feat: capture coauthors and per-item width/height/tagged_users

Two additions to the metadata sidecars, following up on the 2026-09-01
collab/dedup investigation already documented here:

- coauthors added to the post-level JSON's include list -- a direct,
  native signal for collab detection instead of inferring it from the
  filename/directory identity mismatch also documented that day.
- width, height, width_original, height_original and tagged_users get
  their own per-file sidecar (event: "file", one JSON per downloaded
  media item, named "<filename>.json"), since a carousel's items can
  each have different dimensions and tags -- data the existing
  post-level JSON has no way to represent. owner is deliberately left
  out, same reasoning as audio_user's existing exclusion.

Verified against a live re-fetch of an already-archived carousel:
correct per-item data came back, zero media re-downloaded (skip-archive
still applies; only the new sidecars are new files). 3 new tests.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011qAds5qr7nZRq5R4yAuxUk

.gitignore

@@ -9,3 +9,5 @@ coverage/
 !.env.example
 _sample-archives
 _gemini-plans
+__pycache__/
+*.pyc

CLAUDE.md

@@ -15,9 +15,6 @@ InstaArchive Viewer is a React 19 + Vite 6 PWA for browsing archived Instagram d
 - `npm run lint` — type-check only (`tsc --noEmit`)
 - `npm test` / `npm run test:watch` — vitest
 - `npx vitest run src/lib/archive-patterns.test.ts` — a single test file
-- `npm run jd2 -- --archives <dir> --dry-run` — generate JDownloader `.crawljob`
-  files for every profile on disk (see `scripts/jd2-sync.ts` and
-  `docs/jdownloader.md`)
 
 Local development usually needs both `npm run dev` and `npm run server`. Local-folder mode works without the backend; server-mode archives do not.
 
@@ -64,6 +61,18 @@ story highlights - 4utumn07 - Sunstory   -> highlight "Sunstory"
 
 Results are cached to IndexedDB. Media records store a stable `path`; **`url` is not persistable** for local archives because blob URLs die with the document.
 
+Three different JSON shapes turn up as `.json`, so they are told apart structurally, not by filename (`src/lib/gallery-dl-sidecar.ts`):
+
+| shape | marker |
+|---|---|
+| Instagram export manifest | top-level `media` array |
+| Instaloader `.json.xz` | GraphQL node under `node` / `__typename` |
+| gallery-dl sidecar | flat, `post_shortcode` + `type`, none of the above |
+
+The gallery-dl sidecar is the only source that states what a post *is*: its `type` (`post` / `reel` / `story` / `highlight`) is Instagram's own classification, so `post.isReel` set from it beats every fallback in `post-tabs.ts`. This matters — of the 781 items in `official_band - reels`, the sidecars say only **360 are reels**; the other 421 are ordinary feed videos the clips endpoint returns via `include_feed_video`. Directory-based classification counted all 781.
+
+**Dates are ranked, not last-write-wins** (`src/lib/post-dates.ts`): sidecar (what Instagram reported) beats filename (what the fetcher wrote) beats mtime (when the file hit disk, and unrelated to when it was posted). Ties keep the incumbent. Several files describe one post and they are scanned in directory order, not in order of trustworthiness, so without the ranking the date was decided by whichever file came first. Only JDownloader highlights fall to mtime at all — `parseArchiveFilename` flags those via `dateFromMtime`.
+
 ### Cache and local-archive persistence (`src/lib/archive-cache.ts`)
 
 IndexedDB keys are namespaced (`archive:`, `thumb:`, `handle:`) so listing archives does not deserialize every cached thumbnail blob, and thumbnails are scoped per archive to avoid cross-archive collisions.
@@ -74,6 +83,23 @@ Restoring an archive **rehydrates URLs from `path`**: server archives rebuild HT
 
 Images over 1MiB are downscaled in a Web Worker via `OffscreenCanvas`. The queue is **serial on purpose** — decoding several 50MP+ images at once OOMs the tab. `requestThumbnail` must keep a stable identity (it reads cache state through a ref), or every completed thumbnail re-runs the effect in all mounted thumbnails.
 
+### Profile tabs (`src/lib/post-tabs.ts`)
+
+The grid holds **everything**, reels included, and the Reels tab is a *filtered view* of that same set. Only the Reels tab filters. The tabs were mutually exclusive until v1.7.0, which hid a lot: 1100 of `groupfandom`'s 3813 posts and 533 of `for.member`'s 1225 never appeared in the grid at all.
+
+This *approximates* Instagram rather than matching it. Instagram's grid includes a reel only if the creator shared it to feed — a per-post choice, measured live on 2026-08-16: `official_band` had 21 reels in its first 34 grid tiles, `4utumn07` just 1 in 214. That flag appears nowhere in an archive (JD2 stores no metadata, and Instaloader's `product_type` says what a post *is*, not whether it was shared to feed), so showing everything is the closest reachable behaviour. Instagram's "N posts" counter equals its grid, which is why the header counts `postsForTab(allPosts, 'posts')` and not `allPosts` — the raw list still holds both copies of a double-fetched post.
+
+When checking the live site, note that grid reels link to `/reel/<code>/` while ordinary posts link to `/<user>/p/<code>/`. Matching only `/p/` silently drops every reel, which once produced a confident and completely wrong conclusion that Instagram never shows reels in the grid.
+
+Deciding *what is a reel* has no good answer for most archives. Instagram's own marker is `product_type` on the post's GraphQL node (`clips` = reel, `feed` = ordinary feed video, `igtv`, `story`) — `__typename` is `GraphVideo` for all three, and aspect ratio does not separate them either. But:
+
+- Only Instaloader archives carry that metadata, and only newer captures. A survey of `hazelofficial` found `product_type` on 1101 of 5919 sidecars, and just **2** posts marked `clips`.
+- JDownloader archives carry none at all — media plus a `.txt` holding the bare caption.
+
+So the viewer believes a `- reels` sidecar directory when one exists, and otherwise falls back to treating a lone video as a reel. **The fallback is a guess**: it cannot tell a reel from a feed video or an old IGTV upload, and it misses videos inside carousels.
+
+`dedupePostCopies` exists because the JDownloader flow crawls the profile URL and the `/reels/` URL separately (the profile page misses some reels), so the two overlap and a reel can land on disk twice. Those become two posts with distinct directory-scoped ids, which the grid would otherwise render side by side. It dedupes by shortcode, preferring the reels-source copy. It is only safe over `allPosts` — stories and highlights are excluded there, and a shortcode may legitimately appear in both a profile and a highlight.
+
 ### URL state (`src/App.tsx`, `src/lib/routing.ts`)
 
 Paths mirror Instagram: `/<archive>/`, `/<archive>/reels/`, `/<archive>/p/<shortcode>/`. The old `?a=&t=&p=` form is still parsed for existing links but never written. Reserved prefixes (`api`, `archives`, `assets`…) can't be mistaken for a profile name.
@@ -95,11 +121,40 @@ Below `md`, opening a post renders a scrolling feed page rather than the modal (
 Serves `/api/archives`, `/api/archives/:name/files`, static `/archives`, and the built SPA. Notes:
 
 - Express decodes route params **after** segment matching, so `..%2f` reaches the handler as `../`. All user-supplied archive names go through `resolveArchivePath`.
-- Sets CSP and related security headers. The CSP allows `blob:`/`data:` for media and `unsafe-inline` styles (the animation library sets inline styles); scripts stay same-origin only.
 - `os.userInfo()` throws for a UID with no `/etc/passwd` entry, which is what `--user 1234:1234` produces — use `describeUser()`.
 
+### CSP: do not tighten `script-src` or `connect-src` without testing xz
+
+The xz decompressor for Instaloader `.json.xz` sidecars is **WebAssembly**, embedded as a `data:` URL the library fetches at startup. The policy must keep:
+
+```
+script-src  'self' 'wasm-unsafe-eval'     // compile wasm, without allowing eval() of JS
+connect-src 'self' data:                  // fetch the embedded module
+```
+
+Removing either breaks decoding with a bare `TypeError: Failed to fetch` **and no stack** — it surfaces through `new Response(stream).json()`, so it reads like a network fault rather than a policy block. The visible symptom is not an error page: archives silently lose captions, story flags and all profile metadata (follower counts, bio, name). This shipped broken for several releases.
+
+To check quickly, run in the page console:
+
+```js
+await fetch('data:application/wasm;base64,AGFzbQEAAAA=')            // connect-src
+await WebAssembly.instantiate(Uint8Array.of(0,97,115,109,1,0,0,0))  // script-src
+```
+
+**The Vite dev server does not send these headers**, so anything CSP-related is invisible in `npm run dev`. Verify security-header and PWA behaviour by building and serving `dist/` through `server.js`, not against the dev server.
+
+### PWA: server-only changes do not reach installed clients
+
+The service worker precaches `index.html` **together with its response headers**. A change that touches only the server (a CSP fix, a new header) leaves the client build byte-identical, so the precache manifest and `sw.js` are unchanged, the worker never updates, and installed clients keep replaying the old shell with the old headers — indefinitely.
+
+`vite.config.ts` therefore compiles the package version into the client via `define: { __APP_VERSION__ }`, and `App.tsx` renders it in the footer. That is **load-bearing**: it makes every release change the bundle hash → `index.html` → its precache revision → `sw.js`, which is what browsers byte-compare to decide whether to update. Don't remove it as dead weight.
+
+To recover a client stuck on an old shell: unregister the service worker, delete its caches, reload.
+
 ### Deployment
 
+Live archives live in `<share>/Instagram-archive/archives/` — one directory per profile plus sidecars. Directories that are not Instagram profiles (tool output, exports from other services) sit *outside* that folder so they never reach the viewer.
+
 Container runs as non-root. The image defaults to `node`, but the archive share must be *listable* by that UID — a mode-711 share owned by another account needs `user: "<uid>:<gid>"` in compose. Mount a volume at `/cache` so the index survives restarts.
 
 ### PWA / build quirks

TOOLING.md

@@ -0,0 +1,751 @@
+# Tooling branch
+
+> [!CAUTION]
+> ## This branch must not be pushed to GitHub
+>
+> `tooling` is the only branch that still contains the archive-fetching
+> scripts and their docs, and those name things `main` was rewritten to
+> remove:
+>
+> - the fetch host's **public IP** (`docs/gallery-dl.md`)
+> - the browser profile the session cookie is read from
+> - the NAS archive path
+> - the **list of Instagram accounts being archived**
+>
+> On 2026-08-20 `main`'s entire history was rewritten with `git filter-repo`,
+> the GitHub repo was deleted and recreated, and 22 container images were
+> pruned from ghcr — all to get exactly this material out of public view.
+> **One push of this branch to GitHub undoes all of it.**
+>
+> A second cleanup would be harder than the first: after a force-push the old
+> commits stayed reachable by raw SHA, and only deleting the repository
+> outright removed them.
+
+## Quick reference — getting new content onto the site
+
+Timers are **disabled**, so this is manual today. Everything runs on
+`mattellite`; it fetches, publishes to the NAS itself, and the site picks it up
+with no deploy or restart.
+
+```sh
+ssh mattellite
+
+~/gdl/gdl-cron.sh stories     # ~1 min.  DO THIS OFTEN - stories die in 24h
+~/gdl/gdl-cron.sh profiles    # ~5 min.  posts, reels, highlights, stories
+```
+
+`profiles` covers everything, so it is the one to run if you only run one — but
+it is no substitute for `stories`, because a story posted and expired between
+two `profiles` runs is simply gone. Both are safe to run back-to-back; the
+`--min-interval` floor makes a repeat a no-op rather than a re-fetch.
+
+Then check <https://instaarchive.ergosteur.com> — new posts appear without a
+redeploy. The archive index re-reads a directory when its mtime changes.
+
+**Reading the output.** These two look alarming and are fine:
+
+- `rsync error: ... (code 23)` / `done; 1 step(s) failed` — the `chown` to
+  `rslsync` failing because the ssh user is not root. Files landed.
+- `No results` for a profile — it has no active story right now.
+
+**These mean stop**, and are covered in "When a run fails":
+
+- `429` from `scontent-*.cdninstagram.com`
+- `400 Bad Request` on `/api/v1/feed/reels_media/` — the account is behind a
+  scraping-warning interstitial; check the browser before anything else.
+
+Long runs: `setsid nohup ~/gdl/gdl-cron.sh profiles >/dev/null 2>&1 &` and
+`tail -f ~/gdl/logs/$(ls -1t ~/gdl/logs | head -1)`. Nothing reaches the
+archive until a run finishes, so killing one midway is safe.
+
+## Safety net: a global gallery-dl config
+
+`~/.config/gallery-dl/config.json` on `mattellite` exists so that a **plain
+`gallery-dl <url>` typed by hand** — for a quick manual check, outside
+`gdl-sync.py` entirely — still gets the hand-paced caution settings instead of
+gallery-dl's own faster defaults. It is loaded automatically; nothing needs to
+reference it. `gdl-sync.py`'s own `--sleep-request`/`--sleep`/`--rate` flags
+still override it as normal — this is only a floor for when nobody passed any.
+
+```json
+{
+    "extractor": {
+        "instagram": {
+            "api": "rest",
+            "cookies": ["chrome", "/home/matt/.config/google-chrome-devtools"],
+            "sleep-request": [12.0, 20.0],
+            "sleep": [5.0, 10.0],
+            "sleep-429": 120.0,
+            "retries": 8,
+            "videos": true
+        }
+    },
+    "downloader": {
+        "http": {
+            "rate": "500K",
+            "retries": 8
+        }
+    }
+}
+```
+
+Every value here mirrors `gdl-cron.sh`'s own hand-paced defaults (see its
+`SLEEP_REQUEST`/`SLEEP`/`RATE` comments) and `build_config()` in
+`gdl-sync.py` — `api: rest` matters most: the graphql backend issues one
+request PER POST for every video and carousel, the pattern that got this
+account banned once already. `cookies` here is the config-file equivalent of
+`--cookies-from-browser`, so a bare `gallery-dl <url>` is already
+authenticated as the archive account, not anonymous.
+
+Verified with `gallery_dl.config.load()` + `config.get(...)` (zero live
+requests) — every value above loads correctly with no `--config` flag passed.
+
+This file is **not tracked in the repo** — like `artms.db` and the state
+files, it is host-local runtime config, and it embeds the same real
+Chrome-profile path already documented above. Recreate it by hand (or from
+this section) after a fresh `mattellite` setup.
+
+## Remotes
+
+| remote | what goes there |
+|---|---|
+| `origin` → gitea | everything: `main`, `tooling`, tags, backups |
+| `github` | **`main` and the current release tag only** — it exists to run the CI/CD image build |
+
+The other 22 release tags stay on gitea. Pushing them all to GitHub triggers
+one container build per tag, because each tag carries its own workflow file.
+
+## Guards — recreate these after a fresh clone
+
+Neither guard is versioned, so a new clone has **no protection at all**:
+
+```sh
+git config remote.github.push refs/heads/main:refs/heads/main
+
+cat > .git/hooks/pre-push <<'HOOK'
+#!/bin/sh
+remote_url="$2"
+case "$remote_url" in *github.com*) ;; *) exit 0 ;; esac
+while read -r _ _ remote_ref _; do
+  [ -z "$remote_ref" ] && continue
+  case "$remote_ref" in
+    refs/heads/main|refs/tags/*) ;;
+    *) echo "pre-push: refusing to push '$remote_ref' to GitHub." >&2; exit 1 ;;
+  esac
+done
+exit 0
+HOOK
+chmod +x .git/hooks/pre-push
+```
+
+Decide on the **remote** ref, not the local one: a delete push sends
+`(delete)` as the local ref, and an earlier version of this hook rejected
+every deletion because of it.
+
+## What lives here
+
+| path | what it is |
+|---|---|
+| `scripts/gdl-sync.py` | the gallery-dl fetcher; replaced JD2 for the ARTMS profiles |
+| `scripts/gdl-cron.sh` | unattended wrapper: `stories` \| `profiles` \| `full-sweep` |
+| `scripts/systemd/` | the timers actually installed on the fetch host |
+| `scripts/test_gdl_sync.py` | its tests |
+| `scripts/jd2-sync.ts` | JDownloader `.crawljob` generator, still used elsewhere |
+| `docs/gallery-dl.md` | the measurements behind every option in the fetcher — **read before changing pacing** |
+| `docs/jdownloader.md` | the older JD2 flow |
+| `docs/artms-instagram-accounts.txt` | the profile list passed to `--urls-file` |
+
+## Commands
+
+```sh
+# fetch: always --dry-run first; it prints the plan and the publish step
+./scripts/gdl-sync.py --index https://instaarchive.ergosteur.com \
+    --staging <dir> --publish <user>@<nas>:<archives> \
+    --archive-db <db> --urls-file artms_account_links.txt --abort 50 --dry-run
+
+# crawljobs (no npm script — package.json is kept identical to main)
+npx tsx scripts/jd2-sync.ts --archives <dir> --dry-run
+```
+
+Run the fetcher from the host whose public IP matches the browser the cookie
+came from. `--abort 50` is the routine setting; omit it for a full sweep that
+also catches edited carousels.
+
+## Why there is no CLAUDE.md entry for any of this
+
+`CLAUDE.md`, `README.md` and `package.json` are kept **byte-identical** to
+`main` so that merging `main` into `tooling` never conflicts. The earlier
+attempt put tooling notes in `CLAUDE.md` and a `jd2` script in `package.json`;
+because `main` had *deleted* those lines, every merge re-applied the deletion.
+Keep branch-specific documentation in this file, which `main` does not have.
+
+## Running it by hand
+
+Everything happens on **`mattellite`** — the fetch host whose public IP matches
+the browser the cookie came from. Running it anywhere else is what
+session-hijack detection looks for.
+
+```sh
+ssh mattellite
+~/gdl/gdl-cron.sh profiles    # or: stories | full-sweep
+```
+
+That is the whole thing: it wipes staging, fetches, and publishes straight to
+the NAS. To drive `gdl-sync.py` directly instead — always `--dry-run` first,
+which prints the plan and the exact rsync that would touch the archive:
+
+```sh
+cd ~/gdl
+PATH=$HOME/.local/bin:$PATH ./gdl-sync.py \
+    --index    https://instaarchive.ergosteur.com \
+    --staging  ~/gdl/staging-manual \
+    --publish  agentapi@10.20.28.200:/volume1/rslsync/sync/Instagram-archive/archives/ \
+    --archive-db ~/gdl/artms.db \
+    --urls-file  ~/gdl/artms_account_links.txt \
+    --sleep-request 12 20 --sleep 5 10 --rate 500K \
+    --abort 50 --dry-run          # swap for --execute when the plan looks right
+```
+
+**Do not omit the pacing flags.** `gdl-sync.py`'s own defaults are 6-10s / 3-6s
+/ 1M, which is roughly half the caution the wrapper applies. A hand-run that
+leaves them off is *less* careful than the automation — which is backwards, and
+was true of this very example until 2026-08-22. Prefer `gdl-cron.sh`; it
+carries them for you.
+
+`PATH` matters: `gallery-dl` is a pipx install in `~/.local/bin`, which is not
+on cron's PATH and not on a non-login shell's either.
+
+Useful variations:
+
+```sh
+--profile 0ct0ber19 --profile kimxxlip   # instead of --urls-file
+--only stories                            # one surface
+--max-sources 4                           # hard ceiling on what one run touches
+--force                                   # ignore --min-interval AND the probe
+                                          # cache; almost never what you want
+```
+
+### Long runs
+
+A sync runs for minutes to hours at this pacing, so detach it rather than
+holding an ssh session open:
+
+```sh
+cd ~/gdl && setsid nohup ./gdl-cron.sh profiles > /dev/null 2>&1 &
+tail -f ~/gdl/logs/$(ls -1t ~/gdl/logs | head -1)
+```
+
+**Do not kill it with `pkill -f <pattern>` over ssh.** The pattern matches your
+own `ssh` command line, so you kill your own shell and the sync survives — this
+happened twice on 2026-08-22. Use `pkill -x chrome` style exact-name matches,
+or kill the pid: `pgrep -f 'only posts,reels' | tail -1`.
+
+Nothing reaches the archive until the run finishes: `gdl-sync.py` publishes
+once, at the end, so a run killed midway leaves the archive untouched.
+
+### The three modes
+
+Renamed on 2026-08-22. `full` was misleading — it is the abort-*limited* run —
+and `sweep` did not convey that it is the exhaustive one. The wrapper rejects
+the old names with a pointer rather than a bare error.
+
+| mode | cadence | cost | why |
+|---|---|---|---|
+| `stories` | daily | ~6 requests | stories expire in 24h and **cannot be backfilled**; this is the only run that loses content if skipped |
+| `profiles` | monthly | ~40-60 requests | every surface, `--abort 50` — stops enumerating a profile once it reaches content already held. Catches everything **new** |
+| `full-sweep` | rarely, by hand | **~420 requests** | no abort; walks every profile to the end. The only run that notices posts **edited** after we archived them (test case 15) |
+
+The skip-archive means an infrequent `profiles` run costs barely more than a frequent
+one — it only fetches what is new. Frequency buys freshness, not completeness,
+except for stories.
+
+**Pacing is deliberately slower than `gdl-sync.py`'s own defaults.** All three
+modes run at `--sleep-request 12 20 --sleep 5 10 --rate 500K`, against defaults
+of 6-10 / 3-6 / 1M. These are the values the 2026-08-22 runs used by hand after
+the scraping warning, and they produced 0 400s and 0 429s. An archive sync has
+no deadline: being slow is free, being restricted is not. Override with
+`GDL_SLEEP_REQUEST`, `GDL_SLEEP`, `GDL_RATE` — to raise them, not lower them.
+
+`stories` also runs at `--min-interval 8` rather than the 20h default, because
+at 20h the daily timer silently did nothing whenever a manual run had happened
+the previous afternoon. The floor exists to stop an *aborted restart*
+re-enumerating profiles, which is a minutes-to-hours concern; a stories fetch
+is one request per profile, so 8h permits at worst about twelve requests in a
+day instead of six. **A stories run that skips every source now exits 75 and
+prints a warning** rather than reporting success.
+
+## Scheduling — installed on `mattellite`
+
+systemd **user** timers, running as `matt`, with lingering enabled so they fire
+without a login session:
+
+```sh
+loginctl show-user matt --property=Linger      # Linger=yes
+systemctl --user list-timers 'gdl-sync@*'
+```
+
+| unit | schedule | next fire (as installed) |
+|---|---|---|
+| `gdl-sync@stories.timer` | daily 09:00 | 09:36:45 — the delay is the randomisation working |
+| `gdl-sync@profiles.timer` | 3rd of each month, 04:00 | 04:37:44 |
+| `gdl-sync@full-sweep.timer` | 7th of Jan/Apr/Jul/Oct, 04:00 | 04:42:39 |
+
+Unit files are version-controlled in `scripts/systemd/` and installed to
+`~/.config/systemd/user/`. One templated service, `gdl-sync@.service`, takes
+the mode as its instance name and runs `gdl-cron.sh %i`.
+
+Three settings are load-bearing:
+
+- **`RandomizedDelaySec=45m`** — a job firing at exactly 09:00 daily is
+  obviously a machine, and the entire safety model is about not looking like
+  one. This is why the table above shows 09:36 rather than 09:00.
+- **`Persistent=true`** — catch up a run missed because the host was off.
+  cron silently skips, and a skipped `stories` run is content gone for good.
+- **`TimeoutStartSec=infinity`** — a sweep can run for hours at this pacing.
+  The default 90s would kill it mid-fetch.
+
+Operating them:
+
+```sh
+export XDG_RUNTIME_DIR=/run/user/$(id -u)      # needed over non-interactive ssh
+systemctl --user start   gdl-sync@stories.service   # run one now
+systemctl --user status  gdl-sync@profiles.timer
+journalctl --user -u 'gdl-sync@*' -n 50
+systemctl --user disable --now gdl-sync@full-sweep.timer   # stop one
+```
+
+`systemctl --user` fails with "Failed to connect to bus" over ssh unless
+`XDG_RUNTIME_DIR` is set. Note also that **month names are not valid in
+`OnCalendar`'s date field** — `Jan,Apr,Jul,Oct-07` is rejected outright, hence
+`*-01,04,07,10-07`. Check any change with `systemd-analyze calendar '<expr>'`
+before installing it.
+
+### cron, if you ever prefer it
+
+```cron
+17 9  *  *  *        sleep $(shuf -i 0-2700 -n1); $HOME/gdl/gdl-cron.sh stories
+43 4  3  *  *        sleep $(shuf -i 0-2700 -n1); $HOME/gdl/gdl-cron.sh profiles
+11 4  7  1,4,7,10 *  sleep $(shuf -i 0-2700 -n1); $HOME/gdl/gdl-cron.sh full-sweep
+```
+
+cron runs `/bin/sh`, so `$RANDOM` does not exist — hence `shuf`. And `%` in a
+crontab line means newline unless escaped, so avoid it entirely. cron has no
+equivalent of `Persistent=true`.
+
+## Verifying a run
+
+The first unattended run is **2026-08-21, around 09:36** (09:00 plus the
+randomised delay). Nothing below costs an Instagram request — every check is
+against the journal, local logs, or our own viewer's API.
+
+```sh
+# 1. did it run, and did it exit 0?
+ssh mattellite
+export XDG_RUNTIME_DIR=/run/user/$(id -u)
+systemctl --user list-timers 'gdl-sync@*'          # LAST/PASSED columns
+journalctl --user -u 'gdl-sync@stories.service' --since yesterday --no-pager
+
+# 2. what did it actually fetch? (sidecars vastly outnumber media -- count media)
+ls -1t ~/gdl/logs | head -3
+grep -E '^(==>|    FAILED|done;)' ~/gdl/logs/stories-*.log | tail -20
+grep -ic 429 ~/gdl/logs/stories-*.log            # MUST be 0 -- see below
+```
+
+**A `429` from `scontent-*.cdninstagram.com` ends the session, it is not a
+pacing knob to tune.** The warning order last time was CDN 429 → `400` on the
+highlights endpoint → suspension. If a run logs one, disable the timers and
+stop for the day:
+
+```sh
+systemctl --user disable --now gdl-sync@stories.timer gdl-sync@profiles.timer gdl-sync@full-sweep.timer
+```
+
+Then confirm the archive actually grew, from the workstation:
+
+```sh
+# 3. did the publish land? compare against yesterday's counts
+for u in 0ct0ber19 kimxxlip withaseul cher_ryppo zindoriyam official_artms; do
+  n=$(curl -s "https://instaarchive.ergosteur.com/api/archives/$u/files" | python3 -c 'import json,sys; d=json.load(sys.stdin); print(len(d if isinstance(d,list) else d["files"]))')
+  printf '%-18s %s\n' "$u" "$n"
+done
+```
+
+Counts after the 2026-08-22 runs, to diff against:
+
+| profile | files |
+|---|---:|
+| 0ct0ber19 | 3160 |
+| official_artms | 6760 |
+| cher_ryppo | 3056 |
+| kimxxlip | 3021 |
+| zindoriyam | 2256 |
+| withaseul | 1760 |
+
+A stories-only run adds few files and often **none** — profiles frequently have
+no active story. "0 new" is a normal result, not a failure. `fileCount` in
+`/api/archives` is stale by design; use the per-profile `/files` listing.
+
+## 2026-08-21 — scraping warning, automation stopped
+
+**Instagram flagged the account.** Not suspended: an interstitial at
+`/accounts/scraping_warning/` reading *"We suspect automated behaviour on your
+account"*. It was dismissed in the browser and the account is healthy — feed
+loads, still signed in. **All three timers are disabled.** Do not re-enable
+them without deciding the cadence question below.
+
+How it unfolded, because each step misled in a different way:
+
+1. **09:13** the daily timer fired, exited 0 in one second, logged
+   `done; 0 step(s) failed` — and fetched nothing. Yesterday's manual run was
+   18.9–19.2h earlier, just under the `--min-interval 20` floor, so all six
+   sources were skipped. **A silent no-op on the one surface that cannot be
+   backfilled, reported as success.**
+2. **20:28** `chrome-devtools.service` was OOM-killed (5.1 GB peak, ~1w3d CPU).
+   Unrelated to the above, and it does not break fetching — gallery-dl reads
+   the cookie *file*, not a live browser — but it meant no browser was running
+   to notice anything was wrong.
+3. **23:19** a manual recovery run passed the floor (33h) and every source
+   failed with `400 Bad Request` on
+   `/api/v1/feed/reels_media/?reel_ids=…`. Six identical failures across six
+   profiles is not a per-profile fault.
+4. Cookies were **exported and checked before assuming a block**:
+   `sessionid` 77 chars, printable, colon-delimited, 360 days to expiry;
+   `ds_user_id` present. Decryption was fine, so the fault was server-side.
+   This check costs no Instagram requests and should always come first.
+5. The browser then showed the interstitial. The 400s were the challenge
+   state, not a ban.
+
+### What has to change before automation is re-enabled
+
+- **The `--min-interval` floor silently defeats the daily job.** Any manual run
+  in the preceding 20h makes the scheduled one a no-op. The floor exists to
+  stop an *aborted restart* re-enumerating profiles — a minutes-to-hours
+  concern — and a stories fetch is one request per profile. `stories` should
+  use something like `--min-interval 8`, not 20.
+- **A skipped stories run must be loud.** `0 to sync, 6 skipped` currently
+  exits 0 and looks identical to success. On this surface a skip is a real
+  loss, and it should be visible in the journal without reading the log.
+- **Reconsider the daily cadence itself.** A job hitting story endpoints for
+  six profiles every morning is the most machine-like thing here, randomised
+  delay or not, and it is what was flagged. Every-few-days, or on-demand, may
+  be the honest answer even though stories will be missed.
+- **`chrome-devtools.service` has `Restart=no`** and died silently for three
+  hours. It needs `Restart=on-failure` and probably a `MemoryMax=`, or it will
+  be dead the next time the cookie needs refreshing.
+
+### 2026-08-22 — caught up by hand, cleanly
+
+Both surfaces were fetched manually the next day, on the owner's call, at
+**roughly double the configured caution**: `--sleep-request 12 20`,
+`--sleep 5 10`, `--rate 500K`, versus the defaults of 6-10 / 3-6 / 1M.
+
+| run | result |
+|---|---|
+| stories, 6 profiles | 16 media, +21 files, **0 400s, 0 429s** |
+| posts+reels, 12 sources, `--abort 50` | 26 media, +64 files, **0 400s, 0 429s** |
+
+So the 400s really were the challenge state and nothing more: once the
+interstitial was dismissed in the browser, the same endpoints served normally.
+The stories that looked lost — `official_artms`, `0ct0ber19`, `cher_ryppo`,
+`kimxxlip`, `zindoriyam` — were all captured before expiry.
+
+**This does not retire the warning.** Two hand-paced runs a day later are not
+evidence that the previous cadence was safe; they are evidence that the
+account still works. What actually changed the request cost is `--abort 50`:
+twelve sources across six profiles, `official_artms` included at 1829 posts
+and 781 reels, finished in minutes for a few dozen requests where the old
+behaviour would have spent ~400.
+
+Note the gap this leaves: **the scheduled `profiles` mode still uses the default
+6-10s pacing**, not the 12-20s used here. Reconcile that before re-enabling
+the timers, or the automation will be less careful than the hand runs that
+followed a warning.
+
+## When a run fails
+
+Worked through on 2026-08-22. Do these **in order** — the first two cost no
+Instagram requests, and the third costs one page view.
+
+### 1. Read the error, not the exit code
+
+```sh
+L=~/gdl/logs/$(ls -1t ~/gdl/logs | head -1); grep -vE '^(profiles|surfaces|sources|pacing|staging|publish|read )' "$L" | head -40
+```
+
+Two results are **not** failures, despite how they look:
+
+| looks like | actually |
+|---|---|
+| `rsync error: some files/attrs were not transferred (code 23)` and `done; 1 step(s) failed` | the `chown` to `rslsync` failing because the ssh user is not root. Data landed. Confirm by re-running the rsync with `--dry-run`: an empty file list means everything arrived |
+| a source reporting `No results` | that profile simply has no active story / no highlights |
+
+### 2. Check the cookies before concluding you are blocked
+
+Free, and it separates a local fault from a server-side one:
+
+```sh
+PATH=$HOME/.local/bin:$PATH gallery-dl \
+  --cookies-from-browser "chrome:/home/matt/.config/google-chrome-devtools" \
+  --cookies-export /tmp/ck.txt
+grep instagram /tmp/ck.txt | awk '{print $6, length($7)}'   # names + value lengths
+rm -f /tmp/ck.txt
+```
+
+A healthy `sessionid` is ~77 chars, printable ASCII, colon-delimited, and
+unexpired; `ds_user_id` should be an 11-digit number. Garbage or non-printable
+values mean Chrome's cookie decryption failed locally — not that the account is
+in trouble. **Never print the values into a transcript or a bug report.**
+
+### 3. Look at the account in the browser
+
+The session lives in a dedicated Chrome on `mattellite`, on display `:1` with
+CDP on 9222, run by a systemd unit:
+
+```sh
+export XDG_RUNTIME_DIR=/run/user/$(id -u)
+systemctl --user status chrome-devtools.service
+systemctl --user start  chrome-devtools.service    # it has Restart=no
+```
+
+Then VNC to `:1` and open `instagram.com`. What you are looking for:
+
+- **`/accounts/scraping_warning/`** — *"We suspect automated behaviour on your
+  account"*. This is what `400 Bad Request` on `/api/v1/feed/reels_media/`
+  actually means; the session is in a challenge state, not banned. Dismissing
+  it in the browser restores API access immediately, verified 2026-08-22.
+- a checkpoint or login page — the session is gone; re-log in the browser.
+- a normal feed — the fault is elsewhere.
+
+**Do not dismiss a warning and immediately resume.** The dismissal fixes the
+symptom. The behaviour that caused it is the thing to change.
+
+### 4. Stop, if it was a 429 or a repeated 400
+
+```sh
+systemctl --user disable --now gdl-sync@stories.timer gdl-sync@profiles.timer gdl-sync@full-sweep.timer
+```
+
+The documented escalation is CDN 429 → 400 on a stories/highlights endpoint →
+suspension. It has now run twice, and both times the 400 was the last warning
+before something worse.
+
+## Reels: the API is blocked, scrape by scrolling instead
+
+As of 2026-08-26/27, `gallery-dl`'s dedicated reels extractor fails on every
+profile with `HTTP redirect to home page` — confirmed hours apart, with a
+freshly-warmed session and a correct `X-IG-WWW-Claim` header (that was the
+first suspect; ruled out by tracing the raw HTTP exchange). It is not a
+scraping-warning interstitial — the reels tab loads completely normally in a
+real, already-signed-in browser — so this is Meta blocking the specific
+`/api/v1/clips/user/` endpoint gallery-dl calls, not an account-health issue.
+Posts, highlights and stories are unaffected; only reels breaks.
+
+`scripts/reels-scrape.py` works around it by never calling that endpoint:
+it drives the same signed-in Chrome via its loopback CDP port (`:9222`,
+already exposed for MCP automation), scrolls the reels tab like a person
+would, and scrapes `/reel/<code>/` links out of the rendered page. It only
+finds shortcodes — nothing is downloaded until the fetch step — and dedupes
+against the **whole archive**, not just the profile being scraped (see why
+below), so re-running it costs nothing for reels already held anywhere.
+
+### The easy way: `reels-sync.sh`
+
+```sh
+ssh mattellite
+~/gdl/reels-sync.sh zindoriyam
+# or a full URL: ~/gdl/reels-sync.sh https://www.instagram.com/zindoriyam/
+```
+
+Runs both steps (scrape, then fetch + publish whatever's new) with the same
+hand-paced settings `gdl-cron.sh` uses, logs to `~/gdl/logs/reels-<profile>-*`,
+and exits 0 with "no new reels" printed when a profile is already caught up
+— `gdl-sync.py` never even gets invoked in that case. Override pacing the
+same way as `gdl-cron.sh` (`GDL_SLEEP_REQUEST`, `GDL_SLEEP`, `GDL_RATE`), plus
+`GDL_SCROLL_PAUSE` and `GDL_MAX_IDLE_ROUNDS` for the scrape step. Staging
+(`~/gdl/staging-reels-<profile>`) and the scraped URL list
+(`~/gdl/<profile>-reels.txt`) are wiped at the START of the next run, not
+after — left behind for inspection, same as `gdl-cron.sh`'s `staging-*`.
+
+Verified end to end against `zindoriyam` on 2026-08-27: 26 reels found on the
+page, 10 new ones fetched and published cleanly on the first run.
+
+**Not wired into `gdl-cron.sh` or the timers.** Both scripts drive your
+actual browser session rather than firing a background request, and are
+slower by design (real scrolling, not an API call) — both good reasons not
+to run this unattended without deciding that deliberately. Today it is a
+per-profile, by-hand tool only.
+
+### Where a shared reel lands
+
+A reel found on one profile's `/reels/` page is not necessarily *owned* by
+that profile — reposts and collabs between tracked accounts show up there
+too. It always gets filed under its **true owner**, per Instagram's own
+metadata on the post, never under whichever profile's page you happened to
+scrape it from — `gdl-sync.py`'s directory template for a scraped reel is
+`{username}` filled in from that metadata, the same mechanism highlights
+already used for their own directory. So:
+
+- Scrape order doesn't matter. Run `reels-sync.sh` on `0ct0ber19` or
+  `zindoriyam` first, whichever — a reel they share lands in the same place
+  either way, and running it on the other one afterward just sees that
+  shortcode as already archived (dedup checks every profile, not only the
+  one being scraped) and skips it.
+- It never gets duplicated into both accounts' directories, and it never
+  gets misattributed to the profile you scraped instead of who actually
+  posted it.
+
+This is also literally why the whole-archive dedup fix above exists: a
+zindoriyam-scraped shortcode that turned out to belong to `0ct0ber19` was
+filed under `0ct0ber19/`, not `zindoriyam/` — dedup that only checked
+`zindoriyam`'s own directory would never have found it there.
+
+### What it's doing, if you want to run the two steps separately
+
+```sh
+PROFILE=someuser
+
+# 1. Scrape by scrolling; dedupe against the archive; write new URLs to a file.
+#    Needs gallery-dl's own pipx venv python -- that's where websocket-client
+#    (the one extra dependency this needs) got injected.
+~/.local/share/pipx/venvs/gallery-dl/bin/python3 ~/gdl/reels-scrape.py \
+  --profile "$PROFILE" \
+  --index https://instaarchive.ergosteur.com \
+  --out ~/gdl/"$PROFILE"-reels.txt
+
+# 2. Fetch whatever's new -- dry run first, same as any other gdl-sync.py call.
+cd ~/gdl && PATH=$HOME/.local/bin:$PATH ./gdl-sync.py \
+  --publish agentapi@10.20.28.200:/volume1/rslsync/sync/Instagram-archive/archives/ \
+  --staging ~/gdl/staging-reels-scraped \
+  --sleep-request 12 20 --sleep 5 10 --rate 500K \
+  --post-urls-file ~/gdl/"$PROFILE"-reels.txt --dry-run
+# ...then swap --dry-run for --execute once the plan looks right.
+```
+
+Notes:
+
+- `reels-scrape.py` fails fast if Chrome/CDP isn't up
+  (`curl -s http://localhost:9222/json/version` to check first).
+- If it finds nothing new, `gdl-sync.py --post-urls-file` refuses to run
+  ("no usable URLs") rather than doing nothing quietly — expected when a
+  profile is already caught up.
+- `--max-idle-rounds` (default 3) and `--scroll-pause MIN MAX` (default
+  `2.0 3.5`) are worth raising for an unusually large or slow-loading reels
+  tab; the default stops once 3 consecutive scrolls find nothing new.
+
+### Why dedup checks the whole archive, not just the scraped profile
+
+First version deduped only against the scraped profile's own directories.
+Re-running it on `zindoriyam` minutes after a successful fetch found "9 new"
+reels again — all reposts/collabs originally by `0ct0ber19` and
+`official_artms` (also tracked profiles). The *old*, broken direct-reels-tab
+fetch had left orphaned sidecar-only remnants (`.json`/`.txt`, no media) for
+them, misfiled under `zindoriyam - reels/` with the true owner's name baked
+into the filename stem — `index_existing()` correctly does not count a
+sidecar-only entry as "held", so they looked new. `gdl-sync.py` re-fetched
+them, filed them correctly under `{username}` (the post's *true* owner, per
+its own metadata) — where they already existed from that profile's own
+regular sync — and `rsync --ignore-existing` silently skipped every one, so
+nothing was lost or duplicated. But 9 Instagram requests were spent finding
+that out. Since a shortcode is globally unique, `reels-scrape.py` now checks
+every archived profile's listing, not just the one being scraped — all local
+requests to the viewer's own API, never to `instagram.com`, so checking all
+16 profiles costs nothing on the budget that actually matters. Confirmed
+fixed the same day: re-running against `zindoriyam` immediately afterward
+found "26 already archived, 0 new" and exited clean.
+
+## What changed on 2026-08-20
+
+One session, three separate pieces of work. Recorded because the reasons are
+not recoverable from the diffs.
+
+**The sync run.** First incremental fetch in four days: 184 new media, 299
+files published, 0 failures, 0 CDN 429s. 20 story items, which are the part
+that could not have been recovered later. Cost about half what it would have,
+because the archive DB was already seeded and the state file was primed by hand
+so no probe passes ran.
+
+**`--abort 50`.** The skip-archive suppresses *downloads*, which spends the
+CDN; it does nothing about the *listing pass*, which spends `instagram.com` and
+scales with how big a profile is rather than how much is new. Measured from
+sidecar write times mid-run: 3 new posts took ~100s each, the other 2272 were
+written in one second. Enumerating `cher_ryppo` fell from 2151 posts to 7.
+
+**The repo split.** `main` is public and now carries none of the fetching
+tooling, no host details, and no real account names — its entire history was
+rewritten, the GitHub repo deleted and recreated to clear force-push residue,
+and 22 container images pruned from ghcr because the server bundle had been
+shipping source comments naming real accounts. This branch holds everything
+that was removed. See the caution at the top.
+
+**Automation.** mattellite got a key on the NAS, closing the last manual step,
+and three systemd timers now run the sync unattended.
+
+## Outstanding
+
+State as of 2026-08-20, after the sync run and the repo split. Nothing here is
+broken; these are decisions not yet made and cleanups not yet done.
+
+### Fetching
+
+- **The timers are DISABLED** after the 2026-08-21 scraping warning; see that
+  section. Their one unattended firing did the wrong thing — it skipped every
+  source on the 20h floor and reported success — so re-enabling should wait on
+  the four fixes listed there, not just on the account settling.
+- `mattellite`'s `~/.ssh/id_ed25519.pub` is in the NAS's `authorized_keys` for
+  `agentapi` (added 2026-08-20, alongside the workstation's existing key), so
+  the fetch host publishes straight to the archive and no `sshpass` step is
+  needed. **That key is what makes the timers work** — remove it and every
+  scheduled run will fetch successfully and then fail at publish.
+
+- **5.4 GB of stale staging on `mattellite`** (`~/gdl`, 44 GB free): `staging`
+  and `out` at 2.2 GB each from 2026-08-17, `staging-0820` / `out-0820` at
+  446 MB each, plus `staging-full` (78 MB) and `staging-stories` (66 MB) from
+  2026-08-22. All of it was verified published, so all of it is safe to delete.
+  Staging is wiped per-run by `gdl-cron.sh`, but the `out-*` publish targets and
+  anything created by a direct `gdl-sync.py` call are never cleaned up.
+- **Stories currently depend on someone remembering.** The daily timer exists
+  but is disabled, so the one surface that cannot be backfilled has no
+  automation behind it. Every day nobody runs `gdl-cron.sh stories` is a day
+  of stories gone. That is the central unresolved tension: the cadence that
+  protects stories is also the most machine-like pattern here.
+- ~~The scheduled modes have not been reconciled with the pacing used by
+  hand.~~ **Done 2026-08-22**: all modes now pass `--sleep-request 12 20
+  --sleep 5 10 --rate 500K`, `stories` uses `--min-interval 8`, and a
+  fully-skipped stories run exits 75 with a warning instead of looking like a
+  success. The timers are still **disabled** — enabling them is a separate
+  decision about cadence, not about pacing.
+- **`--abort 50` is opt-in.** `gdl-cron.sh profiles` passes it and the manual
+  runs used it; `full-sweep` deliberately does not. It stops noticing **edited
+  carousels** (test case 15), which only a full enumeration finds — which is
+  what `full-sweep` is for. No cadence for it was ever agreed, and at ~420
+  requests it is the riskiest thing on the schedule; prefer running it by hand.
+- **The `seeded` flags in `<db>.state.json` were hand-written**, reconstructed
+  from the 2026-08-17 log rather than derived from the archive DB. They assert
+  "the skip-archive already knows this source". If `artms.db` is ever rebuilt,
+  moved or lost, **clear the state file too** — otherwise those sources will
+  never re-seed and a fetch into empty staging re-downloads everything.
+- **`~/gdl/gdl-sync.py` on the fetch host is a copy, not a checkout.** It
+  currently matches this branch (`96e5694e…`), but nothing keeps them in sync;
+  `scp` it after any change and re-check the hash.
+- The 2026-08-20 run is split across two logs — `artms-run3.log` (12 sources,
+  no abort) and `artms-run4.log` (12 sources, `--abort 50`) — because it was
+  stopped midway to pick up the new flag.
+
+### Repo and infrastructure
+
+- **The `pre-rewrite-*` branches on gitea hold the unredacted history** — real
+  account names, the fetch host's IP, and the tooling, as it was before the
+  rewrite. They are deliberate backups. Decide whether they expire; the
+  `pre-push` hook does cover them (it allows only `main` and tags to GitHub).
+- **The `pre-rewrite-full.bundle` backup is in a session scratchpad** and will
+  be deleted with it. If a durable backup outside gitea is wanted, move it now.
+- **Only one container image exists.** 22 versions were pruned, so rolling back
+  to an older release means checking out its tag from gitea and pushing that
+  tag to GitHub to rebuild it — the old images are gone, not archived.
+- **CI warns that the Node 20 actions are deprecated.** `actions/checkout@v4`,
+  `docker/login-action@v3`, `docker/metadata-action@v5` and
+  `docker/build-push-action@v5` are being forced onto Node 24. They work today;
+  bump when convenient.
+- **`review-fixes`** on gitea is a stale v1.3.0-era branch, never merged,
+  published only because the whole local repo was pushed. Probably deletable.
+- GitHub Actions run history was lost when the repo was recreated. Cosmetic.

docs/artms-instagram-accounts.txt

@@ -0,0 +1,6 @@
+https://www.instagram.com/0ct0ber19/
+https://www.instagram.com/kimxxlip/
+https://www.instagram.com/withaseul/
+https://www.instagram.com/cher_ryppo/
+https://www.instagram.com/zindoriyam/
+https://www.instagram.com/official_artms/

docs/example-api-response-DcLDme7zoyo.json

@@ -0,0 +1,221 @@
+[
+  [
+    2,
+    {
+      "category": "instagram",
+      "coauthors": [
+        {
+          "full_name": "\ucd5c\ub9ac \ucd5c\uc608\ub9bc Choerry",
+          "id": "57668363710",
+          "username": "cher_ryppo"
+        },
+        {
+          "full_name": "\uc9c4\uc194 \ud835\udc09\ud835\udc08\ud835\udc0d\ud835\udc12\ud835\udc0e\ud835\udc14\ud835\udc0b",
+          "id": "55465048543",
+          "username": "zindoriyam"
+        },
+        {
+          "full_name": "Official ARTMS",
+          "id": "58524253183",
+          "username": "official_artms"
+        },
+        {
+          "full_name": "HEEJIN",
+          "id": "57723176039",
+          "username": "0ct0ber19"
+        },
+        {
+          "full_name": "\uae40\ub9bd KIMLIP",
+          "id": "57506288936",
+          "username": "kimxxlip"
+        }
+      ],
+      "count": 1,
+      "date": "2026-08-18 07:18:54",
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docs/example-api-response-DcU3dM-gVgB.json

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+    }
+  ],
+  [
+    3,
+    "ytdl:https://www.instagram.com/p/DcU3dM-gVgB/1.mp4",
+    {
+      "audio_artist": null,
+      "audio_duration": 15.0,
+      "audio_timestamps": null,
+      "audio_title": "Original audio",
+      "audio_user": {
+        "full_name": "\uc2e0\ubaa8\ucc0c \ud835\udde0\ud835\uddfc\ud835\uddf0\ud835\uddf5\ud835\uddf6 \ud83c\udf58",
+        "id": "61396137942",
+        "is_private": false,
+        "is_verified": false,
+        "pk": "61396137942",
+        "pk_id": "61396137942",
+        "profile_pic_id": "3506506412954824214_61396137942",
+        "profile_pic_url": "https://instagram.fyto3-1.fna.fbcdn.net/v/t51.2885-19/468037362_1017459960091671_5806837525855946557_n.jpg?stp=dst-jpg_s150x150_tt6&efg=eyJ2ZW5jb2RlX3RhZyI6InByb2ZpbGVfcGljLmRqYW5nby42MDAuYzIifQ&_nc_ht=instagram.fyto3-1.fna.fbcdn.net&_nc_cat=103&_nc_oc=Q6cZ2gEBkafhMKkLe-YbSz6FVQiMLEw4juIKWvM8PNmZ2nTcMpNyjdl0kV_-fWna0tytdLA&_nc_ohc=sPpx_bESe4cQ7kNvwFvI70J&_nc_gid=RGZW24yVvqRHKLuQvnRkKQ&edm=ALQROFkBAAAA&ccb=7-5&oh=00_AQIS_52Qhu7n6Fo7XNtQaIKXGEhkwhgz-C9vpWo4yb6dnw&oe=6A9D5107&_nc_sid=fc8dfb",
+        "strong_id__": "61396137942",
+        "username": "mochi.053"
+      },
+      "category": "instagram",
+      "coauthors": [
+        {
+          "full_name": "HEEJIN",
+          "id": "57723176039",
+          "username": "0ct0ber19"
+        }
+      ],
+      "count": 2,
+      "date": "2026-08-22 02:48:05",
+      "description": "\u3060\u3044\u3058\u3087\u270c\ufe0f\u3067\u3057\u3087",
+      "display_url": "https://instagram.fyto3-1.fna.fbcdn.net/v/t51.82787-15/783856831_18043412798811255_1724949997749570795_n.jpg?stp=dst-jpg_e15_tt6&_nc_cat=108&ig_cache_key=Mzk2OTA0MTA3MDk3Njc1MTYxNzE4MDQzNDEyNzkyODExMjU1.3-ccb7-5&ccb=7-5&_nc_sid=58cdad&efg=eyJ2ZW5jb2RlX3RhZyI6IkNMSVBTLnhwaWRzLjcyMC5zZHIudmlkZW9fZGVmYXVsdF9jb3Zlcl9mcmFtZS5DMyJ9&_nc_ohc=JWzEND3gUxAQ7kNvwGDGCLf&_nc_oc=AdpwpFkh8Wj84hyF4zWcsaNB5zUnYJh2bJijNe9AxrOR1WKa08Uy35khb5BpFnG9XhM&_nc_ad=z-m&_nc_cid=0&_nc_zt=23&_nc_ht=instagram.fyto3-1.fna&_nc_gid=RGZW24yVvqRHKLuQvnRkKQ&_nc_ss=7a22e&oh=00_AQLQlu6EItD2G6QrlOmQSas2IHDOpucLIhxVWcCPFE1BOw&oe=6A9D4B4F",
+      "extension": "mp4",
+      "filename": "AQN8nhc_L3hdDSQVVRF2OXm2gKwDpsdh_jw81ZnA9Uh4nqOwukKke8QXrGCe1jrMtOXzPT5Bkuipu8RShT651VV7q6EVbjvxC-fxgUE",
+      "fullname": "\uce04",
+      "height": 1920,
+      "height_original": 1920,
+      "liked": true,
+      "likes": 178797,
+      "media_id": "3969041070976751617",
+      "num": 1,
+      "owner": {
+        "account_badges": [],
+        "account_type": 3,
+        "can_see_quiet_post_attribution": true,
+        "eligible_for_text_app_activation_badge": false,
+        "fan_club_info": {
+          "autosave_to_exclusive_highlight": null,
+          "connected_member_count": null,
+          "fan_club_id": null,
+          "fan_club_name": null,
+          "fan_consideration_page_revamp_eligiblity": null,
+          "has_created_ssc": null,
+          "has_enough_subscribers_for_ssc": null,
+          "is_fan_club_gifting_eligible": null,
+          "is_fan_club_referral_eligible": null,
+          "is_free_trial_eligible": null,
+          "largest_public_bc_id": null,
+          "should_show_playlists_in_profile_tab": null,
+          "subscriber_count": null
+        },
+        "fbid_v2": "17841454337627671",
+        "feed_post_reshare_disabled": false,
+        "friendship_status": {
+          "followed_by": false,
+          "following": true,
+          "is_bestie": false,
+          "is_feed_favorite": false,
+          "is_muting_reel": false,
+          "is_private": false,
+          "is_restricted": false
+        },
+        "full_name": "\uce04",
+        "has_anonymous_profile_picture": false,
+        "hd_profile_pic_url_info": {
+          "height": 1080,
+          "url": "https://instagram.fyto3-1.fna.fbcdn.net/v/t51.82787-19/714930835_18032224961811255_6816644959905468206_n.jpg?efg=eyJ2ZW5jb2RlX3RhZyI6InByb2ZpbGVfcGljLmRqYW5nby4xMDgwLmMyIn0&_nc_ht=instagram.fyto3-1.fna.fbcdn.net&_nc_cat=1&_nc_oc=Q6cZ2gEBkafhMKkLe-YbSz6FVQiMLEw4juIKWvM8PNmZ2nTcMpNyjdl0kV_-fWna0tytdLA&_nc_ohc=hpoiFipmAqsQ7kNvwE3y5Ow&_nc_gid=RGZW24yVvqRHKLuQvnRkKQ&edm=ALQROFkBAAAA&ccb=7-5&oh=00_AQJiPho8ymPf1bC2B5dAlKCbdXW8d4KK-9qqsVrcOytVGQ&oe=6A9D4CB4&_nc_sid=fc8dfb",
+          "width": 1080
+        },
+        "hd_profile_pic_versions": [
+          {
+            "height": 320,
+            "url": "https://instagram.fyto3-1.fna.fbcdn.net/v/t51.82787-19/714930835_18032224961811255_6816644959905468206_n.jpg?stp=dst-jpg_s320x320_tt6&efg=eyJ2ZW5jb2RlX3RhZyI6InByb2ZpbGVfcGljLmRqYW5nby4xMDgwLmMyIn0&_nc_ht=instagram.fyto3-1.fna.fbcdn.net&_nc_cat=1&_nc_oc=Q6cZ2gEBkafhMKkLe-YbSz6FVQiMLEw4juIKWvM8PNmZ2nTcMpNyjdl0kV_-fWna0tytdLA&_nc_ohc=hpoiFipmAqsQ7kNvwE3y5Ow&_nc_gid=RGZW24yVvqRHKLuQvnRkKQ&edm=ALQROFkBAAAA&ccb=7-5&oh=00_AQIn43F6SprbhopBuJxmswE2wd4C39mDZoL9Fbqs8Ih-cw&oe=6A9D4CB4&_nc_sid=fc8dfb",
+            "width": 320
+          },
+          {
+            "height": 640,
+            "url": "https://instagram.fyto3-1.fna.fbcdn.net/v/t51.82787-19/714930835_18032224961811255_6816644959905468206_n.jpg?stp=dst-jpg_s640x640_tt6&efg=eyJ2ZW5jb2RlX3RhZyI6InByb2ZpbGVfcGljLmRqYW5nby4xMDgwLmMyIn0&_nc_ht=instagram.fyto3-1.fna.fbcdn.net&_nc_cat=1&_nc_oc=Q6cZ2gEBkafhMKkLe-YbSz6FVQiMLEw4juIKWvM8PNmZ2nTcMpNyjdl0kV_-fWna0tytdLA&_nc_ohc=hpoiFipmAqsQ7kNvwE3y5Ow&_nc_gid=RGZW24yVvqRHKLuQvnRkKQ&edm=ALQROFkBAAAA&ccb=7-5&oh=00_AQJF1vYqhGCDkV-v6WbrTb_PoVC4GA3QCbEGJU0y0F96BA&oe=6A9D4CB4&_nc_sid=fc8dfb",
+            "width": 640
+          }
+        ],
+        "id": "54301371254",
+        "is_active_on_text_post_app": false,
+        "is_embeds_disabled": false,
+        "is_favorite": false,
+        "is_private": false,
+        "is_ring_creator": false,
+        "is_unpublished": false,
+        "is_verified": true,
+        "latest_reel_media": 0,
+        "pk": "54301371254",
+        "pk_id": "54301371254",
+        "profile_pic_id": "3912796961274695044_54301371254",
+        "profile_pic_url": "https://instagram.fyto3-1.fna.fbcdn.net/v/t51.82787-19/714930835_18032224961811255_6816644959905468206_n.jpg?stp=dst-jpg_s150x150_tt6&efg=eyJ2ZW5jb2RlX3RhZyI6InByb2ZpbGVfcGljLmRqYW5nby4xMDgwLmMyIn0&_nc_ht=instagram.fyto3-1.fna.fbcdn.net&_nc_cat=1&_nc_oc=Q6cZ2gEBkafhMKkLe-YbSz6FVQiMLEw4juIKWvM8PNmZ2nTcMpNyjdl0kV_-fWna0tytdLA&_nc_ohc=hpoiFipmAqsQ7kNvwE3y5Ow&_nc_gid=RGZW24yVvqRHKLuQvnRkKQ&edm=ALQROFkBAAAA&ccb=7-5&oh=00_AQJu85hrHiCGK3enXnfDQExy_ZbgzCV_AGYJ4yOy7mi_QQ&oe=6A9D4CB4&_nc_sid=fc8dfb",
+        "show_account_transparency_details": true,
+        "show_ring_award": false,
+        "strong_id__": "54301371254",
+        "text_post_app_is_private": true,
+        "third_party_downloads_enabled": 1,
+        "transparency_product_enabled": false,
+        "user_activation_info": {},
+        "username": "chuuo3o"
+      },
+      "owner_id": "54301371254",
+      "pinned": [],
+      "post_date": "2026-08-22 02:48:05",
+      "post_id": "3969041070976751617",
+      "post_shortcode": "DcU3dM-gVgB",
+      "post_url": "https://www.instagram.com/p/DcU3dM-gVgB/",
+      "shortcode": "DcU3dM-gVgB",
+      "subcategory": "post",
+      "tagged_users": [
+        {
+          "full_name": "HEEJIN",
+          "id": "57723176039",
+          "username": "0ct0ber19"
+        }
+      ],
+      "type": "post",
+      "username": "chuuo3o",
+      "video_url": "https://instagram.fyto3-1.fna.fbcdn.net/o1/v/t2/f2/m86/AQN8nhc_L3hdDSQVVRF2OXm2gKwDpsdh_jw81ZnA9Uh4nqOwukKke8QXrGCe1jrMtOXzPT5Bkuipu8RShT651VV7q6EVbjvxC-fxgUE.mp4?_nc_cat=102&_nc_oc=AdqR865Bo8jW90mx5U9WR94Q0Eh1YI3ycT_ZhhW71XQNFHxUR3aBwhQEgcQ9Z2Hnrzs&_nc_sid=5e9851&_nc_ht=instagram.fyto3-1.fna.fbcdn.net&_nc_ohc=2F0lG8gquXwQ7kNvwGIIkUT&efg=eyJ2ZW5jb2RlX3RhZyI6Inhwdl9wcm9ncmVzc2l2ZS5JTlNUQUdSQU0uQ0xJUFMuQzMuNzIwLmRhc2hfYmFzZWxpbmVfMV92MSIsInhwdl9hc3NldF9pZCI6MTYxMDAzNjE0Mzk3NzkxMywiYXNzZXRfYWdlX2RheXMiOjExLCJ2aV91c2VjYXNlX2lkIjoxMDA5OSwiZHVyYXRpb25fcyI6MTUsInVybGdlbl9zb3VyY2UiOiJ3d3cifQ%3D%3D&ccb=17-1&vs=93986893873e15f7&_nc_vs=HBksFQIYUmlnX3hwdl9yZWVsc19wZXJtYW5lbnRfc3JfcHJvZC80ODQ5NDdDRjM0NzcyNkI2RkE4RDZDRkFGQjQzQTlCQl92aWRlb19kYXNoaW5pdC5tcDQVAALIARIAFQIYUWlnX3hwdl9wbGFjZW1lbnRfcGVybWFuZW50X3YyLzkwNDc3OEIwRTY2MDYxNEY5RjA4MUMxQzNDMDVBMkFDX2F1ZGlvX2Rhc2hpbml0Lm1wNBUCAsgBEgAoABgAGwKIB3VzZV9vaWwBMRJwcm9ncmVzc2l2ZV9yZWNpcGUBMRUAACby1v-GuJTcBRUCKAJDMywXQC6qfvnbItEYEmRhc2hfYmFzZWxpbmVfMV92MREAdf4HZeadAQA&_nc_gid=RGZW24yVvqRHKLuQvnRkKQ&_nc_zt=28&_nc_ss=7a22e&oh=00_AQIrUM_ZU8b3LTxlgefSs0x6vjvCX9BV4piQfWrs74dXIg&oe=6A99835F",
+      "width": 1080,
+      "width_original": 1080
+    }
+  ]
+]

docs/gallery-dl.md

@@ -0,0 +1,699 @@
+# gallery-dl — a CLI replacement for JDownloader2
+
+Status: **in production.** All six ARTMS profiles are synced with
+`scripts/gdl-sync.py`; JD2 is no longer used for them.
+
+Everything below was measured against the live site and the real archive on
+2026-08-16 and 2026-08-20, not inferred from documentation.
+
+## Why gallery-dl and not a hand-rolled script
+
+The hard parts of fetching Instagram are pagination, cookie handling, CDN URL
+expiry and resumption. gallery-dl already has all of them, plus extractors that
+map 1:1 onto our sidecar directory layout (`posts`, `reels`, `stories`,
+`highlights`). Rolling our own would mean reimplementing the ban-sensitive part
+by hand.
+
+## The account was suspended on 2026-08-17 — read this first
+
+The account used for all of the below was suspended the same day this tooling
+was built, for "activity that doesn't follow our Community Standards on spam".
+The fetching was not the expensive part. **Verification was.**
+
+**It was restored, and synced normally again on 2026-08-20** — a full run
+across all six profiles with 0 failures and 0 CDN 429s. That is not evidence
+the limits were imagined; it is one data point on a restored account that has
+been treated carefully since. Everything below still applies, and the budget is
+still per session rather than per command.
+
+What was actually spent against `instagram.com` in a few hours, from one
+session and one IP:
+
+| activity | rough requests | downloaded |
+|---|---:|---|
+| enumerating a profile grid by scrolling it in an automated browser | ~18 pages | nothing |
+| the same profile again, after a bug in the scraping selector | ~18 pages | nothing |
+| a Reels tab enumerated the same way | ~9 pages | nothing |
+| full `-j` metadata dumps of one profile, twice | ~16 pages | nothing |
+| `--simulate` runs over the same profile, three times | ~24 pages | nothing |
+| single-post `/p/<code>/` fetches while testing filename formats | ~8 | a handful |
+| an aborted sync that re-ran every listing pass before dying | ~40 pages | ~270 MB |
+| the real sync, 24 sources across 6 profiles | ~150 pages | 2.2 GB |
+
+The two rows that actually mattered to the archive are the last one and part of
+the second-to-last. **Everything above them produced no files at all**, and
+together they were a comparable number of requests.
+
+The warnings arrived in this order and were each rationalised:
+
+1. `429 Too Many Requests` from `scontent-*.cdninstagram.com`, losing two
+   videos. Treated as a pacing problem — pacing was lowered and the run
+   continued.
+2. `400 Bad Request` from `/api/v1/highlights/<id>/highlights_tray/`, on an
+   endpoint that had worked hours earlier. Correctly read as a possible block;
+   requests stopped.
+3. Suspension.
+
+**Treat the first CDN 429 as a stop signal for the session, not a tuning
+parameter.** It is the tolerant surface complaining; if that surface is
+complaining, the rate-limited one has been unhappy for a while.
+
+### Rules that follow from this
+
+- **Count verification requests against the same budget as fetching.** A
+  `--simulate`, a `-j` dump and a browser scroll all hit `instagram.com` and
+  download nothing. Being read-only does not make them free; it makes them
+  invisible, which is worse.
+- **Never enumerate the live site with an automated browser.** Scrolling a
+  214-post grid is ~18 paginated GraphQL loads at machine speed with no dwell
+  time between them. It is the most obviously non-human thing in this whole
+  document, and it was done here twice on one profile.
+- **Verify against the archive, not against Instagram.** Every naming, dating
+  and classification question answered in this file could have been answered
+  from files already on disk plus a single listing pass.
+- **`probe_live` is not cached, so every restart re-enumerates everything.**
+  The aborted run cost a full duplicate set of listing passes for five
+  profiles. Cache probe output to disk before running anything twice.
+- **Budget per session, not per command.** Nothing in the tooling knows what
+  the last command spent.
+
+### For a replacement account
+
+- Let it exist and be used normally for a while before pointing any tool at it.
+- Keep the cookie on one machine and one public IP, as before.
+- Start with a single small profile and stop for the day afterwards.
+- Prefer Instagram's own "Download a copy" export where possible: it is
+  first-party, costs no scraping requests, and carries the metadata this whole
+  document works around not having.
+
+## The safety model — read this before changing any option
+
+The ban vector is **requests to `instagram.com`**, not bandwidth. See
+`docs/jdownloader.md` for the history; Instaloader got this account banned by
+asking `instagram.com` a question *per post*.
+
+gallery-dl has two API backends and the difference is exactly that vector:
+
+```python
+if self.config("api") == "graphql":
+    self.api = InstagramGraphqlAPI(self)   # per-post api.media() for every
+else:                                      # video and every carousel
+    self.api = InstagramRestAPI(self)      # <- default, listing-only
+```
+
+The REST backend paginates at `count: 30` (feed) / `page_size: 50` (clips), and
+those responses already carry `carousel_media`, `image_versions2`,
+`video_versions` and `product_type`. **No per-post request.** A 300-post
+profile costs roughly 10 requests to `instagram.com`.
+
+Rules, in order of importance:
+
+1. **`"api": "rest"` always.** Never `graphql`. This is the whole ballgame.
+2. **Never enable `metadata`-style options that trigger extra calls.** If a
+   field is not already in the listing response, it is not worth a request.
+3. **Pace it.** `"sleep-request": [4.0, 7.0]` — a randomised gap, not a fixed
+   one. Also `"sleep": [1.0, 3.0]` between downloads.
+4. **Cap the download rate** (`downloader.http.rate`) so the CDN side looks like
+   a person, not a mirror.
+5. **Run from the same public IP as the browser the cookie came from.** At time
+   of writing that is `mattellite` (`66.23.52.196`); the dev workstation is a
+   *different* public IP and using the cookie from there is precisely what
+   session-hijack detection looks for.
+6. **No programmatic login, ever.** gallery-dl's username/password path is
+   disabled upstream anyway; use `--cookies-from-browser`.
+
+Do not add proxy rotation, fingerprint spoofing or account rotation. Throttling
+and request-avoidance are welcome; evasion is not.
+
+### Cookies
+
+The logged-in Chrome on `mattellite` runs with a non-default profile:
+
+```
+--user-data-dir=/home/matt/.config/google-chrome-devtools
+```
+
+so the cookie flag is:
+
+```
+--cookies-from-browser "chrome:/home/matt/.config/google-chrome-devtools"
+```
+
+Plain `--cookies-from-browser chrome` fails with "Unable to find chrome cookies
+database" because it looks in `~/.config/google-chrome/`.
+
+Anonymous access is **not** a viable fallback: it serves lower-resolution media,
+caps profile pagination at 12 posts, and returns `AuthRequired` for stories and
+highlights.
+
+## Output format
+
+The viewer's parser is the contract, not JD2's exact bytes. `EXPORT_RE` in
+`src/lib/archive-patterns.ts` accepts all of these, and normalises the index
+with `parseInt`, so **JD2 and gallery-dl naming interoperate**:
+
+```
+"… - CrORBIcJJbM.mp4"      -> postId=CrORBIcJJbM  index=1
+"… - CrORBIcJJbM - 1.mp4"  -> postId=CrORBIcJJbM  index=1
+"… - C53YPQzp7Wj - 09.jpg" -> postId=C53YPQzp7Wj  index=9
+```
+
+That means zero-padding and the presence/absence of ` - N` on single-media posts
+are cosmetic. Don't spend effort forcing them.
+
+### Directory layout
+
+| kind | directory | note |
+|---|---|---|
+| posts | `<user>` | |
+| reels | `<user> - reels` | |
+| stories | `story - <user>` | |
+| highlights | `story highlights - <user> - <title>` | |
+
+**Force the directory with `-D`; never use `{username}` for it.** A profile's
+reels tab returns *collab reels owned by other accounts* — `/0ct0ber19/reels/`
+served 6 reels owned by `official_artms` and 1 by `chuuo3o`. With
+`{username}` those would scatter into `official_artms - reels/`. JD2 got this
+right and the archive proves it: `chuuo3o` and `official_artms` filenames sit
+inside `0ct0ber19 - reels/`.
+
+So: **owner in the filename, crawl scope in the directory.**
+
+### Filenames
+
+```jsonc
+"filename": {
+  "sidecar_shortcode and count >= 10":
+      "{date:Olocal/%Y-%m-%d}_{username} - {post_shortcode} - {num:02}.{extension}",
+  "sidecar_shortcode":
+      "{date:Olocal/%Y-%m-%d}_{username} - {post_shortcode} - {num}.{extension}",
+  "":
+      "{date:Olocal/%Y-%m-%d}_{username} - {post_shortcode}.{extension}"
+}
+```
+
+`sidecar_shortcode` is set only when the post is a carousel, so it is the
+carousel discriminator. Conditions are evaluated in order, first match wins
+(`path.py:265`).
+
+Stories and highlights use the per-item `{shortcode}`, not `{post_shortcode}`
+(which is the *reel's* id, shared by every item in it):
+
+```
+"{date:Olocal/%Y-%m-%d}_{username} - {shortcode}.{extension}"
+```
+
+`{date}` on a story/highlight file is the **per-item** `taken_at`
+(`instagram.py:337` prefers `item["taken_at"]`), verified on a 154-item
+highlight whose items carried distinct times while `post_date` stayed pinned to
+the reel. Highlights therefore gain real dates — today they fall back to
+directory mtime.
+
+### The timezone is not UTC
+
+JD2 stamped filenames in **desktop local time (US Eastern)**. Measured across
+212 comparable posts:
+
+| model | mismatches |
+|---|---:|
+| UTC | 19 |
+| UTC−5 (EST) | 10 |
+| UTC−4 (EDT) | **0** |
+| America/New_York (DST-aware) | **0** |
+
+`{date:Olocal/%Y-%m-%d}` uses the machine's local zone with per-timestamp DST
+awareness, which reproduces it — `mattellite` is `America/Toronto`, the same
+offsets. Note the **trailing `/` must be omitted**: `Olocal/%Y-%m-%d/` puts the
+separator into the strftime format and it sanitises to an underscore, giving
+`2026-08-15__0ct0ber19`.
+
+If the sync ever moves to a host in another timezone, set an explicit
+`{date:O-4/…}` or the dates will silently shift for ~9% of posts.
+
+### Caption sidecars
+
+JD2 writes one `.txt` per post, named without the index, containing the caption
+with **no trailing newline**, and writes nothing when the caption is empty
+(measured: 197 of 217 posts, 86 of 86 reels, 0 of 10 stories, 0 of 16
+highlights). gallery-dl reproduces this exactly with the default
+`"empty": false`:
+
+```jsonc
+{ "name": "metadata", "event": "post", "mode": "custom",
+  "content-format": "{description}", "extension": "txt",
+  "filename": "{date:Olocal/%Y-%m-%d}_{username} - {post_shortcode}.txt" }
+```
+
+`"event": "post"` is what makes it one file per post rather than per media file.
+
+### Metadata sidecar (new — JD2 had no equivalent)
+
+```jsonc
+{ "name": "metadata", "event": "post", "mode": "json",
+  "filename": "{date:Olocal/%Y-%m-%d}_{username} - {post_shortcode}.json",
+  "include": ["post_shortcode","post_id","type","date","post_date","username",
+              "fullname","owner_id","description","count","likes","post_url",
+              "sidecar_shortcode"] }
+```
+
+Use **`include`**, not `fields` — `fields` is for `mode: custom` and silently
+does nothing here, leaving `audio_user` blobs (including another user's profile
+picture URL) in the output.
+
+The payoff is `type`, which is Instagram's own classification:
+
+```json
+{ "post_shortcode": "DbdG9L9jU4m", "type": "post",  "count": 2 }   // feed video
+{ "post_shortcode": "Db-lNCoib9m", "type": "reel",  "count": 1 }   // real reel
+```
+
+This is the `product_type: "clips"` signal, delivered free in the listing
+response. It is the authoritative answer to "is this a reel", and would let the
+viewer retire the lone-video heuristic in `src/lib/post-tabs.ts` — see
+"Scanner work" below.
+
+**`type` is only populated by listing extractors.** Extracting a single
+`/p/<shortcode>/` URL leaves it `null`. Sync always uses listing URLs, so this
+only matters when testing by hand.
+
+### Collab posts: the JSON and the media disagree about whose post it is
+
+Verified directly against two saved raw API responses (`docs/example-api-
+response-DcU3dM-gVgB.json`, a 2-way collab, and `docs/example-api-response-
+DcLDme7zoyo.json`, a 5-way collab owned by an external account), 2026-09-01.
+
+For an Instagram Collab, `username`/`fullname`/`owner_id` in the listing
+response are always the **original poster's**, never the scraped account's —
+even when the scraped account is one of the collaborators, not the owner. The
+metadata `.json` sidecar (built from `include`, above) is filed under that
+same original-poster identity, since its filename template uses
+`{username}`. But the **media file** for that same post is written into
+whichever profile's own crawl directory triggered the download, and its
+filename's `{username}` slot took the *scraped* account's name, not the true
+owner's. Net effect: one physical post produces a JSON named for the real
+owner and a media file (or files, for a carousel) named for whoever we were
+crawling — two different identities for one post, in the same directory.
+
+Downstream (`cosmo_normalize_instagram.py` in `Cosmo-Live-Downloads`) had to
+stop matching media to its JSON by username and match on shortcode/`{num}`
+only, and separately built a cross-profile `collab_with` pass so every
+participant's page shows the post, not just the one whose directory JD2/
+gallery-dl happened to land the JSON in. See that repo's `NOTES.md`,
+2026-09-01 entries, for the full fix.
+
+**`coauthors` is a native, richer signal for this, and is now captured.**
+The raw API response carries a `coauthors` array (`{"full_name", "id",
+"username"}` per collaborator) that **excludes the post's own owner** —
+confirmed on both saved examples, including one where the owner
+(`dailyfashion_news`) is an external account with no ARTMS members in her
+own name, present only via `coauthors`. Added to the post-level metadata
+JSON's `include` list on 2026-09-01: a direct field instead of inferring a
+collab from filename/directory identity mismatches, and it never needs the
+"is this the owner" branch `coauthors` already excludes for us.
+
+**Per-carousel-item fields got their own sidecar, added the same day.**
+`width`, `height`, `width_original`, `height_original` and `tagged_users`
+live on the per-FILE kwdict, not the per-post one the metadata JSON above
+reads — a carousel's items can each have different dimensions and tags,
+which one post-level JSON can't represent. `gdl-sync.py`'s `media_pp` is a
+second `metadata` postprocessor, `event: "file"` (gallery-dl's default when
+omitted), so it runs once per downloaded file and writes `<filename>.json`
+alongside it — e.g. `... - 01.jpg.json` next to `... - 01.jpg`, never
+colliding with the post-level `....json`, which has no per-item number.
+`owner` — a full user object (profile pic URLs, privacy flags) for whoever
+posted that specific item — is deliberately left out, the same reasoning as
+`audio_user` above. Verified against the same two saved examples: correct
+per-item `width`/`height` and `tagged_users` came back on a live re-fetch of
+an already-archived carousel, with zero media re-downloaded (the existing
+skip-archive still applies; only the new sidecars are new files).
+
+### The shared archive-db dedups media across profiles too, not just within one
+
+The skip-archive DB (see "Incremental sync" above) keys purely on
+`instagram_<media_id>`, with no per-profile scoping. When the *same* media_id
+is reachable from more than one profile's listing — a Collab post, or a
+repost — whichever profile's crawl reaches it **first** downloads the file;
+every other profile that later lists the same media_id sees it as
+already-in-the-archive-db and skips the download, even though that file has
+never actually landed in *that profile's own* directory tree. The metadata
+`.json`/`.txt` sidecars are written regardless (they aren't gated by the
+download-archive), so the symptom is a JSON with zero matching media files
+in its own directory — 510 such posts were found across the real archive on
+2026-09-01, entirely from this mechanism, not from anything actually missing
+from Instagram.
+
+This isn't fixable on the gallery-dl side without per-profile archive DBs
+(which would defeat the point of skip-archive — re-downloading anything a
+sibling profile already fetched). The fix lives downstream instead: `cosmo_
+normalize_instagram.py` builds one archive-wide `shortcode → path` index once
+and falls back to it when a post's own directory has no matching media. Worth
+knowing before assuming a JSON-with-no-media post reflects a real scrape gap.
+
+## Cadence, and the budget that enforces it
+
+**Monthly for everything, daily for stories only.** Stories expire in 24h and
+cannot be backfilled, so they are the one surface where missing a day means
+losing the content permanently. Everything else can wait — the skip-archive
+means an infrequent full sync costs barely more than a frequent one, because it
+only fetches what is new.
+
+```
+# monthly, everything
+gdl-sync.py --index <viewer-url> --staging ~/gdl/staging \
+    --publish <user>@<nas>:<archives> --archive-db ~/gdl/artms.db \
+    --urls-file artms_account_links.txt --execute
+
+# daily, stories only -- one request per profile
+gdl-sync.py ... --only stories --execute
+```
+
+A stories-only run is one source per profile and **never seeds**, because a
+story cannot be in the archive before it is fetched; probing would double the
+cost of the cheapest surface for no benefit. Six profiles is a handful of
+requests.
+
+When scheduling it, **randomise the minute and avoid the hour boundary**. A job
+that fires at exactly 09:00 every day is a machine; one that fires somewhere in
+a window looks like someone opening the app.
+
+The tool now refuses to repeat itself:
+
+| flag | default | what it prevents |
+|---|---|---|
+| `--min-interval` | 20h | re-fetching a source touched recently — the aborted-restart case that re-enumerated five profiles |
+| `--probe-ttl` | 24h | paying for a listing pass twice within a run cycle |
+| `--max-sources` | off | a runaway list touching more than intended |
+| `--force` | off | (escape hatch: ignores both guards) |
+
+State lives beside the archive DB as `<db>.state.json`, recording per source
+when it was seeded and last fetched. **Seeding is a one-time bootstrap**: after
+the first successful sync the archive DB records everything gallery-dl has
+seen, so the source is never probed again. That is the single biggest saving
+here — a second full sync costs roughly half what the first did.
+
+## Incremental sync — why the fetch host needs no copy of the archive
+
+gallery-dl can skip already-held media two ways, and the difference decides
+whether the fetcher needs the archive mounted:
+
+- **By file existence** (default). Needs the destination to already contain the
+  files, so it only works if the archive is mounted where gallery-dl writes.
+- **By skip-archive** (`--download-archive`). A sqlite DB of ids. Needs nothing
+  on disk.
+
+We use the second, so the fetch host can write to **local disk and rsync
+afterwards**. That avoids writing tens of thousands of small files over CIFS,
+and keeps a mid-sync failure from leaving partial files on the live Resilio
+share.
+
+The key is `archive_prefix + archive_fmt`, which for this extractor is the
+literal `instagram` plus the per-media numeric pk (`instagram.py:25`,
+`job.py:713-719`). Verified: a 3-image carousel produced
+
+```
+instagram3079387627521318672
+instagram3079387627521429433
+instagram3079387627529716672
+```
+
+and a second run skipped every media file, rewriting only the idempotent
+`.txt`/`.json` sidecars.
+
+**Seeding.** `media_id` is not in our filenames, so the DB cannot be built from
+names alone — but one listing pass (the pass we make anyway) maps every live
+item to its `media_id`, and the archive's *file listing* says which we already
+hold. No extra Instagram requests, and no archive content — a listing is
+enough, which `GET /api/archives/:name/files` already serves.
+
+Measured on `0ct0ber19`: 2275 live media items, 2248 seeded from the existing
+listing, **27 left to download** — precisely the media of the two posts added
+since the last crawl.
+
+The one trap, which silently seeds almost nothing if you get it backwards:
+
+| surface | filed under | why |
+|---|---|---|
+| posts, reels | `post_shortcode` | carousel children each have their own `shortcode`, which never appears in a filename |
+| stories, highlights | `shortcode` (per item) | `post_shortcode` is the containing reel's id, shared by every item |
+
+`live_key()` encodes this. Matching on the wrong field seeded 5 of 2275.
+
+### The skip-archive saves the CDN, not `instagram.com`
+
+Worth being exact about, because the two costs land on different surfaces and
+only one of them bans accounts:
+
+| what | which surface | scales with |
+|---|---|---|
+| downloading media | `scontent-*.cdninstagram.com` | how much is **new** |
+| enumerating the profile to find it | `instagram.com` | how **big** the profile is |
+
+The skip-archive suppresses the first. It does nothing about the second, so a
+2275-post profile costs ~76 pages of pagination every run, forever, whether it
+has three new posts or none. Seeding (above) saved a *second* full pass, not
+the first.
+
+Measured on the 2026-08-20 run, from sidecar write times in staging — free,
+since the run was paying for the listing anyway:
+
+```
+1787248852   2026-08-19 … DcOeoVxkthi     new, +0s
+1787248944   2026-08-18 … DcLpfoJCZtp     new, +92s
+1787249058   2026-08-17 … DcIlGbxCUk0     new, +114s
+1787249162   2026-07-24 … DbKr1TxlPSX     ┐ all one second: nothing
+1787249162   2026-08-15 … DcD-FdBCYGm     ┘ downloaded, sidecars only
+```
+
+Three posts took ~100s each; the remaining 2272 were enumeration with nothing
+to show for it.
+
+**Pinned posts do not break early abort.** Test case 16 previously claimed
+`0ct0ber19` returns its 3 pinned posts out of date order — that is true of the
+*web grid*, but the REST `/posts/` listing came back strictly
+reverse-chronological, newest first, no hoisting. That matters because
+front-loaded old posts are the one thing that would make `skip: abort:N`
+dangerous: it would trip on them and abort before reaching anything new.
+
+So `skip: abort:N` is viable, and cuts ~420 requests per run to ~40-60:
+
+| surface | live items | pages | with `abort:50` |
+|---|---:|---:|---:|
+| posts, 6 profiles | 11,248 | ~377 | ~12 |
+| reels, 6 profiles | 1,080 | ~24 | ~8 |
+| stories + highlights | — | ~20 | ~20 |
+
+N counts consecutive skipped **files**, not posts, so it must clear the largest
+already-held carousel — `DcD-FdBCYGm` alone is 22 media. 50 is comfortable; 5
+would not be.
+
+**The tradeoff is edited carousels.** Test case 15 is a post that gained items
+after we archived it, and only a full enumeration finds those. Suggested
+policy: `abort:50` for routine runs, a full sweep occasionally.
+
+Measured the same day, resuming a stopped run with `--abort 50`:
+
+| source | live items | enumerated |
+|---|---:|---:|
+| `cher_ryppo` posts | 2,151 | **7** |
+| `cher_ryppo` reels | 92 | 53 |
+
+One page instead of 72, and every new post was still caught. The 7 is roughly
+3 new posts plus 4 already-held carousels making up the 50 skipped files.
+Reels need 53 because they are single-media, so 50 consecutive skips really is
+50 reels — another reminder that N counts files, and that the same N behaves
+very differently on a carousel-heavy surface than on a reels tab.
+
+## Publishing
+
+The fetch host stages to local disk and rsyncs afterwards. `rsync
+--ignore-existing` is not an optimisation but the safety property: the archive
+deliberately outlives Instagram, so publishing must only ever **add**. No
+`--delete`, and nothing already present is overwritten — including sidecars,
+which are rewritten every run and would otherwise churn the synced share.
+
+Publishing happens once at the end of a run, so a profile that fails midway
+never reaches the archive half-written.
+
+## Status
+
+In use for all six ARTMS profiles.
+
+`withaseul` first — 322 files added (74 media, 241 `.json`, 7 `.txt`), nothing
+overwritten or deleted. Of the 74 new media, **zero** duplicated media already
+held under a different name, which is the check that says JD2 and gallery-dl
+naming really do converge.
+
+**2026-08-20**, the first full incremental sync, four days after the previous
+one. 184 new media, 299 files published, 0 failures and **0 CDN 429s**:
+
+| profile | posts | reels | stories | files added |
+|---|---:|---:|---:|---:|
+| 0ct0ber19 | 58 | 2 | 4 | +77 |
+| official_artms | 12 | — | 2 | +85 |
+| cher_ryppo | 41 | 1 | 8 | +63 |
+| zindoriyam | 23 | — | 4 | +35 |
+| kimxxlip | 16 | — | 2 | +23 |
+| withaseul | 10 | — | — | +16 |
+
+The 20 story items are the part that could not have been recovered later.
+
+Two things made it cheap, and both are worth keeping:
+
+- The archive DB was already seeded from the previous run, so `--min-interval`
+  and the recorded `seeded` state meant **no probe passes at all**. A state
+  file has to exist for this; if one is missing after a manual run, write it
+  rather than letting the tool re-seed 24 sources.
+- `--abort 50` (see above) cut the remaining listing cost by roughly 85%.
+
+The run was deliberately **stopped and resumed** halfway to pick up `--abort`.
+That is safe precisely because of the state file: the 12 finished sources were
+already marked `fetched`, so the 20h floor skipped them and only the remaining
+12 re-ran. Stopping a run is cheap now; it was not before.
+
+Published files land owned by the SSH user rather than `rslsync`. The viewer
+reads them fine (world-readable), but Resilio does not own what it syncs; worth
+a `chown` if that ever matters. This also makes **`rsync` exit 23**
+("some files/attrs were not transferred") the *normal* outcome of a publish —
+it is the failed `chown`, not lost data. Confirm by re-running the same rsync
+with `--dry-run`: an empty file list means everything arrived.
+
+The profiles to fetch live in `artms_account_links.txt` at the archive root,
+passed with `--urls-file`.
+
+## Verified run
+
+`withaseul`, all four surfaces, staged locally and published to a scratch
+directory before the live publish above:
+
+```
+==> withaseul / posts      seeded 915 of 984 live items
+==> withaseul / reels      seeded  28 of  34 live items
+==> withaseul / stories    no results   (none active)
+==> withaseul / highlights no results
+```
+
+Output landed correctly, including the collab-reel case — `withaseul - reels`
+contains 53 files owned by `withaseul`, 10 by `cher_ryppo`, 3 by `0ct0ber19`
+and 2 by `official_artms`, all with the owner in the filename and the crawl
+scope as the directory.
+
+### The CDN rate-limits, and the first run tripped it
+
+At `rate: 3M` with `sleep: [1.0, 3.0]`, `scontent-*.cdninstagram.com` returned
+**`429 Too Many Requests`** and two videos were lost (gallery-dl retried, then
+gave up with exit 4). This is the *tolerant* surface complaining, which is a
+clear signal the pacing was too aggressive.
+
+Defaults are now:
+
+| option | value |
+|---|---|
+| `--rate` | `1M` |
+| `--sleep-request` | 6–10 s |
+| `--sleep` | 3–6 s |
+| `sleep-429` | 120 s |
+| `retries` (extractor and downloader) | 8 |
+
+Re-running with those recovered both videos and produced **0 failures and 0
+429s**. Do not raise them for speed; an archive sync has no deadline.
+
+### yt-dlp is worth installing
+
+Without it, gallery-dl logs `Cannot import yt-dlp or youtube-dl` and falls back
+to a progressive URL for DASH videos. The fallback mostly works but is what the
+429s hit hardest.
+
+**`pipx install yt-dlp` does not work** — it was the advice here until
+2026-08-20, and it is wrong. It gives yt-dlp its own venv, so the binary lands
+on `PATH` while gallery-dl, in a *different* venv, still cannot `import yt_dlp`.
+The symptom is that everything looks installed and the log keeps saying
+`Cannot import yt-dlp`. gallery-dl needs it importable, not runnable:
+
+```sh
+pipx inject gallery-dl yt-dlp
+```
+
+Verify by asking gallery-dl's own interpreter, not the shell:
+
+```sh
+/home/matt/.local/share/pipx/venvs/gallery-dl/bin/python -c 'import yt_dlp'
+```
+
+## Known quirks
+
+- **`count` is not the emitted file count.** For 135 of 214 posts it was exactly
+  one higher than the number of files written. This makes the `count >= 10`
+  padding condition mis-pad a handful of 9-item posts (10 of 214 measured). Since
+  the parser normalises the index, this is cosmetic — but it means a re-fetch
+  over an existing JD2 tree writes `- 01.jpg` beside an existing `- 1.jpg`.
+- **Carousels get edited.** Two posts had a different media count live than on
+  disk. Padding width follows the count *at download time*, so a grown carousel
+  produces mixed widths — the archive already contains one such post from JD2.
+- **Highlights already have two naming styles on disk**, and every undated file
+  has a dated twin. The scanner dedupes by index so they render once; it is
+  wasted disk, not a display bug.
+- **Some `video_versions` entries are VP9, and format selection is
+  codec-blind.** The extractor picks `max(video_versions, key=lambda x:
+  (x["width"], x["height"], x["type"]))` — resolution only, no codec check
+  (`instagram.py`). Instagram appears to have started serving VP9-encoded
+  highest-resolution variants for some posts around when the new gdl-based
+  workflow started (2026-08); 87 such files were found archive-wide on
+  2026-09-01. VP9-in-MP4 plays fine everywhere gallery-dl was tested from
+  except **Safari/WebKit**, which wires VP9 decode only into its WebM
+  demuxer, never its MP4/ISOBMFF path — confirmed via WebKit bug trackers,
+  not guessed. Fetching a lower-resolution non-VP9 variant instead was
+  considered and rejected (quality loss); the fix is downstream, a one-time
+  `-c:v copy -c:a libopus` remux to `.webm` (`cosmo_remux_instagram_vp9.py`
+  in `Cosmo-Live-Downloads`) that keeps VP9 losslessly and only re-encodes
+  audio (WebM disallows AAC). Confirmed live via gallery-dl/yt-dlp that
+  Instagram never offers a native WebM option to request instead — this has
+  to be done locally, there's no source-side fix.
+
+## Scanner work — done
+
+Shipped in `53b1f80` ("read gallery-dl sidecars for reel type and post dates").
+`useArchiveScanner` tells the three `.json` shapes apart **structurally**, not
+by filename, in `src/lib/gallery-dl-sidecar.ts`:
+
+1. Instagram export manifests (`posts_1.json`) — top-level `media` array.
+2. Instaloader `.json.xz` — GraphQL node under `node` / `__typename`.
+3. gallery-dl `.json` — flat, `post_shortcode` + `type`, none of the above.
+
+`post.isReel` now comes from the sidecar's `type`, which is Instagram's own
+classification, and beats every fallback in `post-tabs.ts`. Post dates are
+ranked rather than last-write-wins (`src/lib/post-dates.ts`): sidecar beats
+filename beats mtime.
+
+Note those files live on **`main`** — they parse the archive at display time
+and are viewer code, not fetching tooling.
+
+## Test cases
+
+Real subjects, all present in the archive today. See
+`scripts/gdl-sync.py --selftest` for the harness.
+
+| # | case | shortcode | expected |
+|---|---|---|---|
+| 1 | single image | `CwcXnQhOqFG` | one `.jpg`, no index |
+| 2 | single feed video | `DbdG9L9jU4m` | one `.mp4`, `type: post` |
+| 3 | carousel, images only | `Cq8LrxSJAJE` | `- 1 … - 3` |
+| 4 | carousel, image + video | `CtohvHxLnWO` | `- 1.jpg … - 4.mp4`, **no `.txt`** |
+| 5 | carousel of exactly 9 | `Cv2Hb_brx_N` | 1-digit index |
+| 6 | carousel of 10+ | `CzM8Uf6B6H_` | 2-digit index `- 01 … - 10` |
+| 7 | reel shown on the posts grid | `C8FHM6EJl15` | in `<user>`, `type: reel` |
+| 8 | reel on the reels tab | `Db-lNCoib9m` | in `<user> - reels`, `type: reel` |
+| 9 | collab reel (other owner) | `DYcZOb0h6Sv` | dir `0ct0ber19 - reels`, filename `chuuo3o` |
+| 10 | story | live only | `story - <user>`, per-item shortcode + date |
+| 11 | story highlight | `C-IImhvpFuk` | `story highlights - <user> - <title>` |
+| 12 | highlight, unicode title | `Drawheeing⠀` | trailing U+2800 preserved in dirname |
+| 13 | empty caption | `CrdsY5CrSsO` | media written, `.txt` absent |
+| 14 | deleted post | `C0TgI7sphfZ` | on disk, absent live — must not be removed |
+| 15 | edited carousel | `C7zG7-jJMlq` | 18 on disk, 8 live — must not be removed |
+| 16 | pinned posts | `0ct0ber19` | REST listing is strictly reverse-chronological; see below |
+| 17 | profile avatar | `0ct0ber19.jpg` | base dir, undated |
+
+Cases 14–16 are reconciliation, not naming: **a sync must never delete**, since
+the archive deliberately outlives Instagram.
+
+Not covered, decide before relying on them: the `/reposts/` tab (`0ct0ber19`
+has one) and `/tagged/`. Neither is fetched today.

docs/instagram-missing-captions.csv

@@ -0,0 +1,184 @@
+slug,username,archive_dir,shortcode,type,date,post_url,json_file
+choerry,cher_ryppo,cher_ryppo,C5SBC--Syik,post,2024-04-03 01:50:25,https://www.instagram.com/p/C5SBC--Syik/,2024-04-02_cher_ryppo - C5SBC--Syik.json
+choerry,cher_ryppo,cher_ryppo,C811ib_ys7D,post,2024-06-30 13:16:41,https://www.instagram.com/p/C811ib_ys7D/,2024-06-30_cher_ryppo - C811ib_ys7D.json
+choerry,cher_ryppo,cher_ryppo,C9JTMgnSCHF,post,2024-07-08 02:41:25,https://www.instagram.com/p/C9JTMgnSCHF/,2024-07-07_cher_ryppo - C9JTMgnSCHF.json
+choerry,cher_ryppo,cher_ryppo,C-K6kxZy6qq,post,2024-08-02 14:16:09,https://www.instagram.com/p/C-K6kxZy6qq/,2024-08-02_cher_ryppo - C-K6kxZy6qq.json
+choerry,cher_ryppo,cher_ryppo,DBXI0zVs_Iv,post,2024-10-20 21:45:44,https://www.instagram.com/p/DBXI0zVs_Iv/,2024-10-20_cher_ryppo - DBXI0zVs_Iv.json
+choerry,cher_ryppo,cher_ryppo,DRRDiezjdyV,post,2025-11-20 05:26:24,https://www.instagram.com/p/DRRDiezjdyV/,2025-11-20_cher_ryppo - DRRDiezjdyV.json
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docs/jdownloader.md

@@ -0,0 +1,194 @@
+# JDownloader2 — archive fetching
+
+> **This file lives only on the `tooling` branch.** `main` is published to
+> GitHub and deliberately carries none of this — not the host details, not the
+> IPs, and not the account names. `main`'s history was redacted on 2026-08-20;
+> real names exist only here.
+>
+> There is no `npm run jd2` script — `package.json` and `CLAUDE.md` are kept
+> byte-identical to `main` so that merging `main` into `tooling` never
+> conflicts. Run the crawljob generator directly:
+>
+> ```sh
+> npx tsx scripts/jd2-sync.ts --archives <dir> --dry-run
+> ```
+
+How content gets into this archive, and why the setup is shaped the way it is.
+
+## Why JDownloader and not Instaloader
+
+There are two surfaces, and they're treated very differently:
+
+| Surface | What hits it | Risk |
+|---|---|---|
+| `instagram.com` | profile pages, GraphQL/API metadata | Tied to your session, heavily rate-limited. **This is where bans come from.** |
+| `scontent*.cdninstagram.com` | the actual media | Signed URLs, CDN-served, tolerant. Mostly a bandwidth question. |
+
+JDownloader does nearly all its work on the CDN. Instaloader's value — the rich
+`.json.xz` metadata — comes from asking `instagram.com` a question *per post*.
+
+Concretely, from this archive: `rivvsofficial` has 188 post-metadata files, so
+backfilling it cost 188 API requests for one 605-file profile. That's the ban
+vector. Downloading the 238 photos was never the problem.
+
+Instaloader got this account banned once. JDownloader with throttling did not.
+
+> **The account was suspended anyway, on 2026-08-17, for "spam".** Not by
+> JDownloader, and not by downloading. It was suspended during a day of
+> *building and verifying* the gallery-dl replacement — automated browser
+> scrolling to enumerate profile grids, repeated `--simulate` and `-j` metadata
+> passes, and one aborted sync that re-ran every listing pass before dying.
+>
+> The framing above is right about which surface is dangerous and wrong about
+> what reaches it. **Every read of `instagram.com` counts, including the ones
+> that download nothing** — and read-only work is easy not to count precisely
+> because it leaves no files behind. See the post-mortem at the top of
+> `docs/gallery-dl.md`.
+>
+> The rule that would have prevented it: *verify against the archive, never
+> against the live site*, and treat the first CDN `429` as the end of the
+> session rather than a pacing knob.
+
+### What the metadata gap actually costs
+
+Comparing a JDownloader profile against an Instaloader one:
+
+| | JDownloader | Instaloader |
+|---|---|---|
+| Media | ✅ | ✅ |
+| Captions (`.txt`) | ✅ | ✅ |
+| Dates (from filenames) | ✅ | ✅ |
+| Bio / full name | ❌ | ✅ |
+| Follower counts | ❌ | ✅ |
+| External URL | ❌ | ✅ |
+
+Captions already work — the viewer reads the `.txt` sidecars. Everything missing
+lives in a *single* profile-level record, not the per-post ones. That's why
+JDownloader-sourced profiles show "0 followers" and a placeholder bio.
+
+Not worth extra requests. If you ever want it, the zero-request option is a
+hand-written `profile.json` sidecar (not implemented yet — ask).
+
+## Settings that matter
+
+**Chunks per download → 1.** The single most important one. JDownloader splits
+each file into multiple ranged requests by default; that `Range` pattern looks
+nothing like a browser or the app. One chunk = one sequential GET per file.
+`jd2-sync` sets `chunks=1` per job, so no global change is needed — but set it
+globally too if you ever add links by hand.
+
+**Max simultaneous downloads → 2–3**, connections-per-host low. Concurrency is
+what turns "a user" into a statistic.
+
+**Leave reconnect / IP-change features off.** A mid-session IP change on a live
+cookie is a *stronger* anomaly signal than the request rate you'd be avoiding.
+
+## The cookie
+
+Exported manually from a real browser session. This is the right approach — no
+programmatic login anywhere, which is the thing that actually gets flagged.
+
+- Use it from the **same public IP** as the browser it came from. A cookie used
+  from a different network is what session-hijack detection looks for.
+- When it expires, **re-export from the browser**. Never add a login step to a tool.
+- It's a full account credential. Keep it off the NAS share and out of the repo.
+
+## Workflow
+
+Two URLs per profile, because the profile grid misses some reels:
+
+```
+https://www.instagram.com/<user>/
+https://www.instagram.com/<user>/reels/
+```
+
+They overlap slightly — a reel caught by both lands in each directory and shows
+up twice in the viewer. That's correct and matches Instagram, which also shows
+reels in the profile grid *and* the Reels tab.
+
+## Generating jobs
+
+Instead of pasting URLs and setting output folders by hand:
+
+```bash
+npm run jd2 -- --archives /volume1/rslsync/sync/Instagram-archive/archives --dry-run
+```
+
+Review, then write it into JDownloader's folder-watch directory:
+
+```bash
+npm run jd2 -- --archives /volume1/rslsync/sync/Instagram-archive/archives \
+               --out ~/.jd2/folderwatch
+```
+
+JDownloader runs on the desktop while the archive lives on the NAS, so tell it
+the path *it* sees:
+
+```bash
+npm run jd2 -- --archives /mnt/nas/Instagram-archive/archives \
+               --download-base 'Z:\Instagram-archive\archives' \
+               --out ~/.jd2/folderwatch
+```
+
+| Flag | Purpose |
+|---|---|
+| `--archives <dir>` | Archive root to scan (or `$ARCHIVES_DIR`) |
+| `--out <dir>` | JDownloader folder-watch directory |
+| `--download-base <dir>` | Root path as JDownloader sees it (Windows paths fine) |
+| `--user <name>` | Just this profile (repeatable) |
+| `--skip <name>` | Never emit jobs for this directory (repeatable) |
+| `--chunks <n>` | Connections per file (default 1) |
+| `--auto-start` | Start immediately instead of parking in LinkGrabber |
+| `--all-reels` | Emit a reels job even where no reels directory exists |
+| `--dry-run` | Print instead of writing |
+
+Defaults are deliberately conservative: `chunks=1`, and links park in the
+LinkGrabber for review rather than auto-starting.
+
+Only posts and reels are emitted. Highlight URLs need a numeric id and story
+URLs expire, so those stay manual.
+
+Directories that aren't Instagram profiles are skipped by username shape
+(letters, digits, dots, underscores, ≤30 chars) — pointing a crawl at those
+spends `instagram.com` requests to be told the profile doesn't exist. For names
+that *look* like usernames but aren't, use `--skip` or a `.jd2ignore` file in
+the archive root, one name per line.
+
+Format reference: `src/org/jdownloader/extensions/folderwatchV2/explain.txt`.
+JDownloader develops on SVN — read it via the daily mirror at
+<https://github.com/mycodedoesnotcompile2/jdownloader_mirror> (`svn_trunk/`),
+not one of the abandoned GitHub copies.
+
+## Expected layout
+
+Everything downloads into `<archives>/`, one directory per source:
+
+```
+archives/
+  0ct0ber19/                                 posts
+  0ct0ber19 - reels/                         reels
+  story - 0ct0ber19/                         stories
+  story highlights - 0ct0ber19 - Heestory/   a highlight
+```
+
+Non-archive directories (tool output, exports from elsewhere) live *outside*
+`archives/` so they never reach the viewer.
+
+The server picks up changes automatically — its index is keyed on directory
+mtime, so a new file invalidates only that directory.
+
+## If something goes wrong
+
+**429 / rate limited** — stop for hours, not seconds. Retrying into a limit is
+what converts a soft throttle into something worse.
+
+**Cookie stops working** — re-export from the browser. Don't add a login step.
+
+**Files land in the wrong folder** — a Packagizer rule is overriding the job.
+Generated jobs set `overwritePackagizerEnabled=TRUE` to prevent this; check that
+rules aren't set to run after it.
+
+**Viewer doesn't show new posts** — check the file is in the right directory and
+matches the naming pattern (`YYYY-MM-DD_<user> - <shortcode>[ - NN].<ext>`).
+The index refreshes on directory mtime, so a genuinely new file is picked up on
+the next request.

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "instaarchive-viewer",
-  "version": "1.6.0",
+  "version": "1.8.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "instaarchive-viewer",
-      "version": "1.6.0",
+      "version": "1.8.1",
       "dependencies": {
         "@tailwindcss/vite": "^4.1.14",
         "@vitejs/plugin-react": "^5.0.4",

package.json

@@ -1,19 +1,18 @@
 {
   "name": "instaarchive-viewer",
   "private": true,
-  "version": "1.6.0",
+  "version": "1.8.1",
   "type": "module",
   "scripts": {
     "dev": "vite --port=3000 --host=0.0.0.0",
     "build": "vite build && npm run build:server",
-    "build:server": "tsc server.ts --esModuleInterop --module ESNext --target ES2022 --moduleResolution bundler --outDir dist-server",
+    "build:server": "tsc server.ts --esModuleInterop --module ESNext --target ES2022 --moduleResolution bundler --removeComments --outDir dist-server",
     "preview": "vite preview",
     "server": "tsx server.ts",
     "clean": "rm -rf dist",
     "lint": "tsc --noEmit",
     "test": "vitest run",
-    "test:watch": "vitest",
-    "jd2": "tsx scripts/jd2-sync.ts"
+    "test:watch": "vitest"
   },
   "dependencies": {
     "@tailwindcss/vite": "^4.1.14",

scripts/gdl-cron.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+# Unattended wrapper around gdl-sync.py. One argument: the run mode.
+#
+#   stories     daily      ~6 requests; the only surface that cannot be backfilled
+#   profiles    monthly    every surface, --abort 50: stops enumerating a profile
+#                          once it reaches content already held, so it costs
+#                          ~40-60 requests and catches everything NEW
+#   full-sweep  rarely     every surface, no abort: walks each profile to the end
+#                          for ~420 requests. The only run that notices posts
+#                          EDITED after we archived them, and by far the most
+#                          expensive thing here -- see TOOLING.md before running.
+#
+# Exits non-zero if the sync does, so cron mails you. Everything is logged.
+set -eu
+
+MODE="${1:?usage: gdl-cron.sh stories|profiles|full-sweep}"
+
+GDL_HOME="${GDL_HOME:-$HOME/gdl}"
+INDEX="${GDL_INDEX:-https://instaarchive.ergosteur.com}"
+PUBLISH="${GDL_PUBLISH:-agentapi@10.20.28.200:/volume1/rslsync/sync/Instagram-archive/archives/}"
+STAGING="$GDL_HOME/staging-$MODE"
+# $$ in the name because two runs in the same SECOND would otherwise share a
+# log file, and `tee -a` appends -- which made a test see the previous run.
+LOG="$GDL_HOME/logs/$MODE-$(date +%Y%m%d-%H%M%S)-$$.log"
+
+PATH="$HOME/.local/bin:$PATH"; export PATH
+
+# Pacing. These are the values the 2026-08-22 runs used by hand, after the
+# scraping warning -- roughly double the caution of gdl-sync.py's own defaults
+# (6-10s / 3-6s / 1M). An archive sync has no deadline; being slow is free and
+# being restricted is not. Override per-run with GDL_SLEEP_REQUEST etc. if you
+# ever need to, but raise them rather than lower them.
+SLEEP_REQUEST="${GDL_SLEEP_REQUEST:-12 20}"
+SLEEP="${GDL_SLEEP:-5 10}"
+RATE="${GDL_RATE:-500K}"
+
+case "$MODE" in
+  # --min-interval 8, not the 20h default. The floor exists to stop an ABORTED
+  # RESTART re-enumerating profiles -- a minutes-to-hours concern. At 20h the
+  # daily timer silently did nothing whenever a manual run had happened the
+  # previous afternoon, which is exactly what happened on 2026-08-21: it fired,
+  # skipped all six sources and reported success. A stories fetch is one
+  # request per profile, so the worst case 8h permits is roughly twelve
+  # requests in a day instead of six.
+  stories)    ARGS="--only stories --min-interval 8" ;;
+  profiles)   ARGS="--only posts,reels,stories,highlights --abort 50" ;;
+  # No --abort: the whole point of full-sweep is enumerating to the end, so it
+  # is the only run that notices carousels edited after we archived them.
+  full-sweep) ARGS="--only posts,reels,stories,highlights" ;;
+  # Renamed 2026-08-22: "full" was misleading (it is the abort-LIMITED run) and
+  # "sweep" did not say it was the exhaustive one. Catch the old names rather
+  # than failing with a bare error, in case something still passes them.
+  full)  echo "mode 'full' was renamed to 'profiles'" >&2; exit 2 ;;
+  sweep) echo "mode 'sweep' was renamed to 'full-sweep'" >&2; exit 2 ;;
+  *) echo "unknown mode: $MODE (want stories|profiles|full-sweep)" >&2; exit 2 ;;
+esac
+
+mkdir -p "$GDL_HOME/logs"
+
+# Staging is wiped every run ON PURPOSE. What we already hold is decided by the
+# skip-archive (--download-archive), never by which files happen to be sitting
+# in staging, so starting empty is correct -- and it keeps the publish rsync
+# to just the new files instead of re-walking gigabytes each time.
+rm -rf "$STAGING"
+
+echo "=== $MODE run $(date -Is) ===" | tee -a "$LOG"
+
+# The exit status has to survive the pipe into tee. The left-hand side of a
+# pipeline runs in a SUBSHELL, so an `exit` in there sets the subshell's status
+# and the script goes on to return tee's, which is always 0. An earlier version
+# of this file did exactly that and reported success no matter what the sync
+# did -- which is why the shebang is bash: PIPESTATUS is the fix.
+# This run's output only. The check below must never see a previous run's
+# lines, so it reads this rather than the (appended-to) log.
+RUNOUT=$(mktemp)
+trap 'rm -f "$RUNOUT"' EXIT
+
+set +e
+# shellcheck disable=SC2086
+"$GDL_HOME/gdl-sync.py" \
+    --index "$INDEX" \
+    --staging "$STAGING" \
+    --publish "$PUBLISH" \
+    --archive-db "$GDL_HOME/artms.db" \
+    --urls-file "$GDL_HOME/artms_account_links.txt" \
+    --sleep-request $SLEEP_REQUEST \
+    --sleep $SLEEP \
+    --rate "$RATE" \
+    $ARGS --execute 2>&1 | tee -a "$LOG" "$RUNOUT"
+status=${PIPESTATUS[0]}
+set -e
+
+# A stories run that skipped every source is NOT a success. It means the
+# min-interval floor blocked the one surface that cannot be backfilled, and
+# without this it looks identical to a clean run: exit 0, "0 step(s) failed".
+# Note this is not the same as "no stories today" -- that shows up as sources
+# being fetched and returning no results, which is normal and stays quiet.
+if [ "$MODE" = "stories" ] && grep -q "sources  : 0 to sync" "$RUNOUT"; then
+  echo "WARNING: every stories source was skipped by --min-interval." | tee -a "$LOG" >&2
+  echo "         Nothing was fetched. Stories expire in 24h and cannot be" | tee -a "$LOG" >&2
+  echo "         backfilled, so this is a real loss, not a quiet no-op." | tee -a "$LOG" >&2
+  [ "$status" -eq 0 ] && status=75
+fi
+
+echo "=== exit $status at $(date -Is) ===" | tee -a "$LOG"
+
+# Keep the log directory from growing without bound.
+ls -1t "$GDL_HOME/logs" | tail -n +30 | while read -r old; do
+  rm -f "$GDL_HOME/logs/$old"
+done
+
+exit $status

scripts/jd2-sync.ts

@@ -0,0 +1,277 @@
+/**
+ * Generate JDownloader2 .crawljob files for the archives on disk.
+ *
+ * The manual flow is: paste a profile URL into JDownloader, paste the /reels
+ * URL separately (the profile page misses some reels), and set the output
+ * folder by hand — times however many profiles you keep. This emits one
+ * crawljob per source with the folder already pointed at the right directory,
+ * so JDownloader's folder-watch picks the whole batch up at once.
+ *
+ * Profiles and their sidecar directories are derived with the same grouping
+ * logic the server uses, so the output folders always match what the viewer
+ * expects to find.
+ *
+ * Only posts and reels are emitted. Story and highlight URLs can't be rebuilt
+ * from a directory name — highlights need their numeric id and stories expire —
+ * so those stay manual.
+ *
+ * Crawljob format verified against JDownloader's own docs for the extension:
+ * src/org/jdownloader/extensions/folderwatchV2/explain.txt. JDownloader
+ * develops on SVN; read it via the daily mirror at
+ * https://github.com/mycodedoesnotcompile2/jdownloader_mirror (svn_trunk/),
+ * not one of the abandoned GitHub copies — several are a decade stale.
+ *
+ * Entries are separated by `->NEW ENTRY<-` and any property may be omitted.
+ * There is also a `setBeforePackagizerEnabled` companion to
+ * `overwritePackagizerEnabled`, if the Packagizer ever needs to see these
+ * values before they're applied.
+ *
+ * Usage:
+ *   npx tsx scripts/jd2-sync.ts --archives <dir> [options]
+ *
+ *   --archives <dir>       Archive root to scan (default: $ARCHIVES_DIR)
+ *   --out <dir>            JDownloader folder-watch directory to write into
+ *   --download-base <dir>  Root path as *JDownloader* sees it, when it runs on
+ *                          a different machine than this script (e.g. a mapped
+ *                          drive). Defaults to --archives.
+ *   --user <name>          Only this profile (repeatable)
+ *   --skip <name>          Never emit jobs for this directory (repeatable).
+ *                          Also read from a `.jd2ignore` file in the archive
+ *                          root, one name per line.
+ *   --chunks <n>           Connections per file (default 1: multi-chunk ranged
+ *                          requests are the one CDN pattern that doesn't look
+ *                          like a browser)
+ *   --auto-start           Start downloads immediately instead of parking them
+ *                          in the LinkGrabber for review
+ *   --all-reels            Emit a reels job even where no reels directory
+ *                          exists yet
+ *   --dry-run              Print the crawljob instead of writing it
+ */
+
+import fs from 'fs';
+import path from 'path';
+import { groupArchiveDirectories, ArchiveSource } from '../src/lib/archive-grouping.js';
+
+interface Options {
+  archives: string;
+  out: string | null;
+  downloadBase: string;
+  users: string[];
+  skip: Set<string>;
+  chunks: number;
+  autoStart: boolean;
+  allReels: boolean;
+  dryRun: boolean;
+}
+
+const parseArgs = (argv: string[]): Options => {
+  const opts: Options = {
+    archives: process.env.ARCHIVES_DIR ?? '',
+    out: null,
+    downloadBase: '',
+    users: [],
+    skip: new Set(),
+    chunks: 1,
+    autoStart: false,
+    allReels: false,
+    dryRun: false,
+  };
+
+  for (let i = 0; i < argv.length; i++) {
+    const arg = argv[i];
+    const next = () => argv[++i];
+    switch (arg) {
+      case '--archives': opts.archives = path.resolve(next()); break;
+      case '--out': opts.out = path.resolve(next()); break;
+      case '--download-base': opts.downloadBase = next(); break;
+      case '--user': opts.users.push(next()); break;
+      case '--skip': opts.skip.add(next()); break;
+      case '--chunks': opts.chunks = parseInt(next(), 10); break;
+      case '--auto-start': opts.autoStart = true; break;
+      case '--all-reels': opts.allReels = true; break;
+      case '--dry-run': opts.dryRun = true; break;
+      case '--help': case '-h': printUsage(); process.exit(0);
+      default:
+        console.error(`Unknown argument: ${arg}`);
+        process.exit(1);
+    }
+  }
+
+  if (!opts.archives) {
+    console.error('No archive root. Pass --archives <dir> or set ARCHIVES_DIR.');
+    process.exit(1);
+  }
+  if (!opts.downloadBase) opts.downloadBase = opts.archives;
+  if (!opts.out && !opts.dryRun) {
+    console.error('No destination. Pass --out <folder-watch dir>, or --dry-run to preview.');
+    process.exit(1);
+  }
+  return opts;
+};
+
+const printUsage = () => {
+  const header = readHeaderComment();
+  console.log(header);
+};
+
+/** Print the usage block from this file's own header comment. */
+const readHeaderComment = () => {
+  try {
+    const self = fs.readFileSync(new URL(import.meta.url), 'utf8');
+    const usage = self.slice(self.indexOf(' * Usage:'), self.indexOf(' */'));
+    return usage.split('\n').map(l => l.replace(/^ \* ?/, '')).join('\n');
+  } catch {
+    return 'See the comment at the top of scripts/jd2-sync.ts';
+  }
+};
+
+/**
+ * JDownloader escapes nothing in crawljob values, so a stray newline would
+ * silently split a property. Paths with spaces are fine as-is.
+ */
+const sanitise = (value: string) => value.replace(/[\r\n]+/g, ' ').trim();
+
+/**
+ * Instagram usernames are 1–30 characters of letters, digits, dots and
+ * underscores. Archive roots also collect directories that aren't profiles at
+ * all — tool output, exports from other services — and pointing a crawl at
+ * those spends requests on instagram.com to be told the profile doesn't exist.
+ * That's the exact traffic worth not spending.
+ */
+const USERNAME_RE = /^[A-Za-z0-9._]{1,30}$/;
+
+/** Directory names to skip, from `.jd2ignore` in the archive root. */
+const readIgnoreFile = (archives: string): string[] => {
+  try {
+    return fs.readFileSync(path.join(archives, '.jd2ignore'), 'utf8')
+      .split('\n').map(l => l.trim()).filter(l => l && !l.startsWith('#'));
+  } catch {
+    return [];
+  }
+};
+
+interface Job {
+  user: string;
+  kind: 'posts' | 'reels';
+  url: string;
+  packageName: string;
+  downloadFolder: string;
+  fileCount: number | null;
+}
+
+const buildJobs = (opts: Options): Job[] => {
+  const dirNames = fs.readdirSync(opts.archives, { withFileTypes: true })
+    .filter(e => e.isDirectory() && !/^[.@_]/.test(e.name))
+    .map(e => e.name);
+
+  const groups = groupArchiveDirectories(dirNames);
+  const jobs: Job[] = [];
+  const skipped: string[] = [];
+
+  for (const name of readIgnoreFile(opts.archives)) opts.skip.add(name);
+
+  const countFiles = (dir: string): number | null => {
+    try {
+      return fs.readdirSync(path.join(opts.archives, dir)).length;
+    } catch {
+      return null;
+    }
+  };
+
+  // JDownloader must be given the path *it* can see, which differs from the
+  // scan path whenever the archive lives on a share.
+  const downloadFolderFor = (dir: string) =>
+    opts.downloadBase.includes('\\')
+      ? `${opts.downloadBase.replace(/\\$/, '')}\\${dir}`
+      : path.posix.join(opts.downloadBase, dir);
+
+  for (const [user, sources] of [...groups].sort(([a], [b]) => a.localeCompare(b))) {
+    if (opts.users.length && !opts.users.includes(user)) continue;
+
+    if (opts.skip.has(user)) { skipped.push(`${user} (ignored)`); continue; }
+    if (!USERNAME_RE.test(user)) { skipped.push(`${user} (not a username)`); continue; }
+
+    const has = (kind: ArchiveSource['kind']) => sources.find(s => s.kind === kind);
+    const base = has('posts');
+    if (!base) continue; // sidecar-only group: nothing sensible to point a URL at
+
+    jobs.push({
+      user, kind: 'posts',
+      url: `https://www.instagram.com/${encodeURIComponent(user)}/`,
+      packageName: base.dir,
+      downloadFolder: downloadFolderFor(base.dir),
+      fileCount: countFiles(base.dir),
+    });
+
+    const reels = has('reels');
+    if (reels || opts.allReels) {
+      const dir = reels?.dir ?? `${user} - reels`;
+      jobs.push({
+        user, kind: 'reels',
+        url: `https://www.instagram.com/${encodeURIComponent(user)}/reels/`,
+        packageName: dir,
+        downloadFolder: downloadFolderFor(dir),
+        fileCount: reels ? countFiles(dir) : null,
+      });
+    }
+  }
+
+  if (skipped.length) {
+    console.error(`Skipped ${skipped.length} director${skipped.length === 1 ? 'y' : 'ies'}:`);
+    for (const s of skipped) console.error(`  - ${s}`);
+    console.error('');
+  }
+
+  return jobs;
+};
+
+const renderCrawljob = (jobs: Job[], opts: Options): string =>
+  jobs.map(job => [
+    `text=${sanitise(job.url)}`,
+    `packageName=${sanitise(job.packageName)}`,
+    `downloadFolder=${sanitise(job.downloadFolder)}`,
+    `chunks=${opts.chunks}`,
+    // Without this a Packagizer rule can override downloadFolder and scatter
+    // files away from the directory the viewer reads.
+    'overwritePackagizerEnabled=TRUE',
+    `autoStart=${opts.autoStart ? 'TRUE' : 'FALSE'}`,
+    `autoConfirm=${opts.autoStart ? 'TRUE' : 'FALSE'}`,
+    'enabled=TRUE',
+    `comment=instaarchive jd2-sync (${job.kind})`,
+  ].join('\n')).join('\n->NEW ENTRY<-\n');
+
+const main = () => {
+  const opts = parseArgs(process.argv.slice(2));
+  const jobs = buildJobs(opts);
+
+  if (!jobs.length) {
+    console.error('No profiles matched.');
+    process.exit(1);
+  }
+
+  console.error(`Archive root : ${opts.archives}`);
+  console.error(`JD sees root : ${opts.downloadBase}`);
+  console.error(`Jobs         : ${jobs.length} (${new Set(jobs.map(j => j.user)).size} profiles)\n`);
+  for (const job of jobs) {
+    const count = job.fileCount === null ? 'new' : `${job.fileCount} files`;
+    console.error(`  ${job.kind.padEnd(5)} ${job.user.padEnd(24)} -> ${job.packageName}  (${count})`);
+  }
+  console.error('');
+
+  const body = renderCrawljob(jobs, opts);
+
+  if (opts.dryRun || !opts.out) {
+    console.log(body);
+    return;
+  }
+
+  fs.mkdirSync(opts.out, { recursive: true });
+  const file = path.join(opts.out, `instaarchive-${new Date().toISOString().replace(/[:.]/g, '-')}.crawljob`);
+  fs.writeFileSync(file, body, 'utf8');
+  console.error(`Wrote ${file}`);
+  console.error(opts.autoStart
+    ? 'Downloads will start automatically.'
+    : 'Links land in the LinkGrabber for review; start them when ready.');
+};
+
+main();

scripts/reels-scrape.py

@@ -0,0 +1,237 @@
+#!/usr/bin/env python3
+"""
+Find a profile's reels by scrolling the real page, not calling the API.
+
+gallery-dl's dedicated reels extractor POSTs to /api/v1/clips/user/, which
+Instagram now 302-redirects to the home page for this account -- confirmed on
+2026-08-26/27 across multiple profiles, hours apart, with a freshly-warmed
+session and a correct X-IG-WWW-Claim header. The reels tab itself loads fine
+in a real browser, so this drives the SAME logged-in Chrome (already exposed
+on loopback CDP for MCP automation -- see TOOLING.md) via the DevTools
+protocol, scrolls it like a person would, and scrapes `/reel/<code>/` links
+out of the rendered page instead.
+
+This only finds shortcodes; it never downloads anything itself. What comes
+out the other end is deduped against the archive (via the same --index used
+elsewhere) and printed as plain post URLs -- feed them to gdl-sync.py:
+
+    ./scripts/reels-scrape.py --profile someuser \\
+        --index https://instaarchive.ergosteur.com > /tmp/someuser-reels.txt
+
+    ./scripts/gdl-sync.py --publish user@host:/path --staging /var/tmp/gdl \\
+        --post-urls-file /tmp/someuser-reels.txt \\
+        --sleep-request 12 20 --sleep 5 10 --rate 500K --execute
+
+Requires the `websocket-client` package (only imported inside scrape_reels,
+so everything else here stays importable -- and testable -- without it).
+"""
+
+from __future__ import annotations
+
+import argparse
+import itertools
+import json
+import random
+import re
+import sys
+import time
+from pathlib import Path
+from urllib.request import urlopen
+
+RE_REEL_HREF = re.compile(r"/reel/([^/?#]+)")
+
+# The reels tab has finished loading once a scroll round finds no NEW
+# shortcodes this many times in a row -- lazy-loaded feeds sometimes stall
+# for a round or two before producing more, so one dry round is not enough.
+DEFAULT_MAX_IDLE_ROUNDS = 3
+DEFAULT_MAX_SCROLLS = 200
+DEFAULT_SCROLL_PAUSE = (2.0, 3.5)
+
+SCRAPE_JS = (
+    "(() => {"
+    "window.scrollTo(0, document.body.scrollHeight);"
+    "return Array.from(document.querySelectorAll('a[href*=\"/reel/\"]'))"
+    ".map(a => a.getAttribute('href'));"
+    "})()"
+)
+
+
+def extract_shortcodes(hrefs: list[str]) -> list[str]:
+    codes = []
+    for href in hrefs:
+        if m := RE_REEL_HREF.search(href):
+            codes.append(m.group(1))
+    return codes
+
+
+class CDPError(RuntimeError):
+    pass
+
+
+class CDP:
+    """
+    A deliberately minimal synchronous DevTools Protocol client: one request
+    in flight at a time, which is all a linear scroll-and-scrape loop needs.
+    Anything fancier (concurrent requests, event subscriptions) is scope this
+    script has no reason to carry.
+    """
+
+    def __init__(self, ws_url: str, timeout: float = 30.0):
+        import websocket  # local: keep this importable without the package
+        self.ws = websocket.create_connection(ws_url, timeout=timeout)
+        self._ids = itertools.count(1)
+
+    def send(self, method: str, params: dict | None = None,
+             session_id: str | None = None) -> dict:
+        msg_id = next(self._ids)
+        payload = {"id": msg_id, "method": method, "params": params or {}}
+        if session_id:
+            payload["sessionId"] = session_id
+        self.ws.send(json.dumps(payload))
+        while True:
+            msg = json.loads(self.ws.recv())
+            if msg.get("id") != msg_id:
+                continue  # an event notification, not our reply -- ignore
+            if "error" in msg:
+                raise CDPError(f"{method}: {msg['error']}")
+            return msg.get("result", {})
+
+    def close(self) -> None:
+        self.ws.close()
+
+
+def scrape_reels(user: str, cdp_port: int = 9222,
+                 scroll_pause: tuple[float, float] = DEFAULT_SCROLL_PAUSE,
+                 max_idle_rounds: int = DEFAULT_MAX_IDLE_ROUNDS,
+                 max_scrolls: int = DEFAULT_MAX_SCROLLS,
+                 log=lambda msg: None) -> list[str]:
+    """
+    Open the profile's reels tab in a NEW tab of the already-signed-in Chrome,
+    scroll it to the bottom repeatedly, and collect every unique `/reel/`
+    shortcode that appears. Closes the tab when done either way.
+    """
+    version = json.loads(urlopen(f"http://localhost:{cdp_port}/json/version",
+                                 timeout=10).read())
+    browser = CDP(version["webSocketDebuggerUrl"])
+    target_id = None
+    try:
+        target = browser.send("Target.createTarget", {
+            "url": f"https://www.instagram.com/{user}/reels/"})
+        target_id = target["targetId"]
+        attach = browser.send("Target.attachToTarget", {
+            "targetId": target_id, "flatten": True})
+        session_id = attach["sessionId"]
+        browser.send("Page.enable", session_id=session_id)
+        browser.send("Runtime.enable", session_id=session_id)
+
+        time.sleep(4.0)  # initial page load, before the first scroll
+
+        seen: set[str] = set()
+        idle = 0
+        for i in range(max_scrolls):
+            result = browser.send(
+                "Runtime.evaluate",
+                {"expression": SCRAPE_JS, "returnByValue": True},
+                session_id=session_id)
+            hrefs = result.get("result", {}).get("value") or []
+            codes = extract_shortcodes(hrefs)
+            new = [c for c in codes if c not in seen]
+            seen.update(new)
+            log(f"  scroll {i + 1}: {len(seen)} unique reels so far (+{len(new)})")
+
+            if new:
+                idle = 0
+            else:
+                idle += 1
+                if idle >= max_idle_rounds:
+                    break
+
+            time.sleep(random.uniform(*scroll_pause))
+
+        return sorted(seen)
+    finally:
+        if target_id:
+            try:
+                browser.send("Target.closeTarget", {"targetId": target_id})
+            except CDPError:
+                pass  # best-effort cleanup; a leftover tab is harmless
+        browser.close()
+
+
+def main() -> int:
+    ap = argparse.ArgumentParser(description=__doc__,
+                                 formatter_class=argparse.RawDescriptionHelpFormatter)
+    ap.add_argument("--profile", required=True,
+                    help="Instagram username to scrape reels for")
+    ap.add_argument("--index", required=True,
+                    help="existing archive listing, same as gdl-sync.py's "
+                         "--index: a local root, or the viewer's base URL. "
+                         "Used only to dedupe -- already-archived shortcodes "
+                         "are dropped before anything is printed")
+    ap.add_argument("--cdp-port", type=int, default=9222,
+                    help="Chrome's loopback DevTools port (see TOOLING.md)")
+    ap.add_argument("--scroll-pause", nargs=2, type=float,
+                    default=list(DEFAULT_SCROLL_PAUSE), metavar=("MIN", "MAX"),
+                    help="random pause between scrolls, seconds")
+    ap.add_argument("--max-idle-rounds", type=int, default=DEFAULT_MAX_IDLE_ROUNDS,
+                    help="stop after this many consecutive scrolls with no "
+                         "new reels")
+    ap.add_argument("--max-scrolls", type=int, default=DEFAULT_MAX_SCROLLS,
+                    help="hard ceiling on scroll rounds, in case a page never "
+                         "goes idle")
+    ap.add_argument("--out", type=Path,
+                    help="write new reel URLs here, one per line (default: "
+                         "stdout)")
+    args = ap.parse_args()
+
+    import importlib.util
+    spec = importlib.util.spec_from_file_location(
+        "gdl_sync", Path(__file__).with_name("gdl-sync.py"))
+    gdl = importlib.util.module_from_spec(spec)
+    sys.modules["gdl_sync"] = gdl
+    spec.loader.exec_module(gdl)
+
+    index = gdl.ArchiveIndex(args.index)
+    # Deduped against the WHOLE archive, not just this profile's own
+    # directories: a shortcode is globally unique, and a reels tab commonly
+    # surfaces reposts/collabs by OTHER tracked accounts. Missing that let a
+    # 2026-08-27 run re-fetch 9 reels already held under their true owner's
+    # directory -- gallery-dl filed them correctly there (by the post's real
+    # `username`, not the scraped profile), so nothing was lost, but it spent
+    # 9 avoidable Instagram requests to find that out. All of this is local
+    # requests to our own viewer, never to instagram.com, so checking every
+    # profile costs nothing on the budget that actually matters.
+    profiles = index.profiles()
+    have: set[str] = set()
+    for profile in profiles:
+        have.update(code for code, _ in gdl.index_existing(index.listing(profile)))
+    print(f"archive already holds {len(have)} shortcode(s) across "
+          f"{len(profiles)} profile(s)", file=sys.stderr)
+
+    print(f"scraping https://www.instagram.com/{args.profile}/reels/ ...",
+          file=sys.stderr)
+    codes = scrape_reels(args.profile, cdp_port=args.cdp_port,
+                        scroll_pause=tuple(args.scroll_pause),
+                        max_idle_rounds=args.max_idle_rounds,
+                        max_scrolls=args.max_scrolls,
+                        log=lambda msg: print(msg, file=sys.stderr))
+
+    new_codes = [c for c in codes if c not in have]
+    print(f"found {len(codes)} reel(s) on the page, {len(codes) - len(new_codes)} "
+          f"already archived, {len(new_codes)} new", file=sys.stderr)
+
+    urls = [f"https://www.instagram.com/{args.profile}/reel/{c}/"
+            for c in new_codes]
+    text = "\n".join(urls)
+    if args.out:
+        args.out.write_text(text + ("\n" if text else ""))
+        print(f"wrote {len(urls)} URL(s) to {args.out}", file=sys.stderr)
+    else:
+        if text:
+            print(text)
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())

scripts/reels-sync.sh

@@ -0,0 +1,114 @@
+#!/bin/bash
+# The full reels pipeline for one profile: scrape by scrolling the real page,
+# then fetch and publish whatever's new. See TOOLING.md ("Reels: the API is
+# blocked, scrape by scrolling instead") for why this exists at all -- the
+# dedicated reels API is blocked, this drives the actual signed-in browser
+# session instead, and is slower by design.
+#
+# Usage: ./reels-sync.sh <username-or-profile-url>
+#   ./reels-sync.sh zindoriyam
+#   ./reels-sync.sh https://www.instagram.com/zindoriyam/
+#
+# Deliberately NOT wired into gdl-cron.sh or the timers -- see TOOLING.md.
+# Exits non-zero if either step does. Everything is logged.
+set -eu
+
+RAW="${1:?usage: reels-sync.sh <username-or-profile-url>}"
+
+GDL_HOME="${GDL_HOME:-$HOME/gdl}"
+GDL_PYTHON="${GDL_PYTHON:-$HOME/.local/share/pipx/venvs/gallery-dl/bin/python3}"
+INDEX="${GDL_INDEX:-https://instaarchive.ergosteur.com}"
+PUBLISH="${GDL_PUBLISH:-agentapi@10.20.28.200:/volume1/rslsync/sync/Instagram-archive/archives/}"
+
+# Same hand-paced pacing gdl-cron.sh uses -- see its comment for why. Override
+# per-run with GDL_SLEEP_REQUEST etc. if you ever need to, but raise them
+# rather than lower them.
+SLEEP_REQUEST="${GDL_SLEEP_REQUEST:-12 20}"
+SLEEP="${GDL_SLEEP:-5 10}"
+RATE="${GDL_RATE:-500K}"
+SCROLL_PAUSE="${GDL_SCROLL_PAUSE:-2.0 3.5}"
+MAX_IDLE_ROUNDS="${GDL_MAX_IDLE_ROUNDS:-3}"
+
+PATH="$HOME/.local/bin:$PATH"; export PATH
+
+if [ ! -x "$GDL_PYTHON" ]; then
+  echo "reels-scrape.py needs gallery-dl's own pipx venv python (websocket-client" >&2
+  echo "was injected there, not into the system python): $GDL_PYTHON not found" >&2
+  exit 2
+fi
+
+# Same username-from-URL parsing gdl-sync.py already does for --urls-file,
+# reused rather than re-implemented so the two never drift apart.
+PROFILE=$("$GDL_PYTHON" -c "
+import re, sys, importlib.util
+from pathlib import Path
+spec = importlib.util.spec_from_file_location('gdl_sync', Path('$GDL_HOME/gdl-sync.py'))
+gdl = importlib.util.module_from_spec(spec)
+sys.modules['gdl_sync'] = gdl
+spec.loader.exec_module(gdl)
+raw = '$RAW'
+m = gdl.RE_PROFILE_URL.match(raw)
+user = m.group('user') if m else raw.strip('/')
+if not user or '/' in user or ' ' in user:
+    print(f'cannot read a username from {raw!r}', file=sys.stderr)
+    sys.exit(1)
+print(user)
+")
+
+mkdir -p "$GDL_HOME/logs"
+LOG="$GDL_HOME/logs/reels-$PROFILE-$(date +%Y%m%d-%H%M%S)-$$.log"
+URLS_FILE="$GDL_HOME/$PROFILE-reels.txt"
+STAGING="$GDL_HOME/staging-reels-$PROFILE"
+
+echo "=== reels-sync $PROFILE $(date -Is) ===" | tee -a "$LOG"
+
+# The exit status has to survive the pipe into tee -- see gdl-cron.sh's
+# comment on PIPESTATUS for why this needs to be bash, not sh.
+set +e
+"$GDL_PYTHON" "$GDL_HOME/reels-scrape.py" \
+    --profile "$PROFILE" \
+    --index "$INDEX" \
+    --scroll-pause $SCROLL_PAUSE \
+    --max-idle-rounds "$MAX_IDLE_ROUNDS" \
+    --out "$URLS_FILE" 2>&1 | tee -a "$LOG"
+scrape_status=${PIPESTATUS[0]}
+set -e
+
+if [ "$scrape_status" -ne 0 ]; then
+  echo "=== exit $scrape_status (scrape failed) at $(date -Is) ===" | tee -a "$LOG"
+  exit "$scrape_status"
+fi
+
+if [ ! -s "$URLS_FILE" ]; then
+  echo "no new reels for $PROFILE; nothing to fetch" | tee -a "$LOG"
+  echo "=== exit 0 at $(date -Is) ===" | tee -a "$LOG"
+  exit 0
+fi
+
+# Staging is wiped every run on purpose -- same reasoning as gdl-cron.sh: what
+# we already hold is decided by the archive dedupe in reels-scrape.py, not by
+# what happens to be sitting in staging.
+rm -rf "$STAGING"
+
+set +e
+# shellcheck disable=SC2086
+"$GDL_HOME/gdl-sync.py" \
+    --publish "$PUBLISH" \
+    --staging "$STAGING" \
+    --post-urls-file "$URLS_FILE" \
+    --sleep-request $SLEEP_REQUEST \
+    --sleep $SLEEP \
+    --rate "$RATE" \
+    --execute 2>&1 | tee -a "$LOG"
+status=${PIPESTATUS[0]}
+set -e
+
+echo "=== exit $status at $(date -Is) ===" | tee -a "$LOG"
+
+# Keep the log directory from growing without bound -- scoped to this
+# script's own logs so it never touches gdl-cron.sh's rotation.
+ls -1t "$GDL_HOME/logs" | grep '^reels-' | tail -n +30 | while read -r old; do
+  rm -f "$GDL_HOME/logs/$old"
+done
+
+exit "$status"

scripts/systemd/gdl-sync@.service

@@ -0,0 +1,16 @@
+[Unit]
+# One templated service for all three modes; the instance name (%i) is the
+# mode: stories, full or sweep.
+Description=Instagram archive sync (%i)
+Documentation=file:%h/gdl/TOOLING.md
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=%h/gdl/gdl-cron.sh %i
+# A sync has no deadline and the pacing is deliberately slow; a full sweep can
+# run for hours. Never let systemd kill one midway -- a half-published run is
+# the one state the publish step is designed to avoid.
+TimeoutStartSec=infinity
+Nice=10

scripts/systemd/gdl-sync@full-sweep.timer

@@ -0,0 +1,18 @@
+[Unit]
+Description=Full Instagram archive sweep, no abort (~420 requests)
+# The only run that enumerates every profile to the end, and so the only one
+# that notices carousels edited after we archived them (test case 15).
+#
+# It is also by far the most expensive thing here: ~420 requests to
+# instagram.com, the same order as the run that preceded the 2026-08-21
+# scraping warning, spent to catch a handful of retroactively edited posts.
+# Consider running it by hand when you mean to, rather than on a timer.
+
+[Timer]
+# Month names are not valid in OnCalendar's date field -- numeric only.
+OnCalendar=*-01,04,07,10-07 04:00:00
+RandomizedDelaySec=45m
+Persistent=true
+
+[Install]
+WantedBy=timers.target

scripts/systemd/gdl-sync@profiles.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Monthly Instagram profile sync (all surfaces, --abort 50)
+
+[Timer]
+OnCalendar=*-*-03 04:00:00
+RandomizedDelaySec=45m
+Persistent=true
+
+[Install]
+WantedBy=timers.target

scripts/systemd/gdl-sync@stories.timer

@@ -0,0 +1,15 @@
+[Unit]
+Description=Daily Instagram stories sync
+# Stories expire in 24h and cannot be backfilled. This is the only timer whose
+# missed run means content is gone for good, which is what Persistent= is for.
+
+[Timer]
+OnCalendar=*-*-* 09:00:00
+# Not a fixed time: a job firing at exactly 09:00 every day is obviously a
+# machine, and the whole safety model is about not looking like one.
+RandomizedDelaySec=45m
+# Catch up after the host was asleep or off. cron would silently skip.
+Persistent=true
+
+[Install]
+WantedBy=timers.target

scripts/test_gdl_sync.py

@@ -0,0 +1,303 @@
+#!/usr/bin/env python3
+"""
+Tests for the request-budget logic in gdl-sync.py.
+
+    python3 -m unittest discover -s scripts -p 'test_*.py'
+
+Deliberately stdlib-only, so it runs anywhere the sync itself runs. What is
+covered here is the part that decides whether to spend a request — the part
+whose absence got the archive's Instagram account suspended.
+"""
+
+import datetime as dt
+import importlib.util
+import json
+import sys
+import tempfile
+import unittest
+from pathlib import Path
+
+_spec = importlib.util.spec_from_file_location(
+    "gdl_sync", Path(__file__).with_name("gdl-sync.py"))
+gdl = importlib.util.module_from_spec(_spec)
+sys.modules["gdl_sync"] = gdl
+_spec.loader.exec_module(gdl)
+
+NOW = dt.datetime(2026, 8, 18, 12, 0, tzinfo=dt.timezone.utc)
+NOW_TS = NOW.timestamp()
+
+
+def ago(hours: float) -> str:
+    return (NOW - dt.timedelta(hours=hours)).isoformat()
+
+
+class SourceSelection(unittest.TestCase):
+    def test_only_stories_is_a_single_cheap_source(self):
+        srcs = gdl.Profile("u").sources(gdl.STORIES_ONLY)
+        self.assertEqual([s.kind for s in srcs], ["stories"])
+        self.assertEqual(srcs[0].directory, "story - u")
+
+    def test_full_sync_covers_every_surface(self):
+        srcs = gdl.Profile("u").sources(set(gdl.ALL_KINDS))
+        self.assertEqual([s.kind for s in srcs], list(gdl.ALL_KINDS))
+
+    def test_reels_and_stories_go_to_their_own_directories(self):
+        by_kind = {s.kind: s for s in gdl.Profile("u").sources(set(gdl.ALL_KINDS))}
+        self.assertEqual(by_kind["posts"].directory, "u")
+        self.assertEqual(by_kind["reels"].directory, "u - reels")
+        # Highlights derive their directory from the title mid-extraction.
+        self.assertEqual(by_kind["highlights"].directory, "")
+
+
+class PlanSource(unittest.TestCase):
+    def setUp(self):
+        self.tmp = tempfile.TemporaryDirectory()
+        self.state = gdl.SyncState(Path(self.tmp.name) / "state.json")
+        self.posts = gdl.Profile("u").sources({"posts"})[0]
+        self.stories = gdl.Profile("u").sources({"stories"})[0]
+
+    def tearDown(self):
+        self.tmp.cleanup()
+
+    def test_first_run_seeds(self):
+        fetch, seed, _ = gdl.plan_source(self.posts, self.state, NOW_TS, 20)
+        self.assertTrue(fetch)
+        self.assertTrue(seed)
+
+    def test_seeding_happens_only_once(self):
+        self.state.mark_seeded(self.posts.url, ago(720))
+        fetch, seed, reason = gdl.plan_source(self.posts, self.state, NOW_TS, 20)
+        self.assertTrue(fetch)
+        self.assertFalse(seed, "a seeded source must never be re-probed")
+        self.assertIn("already seeded", reason)
+
+    def test_stories_never_seed(self):
+        # A story cannot be in the archive before it is fetched, so probing
+        # would double the cost of the cheapest surface for no benefit.
+        _, seed, reason = gdl.plan_source(self.stories, self.state, NOW_TS, 20)
+        self.assertFalse(seed)
+        self.assertIn("no seed", reason)
+
+    def test_recent_fetch_is_refused(self):
+        self.state.mark_fetched(self.posts.url, ago(3))
+        fetch, _, reason = gdl.plan_source(self.posts, self.state, NOW_TS, 20)
+        self.assertFalse(fetch)
+        self.assertIn("under the", reason)
+
+    def test_an_old_fetch_is_allowed_again(self):
+        self.state.mark_fetched(self.posts.url, ago(30))
+        fetch, _, _ = gdl.plan_source(self.posts, self.state, NOW_TS, 20)
+        self.assertTrue(fetch)
+
+    def test_daily_stories_pass_a_20h_floor(self):
+        # The cadence this is built for: once a day, every day.
+        self.state.mark_fetched(self.stories.url, ago(24))
+        fetch, _, _ = gdl.plan_source(self.stories, self.state, NOW_TS, 20)
+        self.assertTrue(fetch)
+
+    def test_force_disables_the_floor(self):
+        self.state.mark_fetched(self.posts.url, ago(1))
+        fetch, _, _ = gdl.plan_source(self.posts, self.state, NOW_TS, 0.0)
+        self.assertTrue(fetch)
+
+    def test_the_aborted_run_scenario(self):
+        """
+        Yesterday's failure: a run died mid-way and the restart re-enumerated
+        every profile. Seeded-but-not-fetched must not re-probe.
+        """
+        self.state.mark_seeded(self.posts.url, ago(0.5))
+        fetch, seed, _ = gdl.plan_source(self.posts, self.state, NOW_TS, 20)
+        self.assertTrue(fetch, "the fetch still needs to happen")
+        self.assertFalse(seed, "but the listing pass must not be paid for twice")
+
+
+class StatePersistence(unittest.TestCase):
+    def test_state_survives_a_reload(self):
+        with tempfile.TemporaryDirectory() as d:
+            path = Path(d) / "state.json"
+            a = gdl.SyncState(path)
+            a.mark_seeded("https://x/", ago(1))
+            a.mark_fetched("https://x/", ago(1))
+            a.save()
+            b = gdl.SyncState(path)
+            self.assertFalse(b.needs_seed("https://x/"))
+            self.assertEqual(b.last_fetch("https://x/"), ago(1))
+
+    def test_a_corrupt_state_file_never_blocks_a_sync(self):
+        with tempfile.TemporaryDirectory() as d:
+            path = Path(d) / "state.json"
+            path.write_text("{ not json")
+            self.assertTrue(gdl.SyncState(path).needs_seed("https://x/"))
+
+
+class ProbeCaching(unittest.TestCase):
+    def test_fresh_entries_are_reused_and_stale_ones_are_not(self):
+        with tempfile.TemporaryDirectory() as d:
+            cache = gdl.ProbeCache(Path(d) / "p.json", ttl_hours=24)
+            cache.put("https://x/", [{"shortcode": "A", "post_shortcode": "A",
+                                      "num": 1, "media_id": "1"}], ago(1))
+            self.assertEqual(len(cache.get("https://x/", NOW_TS)), 1)
+
+            cache.put("https://y/", [{"shortcode": "B", "post_shortcode": "B",
+                                      "num": 1, "media_id": "2"}], ago(48))
+            self.assertIsNone(cache.get("https://y/", NOW_TS))
+
+    def test_cache_keeps_only_the_fields_seeding_needs(self):
+        with tempfile.TemporaryDirectory() as d:
+            path = Path(d) / "p.json"
+            cache = gdl.ProbeCache(path, ttl_hours=24)
+            cache.put("https://x/", [{"shortcode": "A", "post_shortcode": "A",
+                                      "num": 1, "media_id": "1",
+                                      "description": "x" * 5000}], ago(0))
+            cache.save()
+            self.assertNotIn("description", path.read_text())
+
+    def test_a_miss_is_reported_rather_than_guessed(self):
+        with tempfile.TemporaryDirectory() as d:
+            cache = gdl.ProbeCache(Path(d) / "p.json", ttl_hours=24)
+            self.assertIsNone(cache.get("https://never-seen/", NOW_TS))
+
+
+class Seeding(unittest.TestCase):
+    """The bug that seeded 5 of 2275: matching the wrong shortcode field."""
+
+    def test_posts_are_keyed_by_post_shortcode(self):
+        item = {"shortcode": "childcode", "post_shortcode": "POSTCODE",
+                "num": 2, "media_id": "9"}
+        self.assertEqual(gdl.live_key(item, "posts"), ("POSTCODE", 2))
+
+    def test_stories_are_keyed_by_the_per_item_shortcode(self):
+        item = {"shortcode": "ITEMCODE", "post_shortcode": "reelid",
+                "num": 3, "media_id": "9"}
+        self.assertEqual(gdl.live_key(item, "stories"), ("ITEMCODE", 1))
+        self.assertEqual(gdl.live_key(item, "highlights"), ("ITEMCODE", 1))
+
+    def test_index_existing_normalises_a_missing_index_to_one(self):
+        held = gdl.index_existing([
+            "u/2023-04-19_u - ABC.mp4",
+            "u/2023-04-12_u - DEF - 3.jpg",
+            "u/2023-04-12_u - DEF.txt",      # sidecars are not media
+            "u/2023-04-12_u - DEF.json",
+        ])
+        self.assertEqual(held, {("ABC", 1), ("DEF", 3)})
+
+    def test_seeding_marks_only_what_is_already_held(self):
+        with tempfile.TemporaryDirectory() as d:
+            db = Path(d) / "a.db"
+            live = [
+                {"post_shortcode": "HELD", "shortcode": "x", "num": 1, "media_id": "11"},
+                {"post_shortcode": "NEW", "shortcode": "y", "num": 1, "media_id": "22"},
+            ]
+            n = gdl.seed_archive_db(db, {("HELD", 1)}, live, "posts")
+            self.assertEqual(n, 1)
+            import sqlite3
+            rows = {r[0] for r in sqlite3.connect(db).execute(
+                "SELECT entry FROM archive")}
+            self.assertEqual(rows, {"instagram11"})
+
+
+class Publishing(unittest.TestCase):
+    def test_publish_only_ever_adds(self):
+        cmd = gdl.rsync_command(Path("/stage"), "host:/archives", dry_run=False)
+        self.assertIn("--ignore-existing", cmd)
+        self.assertNotIn("--delete", cmd)
+
+    def test_tooling_files_are_excluded_from_the_archive(self):
+        cmd = " ".join(gdl.rsync_command(Path("/stage"), "/dest", dry_run=True))
+        for pattern in ("gdl-sync*.json", "*.db"):
+            self.assertIn(pattern, cmd)
+        self.assertIn("--dry-run", cmd)
+
+
+class PostUrl(unittest.TestCase):
+    """--post-url: a one-off fetch outside the tracked profile list, whose
+    owning account is only known mid-extraction -- same reasoning as
+    highlights, so it must be exempted from the same forced-destination rule."""
+
+    def test_config_keys_a_username_directory(self):
+        config = gdl.build_config("1M", [6.0, 10.0], [3.0, 6.0])
+        for kind in ("post", "reel"):
+            self.assertEqual(
+                config["extractor"]["instagram"][kind]["directory"],
+                ["{username}"])
+
+    def test_destination_is_not_forced_like_posts_and_reels(self):
+        staging = Path("/stage")
+        for subcategory in ("post", "reel"):
+            src = gdl.Source(subcategory, "https://www.instagram.com/p/ABC/",
+                             "", subcategory)
+            cmd = gdl.gdl_command(src, staging, Path("/cfg.json"), "chrome:x",
+                                  None)
+            self.assertIn(str(staging), cmd)
+            self.assertNotIn(str(staging / subcategory), cmd)
+
+
+class MetadataFields(unittest.TestCase):
+    """Extra fields captured from the raw API response, verified against two
+    saved real examples on 2026-09-01 (see docs/gallery-dl.md)."""
+
+    def test_post_level_json_captures_coauthors(self):
+        config = gdl.build_config("1M", [6.0, 10.0], [3.0, 6.0])
+        pps = config["extractor"]["instagram"]["posts"]["postprocessors"]
+        post_json = next(pp for pp in pps if pp.get("filename", "").endswith(".json"))
+        self.assertIn("coauthors", post_json["include"])
+
+    def test_per_item_dimensions_and_tags_get_their_own_sidecar(self):
+        config = gdl.build_config("1M", [6.0, 10.0], [3.0, 6.0])
+        pps = config["extractor"]["instagram"]["posts"]["postprocessors"]
+        # No "filename" of its own -- unlike the other two, which are keyed
+        # by POST_STEM -- because it must vary per carousel item, not per post.
+        media_pp = next(pp for pp in pps if "filename" not in pp)
+        for field in ("width", "height", "width_original", "height_original",
+                      "tagged_users", "shortcode", "num"):
+            self.assertIn(field, media_pp["include"])
+        # `owner` is a full user object (profile pic URLs, privacy flags) for
+        # whoever posted that item -- deliberately excluded, same reasoning
+        # as `audio_user` on the post-level json.
+        self.assertNotIn("owner", media_pp["include"])
+
+    def test_reels_get_the_same_capture_as_posts(self):
+        config = gdl.build_config("1M", [6.0, 10.0], [3.0, 6.0])
+        posts_pps = config["extractor"]["instagram"]["posts"]["postprocessors"]
+        reels_pps = config["extractor"]["instagram"]["reels"]["postprocessors"]
+        self.assertEqual(posts_pps, reels_pps)
+
+
+class UrlsFile(unittest.TestCase):
+    def test_reads_every_form_a_person_might_paste(self):
+        with tempfile.TemporaryDirectory() as d:
+            p = Path(d) / "urls.txt"
+            p.write_text(
+                "# comment\n"
+                "https://www.instagram.com/a/\n"
+                "https://instagram.com/b\n"
+                "www.instagram.com/c/\n"
+                "d\n"
+                "  e   # trailing\n"
+                "\n"
+                "https://www.instagram.com/a/\n"        # duplicate
+                "https://www.instagram.com/p/ABC123/\n" # a post, not a profile
+                "not a username\n")
+            self.assertEqual(gdl.read_urls_file(p), ["a", "b", "c", "d", "e"])
+
+
+class PostUrlsFile(unittest.TestCase):
+    """The format reels-scrape.py writes: whole URLs, not usernames."""
+
+    def test_skips_comments_blanks_and_duplicates(self):
+        with tempfile.TemporaryDirectory() as d:
+            p = Path(d) / "reels.txt"
+            p.write_text(
+                "# scraped 2026-08-27\n"
+                "https://www.instagram.com/u/reel/AAA/\n"
+                "\n"
+                "https://www.instagram.com/u/reel/BBB/\n"
+                "https://www.instagram.com/u/reel/AAA/\n")  # duplicate
+            self.assertEqual(gdl.read_post_urls_file(p), [
+                "https://www.instagram.com/u/reel/AAA/",
+                "https://www.instagram.com/u/reel/BBB/",
+            ])
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)

scripts/test_reels_scrape.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+"""
+Tests for the pure parts of reels-scrape.py -- everything except the actual
+CDP session, which needs a live signed-in Chrome and is exercised by hand.
+
+    python3 -m unittest discover -s scripts -p 'test_*.py'
+"""
+
+import importlib.util
+import sys
+import unittest
+from pathlib import Path
+
+_spec = importlib.util.spec_from_file_location(
+    "reels_scrape", Path(__file__).with_name("reels-scrape.py"))
+scrape = importlib.util.module_from_spec(_spec)
+sys.modules["reels_scrape"] = scrape
+_spec.loader.exec_module(scrape)
+
+
+class ExtractShortcodes(unittest.TestCase):
+    def test_reads_relative_and_absolute_hrefs(self):
+        hrefs = [
+            "/someuser/reel/ABC123/",
+            "https://www.instagram.com/someuser/reel/DEF456/",
+            "/reel/GHI789/?img_index=1",
+        ]
+        self.assertEqual(scrape.extract_shortcodes(hrefs),
+                         ["ABC123", "DEF456", "GHI789"])
+
+    def test_ignores_non_reel_links(self):
+        hrefs = ["/someuser/", "/someuser/p/ABC123/", "/explore/tags/foo/"]
+        self.assertEqual(scrape.extract_shortcodes(hrefs), [])
+
+    def test_empty_input(self):
+        self.assertEqual(scrape.extract_shortcodes([]), [])
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)

server.ts

@@ -80,10 +80,16 @@ app.use((req, res, next) => {
     "default-src 'self'",
     "img-src 'self' blob: data:",
     "media-src 'self' blob: data:",
-    "script-src 'self'",
+    // 'wasm-unsafe-eval' permits WebAssembly compilation without allowing
+    // eval() of JavaScript. The xz decompressor used for Instaloader's
+    // .json.xz sidecars is WebAssembly, embedded as a data: URL it fetches at
+    // startup — so connect-src must allow data: too. Without both, decoding
+    // fails with a bare "TypeError: Failed to fetch" and every archive silently
+    // loses its captions, story flags and profile metadata.
+    "script-src 'self' 'wasm-unsafe-eval'",
     "style-src 'self' 'unsafe-inline'",
     "font-src 'self'",
-    "connect-src 'self'",
+    "connect-src 'self' data:",
     "worker-src 'self' blob:",
     "frame-ancestors 'self'",
     "object-src 'none'",

src/App.tsx

@@ -19,6 +19,7 @@ import { motion, AnimatePresence } from 'motion/react';
 import { cn } from './lib/utils';
 import { PRESS, prefersReducedMotion } from './lib/motion';
 import { buildPath, findPostBySlug, parseRoute, postSlug, tabForSource } from './lib/routing';
+import { postsForTab } from './lib/post-tabs';
 import { LocalArchiveFile, RemoteArchiveFile } from './lib/archive-files';
 import {
   deleteCachedArchive,
@@ -172,20 +173,18 @@ export default function App() {
   const clearCache = async (name: string) => { await deleteCachedArchive(name); await refreshCachedArchives(); };
 
   /**
-   * Archives with a `- reels` sidecar directory say outright which posts are
-   * reels; only fall back to the "lone video" heuristic for archives that have
-   * no such directory.
+   * The grid shows everything, reels included, and the Reels tab is a filtered
+   * view of the same set — see src/lib/post-tabs.ts for the reel test and for
+   * why a reel can arrive on disk twice.
    */
-  const hasReelSource = useMemo(() => allPosts.some(p => p.source === 'reels'), [allPosts]);
-  const isReel = useCallback((p: Post) => (
-    hasReelSource ? p.source === 'reels' : p.media.length === 1 && p.media[0].type === 'video'
-  ), [hasReelSource]);
+  const filteredPosts = useMemo(() => postsForTab(allPosts, activeTab), [allPosts, activeTab]);
 
-  const filteredPosts = useMemo(() => {
-    if (activeTab === 'reels') return allPosts.filter(isReel);
-    if (activeTab === 'posts') return allPosts.filter(p => !isReel(p));
-    return [];
-  }, [allPosts, activeTab, isReel]);
+  /**
+   * Instagram's "N posts" counter equals what its grid holds, so count the grid
+   * rather than `allPosts` — the raw list still holds both copies of any post
+   * fetched into two directories.
+   */
+  const totalPosts = useMemo(() => postsForTab(allPosts, 'posts').length, [allPosts]);
 
   /** Story highlights, grouped into the circles shown under the bio. */
   const highlightGroups = useMemo(() => {
@@ -527,7 +526,7 @@ export default function App() {
                     {allProfilePics.length > 1 && <button onClick={cycleProfilePic} className="bg-gray-100 hover:bg-gray-200 px-4 py-1.5 rounded-lg text-sm font-semibold transition-colors flex items-center gap-2 text-black"><Layers size={16} />Next Profile Pic</button>}
                   </div>
                 </div>
-                <div className="flex justify-center md:justify-start gap-10 text-sm md:text-base text-black"><div><span className="font-semibold text-black/80 text-black">{allPosts.length}</span> posts</div><div><span className="font-semibold text-black/80 text-black">{(followerCount || 0).toLocaleString()}</span> followers</div><div><span className="font-semibold text-black/80 text-black">{(followingCount || 0).toLocaleString()}</span> following</div></div>
+                <div className="flex justify-center md:justify-start gap-10 text-sm md:text-base text-black"><div><span className="font-semibold text-black/80 text-black">{totalPosts.toLocaleString()}</span> posts</div><div><span className="font-semibold text-black/80 text-black">{(followerCount || 0).toLocaleString()}</span> followers</div><div><span className="font-semibold text-black/80 text-black">{(followingCount || 0).toLocaleString()}</span> following</div></div>
                 <div className="space-y-1 text-black/80 text-black"><div className="font-semibold text-black">{fullName || `@${username}`}</div><div className="text-gray-600 whitespace-pre-wrap max-w-sm mx-auto md:mx-0 text-sm md:text-base text-black">{bio || 'Archived profile viewer for local files.'}</div>{externalUrl && <a href={externalUrl} target="_blank" rel="noopener noreferrer" className="text-blue-900 font-semibold text-sm block hover:underline truncate max-w-[250px] text-black">{externalUrl.replace(/^https?:\/\/(www\.)?/, '')}</a>}</div>
               </div>
             </header>
@@ -632,7 +631,7 @@ export default function App() {
       {!isScanning && (
         <footer className="max-w-5xl mx-auto px-4 py-12 text-center text-xs text-gray-400 space-y-4 text-black">
           <div className="flex flex-wrap justify-center gap-x-4 gap-y-2 uppercase tracking-tight text-black"><span>Meta</span><span>About</span><span>Blog</span><span>Jobs</span><span>Help</span><span>API</span><span>Privacy</span><span>Terms</span><span>Locations</span><span>Instagram Lite</span><span>Threads</span><span>Contact Uploading & Non-Users</span><span>Meta Verified</span></div>
-          <div className="text-black/40 text-black">© 2026 InstaArchive Viewer</div>
+          <div className="text-black/40 text-black">© 2026 InstaArchive Viewer · v{__APP_VERSION__}</div>
         </footer>
       )}
     </div>

src/hooks/useArchiveScanner.ts

@@ -4,6 +4,8 @@ import { XzReadableStream } from 'xz-decompress';
 import { ArchiveFile, CacheData, Post, ServerArchive } from '../types';
 import { setCachedArchive, getDirectoryHandle } from '../lib/archive-cache';
 import { parseArchiveFilename, scopedPostId, EXPORT_RE, INSTALOADER_RE } from '../lib/archive-patterns';
+import { isGalleryDlSidecar, sidecarDate, sidecarIsReel } from '../lib/gallery-dl-sidecar';
+import { DateSource, shouldReplaceDate } from '../lib/post-dates';
 
 const hasDirectoryHandle = async (name: string) => Boolean(await getDirectoryHandle(name));
 
@@ -142,6 +144,17 @@ export const useArchiveScanner = (
 
     try {
       const postsMap = new Map<string, Partial<Post>>();
+      /**
+       * Which source supplied each post's date, so a better one can replace it.
+       * Sidecar beats filename beats mtime — see src/lib/post-dates.ts.
+       */
+      const dateSources = new Map<string, DateSource>();
+      const applyDate = (postId: string, post: Partial<Post>, date: string, source: DateSource) => {
+        const current = post.date ? { date: post.date, source: dateSources.get(postId) ?? 'mtime' } : undefined;
+        if (!shouldReplaceDate(current, { date, source })) return;
+        post.date = date;
+        dateSources.set(postId, source);
+      };
       const mediaFilesMap = new Map<string, ArchiveFile>();
       const discoveredProfilePics: { name: string, url: string }[] = [];
       const allImageFiles: ArchiveFile[] = [];
@@ -300,13 +313,26 @@ export const useArchiveScanner = (
             }
             else if (isStory) post.isStory = true;
 
+            // Files describing one post are scanned in directory order, not in
+            // order of trustworthiness, so every date goes through the ranking
+            // in post-dates.ts rather than last-write-wins.
+            applyDate(postId, post, date, parsed.dateFromMtime ? 'mtime' : 'filename');
+
             const lowerExt = ext.toLowerCase();
             if (lowerExt === 'txt') {
               try { post.caption = await file.text(); } catch(e) {}
             } else if (lowerExt === 'json' || lowerName.endsWith('.json.xz')) {
               try {
                 const data = lowerName.endsWith('.xz') ? await parseXZFile(file) : JSON.parse(await file.text());
-                if (data) {
+                if (isGalleryDlSidecar(data)) {
+                  // The only format that states what a post is rather than
+                  // leaving it to be inferred from filenames.
+                  if (data.description) post.caption = data.description;
+                  const reel = sidecarIsReel(data);
+                  if (reel !== undefined) post.isReel = reel;
+                  if (data.type === 'story') post.isStory = true;
+                  applyDate(postId, post, sidecarDate(data), 'sidecar');
+                } else if (data) {
                   const node = data.node || data; const iphone = node.iphone_struct || {};
                   const captionText = node.edge_media_to_caption?.edges?.[0]?.node?.text || node.caption?.text || iphone.caption?.text || '';
                   if (captionText) post.caption = captionText;

src/lib/archive-patterns.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import { parseArchiveFilename, scopedPostId } from './archive-patterns';
+import { canonicalItemId, parseArchiveFilename, scopedPostId } from './archive-patterns';
 
 describe('parseArchiveFilename — Instagram export format', () => {
   it('parses a single-image post', () => {
@@ -10,6 +10,7 @@ describe('parseArchiveFilename — Instagram export format', () => {
       index: 1,
       ext: 'mp4',
       isStory: false,
+      dateFromMtime: false,
     });
   });
 
@@ -116,3 +117,111 @@ describe('scopedPostId', () => {
     expect(inPosts).not.toBe(inHighlight);
   });
 });
+
+/**
+ * gallery-dl is replacing JDownloader as the fetcher (docs/gallery-dl.md).
+ * Its naming differs cosmetically, and these cases pin down that the two
+ * interoperate so a mixed archive parses identically.
+ */
+describe('gallery-dl / JDownloader naming interop', () => {
+  it('treats a single-media post the same with or without an index', () => {
+    const jd2 = parseArchiveFilename('2023-04-19_4utumn07 - CrORBIcJJbM.mp4')!;
+    const gdl = parseArchiveFilename('2023-04-19_4utumn07 - CrORBIcJJbM - 1.mp4')!;
+    expect(jd2.postId).toBe(gdl.postId);
+    expect(jd2.index).toBe(gdl.index);
+    expect(jd2.index).toBe(1);
+  });
+
+  it('normalises zero-padded carousel indices', () => {
+    // JD2 pads to the width of the media count (10+ items -> "01"), and
+    // gallery-dl's count can be one higher, so the same post may be padded
+    // by one tool and not the other.
+    expect(parseArchiveFilename('2024-04-17_4utumn07 - C53YPQzp7Wj - 09.jpg')!.index).toBe(9);
+    expect(parseArchiveFilename('2024-04-17_4utumn07 - C53YPQzp7Wj - 9.jpg')!.index).toBe(9);
+    expect(parseArchiveFilename('2023-11-03_4utumn07 - CzM8Uf6B6H_ - 01.jpg')!.index).toBe(1);
+  });
+
+  it('reads a gallery-dl story name, which carries a per-item shortcode', () => {
+    const p = parseArchiveFilename('2026-08-16_official_band - DcF9OyhBJ1H.jpg', 'stories')!;
+    expect(p.postId).toBe('DcF9OyhBJ1H');
+    expect(p.date).toBe('2026-08-16');
+  });
+
+  it('gives a dated highlight a real date instead of the mtime fallback', () => {
+    const mtime = Date.parse('2026-08-17T00:00:00Z');
+    const undated = parseArchiveFilename('4utumn07 - C-IImhvpFuk.jpg', 'highlight', mtime)!;
+    const dated = parseArchiveFilename('2024-08-04_4utumn07 - C-IImhvpFuk.jpg', 'highlight', mtime)!;
+    // Same item either way, so re-fetching cannot split it into two posts.
+    expect(dated.postId).toBe(undated.postId);
+    expect(undated.date).toBe('2026-08-17');
+    expect(dated.date).toBe('2024-08-04');
+  });
+});
+
+/**
+ * Highlights are the only files with no date in the name, so they fall back to
+ * mtime — which is when the file was written, not when it was posted. Callers
+ * need to know the difference to let a real date win.
+ */
+describe('dateFromMtime', () => {
+  const mtime = Date.parse('2026-08-17T00:00:00Z');
+
+  it('flags an undated highlight name as mtime-dated', () => {
+    const p = parseArchiveFilename('4utumn07 - C-IImhvpFuk.jpg', 'highlight', mtime)!;
+    expect(p.date).toBe('2026-08-17');
+    expect(p.dateFromMtime).toBe(true);
+  });
+
+  it('does not flag a highlight that carries its own date', () => {
+    const p = parseArchiveFilename('2024-08-04_4utumn07 - C-IImhvpFuk.jpg', 'highlight', mtime)!;
+    expect(p.date).toBe('2024-08-04');
+    expect(p.dateFromMtime).toBe(false);
+  });
+
+  it('never flags ordinary post or Instaloader names', () => {
+    expect(parseArchiveFilename('2023-04-19_u - ABC.mp4', 'posts', mtime)!.dateFromMtime).toBe(false);
+    expect(parseArchiveFilename('2024-01-01_12-00-00_UTC.jpg', 'posts', mtime)!.dateFromMtime).toBe(false);
+  });
+
+  it('leaves the date empty rather than guessing when no mtime is given', () => {
+    const p = parseArchiveFilename('4utumn07 - C-IImhvpFuk.jpg', 'highlight')!;
+    expect(p.date).toBe('');
+    expect(p.dateFromMtime).toBe(false);
+  });
+});
+
+/**
+ * JDownloader wrote story-shaped names for highlights during one period, so
+ * the same item exists under two conventions. They must be one post.
+ */
+describe('canonicalItemId', () => {
+  it('collapses the two highlight naming conventions onto one id', () => {
+    const dir = 'story highlights - 4utumn07 - Sunstory';
+    const undated = parseArchiveFilename('4utumn07 - C5dQPEYpd9W.mp4', 'highlight', 1)!;
+    const dated = parseArchiveFilename('2024-04-07_4utumn07 - 01 - C5dQPEYpd9W.mp4', 'highlight')!;
+    expect(scopedPostId(dated.postId, 'highlight', dir))
+      .toBe(scopedPostId(undated.postId, 'highlight', dir));
+  });
+
+  it('does the same for stories', () => {
+    const a = parseArchiveFilename('2025-10-26_u - 2 - DQRuDx9iW5Q.jpg', 'stories')!;
+    expect(scopedPostId(a.postId, 'stories', 'story - u')).toBe('story - u/DQRuDx9iW5Q');
+  });
+
+  it('keeps distinct story items distinct', () => {
+    const a = parseArchiveFilename('2026-08-13_u - 1 - Db-UTJcCUUr.mp4', 'stories')!;
+    const b = parseArchiveFilename('2026-08-13_u - 2 - Db-oNJ1CWQ4.mp4', 'stories')!;
+    expect(scopedPostId(a.postId, 'stories', 'story - u'))
+      .not.toBe(scopedPostId(b.postId, 'stories', 'story - u'));
+  });
+
+  it('leaves a shortcode that merely starts with digits alone', () => {
+    expect(canonicalItemId('4utumn07')).toBe('4utumn07');
+    expect(canonicalItemId('C5dQPEYpd9W')).toBe('C5dQPEYpd9W');
+    expect(canonicalItemId('12345')).toBe('12345');
+  });
+
+  it('does not touch posts, whose ids are permalinks', () => {
+    expect(scopedPostId('01 - ABC', 'posts')).toBe('01 - ABC');
+  });
+});

src/lib/archive-patterns.ts

@@ -30,6 +30,15 @@ export interface ParsedFilename {
   index: number;
   ext: string;
   isStory: boolean;
+  /**
+   * True when `date` is the file's mtime rather than anything Instagram said.
+   *
+   * Only highlights fetched by JDownloader lack a date in the filename, and
+   * their mtime is just when the file was written. Callers should let any real
+   * date win over this one — the same item is often also present under a
+   * gallery-dl name that does carry the date.
+   */
+  dateFromMtime: boolean;
 }
 
 /**
@@ -54,6 +63,7 @@ export const parseArchiveFilename = (
       index: indexStr ? parseInt(indexStr, 10) : 1,
       ext,
       isStory: Boolean(story),
+      dateFromMtime: false,
     };
   }
 
@@ -67,6 +77,7 @@ export const parseArchiveFilename = (
       index: indexStr ? parseInt(indexStr, 10) : 1,
       ext,
       isStory: Boolean(story),
+      dateFromMtime: false,
     };
   }
 
@@ -81,6 +92,7 @@ export const parseArchiveFilename = (
         index: 1,
         ext,
         isStory: false,
+        dateFromMtime: Boolean(mtime),
       };
     }
   }
@@ -88,12 +100,36 @@ export const parseArchiveFilename = (
   return null;
 };
 
+/**
+ * A leading per-day ordinal on a story or highlight id: `01 - C5dQPEYpd9W`.
+ *
+ * JDownloader wrote story-shaped names for highlights during one period of its
+ * life, so the same item exists as both `user - CODE.jpg` and
+ * `date_user - 01 - CODE.jpg`. Those parse to different ids and the viewer
+ * shows the item twice. The ordinal carries no information the shortcode does
+ * not — it is a position within a day's stories, and the shortcode is already
+ * unique — so it is dropped.
+ */
+const LEADING_ORDINAL = /^\d+ - (?=[A-Za-z0-9_-]+$)/;
+
+/** Strip the ordinal so both naming conventions land on the same post. */
+export const canonicalItemId = (postId: string): string =>
+  postId.replace(LEADING_ORDINAL, '');
+
 /**
  * Namespace a post ID by its source directory.
  *
  * Base-profile IDs are left untouched so existing permalinks keep working;
  * sidecar IDs are prefixed so a shortcode appearing in both the profile and a
  * highlight stays two distinct posts.
+ *
+ * Story and highlight ids are canonicalised first, so an item fetched under
+ * two different naming conventions is one post rather than two.
  */
-export const scopedPostId = (postId: string, kind: SourceKind, dir?: string): string =>
-  kind === 'posts' ? postId : `${dir ?? kind}/${postId}`;
+export const scopedPostId = (postId: string, kind: SourceKind, dir?: string): string => {
+  if (kind === 'posts') return postId;
+  const id = (kind === 'stories' || kind === 'highlight')
+    ? canonicalItemId(postId)
+    : postId;
+  return `${dir ?? kind}/${id}`;
+};

src/lib/gallery-dl-sidecar.test.ts

@@ -0,0 +1,82 @@
+import { describe, expect, it } from 'vitest';
+import {
+  GalleryDlSidecar, isGalleryDlSidecar, sidecarDate, sidecarIsReel, sidecarSource,
+} from './gallery-dl-sidecar';
+
+// Trimmed from real files published to the archive on 2026-08-16.
+const REEL: GalleryDlSidecar = {
+  post_shortcode: 'Db-lNCoib9m', post_id: '3962768346034323302', type: 'reel',
+  date: '2026-08-13 11:00:44', post_date: '2026-08-13 11:00:44',
+  username: 'official_band', fullname: 'Official ARTMS',
+  description: 'Dancing in the spotlight', count: 1, likes: 22914,
+};
+const FEED_VIDEO: GalleryDlSidecar = { ...REEL, post_shortcode: 'DbdG9L9jU4m', type: 'post', count: 2 };
+const HIGHLIGHT: GalleryDlSidecar = {
+  post_shortcode: 'BATVdRZi_3', post_id: '18099435932626935', type: 'highlight',
+  date: '2026-08-08 16:22:09', username: 'official_band', count: 154,
+};
+
+describe('isGalleryDlSidecar', () => {
+  it('accepts a real sidecar', () => {
+    expect(isGalleryDlSidecar(REEL)).toBe(true);
+    expect(isGalleryDlSidecar(HIGHLIGHT)).toBe(true);
+  });
+
+  it('rejects an Instaloader GraphQL payload', () => {
+    expect(isGalleryDlSidecar({ node: { __typename: 'GraphVideo', shortcode: 'x' } })).toBe(false);
+    expect(isGalleryDlSidecar({ __typename: 'GraphImage', post_shortcode: 'x', type: 'post' })).toBe(false);
+  });
+
+  it('rejects an Instagram export manifest', () => {
+    expect(isGalleryDlSidecar({ media: [{ uri: 'a.jpg' }] })).toBe(false);
+    expect(isGalleryDlSidecar([{ media: [] }])).toBe(false);
+  });
+
+  it('rejects junk', () => {
+    for (const v of [null, undefined, 0, '', 'string', {}, { post_shortcode: 'x' }]) {
+      expect(isGalleryDlSidecar(v)).toBe(false);
+    }
+  });
+});
+
+describe('sidecarDate', () => {
+  it('takes the day from the timestamp', () => {
+    expect(sidecarDate(REEL)).toBe('2026-08-13');
+  });
+
+  it('falls back to post_date', () => {
+    expect(sidecarDate({ post_shortcode: 'x', post_date: '2024-01-02 03:04:05' })).toBe('2024-01-02');
+  });
+
+  it('returns empty when there is no usable date', () => {
+    expect(sidecarDate({ post_shortcode: 'x' })).toBe('');
+    expect(sidecarDate({ post_shortcode: 'x', date: 'not a date' })).toBe('');
+  });
+});
+
+describe('sidecarIsReel', () => {
+  it('distinguishes a reel from an ordinary feed video', () => {
+    // Both are single mp4s -- the lone-video heuristic cannot tell them apart.
+    expect(sidecarIsReel(REEL)).toBe(true);
+    expect(sidecarIsReel(FEED_VIDEO)).toBe(false);
+  });
+
+  it('declines to answer for stories and highlights', () => {
+    expect(sidecarIsReel(HIGHLIGHT)).toBeUndefined();
+    expect(sidecarIsReel({ post_shortcode: 'x', type: 'story' as const })).toBeUndefined();
+    expect(sidecarIsReel({ post_shortcode: 'x' })).toBeUndefined();
+  });
+});
+
+describe('sidecarSource', () => {
+  it('maps type onto the archive source kinds', () => {
+    expect(sidecarSource(REEL)).toBe('reels');
+    expect(sidecarSource(FEED_VIDEO)).toBe('posts');
+    expect(sidecarSource(HIGHLIGHT)).toBe('highlight');
+    expect(sidecarSource({ post_shortcode: 'x', type: 'story' as const })).toBe('stories');
+  });
+
+  it('is undefined for an unknown type', () => {
+    expect(sidecarSource({ post_shortcode: 'x' })).toBeUndefined();
+  });
+});

src/lib/gallery-dl-sidecar.ts

@@ -0,0 +1,87 @@
+import { SourceKind } from '../types';
+
+/**
+ * gallery-dl `.json` metadata sidecars.
+ *
+ * Written one per post next to the media (see docs/gallery-dl.md). This is the
+ * only source in any archive format that states outright what a post *is* —
+ * `type` is Instagram's own classification, the `product_type: "clips"` signal
+ * carried through the listing response. Everything else the viewer knows about
+ * reels is guesswork from filenames and directory names.
+ *
+ * Deliberately separate from the two older JSON shapes the scanner reads:
+ *
+ *   Instagram export   `posts_1.json`, an array of entries with `media`
+ *   Instaloader        `.json.xz`, a GraphQL node under `node`
+ *   gallery-dl         this — flat, no wrapper
+ */
+export interface GalleryDlSidecar {
+  post_shortcode: string;
+  post_id?: string;
+  /** Instagram's own classification of the post. */
+  type?: 'post' | 'reel' | 'story' | 'highlight';
+  /** Local-time "YYYY-MM-DD HH:MM:SS" — gallery-dl is configured to emit local. */
+  date?: string;
+  post_date?: string;
+  username?: string;
+  fullname?: string;
+  description?: string;
+  count?: number;
+  likes?: number;
+  post_url?: string;
+}
+
+/**
+ * Recognise a gallery-dl sidecar.
+ *
+ * Checked structurally rather than by filename, because the older formats are
+ * also plain `.json`. `node` and `__typename` are what an Instaloader or
+ * export payload carries, and their absence is what makes this shape
+ * unambiguous.
+ */
+export const isGalleryDlSidecar = (data: unknown): data is GalleryDlSidecar => {
+  if (!data || typeof data !== 'object' || Array.isArray(data)) return false;
+  const o = data as Record<string, unknown>;
+  return typeof o.post_shortcode === 'string'
+    && typeof o.type === 'string'
+    && o.node === undefined
+    && o.__typename === undefined
+    && o.media === undefined;
+};
+
+/** The ISO date (YYYY-MM-DD) a sidecar reports, or '' if it carries none. */
+export const sidecarDate = (s: GalleryDlSidecar): string => {
+  const raw = s.date || s.post_date || '';
+  const day = raw.slice(0, 10);
+  return /^\d{4}-\d{2}-\d{2}$/.test(day) ? day : '';
+};
+
+/**
+ * Whether the sidecar says this post is a reel.
+ *
+ * Returns undefined rather than false for stories and highlights: those are
+ * neither reels nor grid posts, and answering "no" would let them be counted
+ * as ordinary posts.
+ */
+export const sidecarIsReel = (s: GalleryDlSidecar): boolean | undefined => {
+  if (s.type === 'reel') return true;
+  if (s.type === 'post') return false;
+  return undefined;
+};
+
+/**
+ * Which source kind the sidecar implies, for cross-checking the directory.
+ *
+ * A reel shared to the profile grid legitimately appears under `posts`, so a
+ * disagreement is not an error — the directory says where the file was
+ * fetched from, `type` says what Instagram considers it.
+ */
+export const sidecarSource = (s: GalleryDlSidecar): SourceKind | undefined => {
+  switch (s.type) {
+    case 'reel': return 'reels';
+    case 'post': return 'posts';
+    case 'story': return 'stories';
+    case 'highlight': return 'highlight';
+    default: return undefined;
+  }
+};

src/lib/post-dates.test.ts

@@ -0,0 +1,56 @@
+import { describe, expect, it } from 'vitest';
+import { DatedValue, preferDate, shouldReplaceDate } from './post-dates';
+
+const sidecar: DatedValue = { date: '2024-04-07', source: 'sidecar' };
+const filename: DatedValue = { date: '2024-04-08', source: 'filename' };
+const mtime: DatedValue = { date: '2026-08-17', source: 'mtime' };
+
+describe('date precedence', () => {
+  it('ranks sidecar above filename above mtime', () => {
+    expect(preferDate(mtime, filename)).toEqual(filename);
+    expect(preferDate(filename, sidecar)).toEqual(sidecar);
+    expect(preferDate(mtime, sidecar)).toEqual(sidecar);
+  });
+
+  it('never lets a weaker source overwrite a stronger one', () => {
+    expect(preferDate(sidecar, filename)).toEqual(sidecar);
+    expect(preferDate(sidecar, mtime)).toEqual(sidecar);
+    expect(preferDate(filename, mtime)).toEqual(filename);
+  });
+
+  it('keeps the incumbent on a tie, so scan order cannot flip the date', () => {
+    const other: DatedValue = { date: '2020-01-01', source: 'filename' };
+    expect(preferDate(filename, other)).toEqual(filename);
+    expect(preferDate(other, filename)).toEqual(other);
+  });
+
+  it('accepts anything when nothing is held yet', () => {
+    expect(preferDate(undefined, mtime)).toEqual(mtime);
+    expect(shouldReplaceDate(undefined, mtime)).toBe(true);
+  });
+
+  it('ignores an empty date regardless of source', () => {
+    const empty: DatedValue = { date: '', source: 'sidecar' };
+    expect(shouldReplaceDate(filename, empty)).toBe(false);
+    expect(preferDate(filename, empty)).toEqual(filename);
+  });
+
+  it('replaces a held-but-empty date', () => {
+    const empty: DatedValue = { date: '', source: 'filename' };
+    expect(preferDate(empty, mtime)).toEqual(mtime);
+  });
+
+  it('is order-independent for the full three-source case', () => {
+    const orders = [
+      [mtime, filename, sidecar],
+      [sidecar, mtime, filename],
+      [filename, sidecar, mtime],
+      [mtime, sidecar, filename],
+    ];
+    for (const order of orders) {
+      const won = order.reduce<DatedValue | undefined>(
+        (acc, next) => preferDate(acc, next), undefined);
+      expect(won).toEqual(sidecar);
+    }
+  });
+});

src/lib/post-dates.ts

@@ -0,0 +1,46 @@
+/**
+ * Where a post's date came from, and which source wins.
+ *
+ * A post is usually described by several files — media, a caption `.txt`, a
+ * `.json` sidecar, sometimes the same item under two naming conventions — and
+ * they are scanned in directory order, not in order of trustworthiness. Without
+ * an explicit ranking the date is decided by whichever file happened to be
+ * reached first.
+ *
+ * Ranked best to worst:
+ *
+ *   sidecar   what Instagram reported, straight from a gallery-dl `.json`
+ *   filename  a date the fetcher wrote into the name; correct, but derived
+ *   mtime     when the file was written to disk — unrelated to when it was
+ *             posted, and only ever a last resort for JDownloader highlights,
+ *             whose filenames carry no date at all
+ */
+export type DateSource = 'sidecar' | 'filename' | 'mtime';
+
+const RANK: Record<DateSource, number> = { sidecar: 0, filename: 1, mtime: 2 };
+
+export interface DatedValue {
+  date: string;
+  source: DateSource;
+}
+
+/**
+ * Whether `next` should replace the date currently held.
+ *
+ * Ties keep the incumbent, so scanning stays stable: two files of equal
+ * authority cannot flip a post's date back and forth by scan order.
+ */
+export const shouldReplaceDate = (
+  current: DatedValue | undefined,
+  next: DatedValue,
+): boolean => {
+  if (!next.date) return false;
+  if (!current || !current.date) return true;
+  return RANK[next.source] < RANK[current.source];
+};
+
+/** Apply `next` if it outranks `current`, otherwise keep what we have. */
+export const preferDate = (
+  current: DatedValue | undefined,
+  next: DatedValue,
+): DatedValue => (shouldReplaceDate(current, next) ? next : (current ?? next));

src/lib/post-tabs.test.ts

@@ -0,0 +1,141 @@
+import { describe, expect, it } from 'vitest';
+import { dedupePostCopies, hasReelSource, makeIsReel, postsForTab } from './post-tabs';
+import { MediaFile, Post } from '../types';
+
+const media = (type: MediaFile['type'], index = 1): MediaFile => ({
+  name: `f${index}.${type === 'video' ? 'mp4' : 'jpg'}`,
+  path: `d/f${index}`, url: '', type, index,
+});
+
+const post = (id: string, opts: Partial<Post> = {}): Post => ({
+  id, date: '2024-01-01', username: 'u', caption: '', media: [media('image')], thumbnail: '', ...opts,
+});
+
+const video = (id: string, opts: Partial<Post> = {}) => post(id, { media: [media('video')], ...opts });
+const carousel = (id: string, opts: Partial<Post> = {}) =>
+  post(id, { media: [media('image', 1), media('video', 2)], ...opts });
+
+describe('hasReelSource', () => {
+  it('is false for an archive with no reels directory', () => {
+    expect(hasReelSource([post('A'), video('B')])).toBe(false);
+  });
+
+  it('is true once any post came from a reels directory', () => {
+    expect(hasReelSource([post('A'), video('u - reels/B', { source: 'reels' })])).toBe(true);
+  });
+});
+
+describe('makeIsReel', () => {
+  it('believes the reels directory when there is one', () => {
+    const posts = [video('A'), video('u - reels/B', { source: 'reels' })];
+    const isReel = makeIsReel(posts);
+    // A is a lone video too, but the archive states which posts are reels.
+    expect(isReel(posts[0])).toBe(false);
+    expect(isReel(posts[1])).toBe(true);
+  });
+
+  it('falls back to the lone-video heuristic without one', () => {
+    const posts = [post('A'), video('B'), carousel('C')];
+    const isReel = makeIsReel(posts);
+    expect(posts.map(isReel)).toEqual([false, true, false]);
+  });
+});
+
+describe('dedupePostCopies', () => {
+  it('leaves distinct posts alone', () => {
+    const posts = [post('A'), video('B')];
+    expect(dedupePostCopies(posts).map(p => p.id)).toEqual(['A', 'B']);
+  });
+
+  it('collapses a reel fetched into both the profile and the reels directory', () => {
+    const posts = [video('B'), video('u - reels/B', { source: 'reels' })];
+    const deduped = dedupePostCopies(posts);
+    expect(deduped).toHaveLength(1);
+    // The reels copy wins, so the survivor is still recognised as a reel.
+    expect(deduped[0].source).toBe('reels');
+  });
+
+  it('picks the reels copy regardless of scan order', () => {
+    const profileCopy = video('B');
+    const reelCopy = video('u - reels/B', { source: 'reels' });
+    expect(dedupePostCopies([profileCopy, reelCopy])[0].source).toBe('reels');
+    expect(dedupePostCopies([reelCopy, profileCopy])[0].source).toBe('reels');
+  });
+
+  it('keeps the position of the first copy seen', () => {
+    const posts = [post('A'), video('B'), post('C'), video('u - reels/B', { source: 'reels' })];
+    expect(dedupePostCopies(posts).map(p => p.id.split('/').pop())).toEqual(['A', 'B', 'C']);
+  });
+});
+
+describe('postsForTab', () => {
+  it('shows reels in the profile grid, as Instagram does', () => {
+    const posts = [post('A'), video('u - reels/B', { source: 'reels' })];
+    expect(postsForTab(posts, 'posts').map(p => p.id)).toEqual(['A', 'u - reels/B']);
+  });
+
+  it('shows the same reel in both tabs', () => {
+    const posts = [post('A'), video('u - reels/B', { source: 'reels' })];
+    const inGrid = postsForTab(posts, 'posts').map(p => p.id);
+    const inReels = postsForTab(posts, 'reels').map(p => p.id);
+    expect(inReels).toEqual(['u - reels/B']);
+    expect(inGrid).toContain('u - reels/B');
+  });
+
+  it('shows a duplicated reel once in the grid, not twice', () => {
+    const posts = [post('A'), video('B'), video('u - reels/B', { source: 'reels' })];
+    expect(postsForTab(posts, 'posts')).toHaveLength(2);
+    expect(postsForTab(posts, 'reels')).toHaveLength(1);
+  });
+
+  it('treats lone videos as reels for archives with no reels directory', () => {
+    const posts = [post('A'), video('B'), carousel('C')];
+    expect(postsForTab(posts, 'posts').map(p => p.id)).toEqual(['A', 'B', 'C']);
+    expect(postsForTab(posts, 'reels').map(p => p.id)).toEqual(['B']);
+  });
+
+  it('has nothing saved', () => {
+    expect(postsForTab([post('A')], 'saved')).toEqual([]);
+  });
+});
+
+/**
+ * Once an archive carries gallery-dl sidecars, the guesswork above is replaced
+ * by Instagram's own classification. These are the cases the heuristic got
+ * wrong (see docs/gallery-dl.md).
+ */
+describe('explicit isReel from a sidecar', () => {
+  it('beats the lone-video heuristic for an ordinary feed video', () => {
+    // A single mp4 that Instagram calls a post, not a reel — indistinguishable
+    // by shape alone.
+    const posts = [video('DbdG9L9jU4m', { isReel: false })];
+    expect(postsForTab(posts, 'reels')).toEqual([]);
+    expect(postsForTab(posts, 'posts')).toHaveLength(1);
+  });
+
+  it('recognises a reel that lives in the profile grid', () => {
+    // Shared to feed, so it sits in the base directory with source 'posts'.
+    const posts = [post('A'), video('C8FHM6EJl15', { source: 'posts', isReel: true })];
+    expect(postsForTab(posts, 'reels').map(p => p.id)).toEqual(['C8FHM6EJl15']);
+    expect(postsForTab(posts, 'posts')).toHaveLength(2);
+  });
+
+  it('beats the directory when both are present', () => {
+    const posts = [
+      video('u - reels/A', { source: 'reels', isReel: false }),
+      video('u - reels/B', { source: 'reels' }),
+    ];
+    // A is a feed video that the reels tab happened to return; B is unlabelled
+    // and falls back to its directory.
+    expect(postsForTab(posts, 'reels').map(p => p.id)).toEqual(['u - reels/B']);
+  });
+
+  it('falls back per post, so a mixed archive still works', () => {
+    const posts = [
+      video('labelled', { isReel: true }),
+      video('unlabelled'),
+      carousel('C'),
+    ];
+    expect(postsForTab(posts, 'reels').map(p => p.id)).toEqual(['labelled', 'unlabelled']);
+  });
+});

src/lib/post-tabs.ts

@@ -0,0 +1,108 @@
+import { Post, SourceKind } from '../types';
+import { Tab } from './routing';
+
+/**
+ * Which posts each profile tab shows.
+ *
+ * Instagram's profile grid holds everything the account posted — photos,
+ * carousels and reels alike — and the Reels tab is a *filtered view* of that
+ * same set rather than a separate one. So a reel belongs in both tabs, and
+ * only the Reels tab does any filtering.
+ *
+ * Kept pure and separate from App.tsx so the reel heuristic and the
+ * duplicate-copy rules can be tested directly.
+ */
+
+/**
+ * The shortcode shared by every copy of a post, regardless of which source
+ * directory it came from. Sidecar ids are directory-scoped
+ * (`4utumn07 - reels/Cq8LrxSJAJE`); the trailing segment is the shortcode.
+ */
+const shortcode = (post: Post): string => post.id.split('/').pop() ?? post.id;
+
+/**
+ * True when the archive has a `- reels` sidecar directory, i.e. it states
+ * outright which posts are reels.
+ */
+export const hasReelSource = (posts: Post[]): boolean => posts.some(p => p.source === 'reels');
+
+/**
+ * Build the reel test for an archive.
+ *
+ * Instagram's own marker is `product_type: "clips"` on the post's GraphQL
+ * node, but only Instaloader archives carry that metadata, and only on newer
+ * captures — JDownloader grabs are media plus a caption `.txt` and nothing
+ * else (see docs/jdownloader.md). So:
+ *
+ *   - archives with a `- reels` directory are believed outright;
+ *   - everything else falls back to treating a lone video as a reel.
+ *
+ * The fallback is a guess: it cannot tell a reel from an ordinary feed video
+ * or an old IGTV upload, all three of which are plain `GraphVideo` nodes
+ * distinguished only by `product_type`.
+ */
+export const makeIsReel = (posts: Post[]): ((post: Post) => boolean) => {
+  const guess = hasReelSource(posts)
+    ? (post: Post) => post.source === 'reels'
+    : (post: Post) => post.media.length === 1 && post.media[0]?.type === 'video';
+
+  // `isReel` comes from a gallery-dl sidecar and is Instagram's own answer, so
+  // it beats both fallbacks — per post, since an archive is usually a mix of
+  // files fetched before and after sidecars existed.
+  return (post: Post) => post.isReel ?? guess(post);
+};
+
+/** Preference order when the same post was fetched into more than one directory. */
+const SOURCE_RANK: Record<SourceKind, number> = { reels: 0, posts: 1, stories: 2, highlight: 3 };
+
+const rankOf = (post: Post): number => SOURCE_RANK[post.source ?? 'posts'];
+
+/**
+ * Collapse copies of one post that were fetched into more than one directory.
+ *
+ * The JDownloader flow crawls a profile URL and its `/reels/` URL separately
+ * because the profile page misses some reels — so the two overlap, and a reel
+ * present in both lands on disk twice. Those become two posts with distinct
+ * directory-scoped ids, which the grid would happily render side by side.
+ *
+ * The reels-source copy wins, so the surviving post still reports
+ * `source: 'reels'` and both the Reels tab and `tabForSource` recognise it.
+ *
+ * Only safe because callers pass the grid's posts, which exclude stories and
+ * highlights — a shortcode may legitimately appear in both the profile and a
+ * highlight, and those must stay distinct.
+ */
+export const dedupePostCopies = (posts: Post[]): Post[] => {
+  const winners = new Map<string, Post>();
+
+  for (const post of posts) {
+    const code = shortcode(post);
+    const existing = winners.get(code);
+    if (!existing || rankOf(post) < rankOf(existing)) winners.set(code, post);
+  }
+
+  // Preserve input order, keyed on the winner so ordering does not depend on
+  // which copy happened to be scanned first.
+  const emitted = new Set<string>();
+  const result: Post[] = [];
+  for (const post of posts) {
+    const code = shortcode(post);
+    if (emitted.has(code)) continue;
+    emitted.add(code);
+    result.push(winners.get(code)!);
+  }
+  return result;
+};
+
+/**
+ * The posts a tab displays.
+ *
+ * `posts` must already exclude stories and highlights (App passes `allPosts`).
+ */
+export const postsForTab = (posts: Post[], tab: Tab): Post[] => {
+  if (tab === 'saved') return [];
+
+  const unique = dedupePostCopies(posts);
+  if (tab === 'posts') return unique;
+  return unique.filter(makeIsReel(posts));
+};

src/main.tsx

@@ -14,7 +14,7 @@ const updateSW = registerSW({
       setInterval(() => {
         r.update();
       }, 60 * 60 * 1000);
-      console.log('[PWA] Service Worker registered and update interval set.');
+      console.log(`[PWA] v${__APP_VERSION__} registered; hourly update checks enabled.`);
     }
   },
   onNeedRefresh() {

src/types/globals.d.ts

@@ -0,0 +1,9 @@
+/**
+ * Build-time constants.
+ *
+ * This file deliberately has no imports or exports: that keeps it an ambient
+ * script rather than a module, so the declarations below are global.
+ */
+
+/** Release version, injected by `define` in vite.config.ts. */
+declare const __APP_VERSION__: string;

src/types/index.ts

@@ -37,6 +37,12 @@ export interface Post {
   isStory?: boolean;
   /** Defaults to 'posts' for archives without sidecar directories. */
   source?: SourceKind;
+  /**
+   * Instagram's own answer to "is this a reel", from a gallery-dl `.json`
+   * sidecar. Undefined when the archive carries no such sidecar, which is when
+   * the viewer has to fall back to guessing — see src/lib/post-tabs.ts.
+   */
+  isReel?: boolean;
   /** Highlight this post belongs to, for source === 'highlight'. */
   highlightTitle?: string;
 }

vite.config.ts

@@ -3,9 +3,24 @@ import react from '@vitejs/plugin-react';
 import path from 'path';
 import {defineConfig} from 'vite';
 import { VitePWA } from 'vite-plugin-pwa';
+import { createRequire } from 'module';
+
+const { version } = createRequire(import.meta.url)('./package.json');
 
 export default defineConfig(() => {
   return {
+    /**
+     * The release version, compiled into the client.
+     *
+     * This is load-bearing, not cosmetic. The service worker precaches
+     * index.html *including its response headers*, so a server-side header
+     * change (a CSP fix, say) never reaches an installed PWA: nothing in the
+     * client build changed, the precache manifest is byte-identical, and the
+     * worker has no reason to update. Baking the version in means every release
+     * changes the bundle hash, which changes index.html, which invalidates the
+     * precache and re-fetches the shell with current headers.
+     */
+    define: { __APP_VERSION__: JSON.stringify(version) },
     plugins: [
       react(), 
       tailwindcss(),