- main.py + config.py: CORS origins read from Settings.cors_origins (comma-separated).
Empty falls back to dev origin localhost:5173; never wildcard. Methods locked
to GET/PATCH/POST; allow_credentials=False.
- scraper/media.py: download_url now passes follow_redirects=False to httpx.
OSS URLs return 200 directly; a 3xx is treated as a download failure (caught
by existing except clauses) instead of opening an SSRF vector to internal hosts.
- routers/voice_clips.py: PATCH /voice-clips/{id}/match accepts an optional
If-Match header carrying the client's last-seen updated_at. On mismatch the
row was modified by another request and the server returns 409. Without the
header the behaviour is unchanged (backward compatible). Response now echoes
the post-update updated_at so the client can fold it into the next request.
- routers/organization.py: /api/accounts now UNION ALLs the wechat_account and
whatsapp_account projections at the SQL level and pushes COUNT + pagination
(offset/limit) down to the DB. Stable ordering on (channel, account_id).
Removes the in-memory materialization that broke at scale.
Tests: 395 passed. Added optimistic-lock coverage (If-Match accepted / stale 409 /
absent header backward-compat). Updated existing PATCH tests for the new
updated_at response field.
Co-Authored-By: Claude <noreply@anthropic.com>
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