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Akili 86215f1eb1 feat: add visitor identity cookie and database reset job
Three connected features for the deployment-strategy demo:

1. Visitor identity cookie (v3). A new visitors table backs a first-party
   gb_visitor cookie: middleware on /api checks the cookie's UUID against
   the database on every request and regenerates + persists it when the id
   is missing, malformed, or unknown (fresh browser, pruned identity, or a
   reset database). The identity remembers the name a visitor signed with
   (pre-filled next time, used for unsigned posts), replaces the standalone
   reaction cookie for reaction de-dupe, and feeds a live "N visiting"
   counter (identities seen in the last 5 minutes) shown on the wall, in
   /api/info, the admin overview, and the presence/tick SSE events. The
   admin console gains Visitors/Visiting tiles and a visitors table, plus a
   GET /api/me endpoint and GET /api/admin/visitors.

2. guestbook reset command. Wipes entries (including soft-deleted rows),
   reactions and visitor identities under the schema advisory lock, with
   --dry-run, --hard (also reset wall settings) and --reseed flags; meant
   to run as a one-off Miabi Job. After a reset every outstanding cookie is
   invalidated, so browsers get a fresh identity on their next request.

3. cleanup learns --prune-visitors (default 30 days): the cron job now also
   forgets idle identities together with their reactions.

Docs (README, DEMO) updated: act 8 covers reset, the visitor-identity
talking point is in act 3, and the API tables list the new endpoints.

Akili-Task: tsk_ptdi5ufndrzwlljk4v5g
Akili-Agent: goldfish
2026-10-07 19:06:07 +02:00
..