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Tags: add tags[] to the composer with prefix autocomplete #28
Description
Part of #27 — Tags: tagging posts, autocomplete, trending and tag-filtered feeds
- Add a tag input to the composer and send
tags[]onPOST /api/messages. - Wire
GET /api/tags/autocompletefor prefix suggestions as the user types (case-insensitive,
literal prefix — do not fuzzy-match client-side and misrepresent the server's semantics). - Debounce, and cancel in-flight requests on each keystroke.
- Show tags on the message card.
Tests: request carries tags; autocomplete debounce/cancel; card renders tags.
Filed from the parity review of feature/parity-wip @ 14d7795 against interlinedlist.com (OpenAPI /api/openapi.json, 233 paths) and the public help centre.
Activity
Adron commentedon Sep 16, 2026
Implemented in the PR above (branch
issue/28-composer-tags). Closing here — review and any follow-up happens on the PR.Two contract corrections to this issue's assumptions:
GET /api/tags/autocompletetakesq, notprefix— sendingprefixreturns400 {"error":"Query parameter 'q' is required"}.Tags are not hashtag-shaped. Real tags on the live account include
"life is short, o brave girl"and"light rail"— spaces and punctuation — so the input deliberately does not split on whitespace or rewrite anything.The debounce/cancellation requirement was treated as the load-bearing part and mutation-checked: removing the stale-query guard or the job cancellation each fails exactly the tests that cover them.
Tag chips on the card are deliberately inert for now — #29 can attach a click handler to the existing test tag without touching the layout.
merge: #28 composer tags + autocomplete (PR)