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AI: writing assistant in the message composer (rewrite / tighten / expand / fix grammar / make a thread / suggest tags) #5
Description
Part of #3 — AI Writing Assistance is entirely missing from the Android app
Web behaviour (/help/ai → Writing Assistant in the composer): an AI control in the
composer toolbar offers six actions on the current draft.
| Action | Result |
|---|---|
| Rewrite | A cleaner version of the same message |
| Tighten | Shorter, punchier |
| Expand | Longer, more detail |
| Fix grammar | Corrections only, voice intact |
| Make a thread | Splits a long draft into a numbered sequence of posts |
| Suggest tags | Recommended tags based on the draft |
Each result is a suggestion, not an edit. Text suggestions offer Replace draft or
Use in draft; tag suggestions offer Add tags. The composer does not change until the
user picks one.
- Wire through
POST /api/ai/suggestwith the appropriatefeaturevalue per action. - "Make a thread" must produce a reviewable numbered sequence, not a single blob.
- "Suggest tags" depends on composer tag support — see the Tags epic.
Tests: ViewModel test per action (suggestion state, accept → draft mutated, discard → draft
untouched); Compose test that the control is absent when the AI gate is closed.
Filed from the parity review of feature/parity-wip @ 14d7795 against interlinedlist.com (OpenAPI /api/openapi.json, 233 paths) and the public help centre.
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