feat: persist special-use folder mapping and detect on the backend - #63
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Adds a per-account special-use folder mapping (drafts/sent/spam/trash/ archive) that the backend detects once (IMAP \Flag -> multilingual name heuristic), stores in a new mail_account_special_use table, and reuses so neither it nor the client re-guesses on every request. Users can override individual mappings; overrides survive re-detection while their folder exists. Mailbox listings now return the resolved specialUse, and the mapping is re-detected after folder create/rename/delete and dropped on account delete. Exposes GET/PUT /mail-accounts/:id/special-use. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Unit tests for the pure detection logic (flag-first/name-heuristic detectType, reconcile preserving valid user overrides, apply normalizing and clearing stray flags) plus route tests against the mock IMAP server: GET auto-detects and persists, PUT overrides and reverts, listing reflects overrides, invalid paths 400, and unauthenticated access 401. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
LeiCraft
approved these changes
Jul 6, 2026
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Adds a per-account special-use folder mapping (drafts/sent/spam/trash/ archive) that the backend detects once (IMAP \Flag -> multilingual name heuristic), stores in a new mail_account_special_use table, and reuses so neither it nor the client re-guesses on every request. Users can override individual mappings; overrides survive re-detection while their folder exists. Mailbox listings now return the resolved specialUse, and the mapping is re-detected after folder create/rename/delete and dropped on account delete. Exposes GET/PUT /mail-accounts/:id/special-use.