feat: expose compose sessions through MCP - #352
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Results ranked by relevance instead of date-only: subject > sender > body (setweight A-D + ts_rank_cd), prefix matching as you type, quoted phrases, served by a GIN index over a trigger-maintained search_fts column. Backfill runs as a resumable background drainer (fast-DDL migrations 0035-0037, no boot-blocking rewrite); not-yet-backfilled rows fall back to the previous query path. Body text is materialized by a provider-gated background IMAP drainer with circuit breakers, poison-message forward progress, and progress reporting. Filter-only queries stay date-ordered. No infrastructure changes - runs on stock postgres:16-alpine. Split 1/3 of maathimself#283. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…tor) Explicit opt-in embeddings pipeline against any OpenAI-compatible /v1/embeddings endpoint (key encrypted at rest, host-validated, masked on read). Fingerprinted generations (config change => clean rebuild), a crash-safe fill worker, per-dimension HNSW partial indexes, re-embedding of late-arriving bodies. Query side adds hybrid BM25+ANN reciprocal-rank fusion behind an in-input Semantic toggle; lexical stays the default, with silent fallback while the index builds. Settings UI with explicit privacy copy and live Test/Build progress, in all 7 locales. Migrations 0038-0039. Includes the search-eval harness that produced the published quality numbers, and its explain/total diagnostics seams. Infra: compose moves postgres:16-alpine -> pgvector/pgvector:pg16 (same PG16 major). Run REINDEX DATABASE once after the first boot: the musl -> glibc collation change can misorder existing text btree indexes; the app logs a loud warning when it detects this. Split 2/3 of maathimself#283, stacked on the weighted-FTS PR. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Streamable-HTTP /mcp endpoint (SHA-256-hashed tokens minted in Profile, Origin-validated, rate-limited) exposing 12 tools including semantic_search_messages and search_in_message. Every call is scoped to the token owner's accounts; deletion is staged-only. Adds the MCP-only search seams (trusted account scoping, body-scope FTS leg, strictVector, loadVector), the chunk-excerpt read path, migrations 0040-0041, and one new backend dependency: @modelcontextprotocol/sdk. Split 3/3 of maathimself#283, stacked on the semantic-embeddings PR. The stacked tree is byte-identical to the reviewed maathimself#283 head (3773150). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…tings Extends the read-only MCP server (maathimself#296) to the full mail client: - Token scopes (read/write/send/settings) enforced fail-closed at one dispatch choke point; tools/list filtered per token; existing tokens stay read-only. Per-class rate limits plus a daily send cap. - 33 new tools (58 total): drafts, send/reply/reply-all/forward with hard alias validation and receipts, unsend via a real outbox (0-120s window, SKIP LOCKED worker, race-safe cancel), honest best-effort recall, folders/ move/archive/trash/flags/spam/snooze/category/GTD with refuse-unbounded guards, an inbox-triage loop (triage_inbox / get_triage_context / mark_triaged) with embedding-derived signals, and settings tools including a staged add_account that never accepts secrets over MCP. - Undo-send frontend: countdown toast with Undo, user preference (0-120s, default off so upgrades never change send behavior). - Service extractions shared by REST and MCP (send/draft/reply/mailbox), fixing real bugs en route: alias silent-fallback, the References chain (thread_references was never used by compose), drafts dropping threading headers, and a new synchronous account test-connection endpoint. - Migrations 0042-0046. Every tool def carries MCP annotations. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
Exposes the compose-session workspace through MCP on top of #351, using the
same revisioned services as REST and exact read/write/send token scopes.
Review the last commit only:
159e003(feat: expose compose sessions through MCP).Changes
presentation, attachments, close/discard, and send.
without exposing internal failures.
idempotency, and authoritative receipts.
WebSocket invalidations content-free.
Testing
conflict, attachment/lifecycle/send flows, and MCP-to-UI minimize/restore
convergence green.
stayed inside isolated SMTP/IMAP sinks.
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third-party material and confirmed it is compatible with the CLA).