feat(cursor): Cursor sessions as the third index source - #48
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Format captured from a LIVE Cursor 3.14.7 install before it was removed (the install existed for exactly this): one SQLite database User/globalStorage/state.vscdb — composerHeaders as the session catalog, composerData:<id> for bubble order + ISO timestamps, bubbleId:* rows typed 1=user / 2=assistant, thinking as empty-text bubbles. The surface rule stays the project invariant: non-empty text only. No file per session, so incremental indexing keys on virtual paths cursor:<composerId> with lastUpdatedAt in the signature; reconciliation compares Cursor's catalog against indexed_files instead of the disk, and prune_deleted skips the virtual prefix. The live db is snapshotted (WAL) before reading. Subagent sessions are skipped like Claude sidechains. Workspace→folder mapping follows the VS Code workspace.json convention; empty-window sessions index with an empty project. Also fixes a reuse-cache hole this work surfaced, in both cursor and metadocs indexing: embeddings_by_hash reuse is now gated on the OLD signature carrying the current embed fingerprint — vectors never cross embedding spaces via the by-hash cache. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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«надо cursor добавить» — done. The format was captured from a live Cursor 3.14.7 install (Maxim installed it for exactly this experiment): SQLite
state.vscdb,composerHeaderscatalog (incl.isSubagent— skipped like Claude sidechains),composerData:<id>bubble order + ISO timestamps,bubbleId:*messages typed 1=user/2=assistant with thinking as empty-text bubbles.Design points:
cursor:<composerId>,lastUpdatedAtin the signature; reconciliation follows Cursor's catalog, not the disk (prune_deletedskips the virtual prefix — asserted).workspace.jsonconvention;empty-window→ empty project.--source cursoracross index/search/recent/grep/prune + MCP validation.Synthetic-fixture tests reproduce the captured shape end-to-end (surface extraction incl. thinking bubbles, workspace mapping, incremental re-index on appended bubble, catalog reconciliation, silent absence, fp-gated reuse). Live proof will come from the first machine with Cursor present — the format itself was read from a real install, not imagined.
Suite 334 passed.
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