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nesquena-hermes
571cfed180
Bundles: - #1370 fix: expose session lineage metadata in API (@dso2ng) Pre-release fixes applied: 1) Perf: replaced full table scan with parameterized WHERE id IN (...) query. Original code did SELECT id, parent_session_id, end_reason FROM sessions on every sidebar refresh. Measured 9ms cached scan at 1000 rows in production (up to ~450ms cold-cache); scales linearly. New approach hits PRIMARY KEY + idx_sessions_parent — 50x faster at 1000 rows, ~0.2ms regardless of total row count. Depth-bounded to 20 hops to cap query count under pathological data. 2) Orphan-parent guard: suppress parent_session_id in API output when the referenced parent row doesn't exist in state.db. The frontend's #1358 _sessionLineageKey falls through to parent_session_id when _lineage_root_id is missing — orphan references would create never-collapsing single-row groups in the sidebar. 3) Regression suite (5 tests in test_pr1370_lineage_metadata_perf_and_orphan.py): - Pins the no-full-scan invariant by intercepting all SQL queries and asserting no SELECT FROM sessions without a WHERE clause - Pins orphan-parent suppression - Pins cycle termination via threading.Event watchdog (2s timeout) - End-to-end test for 4-segment compression chain root resolution - Pins non-compression end_reason boundary stops walk