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Eric Traut
80e0b51c9e
## Why Session activity can move unread threads ahead of a pagination cursor, and timestamp-only cursors can skip threads with equal creation times. Either can prevent a session label lookup from detecting duplicate labels. Database failures must also remain distinguishable from an exhausted listing. ## What changed - Resolve session labels using database-only listings ordered by `CreatedAt`, with thread IDs breaking timestamp ties. Accept unique matches across pages with valid timestamp-and-ID cursors, while retaining ambiguity errors for older cursors that cannot establish uniqueness. - Preserve timestamp index ranges for database continuation queries and timestamp-only cursors for listings that may fall back to the filesystem. - Propagate database-only listing and name-resolution failures. Keep best-effort name enrichment for ordinary listings and retry latest-session lookup with scan-and-repair after a database-only error. - Keep loaded sessions selectable in the resume and fork pickers when a later page fails, stop further pagination, and display `Could not load more sessions`. ## Testing Add regression coverage for creation-time continuation after session activity, cursor query plans, filesystem fallback, database and name-query errors, cross-page label uniqueness, older server cursors, and selection after picker pagination failures. GitOrigin-RevId: 264ab2e69b8ad12d9edaa31fd253cb9805a46a90