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6e666d7ca5
- Change `getMediaDetail` JOIN to LEFT JOIN on `imm_lifetime_media` and fall back to aggregated session metrics when no lifetime row exists - Add filter `AND (lm.video_id IS NOT NULL OR s.session_id IS NOT NULL)` to keep results valid - Add regression test covering the session-visible / media-detail-missing mismatch
58 lines
2.8 KiB
Markdown
58 lines
2.8 KiB
Markdown
---
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id: TASK-346
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title: Fix stats session detail when recent media is missing
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status: Done
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assignee:
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- Codex
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created_date: '2026-05-12 06:41'
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updated_date: '2026-05-12 06:44'
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labels:
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- bug
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- stats
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dependencies: []
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priority: high
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---
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## Description
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<!-- SECTION:DESCRIPTION:BEGIN -->
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Stats overview can show a completed session, but clicking it opens a detail view that says "Media not found". The details view should resolve the session/media consistently for recently completed local playback so users can inspect session cards, words, timeline, and media stats after a video finishes.
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<!-- SECTION:DESCRIPTION:END -->
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## Acceptance Criteria
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<!-- AC:BEGIN -->
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- [x] #1 A completed session listed on the stats overview opens a usable details view instead of "Media not found" when its media is still present in stats data.
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- [x] #2 Regression coverage reproduces the overview-to-detail lookup mismatch and verifies the corrected behavior.
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- [x] #3 Relevant stats/detail documentation is updated if behavior or APIs change.
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<!-- AC:END -->
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## Implementation Plan
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<!-- SECTION:PLAN:BEGIN -->
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1. Add a focused regression test in `src/core/services/immersion-tracker/__tests__/query.test.ts` covering a video/session visible from session summaries before `imm_lifetime_media` exists.
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2. Update `getMediaDetail` in `src/core/services/immersion-tracker/query-library.ts` so detail rows can resolve from `imm_videos` plus session metrics when lifetime summary is absent.
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3. Run the focused query test lane and update task notes/acceptance criteria.
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<!-- SECTION:PLAN:END -->
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## Implementation Notes
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<!-- SECTION:NOTES:BEGIN -->
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Implemented root-cause fix in `getMediaDetail`: media detail now resolves from `imm_videos` plus session metrics when `imm_lifetime_media` is not populated yet, while still preferring lifetime summary totals when available. Added regression test for session-visible/media-detail-missing mismatch. No docs update required because the API shape is unchanged; added changelog fragment `changes/346-stats-session-detail.md`. Verification: `bun test src/core/services/immersion-tracker/__tests__/query.test.ts`, `bun run typecheck`, `bun run format:check:src`, `bun run test:fast`, `bun run changelog:lint`.
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<!-- SECTION:NOTES:END -->
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## Final Summary
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<!-- SECTION:FINAL_SUMMARY:BEGIN -->
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Summary:
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- Fixed stats media detail lookup so sessions visible in overview can open detail even before lifetime media summaries exist.
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- Preserved lifetime-summary totals when available and added a regression test for the missing-lifetime case.
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- Added `changes/346-stats-session-detail.md` for the user-visible fix.
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Tests:
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- `bun test src/core/services/immersion-tracker/__tests__/query.test.ts`
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- `bun run typecheck`
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- `bun run format:check:src`
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- `bun run test:fast`
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- `bun run changelog:lint`
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<!-- SECTION:FINAL_SUMMARY:END -->
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