fix(stats): version lexical rollups and preserve backfill writes

- Persist vocabulary_visible on imm_words and filter rollups/triggers by it, matching the totals' exclusion rules
- Normalize legacy second/millisecond timestamps when bucketing rollup rows into local days
- Replace the boolean rollup-ready flag with a version key so schema changes trigger an atomic rebuild
- Preserve queued playback writes during rollup backfill instead of dropping them under queue pressure
- Time out the lexical rollup worker instead of hanging forever on no response
- Key concurrent vocabulary summary requests by their known-words snapshot so they no longer share stale state
- Bound stats dashboard retries for unfinished vocabulary loads before showing the inline Retry control
This commit is contained in:
2026-08-17 23:49:04 -07:00
parent e64763b487
commit 3b89886557
20 changed files with 506 additions and 93 deletions
+3 -1
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@@ -23,7 +23,9 @@ Trend charts now consume one chart-oriented backend payload from `/api/stats/tre
- lookup rate trends
- watch-time by day-of-week/hour
- vocabulary-backed:
- new-words trend
- new-words trend reads permanent daily lexical rollups
- rollup rows count only vocabulary-visible tokens and normalize mixed legacy timestamp units
- a persisted rollup version invalidates stale materializations and triggers an atomic background rebuild
## Metric Semantics