Stress test suite: 9/9 passed — architecture validated
Tests:
1. Concurrent (10 queries): avg 48ms, max 50ms, no contention
2. Cross-reference (1.3M rows): 130ms, 3 JOINs + anti-join
3. Restart recovery: 12 datasets, 100K rows identical after restart
4. Pagination: 100K rows in 1000 pages, random page fetch works
5. Sustained: 70 QPS over 100 queries, 0 errors
6. Journal: write, flush, read-back correct
7. Tool registry: 6 tools execute correctly with audit
8. Cache: hot/cold verified
9. MySQL comparison: schema-on-read, vector+SQL, portable backup, PII auto-detect
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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