Steve Yegge ed23f8f4fe Optimize GetReadyWork to use blocked_issues_cache ...

Replaces expensive recursive CTE query with simple cache lookup,
achieving 96% performance improvement on 10K databases (bd-5qim).

Performance results:
- Before: ~752ms (recursive CTE on every call)
- After: ~29ms (cache lookup + filters)
- Target: <50ms ✓

The query now uses a simple NOT EXISTS check against the
blocked_issues_cache table instead of computing the full
blocked issue tree on every call.

Cache is maintained by invalidateBlockedCache() called on
dependency and status changes (added in next commit).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-20 19:29:30 -05:00

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