Fix Neo4j tag filter returning all events instead of filtering (v0.49.2)

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- Change OPTIONAL MATCH to EXISTS subquery for tag filtering in Neo4j
  - OPTIONAL MATCH returned rows even when tags didn't match (NULL values)
  - EXISTS subquery correctly requires matching tags to exist
- Strip "#" prefix from filter tag types before matching
  - Filters use "#d", "#p", "#e" but events store tags without prefix
- Add trace-level logging for Neo4j query debugging
- Add comprehensive tests for Neo4j query builder
- Clean up temporary debug logging from handle-req.go

Files modified:
- pkg/neo4j/query-events.go: Fix tag filtering with EXISTS subquery
- pkg/neo4j/query-events_test.go: Add query builder tests
- app/handle-req.go: Remove debug logging
- pkg/version/version: Bump to v0.49.2

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

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This commit is contained in:

woikos

2026-01-14 17:49:46 +01:00

parent 0e30f7a697

commit e68916ca5d

6 changed files with 645 additions and 26 deletions

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