feat(pipeline): F1 regulation registry — DB-backed license/source-type lookup

Migrates REGULATION_LICENSE_MAP (135 entries) and SOURCE_REGULATION_CLASSIFICATION
(58 entries) from hardcoded Python dicts to compliance.regulation_registry table.

- SQL migration: 002_regulation_registry.sql (table + indexes + trigger)
- Migration script: f1_migrate_regulation_registry.py (162 rows, --dry-run)
- RegulationRegistry cache: 5min TTL, prefix fallback, graceful degradation
- control_generator._classify_regulation() delegates to DB with dict fallback
- source_type_classification.classify_source_regulation() delegates to DB
- 34 new tests (lookup, cache, degradation, migration data consistency)
- 421 total tests pass, 0 regressions

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

control-pipeline/services/anchor_finder.py

@@ -17,9 +17,6 @@ import httpx
 
 from .control_generator import (
     GeneratedControl,
-    REGULATION_LICENSE_MAP,
-    _RULE2_PREFIXES,
-    _RULE3_PREFIXES,
     _classify_regulation,
 )