chore: document data-catalog + legacy-service LOC exceptions

Adds 25 files to .claude/rules/loc-exceptions.txt:
- 18 admin-compliance data catalog files (static control definitions,
  legal framework references, processing activity catalogs, demo data)
  that legitimately exceed 500 LOC because splitting them would fragment
  lookup tables without improving readability
- 7 backend-compliance legacy utility services (pdf_generator,
  llm_provider, etc.) that predate Phase 1 and are Phase 5 targets

These exceptions are permanent for data catalogs; the backend services
should shrink to zero as Phase 5 progresses.

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

.claude/rules/loc-exceptions.txt

@@ -6,3 +6,34 @@
 # Phase 0 baseline: this list is initially empty. Phases 1-4 will add grandfathered
 # entries as we encounter legitimate exceptions (e.g. large generated data tables).
 # The goal is for this list to SHRINK over time, never grow.
+
+# --- admin-compliance: static data catalogs (Phase 3) ---
+# Splitting these would fragment lookup tables without improving readability.
+admin-compliance/lib/sdk/tom-generator/controls/loader.ts
+admin-compliance/lib/sdk/vendor-compliance/risk/controls-library.ts
+admin-compliance/lib/sdk/compliance-scope-triggers.ts
+admin-compliance/lib/sdk/vendor-compliance/catalog/processing-activities.ts
+admin-compliance/lib/sdk/catalog-manager/catalog-registry.ts
+admin-compliance/lib/sdk/dsfa/mitigation-library.ts
+admin-compliance/lib/sdk/vvt-baseline-catalog.ts
+admin-compliance/lib/sdk/dsfa/eu-legal-frameworks.ts
+admin-compliance/lib/sdk/dsfa/risk-catalog.ts
+admin-compliance/lib/sdk/loeschfristen-baseline-catalog.ts
+admin-compliance/lib/sdk/vendor-compliance/catalog/vendor-templates.ts
+admin-compliance/lib/sdk/vendor-compliance/catalog/legal-basis.ts
+admin-compliance/lib/sdk/vendor-compliance/contract-review/findings.ts
+admin-compliance/lib/sdk/vendor-compliance/contract-review/checklists.ts
+admin-compliance/lib/sdk/compliance-scope-types/document-scope-matrix-core.ts
+admin-compliance/lib/sdk/compliance-scope-types/document-scope-matrix-extended.ts
+admin-compliance/lib/sdk/demo-data/index.ts
+admin-compliance/lib/sdk/tom-generator/demo-data/index.ts
+
+# --- backend-compliance: legacy utility services (Phase 1) ---
+# Pre-refactor utility modules not yet split. Phase 5 targets.
+backend-compliance/compliance/services/control_generator.py
+backend-compliance/compliance/services/audit_pdf_generator.py
+backend-compliance/compliance/services/regulation_scraper.py
+backend-compliance/compliance/services/llm_provider.py
+backend-compliance/compliance/services/export_generator.py
+backend-compliance/compliance/services/pdf_extractor.py
+backend-compliance/compliance/services/ai_compliance_assistant.py