feat(K): Phase K EU Compliance — AI Registry, DPIA, Incident Register, Retention Admin, Tests, Doku

- K-REG: GET /api/v1/compliance/ai-registry — lists all agents with ai_use_case_metadata
- K-DPIA: GET /api/v1/compliance/dpia-template — pre-filled DPIA template export
- K-INC: ComplianceIncident model, Migration 0133 (RLS), CRUD routes (admin-only)
- K-RET: GET/PATCH /api/v1/compliance/retention-policies — 5 policies editable
- K-COMP-TEST: 12/12 integration tests pass
- K-DOC: docs/compliance.md — Betriebsdoku
- Frontend: ComplianceTab.tsx in SettingsAI.tsx (new tab)
- 13 files created/modified

PROGRESS.md

@@ -279,4 +279,21 @@ Siehe `ENTERPRISE_READINESS_PLAN.md` für Details.
 
 ---
 
+## Phase K — EU Compliance Finalization (2026-08-21)
+
+**Status:** ✅ Alle 6 Tasks umgesetzt
+
+| # | Task | Status | Details |
+|---|------|--------|---------|
+| 1 | K-REG AI Registry | ✅ Done | GET /api/v1/compliance/ai-registry, ComplianceTab.tsx in SettingsAI.tsx |
+| 2 | K-DPIA DPIA Support | ✅ Done | GET /api/v1/compliance/dpia-template, DPIA Export Button |
+| 3 | K-INC Incident Register | ✅ Done | ComplianceIncident model, Migration 0133 (RLS), CRUD routes (admin-only) |
+| 4 | K-RET Retention Admin | ✅ Done | GET/PATCH /api/v1/compliance/retention-policies, 5 policies editable |
+| 5 | K-COMP-TEST Tests | ✅ Done | 12/12 integration tests pass |
+| 6 | K-DOC Doku | ✅ Done | docs/compliance.md — Betriebsdoku |
+
+**Tests:** 12/12 passed | **tsc:** 0 errors | **Migration:** 0133 | **RLS:** 115 tables
+
+---
+
 *Diese Datei wird vom Agent bei jedem Task-Status-Wechsel aktualisiert. Sie ist die schnelle Übersicht über den Fortschritt. Detaillierte Diskussion und Bug-Tracking laufen über Forgejo Issues.*