feat: DSFA vollständiges DB-Schema + PDF-Ingest + Tests

- Migration 030: alle fehlenden Spalten für compliance_dsfas (Sections 0-7)
  flat fields: processing_description, legal_basis, dpo_*, authority_*, ...
  JSONB arrays: risks, mitigations, wp248_criteria_met, ai_trigger_ids, ...
  JSONB objects: section_progress, threshold_analysis, review_schedule, metadata
- dsfa_routes.py: DSFACreate/DSFAUpdate erweitert (60+ neue Optional-Felder)
  _dsfa_to_response: alle neuen Felder mit safe _get() Helper
  PUT-Handler: vollständige JSONB_FIELDS-Liste (22 Felder)
- Tests: 101 (+49) Tests — TestAIUseCaseModules + TestDSFAFullSchema
- ingest-dsfa-bundesland.sh: KNOWN_PDF_URLS (15 direkte URLs), download_pdfs()
  find_pdf_for_state() Helper, PDF-first mit Text-Fallback in ingest_all()

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend-compliance/migrations/030_dsfa_full_schema.sql

@@ -0,0 +1,73 @@
+-- Migration 030: DSFA Vollständiges Schema — alle Felder für Sections 0–7
+-- Fügt alle fehlenden Spalten zur compliance_dsfas Tabelle hinzu.
+-- TypeScript-Typen in types.ts erwarten 60+ Felder; bisher waren nur 15 vorhanden.
+
+-- Section 1: Verarbeitungsbeschreibung + Rechtsgrundlage
+ALTER TABLE compliance.compliance_dsfas
+  ADD COLUMN IF NOT EXISTS processing_description    TEXT,
+  ADD COLUMN IF NOT EXISTS processing_purpose        TEXT,
+  ADD COLUMN IF NOT EXISTS legal_basis               VARCHAR(500),
+  ADD COLUMN IF NOT EXISTS legal_basis_details       TEXT;
+
+-- Section 2: Notwendigkeit & Verhältnismäßigkeit
+ALTER TABLE compliance.compliance_dsfas
+  ADD COLUMN IF NOT EXISTS necessity_assessment      TEXT,
+  ADD COLUMN IF NOT EXISTS proportionality_assessment TEXT,
+  ADD COLUMN IF NOT EXISTS data_minimization         TEXT,
+  ADD COLUMN IF NOT EXISTS alternatives_considered   TEXT,
+  ADD COLUMN IF NOT EXISTS retention_justification   TEXT;
+
+-- Section 3: KI-Flags + Risikobewertung
+ALTER TABLE compliance.compliance_dsfas
+  ADD COLUMN IF NOT EXISTS involves_ai               BOOLEAN DEFAULT FALSE,
+  ADD COLUMN IF NOT EXISTS overall_risk_level        VARCHAR(50),
+  ADD COLUMN IF NOT EXISTS risk_score                INTEGER DEFAULT 0;
+
+-- Section 6: DSB & Aufsichtsbehörde
+ALTER TABLE compliance.compliance_dsfas
+  ADD COLUMN IF NOT EXISTS dpo_consulted             BOOLEAN DEFAULT FALSE,
+  ADD COLUMN IF NOT EXISTS dpo_consulted_at          TIMESTAMPTZ,
+  ADD COLUMN IF NOT EXISTS dpo_name                  VARCHAR(255),
+  ADD COLUMN IF NOT EXISTS dpo_opinion               TEXT,
+  ADD COLUMN IF NOT EXISTS dpo_approved              BOOLEAN,
+  ADD COLUMN IF NOT EXISTS authority_consulted       BOOLEAN DEFAULT FALSE,
+  ADD COLUMN IF NOT EXISTS authority_consulted_at    TIMESTAMPTZ,
+  ADD COLUMN IF NOT EXISTS authority_reference       VARCHAR(255),
+  ADD COLUMN IF NOT EXISTS authority_decision        TEXT;
+
+-- Versionierung & Metadaten
+ALTER TABLE compliance.compliance_dsfas
+  ADD COLUMN IF NOT EXISTS version                   INTEGER DEFAULT 1,
+  ADD COLUMN IF NOT EXISTS previous_version_id       UUID,
+  ADD COLUMN IF NOT EXISTS conclusion                TEXT,
+  ADD COLUMN IF NOT EXISTS federal_state             VARCHAR(100),
+  ADD COLUMN IF NOT EXISTS authority_resource_id     VARCHAR(100),
+  ADD COLUMN IF NOT EXISTS submitted_for_review_at   TIMESTAMPTZ,
+  ADD COLUMN IF NOT EXISTS submitted_by              VARCHAR(255);
+
+-- JSONB Arrays
+ALTER TABLE compliance.compliance_dsfas
+  ADD COLUMN IF NOT EXISTS data_subjects              JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS affected_rights            JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS triggered_rule_codes       JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS ai_trigger_ids             JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS wp248_criteria_met         JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS art35_abs3_triggered       JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS tom_references             JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS risks                      JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS mitigations                JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS stakeholder_consultations  JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS review_triggers            JSONB DEFAULT '[]'::jsonb,
+  ADD COLUMN IF NOT EXISTS review_comments            JSONB DEFAULT '[]'::jsonb;
+
+-- JSONB Objekte
+ALTER TABLE compliance.compliance_dsfas
+  ADD COLUMN IF NOT EXISTS threshold_analysis        JSONB,
+  ADD COLUMN IF NOT EXISTS consultation_requirement  JSONB,
+  ADD COLUMN IF NOT EXISTS review_schedule           JSONB,
+  ADD COLUMN IF NOT EXISTS section_progress          JSONB DEFAULT '{}'::jsonb,
+  ADD COLUMN IF NOT EXISTS metadata                  JSONB DEFAULT '{}'::jsonb;
+
+-- Indizes für häufig gefilterte Spalten
+CREATE INDEX IF NOT EXISTS idx_dsfas_federal_state ON compliance.compliance_dsfas(federal_state);
+CREATE INDEX IF NOT EXISTS idx_dsfas_involves_ai   ON compliance.compliance_dsfas(involves_ai);