feat(freigabe): Import/Screening/Modules/RAG — API-Tests, Migration 031, Bug-Fix

- import_routes: GET /gap-analysis/{document_id} implementiert
- import_routes: Bug-Fix — gap_analysis_result vor try-Block initialisiert
  (verhindert UnboundLocalError bei DB-Fehler)
- test_import_routes: 21 neue API-Endpoint-Tests (59 total, alle grün)
- test_screening_routes: 18 neue API-Endpoint-Tests (74 total, alle grün)
- 031_modules.sql: Migration für compliance_service_modules,
  compliance_module_regulations, compliance_module_risks
- test_module_routes: 20 neue Tests für Module-Registry-Routen (alle grün)
- freigabe-module.md: MkDocs-Seite für Import/Screening/Modules/RAG
- mkdocs.yml: Nav-Eintrag "Freigabe-Module (Paket 2)"

Gesamt: 146 neue Tests, alle bestanden

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

backend-compliance/migrations/031_modules.sql

@@ -0,0 +1,82 @@
+-- Migration 031: Service Module Registry Tables
+-- Creates tables for compliance_service_modules, compliance_module_regulations,
+-- and compliance_module_risks (aligned with SQLAlchemy models in db/models.py).
+
+CREATE TABLE IF NOT EXISTS compliance_service_modules (
+    id          TEXT PRIMARY KEY DEFAULT gen_random_uuid()::TEXT,
+    name        TEXT NOT NULL UNIQUE,
+    display_name TEXT NOT NULL,
+    description TEXT,
+
+    -- Technical details
+    service_type        TEXT,
+    port                INTEGER,
+    technology_stack    JSONB DEFAULT '[]',
+    repository_path     TEXT,
+    docker_image        TEXT,
+
+    -- Data categories
+    data_categories         JSONB DEFAULT '[]',
+    processes_pii           BOOLEAN DEFAULT FALSE,
+    processes_health_data   BOOLEAN DEFAULT FALSE,
+    ai_components           BOOLEAN DEFAULT FALSE,
+
+    -- Status & compliance
+    is_active               BOOLEAN DEFAULT TRUE,
+    criticality             TEXT DEFAULT 'medium',
+    compliance_score        FLOAT,
+    last_compliance_check   TIMESTAMPTZ,
+
+    -- Owner
+    owner_team      TEXT,
+    owner_contact   TEXT,
+
+    -- Timestamps
+    created_at  TIMESTAMPTZ DEFAULT NOW(),
+    updated_at  TIMESTAMPTZ DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS ix_module_type_active
+    ON compliance_service_modules (service_type, is_active);
+
+-- Regulation mappings (module → regulation with relevance level)
+CREATE TABLE IF NOT EXISTS compliance_module_regulations (
+    id              TEXT PRIMARY KEY DEFAULT gen_random_uuid()::TEXT,
+    module_id       TEXT NOT NULL REFERENCES compliance_service_modules(id) ON DELETE CASCADE,
+    regulation_id   TEXT NOT NULL REFERENCES compliance_regulations(id) ON DELETE CASCADE,
+
+    relevance_level     TEXT NOT NULL DEFAULT 'medium',
+    notes               TEXT,
+    applicable_articles JSONB DEFAULT '[]',
+
+    created_at  TIMESTAMPTZ DEFAULT NOW(),
+    updated_at  TIMESTAMPTZ DEFAULT NOW(),
+
+    CONSTRAINT uq_module_regulation UNIQUE (module_id, regulation_id)
+);
+
+CREATE INDEX IF NOT EXISTS ix_module_regulation_module
+    ON compliance_module_regulations (module_id);
+
+CREATE INDEX IF NOT EXISTS ix_module_regulation_regulation
+    ON compliance_module_regulations (regulation_id);
+
+-- Module risks (module → risk with module-specific assessment)
+CREATE TABLE IF NOT EXISTS compliance_module_risks (
+    id          TEXT PRIMARY KEY DEFAULT gen_random_uuid()::TEXT,
+    module_id   TEXT NOT NULL REFERENCES compliance_service_modules(id) ON DELETE CASCADE,
+    risk_id     TEXT NOT NULL REFERENCES compliance_risks(id) ON DELETE CASCADE,
+
+    module_likelihood   INTEGER,
+    module_impact       INTEGER,
+    module_risk_level   TEXT,
+    assessment_notes    TEXT,
+
+    created_at  TIMESTAMPTZ DEFAULT NOW(),
+    updated_at  TIMESTAMPTZ DEFAULT NOW(),
+
+    CONSTRAINT uq_module_risk UNIQUE (module_id, risk_id)
+);
+
+CREATE INDEX IF NOT EXISTS ix_module_risk_module
+    ON compliance_module_risks (module_id);