feat: IACE CE-Compliance Module — Normen, Risikobewertung, Production Lines

Major features:
- 215 norms library with section references + Beuth URLs (A/B1/B2/C norms)
- 173 hazard patterns with detail fields (scenario, trigger, harm, zone)
- Deterministic pattern matching: Component × Lifecycle × Pattern cross-product
- SIL/PL auto-calculation from S×E×P risk graph
- Risk assessment table with editable S/E/P dropdowns
- Production Line Dashboard with animated station flow (Running Dots)
- IACE process flow + norms coverage on start page
- Non-blocking cookie banner, ProcessFlow SSR fix
- 104 Playwright E2E tests passing

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

admin-compliance/app/api/sdk/v1/iace/[[...path]]/route.ts

@@ -30,15 +30,15 @@ async function proxyRequest(
       headers['Authorization'] = authHeader
     }
 
+    // Default tenant/user for IACE (same pattern as training proxy)
+    const DEFAULT_TENANT = process.env.DEFAULT_TENANT_ID || '9282a473-5c95-4b3a-bf78-0ecc0ec71d3e'
+    const DEFAULT_USER = '00000000-0000-0000-0000-000000000001'
+
     const tenantHeader = request.headers.get('x-tenant-id')
-    if (tenantHeader) {
-      headers['X-Tenant-Id'] = tenantHeader
-    }
+    headers['X-Tenant-Id'] = tenantHeader || DEFAULT_TENANT
 
     const userHeader = request.headers.get('x-user-id')
-    if (userHeader) {
-      headers['X-User-Id'] = userHeader
-    }
+    headers['X-User-Id'] = userHeader || DEFAULT_USER
 
     const fetchOptions: RequestInit = {
       method,