chore(ucca): re-sync data/obligations join-keys copy (93 -> 95)

Registry grew to 95 (Capability materialization #5b added CORE obligations).
Keep the ai-sdk build-context copy current so obligation-status reflects the
live registry contract.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ai-compliance-sdk/data/obligations/obligation_join_keys.json

@@ -1,7 +1,7 @@
 {
  "schema_version": "obligation_join_keys_v1",
  "contract": "obligation_id ist der stabile Join-Key. Legal Knowledge Graph haengt citation_spans an obligation_id; Compliance Execution Graph mappt control_mapping.source_norm -> obligation_id. Interim-Bruecke = citation_units. obligation_id NIE neu vergeben (re-link).",
- "count": 93,
+ "count": 95,
  "obligation_ids": [
   {
    "obligation_id": "sbom_creation",
@@ -175,6 +175,26 @@
    ],
    "source_role": "LEGAL_BASIS"
   },
+  {
+   "obligation_id": "attack_surface_minimization",
+   "regulation": "CRA",
+   "family": "core",
+   "tier": "LEGAL_MINIMUM",
+   "citation_units": [
+    "Annex I Part I (2)(j)"
+   ],
+   "source_role": "LEGAL_BASIS"
+  },
+  {
+   "obligation_id": "software_integrity_protection",
+   "regulation": "CRA",
+   "family": "core",
+   "tier": "LEGAL_MINIMUM",
+   "citation_units": [
+    "Annex I Part I (2)(f)"
+   ],
+   "source_role": "LEGAL_BASIS"
+  },
   {
    "obligation_id": "user_authentication_required",
    "regulation": "CRA",