chore(spec): regenerate api-surface snapshot for defineCapability exports

The A5 branch added defineCapability + CapabilityDeclaration* exports but did
not commit the regenerated api-surface snapshot; CI check:api-surface flagged
6 unregistered exports. Regenerated against a fresh dts build.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019QRUvVfpvSycAHMMF2xTxs

Author: claude

packages/spec/api-surface-signatures.json

@@ -3,6 +3,7 @@
   "defineAgent": "sha256:130533285b3deea4",
   "defineApp": "sha256:bef0d76d5076259a",
   "defineBook": "sha256:07a6e25c6be3f3bd",
+  "defineCapability": "sha256:b080cc5480782d6c",
   "defineConnector": "sha256:827b4a4bb56a83b5",
   "defineCube": "sha256:635855b04c960946",
   "defineDatasource": "sha256:e0ec3b5f9db26aca",

packages/spec/api-surface.json

@@ -108,6 +108,7 @@
     "defineAgent (function)",
     "defineApp (function)",
     "defineBook (function)",
+    "defineCapability (function)",
     "defineConnector (function)",
     "defineCube (function)",
     "defineDatasource (function)",
@@ -3913,6 +3914,9 @@
     "AdminScope (type)",
     "AdminScopeInput (type)",
     "AdminScopeSchema (const)",
+    "CapabilityDeclaration (type)",
+    "CapabilityDeclarationInput (type)",
+    "CapabilityDeclarationSchema (const)",
     "CriteriaSharingRule (type)",
     "CriteriaSharingRuleSchema (const)",
     "ExplainDecision (type)",
@@ -3958,6 +3962,7 @@
     "TerritoryModelSchema (const)",
     "TerritorySchema (const)",
     "TerritoryType (const)",
+    "defineCapability (function)",
     "definePermissionSet (function)",
     "defineSharingRule (function)",
     "describeAnchorForbiddenBits (function)",