Add Agent Permission Policy schema (.agents/permissions.json) (#5666)

* Add Agent Permission Policy schema (.agents/permissions.json)

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: Mearman

src/api/json/catalog.json

@@ -9709,6 +9709,15 @@
       "fileMatch": ["*.nexusrpc.yaml", "*.nexusrpc.yml"],
       "url": "https://raw.githubusercontent.com/nexus-rpc/nexus-rpc-gen/main/schemas/nexus-rpc-gen.json"
     },
+    {
+      "name": "Agent Permission Policy",
+      "description": "Cross-agent permission policy for AI coding agents",
+      "fileMatch": [
+        "**/.agents/permissions.json",
+        "**/.agents/permissions.local.json"
+      ],
+      "url": "https://raw.githubusercontent.com/Mearman/agent-permissions/main/agent-permissions.schema.json"
+    },
     {
       "name": "AgentCore CLI",
       "description": "Configuration file for Amazon Bedrock AgentCore CLI projects",