fix: align Codex hook sources

integrations/catalog.json

@@ -110,6 +110,57 @@
         "mechanism": "exit_code_2",
         "failure_mode": "fail_open"
       },
+      "contract_variants": [
+        {
+          "id": "inlinetoml",
+          "release_channel": "stable",
+          "activation": "Hooks configured inline in an active Codex config.toml or managed requirements.toml layer",
+          "config_format": "toml",
+          "config_paths": [
+            "~/.codex/config.toml",
+            ".codex/config.toml",
+            "requirements.toml"
+          ],
+          "events": {
+            "before_tool": "PreToolUse",
+            "after_tool": "PostToolUse"
+          },
+          "event_fields": {
+            "name": "tool_name",
+            "input": "tool_input",
+            "session": "session_id"
+          },
+          "blocking": {
+            "mechanism": "exit_code_2",
+            "failure_mode": "fail_open"
+          },
+          "source_url": "https://learn.chatgpt.com/docs/hooks"
+        },
+        {
+          "id": "pluginbundle",
+          "release_channel": "stable",
+          "activation": "An enabled Codex plugin supplies hooks through its manifest or default hooks file",
+          "config_format": "plugin",
+          "config_paths": [
+            ".codex-plugin/plugin.json",
+            "hooks/hooks.json"
+          ],
+          "events": {
+            "before_tool": "PreToolUse",
+            "after_tool": "PostToolUse"
+          },
+          "event_fields": {
+            "name": "tool_name",
+            "input": "tool_input",
+            "session": "session_id"
+          },
+          "blocking": {
+            "mechanism": "exit_code_2",
+            "failure_mode": "fail_open"
+          },
+          "source_url": "https://learn.chatgpt.com/docs/hooks"
+        }
+      ],
       "adapters": { "node": true, "python": true, "go": true },
       "delivery_state": "available",
       "source_url": "https://learn.chatgpt.com/docs/hooks"