fix: address codex migration review feedback

transcript-watch.example.json

@@ -41,13 +41,14 @@
         },
         {
           "name": "tool-use",
-          "match": { "path": "payload.type", "in": ["function_call", "custom_tool_call", "web_search_call", "exec_command"] },
+          "match": { "path": "payload.type", "in": ["function_call", "custom_tool_call", "web_search_call"] },
           "action": "tool_use",
           "fields": {
             "toolId": "payload.call_id",
             "toolName": {
               "coalesce": [
                 "payload.name",
+                "payload.type",
                 { "value": "web_search" }
               ]
             },
@@ -61,9 +62,32 @@
             }
           }
         },
+        {
+          "name": "exec-command-end",
+          "match": { "path": "payload.type", "in": ["exec_command_end", "exec_command_output"] },
+          "action": "observation",
+          "fields": {
+            "toolUseId": "payload.call_id",
+            "toolName": { "value": "exec_command" },
+            "toolInput": {
+              "coalesce": [
+                "payload.command",
+                "payload.input"
+              ]
+            },
+            "toolResponse": {
+              "coalesce": [
+                "payload.aggregated_output",
+                "payload.output",
+                "payload.stdout",
+                "payload.stderr"
+              ]
+            }
+          }
+        },
         {
           "name": "tool-result",
-          "match": { "path": "payload.type", "in": ["function_call_output", "custom_tool_call_output", "exec_command_output"] },
+          "match": { "path": "payload.type", "in": ["function_call_output", "custom_tool_call_output"] },
           "action": "tool_result",
           "fields": {
             "toolId": "payload.call_id",