fix(responses): Address Warden schema and fixture feedback

Normalize volatile SDK_DIR build-setting keys in structured and text snapshot
fixtures, and include video-recording captures in the v2 capture-result schema.

Co-Authored-By: OpenAI Codex <noreply@openai.com>

Author: cameroncooke

schemas/structured-output/xcodebuildmcp.output.capture-result/2.schema.json

@@ -203,6 +203,35 @@
                 "type",
                 "uiHierarchy"
               ]
+            },
+            {
+              "type": "object",
+              "additionalProperties": false,
+              "properties": {
+                "type": {
+                  "const": "video-recording"
+                },
+                "state": {
+                  "enum": [
+                    "started",
+                    "stopped"
+                  ]
+                },
+                "fps": {
+                  "type": "integer",
+                  "minimum": 1
+                },
+                "outputFile": {
+                  "type": "string"
+                },
+                "sessionId": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "type",
+                "state"
+              ]
             }
           ]
         },

src/core/__tests__/structured-output-schema.test.ts

@@ -193,6 +193,34 @@ describe('structured output schema bundling', () => {
     ).toBe(true);
   });
 
+  it('accepts video recording capture payloads in the bumped capture contract', () => {
+    const schema = getMcpOutputSchema({
+      schema: 'xcodebuildmcp.output.capture-result',
+      version: '2',
+    });
+    const ajv = new Ajv2020({ allErrors: true, strict: true, validateSchema: true });
+    const validate = ajv.compile(schema);
+
+    expect(
+      validate({
+        schema: 'xcodebuildmcp.output.capture-result',
+        schemaVersion: '2',
+        didError: false,
+        error: null,
+        data: {
+          summary: { status: 'SUCCEEDED' },
+          artifacts: { simulatorId: 'A-SIMULATOR-ID' },
+          capture: {
+            type: 'video-recording',
+            state: 'started',
+            fps: 30,
+            sessionId: 'recording-session',
+          },
+        },
+      }),
+    ).toBe(true);
+  });
+
   it('accepts normal and minimal request-bearing envelopes in the bumped contracts', () => {
     const ajv = new Ajv2020({ allErrors: true, strict: true, validateSchema: true });
     const cases = [