qa: harden parity gate execution (#70045)

.github/workflows/parity-gate.yml

@@ -41,6 +41,7 @@ jobs:
       # followthrough gate that expects a fast post-approval read within a 30s
       # agent.wait timeout.
       QA_PARITY_CONCURRENCY: "1"
+      OPENCLAW_QA_TRANSPORT_READY_TIMEOUT_MS: "180000"
       OPENAI_API_KEY: ""
       ANTHROPIC_API_KEY: ""
       OPENCLAW_LIVE_OPENAI_KEY: ""
@@ -70,6 +71,13 @@ jobs:
       - name: Build private QA runtime
         run: pnpm build
 
+      - name: Run parity preflight
+        run: |
+          pnpm openclaw qa suite \
+            --provider-mode mock-openai \
+            --model openai/gpt-5.4 \
+            --alt-model anthropic/claude-opus-4-6 \
+            --preflight
       - name: Run GPT-5.4 lane
         run: |
           pnpm openclaw qa suite \