fix(ci): keep fork embedded-agent shard alive on cold runners (#115035)

* fix(ci): unstick fork embedded-agent shard

* test(ci): allow cold embedded harness setup

scripts/lib/ci-node-test-plan.mjs

@@ -30,6 +30,11 @@ const GATEWAY_STARTUP_CORE_RUNNER = DEFAULT_NODE_TEST_RUNNER;
 const GATEWAY_STARTUP_HEALTH_RUNTIME_ENV = {
   OPENCLAW_VITEST_NO_OUTPUT_TIMEOUT_MS: "60000",
 };
+// The first embedded-agent file owns 157 serial tests and can stay quiet for
+// more than five minutes on a cold GitHub-hosted 4-vCPU fork runner.
+const AGENTS_EMBEDDED_AGENT_ENV = {
+  OPENCLAW_VITEST_NO_OUTPUT_TIMEOUT_MS: "420000",
+};
 const MAX_BUNDLED_NODE_TEST_PATTERNS = 64;
 // PR-only bundles trade a little serial work for fewer ephemeral runner registrations.
 // Keep runner classes and subprocess isolation intact while bounding each combined job.
@@ -71,7 +76,9 @@ const COMPACT_GROUP_SECONDS_HINTS = new Map([
   ["agentic-agents-core-runtime", 79],
   ["agentic-agents-core-subagents", 32],
   ["agentic-agents-core-tools", 52],
-  ["agentic-agents-embedded", 57],
+  // A cold fork run is about 430s and emits no file result for most of its
+  // first five minutes. Keep this whole-config whale in its own compact job.
+  ["agentic-agents-embedded", 430],
   ["agentic-agents-support", 105],
   ["agentic-agents-tools", 42],
   ["agentic-cli", 72],
@@ -1183,6 +1190,7 @@ const SPLIT_NODE_SHARDS = new Map([
       {
         shardName: "agentic-agents-embedded",
         configs: ["test/vitest/vitest.agents-embedded-agent.config.ts"],
+        env: AGENTS_EMBEDDED_AGENT_ENV,
         requiresDist: false,
       },
       {