perf(test): refresh extension memory hotspots from gh logs (#60159)

test/scripts/test-parallel.test.ts

@@ -253,6 +253,34 @@ describe("scripts/test-parallel memory trace parsing", () => {
       ],
     });
   });
+
+  it("parses memory trace summaries from gh run job logs", () => {
+    const summaries = parseMemoryTraceSummaryLines(
+      [
+        "checks-fast-extensions-6\tRun extensions (node)\t2026-04-03T04:07:10.5924943Z [test-parallel][mem] summary extensions-batch-22-shard-6 files=15 peak=2.66GiB totalDelta=+470.5MiB peakAt=poll top=extensions/microsoft-foundry/index.test.ts:+1.35GiB, extensions/acpx/src/service.test.ts:+212.1MiB",
+      ].join("\n"),
+    );
+
+    expect(summaries).toEqual([
+      {
+        lane: "extensions-batch-22-shard-6",
+        files: 15,
+        peakRssKb: parseMemoryValueKb("2.66GiB"),
+        totalDeltaKb: parseMemoryValueKb("+470.5MiB"),
+        peakAt: "poll",
+        top: [
+          {
+            file: "extensions/microsoft-foundry/index.test.ts",
+            deltaKb: parseMemoryValueKb("+1.35GiB"),
+          },
+          {
+            file: "extensions/acpx/src/service.test.ts",
+            deltaKb: parseMemoryValueKb("+212.1MiB"),
+          },
+        ],
+      },
+    ]);
+  });
 });
 
 describe("scripts/test-parallel lane planning", () => {

test/scripts/test-planner.test.ts

@@ -207,6 +207,38 @@ describe("test planner", () => {
     artifacts.cleanupTempArtifacts();
   });
 
+  it("auto-isolates newly-seeded extension memory survivors in CI", () => {
+    const env = {
+      CI: "true",
+      GITHUB_ACTIONS: "true",
+      RUNNER_OS: "Linux",
+      OPENCLAW_TEST_HOST_CPU_COUNT: "4",
+      OPENCLAW_TEST_HOST_MEMORY_GIB: "16",
+    };
+    const artifacts = createExecutionArtifacts(env);
+    const plan = buildExecutionPlan(
+      {
+        profile: null,
+        mode: "ci",
+        surfaces: ["extensions"],
+        passthroughArgs: [],
+      },
+      {
+        env,
+        platform: "linux",
+        writeTempJsonArtifact: artifacts.writeTempJsonArtifact,
+      },
+    );
+
+    const hotspotFile = bundledPluginFile("bluebubbles", "src/send.test.ts");
+    const hotspotUnit = plan.selectedUnits.find((unit) => unit.args.includes(hotspotFile));
+
+    expect(hotspotUnit).toBeTruthy();
+    expect(hotspotUnit?.isolate).toBe(true);
+    expect(hotspotUnit?.reasons).toContain("extensions-memory-heavy");
+    artifacts.cleanupTempArtifacts();
+  });
+
   it("auto-isolates timed-heavy channel suites in CI", () => {
     const env = {
       CI: "true",

test/scripts/test-update-memory-hotspots-sources.test.ts

@@ -0,0 +1,48 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { loadHotspotInputTexts } from "../../scripts/test-update-memory-hotspots-sources.mjs";
+
+const tempFiles = [];
+
+afterEach(() => {
+  for (const tempFile of tempFiles.splice(0)) {
+    try {
+      fs.unlinkSync(tempFile);
+    } catch {
+      // Ignore temp cleanup races in tests.
+    }
+  }
+});
+
+describe("test-update-memory-hotspots source loading", () => {
+  it("loads local log files with basename-derived source names", () => {
+    const tempLog = path.join(os.tmpdir(), `openclaw-hotspots-${Date.now()}.log`);
+    tempFiles.push(tempLog);
+    fs.writeFileSync(tempLog, "local log");
+
+    expect(loadHotspotInputTexts({ logPaths: [tempLog] })).toEqual([
+      { sourceName: path.basename(tempLog, ".log"), text: "local log" },
+    ]);
+  });
+
+  it("loads GitHub Actions job logs through gh", () => {
+    const execFileSyncImpl = vi.fn(() => "remote log");
+
+    expect(
+      loadHotspotInputTexts({
+        ghJobs: ["69804189668"],
+        execFileSyncImpl,
+      }),
+    ).toEqual([{ sourceName: "gh-job-69804189668", text: "remote log" }]);
+    expect(execFileSyncImpl).toHaveBeenCalledWith(
+      "gh",
+      ["run", "view", "--job", "69804189668", "--log"],
+      {
+        encoding: "utf8",
+        maxBuffer: 64 * 1024 * 1024,
+      },
+    );
+  });
+});