fix: harden dev stack process detection

tests/scripts/dev-stack.test.ts

@@ -4,10 +4,15 @@ import {
   createStackConfig,
   formatServiceLogs,
   getDefaultTemporalCandidates,
+  getServiceCommandMatchers,
+  isServiceHealthy,
+  isServiceProcessMatch,
   resolveTemporalCli,
   selectServicesForLogs,
 } from "../../scripts/dev-stack/stack.mjs";
 
+type StackService = ReturnType<typeof createStackConfig>["services"][number];
+
 describe("createStackConfig", () => {
   it("derives frontend and sibling backend paths from the workspace root", () => {
     const config = createStackConfig("/Volumes/DockCase/codes/auto-virtual-tryon-frontend");
@@ -181,3 +186,50 @@ describe("formatServiceLogs", () => {
     );
   });
 });
+
+describe("service process matching", () => {
+  it("does not treat an unrelated process with a reused pid as the frontend service", () => {
+    const config = createStackConfig("/Volumes/DockCase/codes/auto-virtual-tryon-frontend");
+    const frontend = config.services.find((service: StackService) => service.key === "frontend");
+
+    expect(frontend).toBeDefined();
+    expect(
+      isServiceProcessMatch(frontend!, "node /tmp/unrelated-script.js --watch"),
+    ).toBe(false);
+  });
+
+  it("builds stable command matchers for backend api and worker processes", () => {
+    const config = createStackConfig("/Volumes/DockCase/codes/auto-virtual-tryon-frontend");
+    const backendApi = config.services.find((service: StackService) => service.key === "backend-api");
+    const backendWorker = config.services.find((service: StackService) => service.key === "backend-worker");
+
+    expect(getServiceCommandMatchers(backendApi!)).toEqual(["uvicorn", "app.main:app"]);
+    expect(getServiceCommandMatchers(backendWorker!)).toEqual(["app.workers.runner"]);
+  });
+
+  it("requires the expected port to be open for port-bound services", () => {
+    const config = createStackConfig("/Volumes/DockCase/codes/auto-virtual-tryon-frontend");
+    const backendApi = config.services.find((service: StackService) => service.key === "backend-api");
+
+    expect(
+      isServiceHealthy(backendApi!, {
+        pid: 123,
+        processCommand: "/path/to/python -m uvicorn app.main:app --host 127.0.0.1 --port 8000",
+        portOpen: false,
+      }),
+    ).toBe(false);
+  });
+
+  it("allows worker services without ports when the process command matches", () => {
+    const config = createStackConfig("/Volumes/DockCase/codes/auto-virtual-tryon-frontend");
+    const backendWorker = config.services.find((service: StackService) => service.key === "backend-worker");
+
+    expect(
+      isServiceHealthy(backendWorker!, {
+        pid: 123,
+        processCommand: "/path/to/python -m app.workers.runner",
+        portOpen: false,
+      }),
+    ).toBe(true);
+  });
+});