fix(wake): wake-auto-t3 logs the signal that stops it

CHANGELOG.md

@@ -4,6 +4,9 @@ Notable changes to Swarmail. Versions follow [semantic versioning](https://semve
 
 ## Unreleased
 
+- `swarmail wake-auto-t3` logs `received SIGTERM; stopping` (or `SIGINT`) when it receives the signal, so a
+  signalled stop no longer looks like a silent exit 0 in the journal.
+
 - The provider comparison covers T3 Code 0.1.1 and the reviewed nightly's terminal commands,
   pull-request lookup limits and automatic-notice snooze behavior.
 

src/wake-auto-t3.ts

@@ -632,9 +632,14 @@ export async function wakeAutoT3(args: string[]): Promise<number> {
     return 64;
   }
   const abort = new AbortController();
-  const stop = () => abort.abort();
-  process.once("SIGTERM", stop);
-  process.once("SIGINT", stop);
+  const stopOn = (signalName: string) => () => {
+    console.error(`swarmail wake-auto-t3: received ${signalName}; stopping`);
+    abort.abort();
+  };
+  const onTerm = stopOn("SIGTERM");
+  const onInt = stopOn("SIGINT");
+  process.once("SIGTERM", onTerm);
+  process.once("SIGINT", onInt);
   let lock: ReturnType<typeof openWakeState> | undefined;
   let failures = new Map<string, string>();
   let failuresLoaded = false;
@@ -686,7 +691,7 @@ export async function wakeAutoT3(args: string[]): Promise<number> {
         lock.close();
       }
     }
-    process.removeListener("SIGTERM", stop);
-    process.removeListener("SIGINT", stop);
+    process.removeListener("SIGTERM", onTerm);
+    process.removeListener("SIGINT", onInt);
   }
 }

test/wake-auto-t3.test.ts

@@ -1474,7 +1474,9 @@ test("automatic supervisor waits out a T3 restart and follows its new port", asy
     await stalled?.stop(true);
     f.close();
   }
-  expect(await errors).toContain("T3 backend unavailable; waiting for verified readiness");
+  const log = await errors;
+  expect(log).toContain("T3 backend unavailable; waiting for verified readiness");
+  expect(log.match(/swarmail wake-auto-t3: received SIGTERM; stopping/g)).toHaveLength(1);
 }, 30000);
 
 test("automatic scans repeat only after a T3 commit, a registry write, a reopen or the rescan interval", () => {