fix(server): avoid macos path walks in terminal polling

apps/server/src/terminal/Manager.test.ts

@@ -24,6 +24,7 @@ import * as Ref from "effect/Ref";
 import * as Schedule from "effect/Schedule";
 import * as Scope from "effect/Scope";
 import * as TestClock from "effect/testing/TestClock";
+import * as ChildProcessSpawner from "effect/unstable/process/ChildProcessSpawner";
 import { expect } from "vite-plus/test";
 
 import * as ProcessRunner from "../processRunner.ts";
@@ -953,6 +954,52 @@ it.layer(
     }),
   );
 
+  it.effect("uses absolute utility paths for macOS subprocess polling", () =>
+    Effect.gen(function* () {
+      const calls: ProcessRunner.ProcessRunInput[] = [];
+      const runner = ProcessRunner.ProcessRunner.of({
+        run: (input) => {
+          calls.push(input);
+          const stdout =
+            input.args[0] === "-P"
+              ? "10001\n"
+              : input.args[0] === "-eo"
+                ? "10001 9000\n"
+                : input.args.includes("comm=")
+                  ? ""
+                  : "/usr/bin/node\n";
+          return Effect.succeed({
+            stdout,
+            stderr: "",
+            code: ChildProcessSpawner.ExitCode(0),
+            timedOut: false,
+            stdoutTruncated: false,
+            stderrTruncated: false,
+            stdoutInvalidUtf8: false,
+            stderrInvalidUtf8: false,
+          });
+        },
+      });
+
+      const { manager } = yield* createManager(5, { subprocessPollIntervalMs: 20 }).pipe(
+        Effect.provideService(ProcessRunner.ProcessRunner, runner),
+        Effect.provide(withHostPlatform("darwin")),
+      );
+      yield* manager.open(openInput());
+      yield* waitFor(
+        Effect.sync(() => calls.length >= 4),
+        "1200 millis",
+      );
+
+      expect(calls.slice(0, 4).map(({ command }) => command)).toEqual([
+        "/usr/bin/pgrep",
+        "/bin/ps",
+        "/bin/ps",
+        "/bin/ps",
+      ]);
+    }),
+  );
+
   it.effect("caps persisted history to configured line limit", () =>
     Effect.gen(function* () {
       const { manager, ptyAdapter } = yield* createManager(3);

apps/server/src/terminal/Manager.ts

@@ -703,9 +703,11 @@ const posixInspectSubprocess = Effect.fn("terminal.posixInspectSubprocess")(func
   ProcessRunner.ProcessRunner
 > {
   const processRunner = yield* ProcessRunner.ProcessRunner;
+  const pgrepCommand = platform === "darwin" ? "/usr/bin/pgrep" : "pgrep";
+  const psCommand = platform === "darwin" ? "/bin/ps" : "ps";
   const runPgrep = processRunner
     .run({
-      command: "pgrep",
+      command: pgrepCommand,
       args: ["-P", String(terminalPid)],
       timeout: "1 second",
       maxOutputBytes: 32_768,
@@ -725,7 +727,7 @@ const posixInspectSubprocess = Effect.fn("terminal.posixInspectSubprocess")(func
 
   const runPs = processRunner
     .run({
-      command: "ps",
+      command: psCommand,
       args: ["-eo", "pid=,ppid="],
       timeout: "1 second",
       maxOutputBytes: 262_144,
@@ -776,7 +778,7 @@ const posixInspectSubprocess = Effect.fn("terminal.posixInspectSubprocess")(func
   }
 
   const runComm = processRunner.run({
-    command: "ps",
+    command: psCommand,
     args: ["-p", String(childPid), "-o", "comm="],
     timeout: "1 second",
     maxOutputBytes: 8_192,
@@ -792,7 +794,7 @@ const posixInspectSubprocess = Effect.fn("terminal.posixInspectSubprocess")(func
 
   if (!rawComm || rawComm.length === 0) {
     const runArgs = processRunner.run({
-      command: "ps",
+      command: psCommand,
       args: ["-p", String(childPid), "-o", "args="],
       timeout: "1 second",
       maxOutputBytes: 16_384,