feat(pi-notifications): use 'tell application' for notifications to suppress Show button

- Tell target app (default: Ghostty) to display notification instead of raw osascript
- This attributes notification to the app, avoiding the 'Show' button that opens Script Editor
- Configurable via PI_NOTIFICATION_APP env var
- test-notify.ts falls back to plain display notification if target app isn't running
- Synced to auto-discovery extension path

.pi/llm-metrics.log

@@ -25,3 +25,12 @@
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packages/pi-notifications/src/index.ts

@@ -10,6 +10,7 @@ const agentEndEnabled = process.env.PI_NOTIFICATION_AGENT_END !== "false";
 const debug = process.env.PI_NOTIFICATION_DEBUG === "true";
 const title = process.env.PI_NOTIFICATION_TITLE || "pi";
 const sound = process.env.PI_NOTIFICATION_SOUND || "default";
+const targetApp = process.env.PI_NOTIFICATION_APP || "Ghostty";
 
 function notify(body: string, subtitle?: string): void {
   if (!enabled) return;
@@ -17,8 +18,10 @@ function notify(body: string, subtitle?: string): void {
     const sub = subtitle ? `subtitle "${subtitle}"` : "";
     // "default" is a reserved word in AppleScript, so only add sound param if it's a custom sound
     const snd = sound && sound !== "default" ? `sound "${sound}"` : "";
+    // Tell the target app to display the notification — avoids the "Show" button
+    // that appears when osascript is the attributed app
     execSync(
-      `osascript -e 'display notification "${body}" with title "${title}" ${sub} ${snd}'`.trim(),
+      `osascript -e 'tell application "${targetApp}" to display notification "${body}" with title "${title}" ${sub} ${snd}'`.trim(),
       { stdio: "ignore" }
     );
   } catch {

packages/pi-notifications/src/test-notify.ts

@@ -9,17 +9,44 @@ import { execSync } from "node:child_process";
 
 const title = process.env.PI_NOTIFICATION_TITLE || "pi";
 const sound = process.env.PI_NOTIFICATION_SOUND || "default";
+const targetApp = process.env.PI_NOTIFICATION_APP || "Ghostty";
 
 // "default" is a reserved word in AppleScript, so only add sound param if it's a custom sound
 const soundArg = sound && sound !== "default" ? `sound "${sound}"` : "";
 
-try {
+function tryNotify(tellApp: string): string {
+  const cmd = `osascript -e 'tell application "${tellApp}" to display notification "Test notification from pi-notifications" with title "${title}" ${soundArg}'`.trim();
+  return cmd;
+}
+
+function tryPlainNotify(): string {
   const cmd = `osascript -e 'display notification "Test notification from pi-notifications" with title "${title}" ${soundArg}'`.trim();
-  console.log("[test-notify] running:", cmd);
-  execSync(cmd, { stdio: ["ignore", "pipe", "pipe"] });
+  return cmd;
+}
+
+let cmd = tryNotify(targetApp);
+let success = false;
+let lastError: string | undefined;
+
+// Try telling the target app first, fall back to plain display notification
+for (const attempt of [
+  { cmd: tryNotify(targetApp), label: `tell "${targetApp}"` },
+  { cmd: tryPlainNotify(), label: "plain" },
+]) {
+  try {
+    console.log(`[test-notify] trying ${attempt.label}:`, attempt.cmd);
+    execSync(attempt.cmd, { stdio: ["ignore", "pipe", "pipe"] });
+    success = true;
+    break;
+  } catch (e: any) {
+    lastError = e.message;
+    console.log(`[test-notify] ${attempt.label} failed:`, e.message.split("\n")[0]);
+  }
+}
+
+if (success) {
   console.log("[test-notify] ✅ Notification sent — check your Notification Center");
-} catch (e: any) {
-  console.error("[test-notify] ❌ Failed:", e.message);
-  console.error("[test-notify] Try running the command directly in bash to verify osascript works.");
+} else {
+  console.error("[test-notify] ❌ Failed:", lastError);
   process.exit(1);
 }

plans/pi-notifications-version-0.md

@@ -42,10 +42,20 @@ If `execSync` fails silently, try:
 
 ### 2. Check macOS notification settings
 
-The notification might be suppressed by macOS settings:
-- System Settings → Notifications → check that "Terminal" or "pi" is allowed
-- Check if "Show Notifications on Lock Screen" is enabled
-- Check if "Focus Modes" are suppressing notifications
+Notifications may be delivered but not shown as banners:
+- **System Settings → Notifications → Ghostty → Notification Style** — must be "Banners" or "Alerts", not "None" (osascript fires from the Ghostty process, so macOS attributes notifications to Ghostty, not "pi")
+- **System Settings → Focus → [active focus] → Apps** — ensure "Ghostty" is not excluded
+- **System Settings → Notifications → Show Notifications on Lock Screen** — enable if needed
+
+**Known symptom:** Notifications appear in Notification Center when pulled down, but never pop up as banners. This is a macOS style setting, not a code issue.
+
+### 3. Ghostty suppresses banners when focused
+
+Ghostty intentionally silences banner notifications (no pop-up, no sound) when the Ghostty window is **active/focused**. The notification is still delivered to Notification Center. Banners only appear when Ghostty is **not** the active window.
+
+**Workarounds:**
+- **System Settings → Notifications → Ghostty → Alert Style → "Persistent"** — macOS shows these as banners regardless of Ghostty's silencing
+- **Switch to another app** (e.g. leave your browser open) when you want to see the banner
 
 ### 3. Try alternative notification methods