feat(hooks): add notify-send after agent hook

Author: apiad

.gemini/hooks/notify.py

@@ -0,0 +1,34 @@
+import subprocess
+import os
+import sys
+from utils import send_hook_decision
+
+def notify_user():
+    """
+    Sends a desktop notification using notify-send.
+    Fails gracefully if notify-send is not available.
+    """
+    try:
+        # Get the project name from the current directory
+        project_name = os.path.basename(os.getcwd())
+        
+        # Determine the message based on the hook context
+        message = f"Gemini CLI has finished in '{project_name}'"
+        
+        # Try to call notify-send
+        subprocess.run(
+            ["notify-send", "Gemini CLI", message, "--icon=terminal"],
+            check=False,
+            stderr=subprocess.DEVNULL,
+            stdout=subprocess.DEVNULL
+        )
+    except Exception:
+        # Gracefully handle cases where notify-send is not installed or fails
+        pass
+
+if __name__ == "__main__":
+    # Perform the notification
+    notify_user()
+    
+    # Always allow the agent to proceed
+    send_hook_decision("allow")

.gemini/settings.json

@@ -76,6 +76,11 @@
             "name": "update-journal-and-changelog",
             "type": "command",
             "command": "python3 .gemini/hooks/journal.py"
+          },
+          {
+            "name": "notify-user",
+            "type": "command",
+            "command": "python3 .gemini/hooks/notify.py"
           }
         ]
       }