diff --git a/src/autoclaude/cli.py b/src/autoclaude/cli.py
index 0efa1cc..2d78dc2 100644
--- a/src/autoclaude/cli.py
+++ b/src/autoclaude/cli.py
@@ -277,6 +277,32 @@ class ClaudeCLI:
         self.save_targets(targets)
         self.print_success(f"Added target: {session}:{window}")
 
+    def _add_all_targets(self, session: str):
+        windows = self.tmux.list_windows(session)
+        if not windows:
+            self.print_warning(f"No windows found in session {session}")
+            return False
+
+        targets = self.load_targets()
+        if session not in targets['targets']:
+            targets['targets'][session] = []
+
+        added = []
+        for window in windows:
+            win_idx = window['index']
+            if win_idx not in targets['targets'][session]:
+                targets['targets'][session].append(win_idx)
+                added.append(win_idx)
+
+        if added:
+            targets['targets'][session].sort()
+            self.save_targets(targets)
+            self.print_success(f"Added targets: {session}:{added}")
+            return True
+        else:
+            self.print_info(f"All windows in {session} already monitored")
+            return True
+
     def _remove_target(self, session: str, window: int) -> bool:
         targets = self.load_targets()
         if session in targets['targets'] and window in targets['targets'][session]: