Skip app startup screens with warmup logic

- Added warmup counter to skip first 3 steps after entering app
- Reset counter when leaving target app
- Prevents recording splash screens as videos

Co-Authored-By: Claude <noreply@anthropic.com>

phone_agent/video_learning.py

@@ -242,6 +242,10 @@ class VideoLearningAgent:
         # Video detection: track screenshot changes (simplified)
         self._last_screenshot_hash: Optional[str] = None
 
+        # Skip app startup screens
+        self._in_app_steps: int = 0
+        self._warmup_steps: int = 3  # Skip first 3 steps after entering app
+
         # Screenshot analyzer for content extraction
         self._analyzer: Optional[ScreenshotAnalyzer] = None
         try:
@@ -405,7 +409,15 @@ class VideoLearningAgent:
             is_in_target = any(pkg.lower() in current_app.lower() for pkg in packages)
 
             if not is_in_target:
-                print(f"[VideoLearning] Not in target app: {current_app} (step {result.step_count})")
+                # Reset warmup counter when leaving app
+                self._in_app_steps = 0
+                print(f"[VideoLearning] Not in target app: {current_app}")
+                return None
+
+            # Warmup: skip first few steps to avoid startup screens
+            self._in_app_steps += 1
+            if self._in_app_steps <= self._warmup_steps:
+                print(f"[VideoLearning] Warmup step {self._in_app_steps}/{self._warmup_steps}, skipping...")
                 return None
 
             # Get screenshot