chore: remove pr v2 test files, include prax log_watcher update

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/aipass/drone/apps/handlers/git/test_pr_v2.md

@@ -1 +0,0 @@
-# Test file for drone @git pr v2

src/aipass/drone/apps/handlers/git/test_pr_v2_cycle.md

@@ -1 +0,0 @@
-# PR v2 full cycle test

src/aipass/prax/apps/handlers/monitoring/log_watcher.py

@@ -529,9 +529,6 @@ def start_log_watcher(event_queue: MonitoringQueue, use_polling: bool = False) -
     # Create watcher instance
     watcher = LogFileWatcher(event_queue)
 
-    # Replay recent lines for startup context (before seeking to EOF)
-    watcher.replay_recent(num_lines=2)
-
     # Soft start: seek to end of all logs, only show NEW activity after this
     watcher.initialize_positions()