bugfix: add missing emojis to WIDTH_2_SINGLE for box alignment

Added 📁 (FILE FOLDER), 🌿 (HERB), and 📝 (MEMO) to WIDTH_2_SINGLE set.
These emojis are used in cleanup_handler but were missing from the
display width calculation, causing 1-character misalignment on lines
containing these emojis.

Author: cowwoc

plugin/hooks/skill_handlers/status_handler.py

@@ -25,7 +25,9 @@
 WIDTH_2_SINGLE = {
     '📊', '📦', '🎯', '📋', '🏆', '🧠', '🐱', '🧹', '🤝',
     '✅', '🔍', '👀', '🔭', '⏳', '⚡', '🔒', '✨', '✦',
-    '🔄', '🔳', '🚫', '🚧', '🚀'
+    '🔄', '🔳', '🚫', '🚧', '🚀',
+    # Added for cleanup_handler
+    '📁', '🌿', '📝',
 }