chore: initial baseline with P0-safety .gitignore

backend/check_db.py

@@ -0,0 +1,14 @@
+import sqlite3
+conn = sqlite3.connect('it_smart_desk.db')
+cursor = conn.cursor()
+cursor.execute('PRAGMA table_info(conversations)')
+cols = [row[1] for row in cursor.fetchall()]
+print('Columns in conversations table:')
+for c in cols:
+    print(f'  {c}')
+print()
+missing = ['impact_scope', 'is_blocking', 'emotion_state']
+for m in missing:
+    status = "EXISTS" if m in cols else "MISSING!"
+    print(f'{m}: {status}')
+conn.close()