feat: implementar Fase 2 del roadmap (Modo Replica Exacta / Mirroring)

backend/migrate_mirroring.py

@@ -0,0 +1,36 @@
+import sqlite3
+import os
+
+DB_PATH = os.path.join(os.path.dirname(__file__), "onever_drive.db")
+
+def migrate():
+    print(f"Connecting to {DB_PATH}...")
+    conn = sqlite3.connect(DB_PATH)
+    cursor = conn.cursor()
+    
+    # Add sync_deletions to backup_jobs
+    try:
+        cursor.execute("ALTER TABLE backup_jobs ADD COLUMN sync_deletions BOOLEAN DEFAULT 0 NOT NULL")
+        print("Column 'sync_deletions' added to backup_jobs.")
+    except sqlite3.OperationalError as e:
+        print(f"Could not add 'sync_deletions' (maybe it already exists?): {e}")
+        
+    # Add client_relative_path to backup_sessions
+    try:
+        cursor.execute("ALTER TABLE backup_sessions ADD COLUMN client_relative_path VARCHAR(1024) NULL")
+        print("Column 'client_relative_path' added to backup_sessions.")
+    except sqlite3.OperationalError as e:
+        print(f"Could not add 'client_relative_path' to backup_sessions (maybe it already exists?): {e}")
+        
+    # Add client_relative_path to backup_files
+    try:
+        cursor.execute("ALTER TABLE backup_files ADD COLUMN client_relative_path VARCHAR(1024) DEFAULT '' NOT NULL")
+        print("Column 'client_relative_path' added to backup_files.")
+    except sqlite3.OperationalError as e:
+        print(f"Could not add 'client_relative_path' to backup_files (maybe it already exists?): {e}")
+        
+    conn.commit()
+    conn.close()
+
+if __name__ == "__main__":
+    migrate()