feat(db): add missing columns for cloud sync and alarm region data

migrate_db.py

@@ -0,0 +1,71 @@
+import sqlite3
+
+db_path = 'security_monitor.db'
+conn = sqlite3.connect(db_path)
+cursor = conn.cursor()
+
+def add_column(table_name, col_name, col_type, default_value=None):
+    try:
+        if default_value:
+            cursor.execute(f'ALTER TABLE {table_name} ADD COLUMN {col_name} {col_type} DEFAULT {default_value}')
+        else:
+            cursor.execute(f'ALTER TABLE {table_name} ADD COLUMN {col_name} {col_type}')
+        print(f'添加列 {table_name}.{col_name} 成功')
+        return True
+    except sqlite3.OperationalError as e:
+        if 'duplicate column name' in str(e):
+            print(f'列 {table_name}.{col_name} 已存在')
+            return True
+        else:
+            print(f'添加列 {table_name}.{col_name} 失败: {e}')
+            return False
+
+print('=== 数据库迁移脚本 ===')
+print()
+
+# cameras 表
+print('更新 cameras 表:')
+add_column('cameras', 'cloud_id', 'INTEGER')
+add_column('cameras', 'pending_sync', 'BOOLEAN', '0')
+add_column('cameras', 'sync_failed_at', 'TIMESTAMP')
+add_column('cameras', 'sync_retry_count', 'INTEGER', '0')
+print()
+
+# rois 表
+print('更新 rois 表:')
+add_column('rois', 'cloud_id', 'INTEGER')
+add_column('rois', 'pending_sync', 'BOOLEAN', '0')
+add_column('rois', 'sync_failed_at', 'TIMESTAMP')
+add_column('rois', 'sync_retry_count', 'INTEGER', '0')
+add_column('rois', 'sync_version', 'INTEGER', '0')
+print()
+
+# alarms 表
+print('更新 alarms 表:')
+add_column('alarms', 'cloud_id', 'INTEGER')
+add_column('alarms', 'upload_status', "TEXT", "'pending_upload'")
+add_column('alarms', 'upload_retry_count', 'INTEGER', '0')
+add_column('alarms', 'error_message', 'TEXT')
+add_column('alarms', 'region_data', 'TEXT')
+add_column('alarms', 'llm_checked', 'BOOLEAN', '0')
+add_column('alarms', 'llm_result', 'TEXT')
+add_column('alarms', 'processed', 'BOOLEAN', '0')
+print()
+
+# camera_status 表
+print('更新 camera_status 表:')
+add_column('camera_status', 'last_frame_time', 'TIMESTAMP')
+print()
+
+conn.commit()
+
+# 验证表结构
+print('=== 验证表结构 ===')
+for table in ['cameras', 'rois', 'alarms', 'camera_status']:
+    cursor.execute(f'PRAGMA table_info({table})')
+    cols = [col[1] for col in cursor.fetchall()]
+    print(f'{table}: {len(cols)} 列')
+
+conn.close()
+print()
+print('数据库迁移完成!')