Initial commit: snapAna 截图智能整理工具

包含 FastAPI 后端、React 前端、队列/OCR/标签/待办等完整功能。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/services/settings_store.py

@@ -0,0 +1,50 @@
+"""读取/写入键值设置。"""
+from __future__ import annotations
+
+import json
+from typing import Any, Optional
+
+from sqlalchemy.orm import Session
+
+from app.models.setting import Setting
+
+
+def get_setting(session: Session, key: str, default: Any = None) -> Any:
+    """读取并 JSON 解析。"""
+    row = session.get(Setting, key)
+    if row is None:
+        return default
+    try:
+        return json.loads(row.value_json)
+    except json.JSONDecodeError:
+        return default
+
+
+def set_setting(session: Session, key: str, value: Any) -> None:
+    """JSON 序列化后落库（upsert）。"""
+    row = session.get(Setting, key)
+    payload = json.dumps(value, ensure_ascii=False)
+    if row is None:
+        session.add(Setting(key=key, value_json=payload))
+    else:
+        row.value_json = payload
+    session.flush()
+
+
+def all_settings(session: Session) -> dict[str, Any]:
+    """返回所有设置，给前端调试 / 导出。"""
+    items: dict[str, Any] = {}
+    for row in session.query(Setting).all():
+        try:
+            items[row.key] = json.loads(row.value_json)
+        except json.JSONDecodeError:
+            items[row.key] = row.value_json
+    return items
+
+
+def get_provider_config(session: Session, key: str) -> Optional[dict[str, Any]]:
+    """便捷读取 OCR/VLM provider 配置 dict。"""
+    value = get_setting(session, key, None)
+    if isinstance(value, dict):
+        return value
+    return None