refactor: 模块解耦

profile_store.py

@@ -0,0 +1,39 @@
+import json
+import sqlite3
+from pathlib import Path
+
+from config import USER_DB_PATH
+
+
+def load_user_profile(user_name: str, db_path: str | Path = USER_DB_PATH) -> str:
+    """在 Python 层直接读档案，注入到消息上下文，模型无需主动调用 get_user_profile。"""
+    try:
+        with sqlite3.connect(db_path) as conn:
+            conn.row_factory = sqlite3.Row
+            user = conn.execute(
+                "SELECT * FROM users WHERE name = ?", (user_name,)
+            ).fetchone()
+            if not user:
+                return f"用户 {user_name} 尚无历史记录，这是第一次见面。"
+            prefs = conn.execute(
+                "SELECT category, content FROM preferences WHERE user_name = ?",
+                (user_name,)
+            ).fetchall()
+            conn.execute(
+                "UPDATE users SET last_seen = datetime('now') WHERE name = ?",
+                (user_name,)
+            )
+            return json.dumps(
+                {
+                    "基本信息": {
+                        "姓名": user["name"],
+                        "年龄": user["age"],
+                        "上次见面": user["last_seen"],
+                    },
+                    "偏好习惯": {p["category"]: p["content"] for p in prefs},
+                },
+                ensure_ascii=False,
+            )
+    except Exception as e:
+        return f"档案读取失败（{e}），当作第一次见面。"
+