fix: MySQL 类型兼容性修复

- 添加 _parse_datetime, _parse_date, _parse_time 辅助函数
- 处理 MySQL 返回原生 datetime/date/time 类型而非字符串的情况
- 修改默认绑定地址为 0.0.0.0 以支持局域网访问

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/vitals/core/database.py

@@ -228,7 +228,7 @@ def get_exercises(start_date: Optional[date] = None, end_date: Optional[date] =
         return [
             Exercise(
                 id=row["id"],
-                date=date.fromisoformat(row["date"]),
+                date=_parse_date(row["date"]),
                 type=row["type"],
                 duration=row["duration"],
                 calories=row["calories"],
@@ -293,7 +293,7 @@ def get_meals(start_date: Optional[date] = None, end_date: Optional[date] = None
         return [
             Meal(
                 id=row["id"],
-                date=date.fromisoformat(row["date"]),
+                date=_parse_date(row["date"]),
                 meal_type=row["meal_type"],
                 description=row["description"],
                 calories=row["calories"],
@@ -357,9 +357,9 @@ def get_sleep_records(start_date: Optional[date] = None, end_date: Optional[date
         return [
             Sleep(
                 id=row["id"],
-                date=date.fromisoformat(row["date"]),
-                bedtime=time.fromisoformat(row["bedtime"]) if row["bedtime"] else None,
-                wake_time=time.fromisoformat(row["wake_time"]) if row["wake_time"] else None,
+                date=_parse_date(row["date"]),
+                bedtime=_parse_time(row["bedtime"]),
+                wake_time=_parse_time(row["wake_time"]),
                 duration=row["duration"],
                 quality=row["quality"],
                 deep_sleep_mins=row["deep_sleep_mins"],
@@ -417,7 +417,7 @@ def get_weight_records(start_date: Optional[date] = None, end_date: Optional[dat
         return [
             Weight(
                 id=row["id"],
-                date=date.fromisoformat(row["date"]),
+                date=_parse_date(row["date"]),
                 weight_kg=row["weight_kg"],
                 body_fat_pct=row["body_fat_pct"],
                 muscle_mass=row["muscle_mass"],
@@ -502,13 +502,40 @@ def add_user(user: User) -> int:
         return cursor.lastrowid
 
 
+def _parse_datetime(value) -> datetime:
+    """将字符串或 datetime 转换为 datetime 对象"""
+    if value is None:
+        return None
+    if isinstance(value, datetime):
+        return value
+    return datetime.fromisoformat(value)
+
+
+def _parse_date(value) -> date:
+    """将字符串或 date 转换为 date 对象"""
+    if value is None:
+        return None
+    if isinstance(value, date):
+        return value
+    return date.fromisoformat(value)
+
+
+def _parse_time(value) -> time:
+    """将字符串或 time 转换为 time 对象"""
+    if value is None:
+        return None
+    if isinstance(value, time):
+        return value
+    return time.fromisoformat(value)
+
+
 def _row_to_user(row) -> User:
     """将数据库行转换为 User 对象"""
     keys = row.keys()
     return User(
         id=row["id"],
         name=row["name"],
-        created_at=datetime.fromisoformat(row["created_at"]),
+        created_at=_parse_datetime(row["created_at"]),
         is_active=bool(row["is_active"]),
         gender=row["gender"] if "gender" in keys else None,
         height_cm=row["height_cm"] if "height_cm" in keys else None,
@@ -740,7 +767,7 @@ def get_readings(
             Reading(
                 id=row["id"],
                 user_id=row["user_id"],
-                date=date.fromisoformat(row["date"]),
+                date=_parse_date(row["date"]),
                 title=row["title"],
                 author=row["author"],
                 cover_url=row["cover_url"],
@@ -761,7 +788,7 @@ def get_reading(reading_id: int) -> Optional[Reading]:
             return Reading(
                 id=row["id"],
                 user_id=row["user_id"],
-                date=date.fromisoformat(row["date"]),
+                date=_parse_date(row["date"]),
                 title=row["title"],
                 author=row["author"],
                 cover_url=row["cover_url"],
@@ -894,8 +921,8 @@ def get_invites(created_by: Optional[int] = None) -> list[Invite]:
                 code=row["code"],
                 created_by=row["created_by"],
                 used_by=row["used_by"],
-                created_at=datetime.fromisoformat(row["created_at"]),
-                expires_at=datetime.fromisoformat(row["expires_at"]) if row["expires_at"] else None,
+                created_at=_parse_datetime(row["created_at"]),
+                expires_at=_parse_datetime(row["expires_at"]),
             )
             for row in cursor.fetchall()
         ]
@@ -912,8 +939,8 @@ def get_invite_by_code(code: str) -> Optional[Invite]:
                 code=row["code"],
                 created_by=row["created_by"],
                 used_by=row["used_by"],
-                created_at=datetime.fromisoformat(row["created_at"]),
-                expires_at=datetime.fromisoformat(row["expires_at"]) if row["expires_at"] else None,
+                created_at=_parse_datetime(row["created_at"]),
+                expires_at=_parse_datetime(row["expires_at"]),
             )
         return None
 

src/vitals/web/app.py

@@ -8697,7 +8697,7 @@ def _export_report_file(report, format: str, prefix: str, exporter):
     )
 
 
-def run_server(host: str = "127.0.0.1", port: int = 8080):
+def run_server(host: str = "0.0.0.0", port: int = 8080):
     """启动 Web 服务器"""
     import uvicorn
     uvicorn.run(app, host=host, port=port)