Add check-in feature and update travel planner UI

server/app/schemas.py

@@ -55,24 +55,12 @@ Interest = Literal["自然风光", "文化场馆", "生态科普", "美食", "
 class TravelPreferences(APIModel):
     destination: Literal["深圳市光明区"] = "深圳市光明区"
     themes: list[Theme] = Field(default_factory=list, max_length=5)
-    duration: Duration
     pace: Pace
     interests: list[Interest] = Field(default_factory=list, max_length=5)
-    adults: int = Field(default=2, ge=0, le=20)
-    children: int = Field(default=0, ge=0, le=20)
-    child_ages: list[int] = Field(default_factory=list, max_length=20)
     transport: Transport = Transport.PUBLIC_TRANSPORT
-    budget_level: BudgetLevel = BudgetLevel.STANDARD
-    extra_requirements: str = Field(default="", max_length=500)
 
     @model_validator(mode="after")
     def validate_group(self) -> "TravelPreferences":
-        if self.adults + self.children < 1:
-            raise ValueError("出行总人数至少为 1")
-        if self.child_ages and len(self.child_ages) != self.children:
-            raise ValueError("儿童年龄数量必须与儿童人数一致")
-        if any(age < 0 or age > 17 for age in self.child_ages):
-            raise ValueError("儿童年龄须在 0 至 17 岁之间")
         if len(set(self.themes)) != len(self.themes):
             raise ValueError("出行主题不能重复")
         if len(set(self.interests)) != len(self.interests):