feat: add project-scoped operations

app/domain/schemas/place_search.py

@@ -1,5 +1,3 @@
-from typing import Literal
-
 from pydantic import BaseModel, ConfigDict, Field
 
 MAX_PLACE_SEARCH_RESULTS = 10
@@ -11,6 +9,13 @@ class PlaceSearchRequest(BaseModel):
     keyword: str = Field(..., min_length=1, max_length=120)
 
 
+class ReverseGeocodingRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    longitude: float = Field(ge=-180, le=180, allow_inf_nan=False)
+    latitude: float = Field(ge=-90, le=90, allow_inf_nan=False)
+
+
 class PlaceSearchItem(BaseModel):
     id: str = Field(..., min_length=1)
     name: str = Field(..., min_length=1)
@@ -18,11 +23,11 @@ class PlaceSearchItem(BaseModel):
     longitude: float = Field(..., ge=-180, le=180, allow_inf_nan=False)
     latitude: float = Field(..., ge=-90, le=90, allow_inf_nan=False)
     category: str | None = None
-    district: Literal["奉贤区"] = "奉贤区"
+    district: str = Field(min_length=1)
 
 
 class PlaceSearchResponse(BaseModel):
     items: list[PlaceSearchItem] = Field(..., max_length=MAX_PLACE_SEARCH_RESULTS)
     total: int = Field(..., ge=0, le=MAX_PLACE_SEARCH_RESULTS)
     truncated: bool = False
-    region: Literal["奉贤区"] = "奉贤区"
+    region: str = Field(min_length=1)