Add CP→CA→PI platform foundation on MapMil monorepo.

Unify parsing workers, analytics API with PostgreSQL, map UI, and PI distribution into centers/ with Docker Compose.

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

backend/app/schemas.py

@@ -0,0 +1,48 @@
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, ConfigDict, Field
+
+ObjectType = Literal["point", "marker", "zone", "other"]
+
+
+class MapObjectCreate(BaseModel):
+    name: str = Field(min_length=1, max_length=255)
+    description: str = ""
+    type: ObjectType
+    latitude: float = Field(ge=-90, le=90)
+    longitude: float = Field(ge=-180, le=180)
+    created_at: datetime | None = None
+
+
+class MapObjectRead(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    name: str
+    description: str
+    type: ObjectType
+    latitude: float
+    longitude: float
+    created_at: datetime
+
+
+class MapObjectUpdate(BaseModel):
+    name: str | None = Field(default=None, min_length=1, max_length=255)
+    description: str | None = None
+    type: ObjectType | None = None
+    latitude: float | None = Field(default=None, ge=-90, le=90)
+    longitude: float | None = Field(default=None, ge=-180, le=180)
+    created_at: datetime | None = None
+
+
+class ObjectMediaRead(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    object_id: int
+    original_name: str
+    content_type: str
+    size: int
+    created_at: datetime
+    url: str