feat: add backend FastAPI structure and Supabase schema

server/app/api/routes/addresses_router.py

@@ -0,0 +1,43 @@
+from fastapi import APIRouter, HTTPException, Depends
+from pydantic import BaseModel
+from typing import Optional
+
+from app.db.database import get_connection
+from app.core.dependencies import get_current_user
+
+router = APIRouter()
+
+class AddressCreate(BaseModel):
+    lat: float
+    lng: float
+    alias: Optional[str] = None
+    address_text: str
+
+@router.post("/addresses")
+async def create_address(
+    address: AddressCreate,
+    current_user: dict = Depends(get_current_user)
+):
+    # Determine route based on location (simplified - in production use PostGIS)
+    route_id = "RUTA-01"  # Mock: should calculate based on lat/lng
+    
+    conn = get_connection()
+    cursor = conn.execute(
+        "INSERT INTO addresses (user_id, alias, lat, lng, route_id) VALUES (?, ?, ?, ?, ?) RETURNING id",
+        (current_user["id"], address.alias, address.lat, address.lng, route_id)
+    )
+    address_id = cursor.fetchone()[0]
+    conn.commit()
+    conn.close()
+    
+    return {"id": address_id, "route_id": route_id}
+
+@router.get("/addresses")
+async def get_addresses(current_user: dict = Depends(get_current_user)):
+    conn = get_connection()
+    addresses = conn.execute(
+        "SELECT id, alias, lat, lng, route_id FROM addresses WHERE user_id = ?",
+        (current_user["id"],)
+    ).fetchall()
+    conn.close()
+    return [dict(addr) for addr in addresses]