feat: add aiprovider service foundation

backend/.env.example

@@ -1,23 +1,26 @@
-# Database
+PROJECT_NAME=Intelligent Planet Plan
+APP_VERSION=0.23.0
+
+SECRET_KEY=change_me_to_a_random_secret
+ALGORITHM=HS256
+ACCESS_TOKEN_EXPIRE_MINUTES=0
+REFRESH_TOKEN_EXPIRE_DAYS=0
+
 POSTGRES_SERVER=localhost
 POSTGRES_USER=postgres
 POSTGRES_PASSWORD=postgres
 POSTGRES_DB=planet_db
+DATABASE_URL=postgresql+asyncpg://postgres:postgres@localhost:5432/planet_db
 
-# Redis
 REDIS_SERVER=localhost
 REDIS_PORT=6379
+REDIS_DB=0
+REDIS_URL=redis://localhost:6379/0
 
-# Security
-SECRET_KEY=your-secret-key-change-in-production
-ALGORITHM=HS256
-ACCESS_TOKEN_EXPIRE_MINUTES=15
-REFRESH_TOKEN_EXPIRE_DAYS=7
+AI_PROVIDER_SERVICE_URL=http://localhost:8010
+AI_PROVIDER_SERVICE_TOKEN=change_me
+AI_PROVIDER_TIMEOUT_SECONDS=60
+AI_PROVIDER_RETRY_ATTEMPTS=2
 
-# API
-API_V1_STR=/api/v1
-PROJECT_NAME="Intelligent Planet Plan"
-VERSION=1.0.0
-
-# CORS
-CORS_ORIGINS=["http://localhost:3000", "http://localhost:8000"]
+SPACETRACK_USERNAME=
+SPACETRACK_PASSWORD=