Added Documents Feature

backend/src/features/stations/README.md

@@ -1,7 +1,7 @@
 # Stations Feature Capsule
 
-## Summary
-Search nearby gas stations via Google Maps and manage users' saved stations.
+## Quick Summary (50 tokens)
+Search nearby gas stations via Google Maps and manage users' saved stations with user-owned saved lists. Caches search results for 1 hour. JWT required for all endpoints.
 
 ## API Endpoints (JWT required)
 - `POST /api/stations/search` — Search nearby stations
@@ -22,7 +22,7 @@ Search nearby gas stations via Google Maps and manage users' saved stations.
 ## Dependencies
 - Internal: core/auth, core/cache
 - External: Google Maps API (Places)
-- Database: stations table
+- Database: stations table (see `docs/DATABASE-SCHEMA.md`)
 
 ## Quick Commands
 ```bash
@@ -32,9 +32,6 @@ npm test -- features/stations
 # Run feature migrations
 npm run migrate:feature stations
 ```
-
-## Clarifications Needed
-- Search payload structure (required fields, radius/filters)?
-- Saved station schema and required fields?
-- Caching policy for searches (TTL, cache keys)?
-- Rate limits or quotas for Google Maps calls?
+ 
+## Notes
+- Search payload and saved schema to be finalized; align with Google Places best practices and platform quotas. Caching policy: 1 hour TTL (key `stations:search:{query}`).