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backend/src/features/stations/migrations/001_create_stations_tables.sql

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+-- Create station cache table
+CREATE TABLE IF NOT EXISTS station_cache (
+  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  place_id VARCHAR(255) UNIQUE NOT NULL,
+  name VARCHAR(255) NOT NULL,
+  address TEXT NOT NULL,
+  latitude DECIMAL(10, 8) NOT NULL,
+  longitude DECIMAL(11, 8) NOT NULL,
+  price_regular DECIMAL(10, 2),
+  price_premium DECIMAL(10, 2),
+  price_diesel DECIMAL(10, 2),
+  rating DECIMAL(2, 1),
+  photo_url TEXT,
+  raw_data JSONB,
+  cached_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Create saved stations table for user favorites
+CREATE TABLE IF NOT EXISTS saved_stations (
+  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  user_id VARCHAR(255) NOT NULL,
+  place_id VARCHAR(255) NOT NULL,
+  nickname VARCHAR(100),
+  notes TEXT,
+  is_favorite BOOLEAN DEFAULT false,
+  created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+  
+  CONSTRAINT unique_user_station UNIQUE(user_id, place_id)
+);
+
+-- Create indexes
+CREATE INDEX idx_station_cache_place_id ON station_cache(place_id);
+CREATE INDEX idx_station_cache_location ON station_cache(latitude, longitude);
+CREATE INDEX idx_station_cache_cached_at ON station_cache(cached_at);
+
+CREATE INDEX idx_saved_stations_user_id ON saved_stations(user_id);
+CREATE INDEX idx_saved_stations_is_favorite ON saved_stations(is_favorite);
+
+-- Add trigger for updated_at
+CREATE TRIGGER update_saved_stations_updated_at
+  BEFORE UPDATE ON saved_stations
+  FOR EACH ROW
+  EXECUTE FUNCTION update_updated_at_column();