first commit

lib/db/index.ts

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+import { drizzle } from 'drizzle-orm/postgres-js';
+import postgres from 'postgres';
+import * as schema from './schema';
+
+const connectionString = process.env.DATABASE_URL!;
+
+if (!connectionString) {
+  throw new Error('DATABASE_URL is required');
+}
+
+// For query client (server)
+const client = postgres(connectionString);
+
+export const db = drizzle(client, { schema });
+
+export * from './schema';

lib/db/schema.ts

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+import { pgTable, serial, text, timestamp, numeric, integer, uuid, jsonb } from 'drizzle-orm/pg-core';
+
+export const trips = pgTable('trips', {
+  id: uuid('id').primaryKey().defaultRandom(),
+  destination: text('destination').notNull(),
+  lat: numeric('lat'),
+  lng: numeric('lng'),
+  startDate: timestamp('start_date', { withTimezone: true }),
+  numDays: integer('num_days').notNull(),
+  totalBudget: numeric('total_budget'),
+  currency: text('currency').default('EUR'),
+  preferences: jsonb('preferences').$type<string[]>().default([]),
+  experienceMode: text('experience_mode').default('balanced'),
+  estimatedTotalCost: numeric('estimated_total_cost'),
+  createdAt: timestamp('created_at', { withTimezone: true }).defaultNow(),
+});
+
+export const activities = pgTable('activities', {
+  id: serial('id').primaryKey(),
+  tripId: uuid('trip_id').references(() => trips.id, { onDelete: 'cascade' }),
+  dayNumber: integer('day_number').notNull(),
+  startTime: text('start_time'),
+  title: text('title').notNull(),
+  type: text('type').notNull(), // attraction | restaurant | bar | event | meal | other
+  estimatedCost: numeric('estimated_cost'),
+  address: text('address'),
+  lat: numeric('lat'),
+  lng: numeric('lng'),
+  rating: numeric('rating'),
+  source: text('source'),
+  sourceUrl: text('source_url'),
+  notes: text('notes'),
+  orderInDay: integer('order_in_day').default(0),
+});
+
+export type Trip = typeof trips.$inferSelect;
+export type NewTrip = typeof trips.$inferInsert;
+export type Activity = typeof activities.$inferSelect;
+export type NewActivity = typeof activities.$inferInsert;