Create CET-6 90-day check-in site

db/index.ts

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+import { env } from "cloudflare:workers";
+import { drizzle } from "drizzle-orm/d1";
+import * as schema from "./schema";
+
+export function getDb() {
+  if (!env.DB) {
+    throw new Error(
+      "Cloudflare D1 binding `DB` is unavailable. Set the `d1` field in .openai/hosting.json to `DB` or let your control plane inject the real binding values before using the database."
+    );
+  }
+
+  return drizzle(env.DB, { schema });
+}

db/schema.ts

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+import { sql } from "drizzle-orm";
+import { primaryKey, sqliteTable, text } from "drizzle-orm/sqlite-core";
+export const progress = sqliteTable("progress", {
+  userId: text("user_id").notNull(),
+  planDate: text("plan_date").notNull(),
+  doneTasks: text("done_tasks").notNull().default("[]"),
+  mood: text("mood").notNull().default(""),
+  note: text("note").notNull().default(""),
+  updatedAt: text("updated_at").notNull().default(sql`CURRENT_TIMESTAMP`),
+}, (t) => [primaryKey({ columns: [t.userId, t.planDate] })]);