Add database schema and Kysely packages

- Create initial database migration with full auth schema:
  - users, sessions, passkeys, devices tables
  - orgs, org_members, org_sites, org_invites tables
  - email_verifications, password_resets, login_requests tables
  - Indexes for common lookups and cleanup jobs
- Add @reviq/db-schema package with kysely-codegen
- Add @reviq/db package with Kysely client

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/db/eslint.config.js

@@ -0,0 +1,12 @@
+import { configs } from "@macalinao/eslint-config";
+
+export default [
+  ...configs.fast,
+  {
+    languageOptions: {
+      parserOptions: {
+        tsconfigRootDir: import.meta.dirname,
+      },
+    },
+  },
+];

packages/db/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "@reviq/db",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "scripts": {
+    "build": "tsc",
+    "clean": "tsc --build --clean && rm -rf dist/ node_modules/ .eslintcache",
+    "lint": "eslint . --cache"
+  },
+  "dependencies": {
+    "@reviq/db-schema": "workspace:*",
+    "kysely": "^0.28.9",
+    "pg": "^8.13.1"
+  },
+  "devDependencies": {
+    "@types/node": "^25.0.3",
+    "@types/pg": "^8.11.10",
+    "@macalinao/tsconfig": "catalog:",
+    "typescript": "catalog:"
+  }
+}

packages/db/src/client.ts

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+/**
+ * Kysely database client
+ *
+ * @module @reviq/db
+ */
+
+import { Kysely, PostgresDialect } from "kysely";
+import type { Database } from "@reviq/db-schema";
+import pg from "pg";
+
+const { Pool } = pg;
+
+/**
+ * Creates a new Kysely database client
+ *
+ * @param connectionString - PostgreSQL connection string (defaults to DATABASE_URL env var)
+ * @returns Kysely database instance
+ */
+export const createDb = (
+  connectionString: string = process.env.DATABASE_URL || ""
+): Kysely<Database> => {
+  if (!connectionString) {
+    throw new Error(
+      "Database connection string is required. Set DATABASE_URL environment variable."
+    );
+  }
+
+  const dialect = new PostgresDialect({
+    pool: new Pool({
+      connectionString,
+    }),
+  });
+
+  return new Kysely<Database>({
+    dialect,
+  });
+};

packages/db/src/index.ts

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+/**
+ * Database client for RevIQ Publisher Dashboard
+ *
+ * @module @reviq/db
+ */
+
+import type { Kysely } from "kysely";
+import type { Database } from "@reviq/db-schema";
+import { createDb } from "./client.js";
+
+/**
+ * Default database instance
+ *
+ * Uses DATABASE_URL environment variable for connection
+ */
+export const db: Kysely<Database> = createDb();
+
+/**
+ * Export createDb for creating custom database instances
+ */
+export { createDb } from "./client.js";
+
+/**
+ * Re-export database types from db-schema
+ */
+export type { Database } from "@reviq/db-schema";

packages/db/tsconfig.json

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+{
+  "extends": "@macalinao/tsconfig/tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "declaration": true,
+    "declarationMap": true,
+    "types": ["node"]
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist"]
+}