feat: auth system, scrip scheduler, UI widgets, and new API routes

- Add session-based authentication (login page, middleware, auth context)
- Add cron-like scrip scheduler for time-based conditions
- Add layout builder, scrip wizard, searchable select components
- Add trend chart widget for dashboards
- Add notifications, attachments, queue-permissions API routes
- Add seed-users script
- Update schema with 10 new migrations (0008-0017)
- Apply redesign: Linear-inspired dark theme, conversation-centric UI
- Gitignore runtime data directory

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

scripts/seed-users.ts

@@ -0,0 +1,28 @@
+import { drizzle } from 'drizzle-orm/node-postgres';
+import { Pool } from 'pg';
+import { users } from '../src/db/schema.ts';
+
+const pool = new Pool({ connectionString: process.env.DATABASE_URL! });
+const db = drizzle(pool);
+
+const BATCH = 100;
+const TOTAL = 1000;
+const password = await Bun.password.hash('password');
+
+console.log(`Inserting ${TOTAL} users...`);
+for (let i = 0; i < TOTAL; i += BATCH) {
+  const batch = [];
+  for (let j = i; j < Math.min(i + BATCH, TOTAL); j++) {
+    const n = String(j).padStart(4, '0');
+    batch.push({
+      username: `user${n}`,
+      email: `user${n}@test.local`,
+      role: 'staff',
+      password_hash: password,
+    });
+  }
+  await db.insert(users).values(batch as any).onConflictDoNothing();
+  process.stdout.write('.');
+}
+console.log(`\nDone. ${TOTAL} users seeded.`);
+await pool.end();