feat(dashboard): owner-only GET/PUT /api/dashboard/layout

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/api/index.js

@@ -23,6 +23,7 @@ import { router as searchRouter } from './routes/search.js';
 import { router as jobsRouter } from './routes/jobs.js';
 import { router as captureRouter } from './routes/capture.js';
 import { spacesScopedRouter as companionRouter } from './routes/companion.js';
+import { router as dashboardRouter } from './routes/dashboard.js';
 
 export function mountApi(app) {
   const api = Router();
@@ -53,6 +54,7 @@ export function mountApi(app) {
   api.use('/search', searchRouter);
   api.use('/jobs', jobsRouter);
   api.use('/capture', captureRouter);
+  api.use('/dashboard', dashboardRouter);
   api.use('/:entity_type/:entity_id/tags', tagsByEntityRouter);
 
   api.use((_req, _res, next) => next(new NotFoundError('route not found')));

lib/api/routes/dashboard.js

@@ -0,0 +1,26 @@
+import { Router } from 'express';
+import { z } from 'zod';
+import { validate } from '../validate.js';
+import { asyncWrap } from '../errors.js';
+import { requireOwner } from '../cap.js';
+import * as repo from '../../db/repos/dashboard_layout.js';
+
+export const router = Router();
+router.use(requireOwner);
+
+const layoutSchema = z.object({
+  card_order: z.array(z.string()).default([]),
+  hidden: z.array(z.string()).default([]),
+  sizes: z.record(z.enum(['s', 'm', 'l'])).default({})
+});
+
+router.get('/layout', asyncWrap(async (_req, res) => {
+  res.json(await repo.get());
+}));
+
+router.put('/layout',
+  validate({ body: layoutSchema }),
+  asyncWrap(async (req, res) => {
+    res.json(await repo.put(req.body));
+  })
+);