Family board: rewards show only the chosen goal, with a Choose a reward pop-up for children without one

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tools/board-test.js

@@ -24,6 +24,8 @@ const hub = http.createServer((req, res) => req.url.startsWith('/api/chores') ?
     assert.equal((await act(kid.id, 'claim')).status, 200, 'Kai takes it with one tap'); cb = (await call('/api/board?day=' + today, {}, dev)).json.chores.find(c => c.chore === ch.id); assert.equal(cb.claimed, true); assert.equal(cb.userName, 'Kai');
     assert.equal((await act(bob.id, 'done')).status, 403, 'Bob has no PIN, so he cannot act as himself yet'); assert.equal((await act(kid.id, 'done')).status, 200); cb = (await call('/api/board?day=' + today, {}, dev)).json.chores.find(c => c.chore === ch.id); assert.equal(cb.done, true); assert.equal(cb.doneBy, 'Kai');
     assert.equal((await act(kid.id, 'undo')).status, 200); assert.equal((await post('/api/board/chore', { uid: kid.id, chore: ch.id, action: 'done' }, '')).status, 403, 'only a family device can do this'); assert.equal((await act(kid.id, 'nope')).status, 400);
+    const rw = (await post('/api/chores/reward', { title: 'Movie night', points: 20 }, 'hub_session=' + session(ann).slice(12))).json; assert.ok(rw && rw.id, 'a reward exists'); const gl = (b, who = dev) => post('/api/board/goal', { uid: kid.id, date: today, ...b }, who);
+    assert.equal((await gl({ reward: rw.id }, '')).status, 403, 'only a family device can choose'); assert.equal((await gl({ reward: rw.id })).status, 200, 'Kai chooses a goal from the family screen'); assert.equal(((await call('/api/board?day=' + today, {}, dev)).json.week.people.find(p => p.id === kid.id) || {}).goal, rw.id, 'and the board shows it as the goal'); assert.equal((await gl({ reward: 'nope' })).status, 400);
     const add = b => post('/api/board/add', { uid: kid.id, ...b }, dev), day0 = new Date().toISOString().slice(0, 10);
     assert.equal((await add({ kind: 'task', text: 'Water the plants', due: day0 })).status, 200, 'Kai adds a family task'); assert.ok((await call('/api/tasks?list=local:family', {}, 'hub_session=' + session(ann).slice(12))).status !== 500); assert.ok(JSON.stringify((await call('/api/board?day=' + day0, {}, dev)).json.tasks).includes('Water the plants'), 'and it shows on the board');
     assert.equal((await add({ kind: 'event', text: 'Movie night', date: day0, time: '19:00', tz: 'UTC' })).status, 200); assert.ok(JSON.stringify((await call('/api/board?day=' + day0, {}, dev)).json.events).includes('Movie night'), 'a timed event lands on the family calendar');