feedback7: merge fb7-ui-backlog — #229 device tooltips, #238 settings button in lobby / room, #138 准备 folds the shop, #120 in-match spectator roster (cap stays 2), PR #308 capsule counts (+ the shared-field progress fix), PR #333 empty new shop slot on 调度中心 upgrade

- Conflicts: the stats entry (merged fb7-stats) and the settings button both sit in the lobby / room top bars — both kept;
  public/js/ui/settings.js (#321 diagnostics, voiceLang, SettingsButton); docs/PLAYING.md table rows resolved line by
  line against the merge base (#368, #354, #333 edits kept); docs/SIM.md / design/network.md snapshot field lists
  (resolved + ammo / wolves / neg / stand / standCut); design/client.md Screens line (#368's AI switch kept).
- Grok review: MERGE AFTER FIXES — the shared-field capsule finding fixed on the branch (1a880699).
- Golden: roster 23, bonds 2, fields 11, matches 18, diy 11 — #308 totals / snapshots and #333's shop RNG (union OK);
  broad node --test 5473 (5472 pass, 0 fail, 1 skipped); lint 0 errors; typecheck; i18n strict clean.

test/docs-consistency.test.js

@@ -490,7 +490,7 @@ test('user playtest #6 (DESIGN §20): summons, skill triggers, blocking, push fo
   assert.match(sec(17), /\*\*revised by §20\.6\*\*/);
   assert.ok(!/the own battle's count stays on show as an upper bound tagged 联防中/.test(DESIGN), '§17.5: the frozen 联防 count is gone');
   assert.match(sec(8), /uniteLeft\? \/\* 联防: the leaker's enemies still standing/);
-  assert.match(sec(14), /`b\.progress \{ battleId, gt, killed, total, leaks\?, left\?, bossDmg\?, by\?, done\? \}`/);
+  assert.match(sec(14), /`b\.progress \{ battleId, gt, killed, total, resolved\?, leaks\?, left\?, bossDmg\?, by\?, done\? \}`/);
   assert.match(sec(6), /3 \*\*different\*\* free chess of tier `min\(level\+1, 6\)`/);
   assert.match(S20, /105 cards: 56 next-battle incl\. 源石虫·特训, 42 two-battle, 7 multi-round/);
   // #11 / #9 / #13: the gauge look (§18.3 / §19.5 superseded, §8.2 fill), model scale and fear (§9, §5.3, §2)