0.2.6-dev: port PR #552 by IceCodeNew — an optional 「弹药数量」 setting (default off: the official HUD has no such number, the maintainer's decision of 2026-10-13) shows an ammo skill's rounds left / magazine under its bar, from the exact b.snap ammo counts; sanitised with the other settings, applied by the field view live, all four language packs, the diagnostics line; the simplified board has no ammo bar; DESIGN §31.9; golden: unchanged

test/ui/gameLogic.test.js

@@ -722,7 +722,7 @@ describe('keyboard & settings', () => {
   test('sanitizeSettings', () => {
     assert.deepEqual(sanitizeSettings(null), { ...DEFAULT_SETTINGS });
     assert.deepEqual(sanitizeSettings({ bgm: 3, sfx: -1, voice: 2, muted: 'yes', damageNumbers: false, quality: 'ultra' }),
-      { bgm: 1, sfx: 0, voice: 1, voiceLang: 'cn', voiceOverrides: {}, muted: false, damageNumbers: false, officialDamageNumbers: false, quality: 'high', textSize: 'sm', keys: { ...DEFAULT_SETTINGS.keys } },
+      { bgm: 1, sfx: 0, voice: 1, voiceLang: 'cn', voiceOverrides: {}, muted: false, damageNumbers: false, officialDamageNumbers: false, ammoCount: false, quality: 'high', textSize: 'sm', keys: { ...DEFAULT_SETTINGS.keys } },
       'a saved profile without `keys` (before 0.2.0) gets the default key map (test/ui/feedback5-hotkeys.test.js)');
     assert.equal(sanitizeSettings({ bgm: 0.5 }).voice, DEFAULT_SETTINGS.voice, 'a saved profile without `voice` gets the default');
     // 语音语言 (0.2.2): 中文 by default — a profile saved before it, or any other value, plays the Chinese dub