fix: preserve working state color fallback

[yltx]

Summary

• use the panel fallback-bearing business color alias for working member and captain states
• add a verification assertion that pins the working-state selector to that compatibility bridge

Root cause

The DOM and selector were correct, but the color used an unguarded host token. When that token is absent, the working label and currentColor glyph retain the tertiary gray base color.

Verification

• pnpm typecheck
• pnpm build
• node scripts/verify.mjs (new assertion passes; existing Windows transient directory-lock EPERM remains environment-sensitive)

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[spacexun2]

主张逐点验证成立：基础规则落到 tertiary 灰、桥内 --dsw-alias-bg-fill-business 自带 #4d6bfe 字面兜底、WorkGlyph 是 fill="currentColor" 会跟着 state 文字一起被救回来——verify 新断言的信息串两半都对得上。对 5fe388f apply-check 干净。一个后续线索（不建议塞进本 PR）：面板 CSS 里还有约二十处直引裸 business token 做背景/描边，同样会在缺 token host 下退化，适合单开 issue 拉清单，本 PR 保持定点修复就好。

[yltx]

感谢详细复核与实机验证！\n\n关于面板其他裸引 business token 的地方，确实更适合后续单独拉 issue 系统性梳理和补齐 fallback alias，本 PR 保持定点修复。