Replace hardcoded hex with Tiny Wire tokens in Roster

[LinzLos]

Description

Replace hardcoded hex in src/screens/Roster.tsx — progress-bar track/gradient and banner border — with Tiny Wire tokens.

Why

Token-purity / design-system sync.

Mapping

Hex	→ Token	Lines
#d9d9d9	--border	182
#bfc7d4 → #8195b5	progress gradient — nearest cobalt ramp; see #07	188
#afbcd0	--info-mid	323

Recommended prerequisite

#07 (only for the progress-gradient token decision). Remap to nearest cobalt steps now if #07 is deferred.

Scope

UI-only, single file.

Touches

• src/screens/Roster.tsx

Source

phase4-brief.md → Item 3.

Owner

Lindsay.

Acceptance criteria

• Listed hex replaced with tokens.
• npm run build clean; roster unchanged in light + dark.