l0ng-ai fea497433d style(ui): give agent marks their brand colour back, quiet the toolbar ...

The sidebar avatar dropped its brand-coloured disc for a flat theme one,
which left a column of identical grey marks: hue had been the fast way to
tell one agent from another down twenty rows, and the disc was the only
thing carrying it. Painting the mark itself restores the reading at a
third of the coloured area, so it no longer competes with the status dot
beside it — colour says who, the dot says what it wants. `mark_ink`
keeps the hue and only lifts a value that cannot be seen on the surface
under it, which is Codex and Grok's pure black on a dark theme.

The toolbar above it had the opposite problem: `+` and the panel toggle
were drawn at `sidebar_foreground`, the rung a tab title uses, so the two
controls were the darkest marks in the sidebar. They drop to
`muted_foreground`, level with the workspace chip, and the hover fill the
variant already carried answers the pointer.

The glyphs themselves: the panel icons fill their compartment so they
read as a sidebar rather than a split box, and the plus carries a sixth
more stroke than the closed shapes beside it — an open form at the family
weight reads both larger and fainter, which is what made it the odd one
out. Its cap now lands on a half pixel rather than a whole one; the
whole-pixel rungs are 10px and 12px in a 16px box, and neither is the
size.

Claude-Session: https://claude.ai/code/session_01FG2s9mbZu6LbjjmU54X7kt

2026-09-23 09:10:30 +08:00

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