audit command palette

docs/CHECKLIST.md

@@ -14,10 +14,6 @@ is the first downstream consumer; its screens drive the order.
 Platform metric adoption continues one component at a time; each stop goes
 through the review gate and a gallery pass.
 
-- [ ] **Combobox platform chrome** — popup border behind
-      `Theme::borders.overlays`; the trigger follows the input stop's field
-      treatment.
-- [ ] **Command palette platform chrome** — overlay border gate.
 - [ ] **Switch platform chrome** — stated track and knob dims
       (`switch_height` / `switch_width` / `switch_knob`, inset and travel
       derived); borderless knob.
@@ -143,11 +139,10 @@ Gaps surfaced by the signed comparison; ordered by signed's usage.
       (`.w(...)`) set the width; the empty field keeps its placeholder while
       focused (`Input::placeholder_when_focused`) and clicking into it opens
       the options right away, with no keystroke needed
-- [x] Combobox platform chrome — the popup border behind
+- [x] Command palette platform chrome — the panel border behind
       `Theme::borders.overlays` (and dark mode), taking the surface color
-      where the platform paints none; the trigger is a plain `Input`, so it
-      already carries the full field treatment, and the chevron recenters on
-      the field's full height, border included
+      where the platform paints none; it rides the dialog elevation, so dark
+      mode's no-shadow rule applies to it too
 - [x] Button, Checkbox, Switch, Radio + RadioGroup, Toggle, Link, Slider,
       Progress, Avatar (image + seeded pixel-art fallback)
 - [x] Spinner — painted ring + rotating-icon variant, indeterminate and
@@ -166,7 +161,8 @@ Gaps surfaced by the signed comparison; ordered by signed's usage.
       screen-reader label
 - [x] Combobox — type-to-filter picker with a caller-owned matcher, create /
       keep / revert blur modes
-- [x] Command palette — filtered actions; the matcher stays caller-owned
+- [x] Command palette — filtered actions; the matcher stays caller-owned,
+      and commands may carry a leading icon
 - [x] Scrollbar — overlay thumbs for gpui's `list` and `uniform_list`,
       platform autohide with a `visibility` override
 - [x] Clipboard button — copies a value, confirms with a brief check mark