feat: add field component

docs/CHECKLIST.md

@@ -8,10 +8,8 @@ is the first downstream consumer; its screens drive the order.
 
 ## Next
 
-- [ ] **Spinner** (`core`) — the loading ring, indeterminate + determinate;
-      painted-ring and rotating-icon variants.
-  Replaces `Tab::busy`'s placeholder ring; land before signed wires repo
-  loading into dock tabs.
+- [ ] **Field wrapper** (M9) — label / description / error around any control;
+      the settings dialog.
     - [x] API sketch
     - [x] Implementation (theme-baked, motion inline per AGENTS.md)
     - [x] Tests
@@ -20,8 +18,6 @@ is the first downstream consumer; its screens drive the order.
 
 ## Queue — to follow
 
-- [ ] **Field wrapper** (M9) — label / description / error around any control;
-      the settings dialog.
 - [ ] **Tag** (M10) — removable server and relay entries.
 - [ ] **Status dot** (M11) — sync-drift beads on rows.
 - [ ] **Combobox** (M12) — type-to-filter pickers; adopt gpuikit's
@@ -59,6 +55,8 @@ is the first downstream consumer; its screens drive the order.
 
 - [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
+      determinate; replaces `Tab::busy`'s placeholder
 - [x] Input — single-line, password with reveal, multiline, undo/redo, actions
       + key context, caret blink
 - [x] ScrollArea, Popover, Menu, Tooltip, Dialog / AlertDialog, Toast,