feat: add status dot component

docs/CHECKLIST.md

@@ -3,13 +3,13 @@
 The living queue. Every element lands through the review gate: API sketch →
 implementation → tests → gallery panel → review. Conventions and rules live in
 [AGENTS.md](../AGENTS.md); the gpui pin lives in the workspace `Cargo.toml`
-(zed @ `ec86047d67acd6fddd81392f44ed6ebcc6e7f531`). [signed](https://git.reya.info/reya/signed)
+(resolved in `Cargo.lock`, zed @ `504a7f2cf25b817cda3998cab93473adef15f93c`).
+[signed](https://git.reya.info/reya/signed)
 is the first downstream consumer; its screens drive the order.
 
 ## Next
 
-- [ ] **Field wrapper** (M9) — label / description / error around any control;
-      the settings dialog.
+- [ ] **Status dot** (M10) — sync-drift beads on rows.
     - [x] API sketch
     - [x] Implementation (theme-baked, motion inline per AGENTS.md)
     - [x] Tests
@@ -18,17 +18,15 @@ is the first downstream consumer; its screens drive the order.
 
 ## Queue — to follow
 
-- [ ] **Tag** (M10) — removable server and relay entries.
-- [ ] **Status dot** (M11) — sync-drift beads on rows.
-- [ ] **Combobox** (M12) — type-to-filter pickers; adopt gpuikit's
+- [ ] **Combobox** (M11) — type-to-filter pickers; adopt gpuikit's
       `on_create` / `keep_unmatched` blur modes.
-- [ ] **Command palette** (M13) — filtered actions; the matcher stays
+- [ ] **Command palette** (M12) — filtered actions; the matcher stays
       caller-owned.
-- [ ] **VirtualList** (M14, `data`) — thin `uniform_list` binding for commit
+- [ ] **VirtualList** (M13, `data`) — thin `uniform_list` binding for commit
       histories and the inbox.
-- [ ] **Code view** (M15, opens `crates/editor`) — tree-sitter highlighting.
-- [ ] **Diff view** (M16, `editor`).
-- [ ] **Markdown view** (M17, `editor`) — only if a consumer confirms.
+- [ ] **Code view** (M14, opens `crates/editor`) — tree-sitter highlighting.
+- [ ] **Diff view** (M15, `editor`).
+- [ ] **Markdown view** (M16, `editor`) — only if a consumer confirms.
 - [ ] **Pickers** — Calendar / DatePicker, TimeField, ColorPicker (decide at
       unit time).
 - [ ] **Layout follow-ups** — persistence, pane zoom, bottom dock,
@@ -62,6 +60,10 @@ is the first downstream consumer; its screens drive the order.
 - [x] ScrollArea, Popover, Menu, Tooltip, Dialog / AlertDialog, Toast,
       Alert + alerts stack
 - [x] Select, Segmented, ContextMenu, EmptyState, Badge
+- [x] Field — label / description / error around any control, block and
+      settings-row variants
+- [x] Status dot — colored state bead, Badge's variant vocabulary, optional
+      screen-reader label
 
 ### data (`crates/data`)