diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f8e70e1..a211b17 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -127,6 +127,10 @@ jobs:
           grep -q 'rounded-menu' components/ui/attachment.tsx
           bunx shadcn@latest add http://localhost:8099/r/file-upload.json -y -o
           grep -q 'matchesAccept' components/file-upload.tsx
+          # Every other item too, so a new one cannot ship without being
+          # installed and built at least once.
+          items=$(python3 -c 'import json; print(" ".join(f"http://localhost:8099/r/{i["name"]}.json" for i in json.load(open("../../registry/r/registry.json"))["items"] if i["type"] in ("registry:ui", "registry:component", "registry:block")))')
+          bunx shadcn@latest add $items -y -o
           bun run build
       - if: always()
         run: docker compose logs
diff --git a/README.md b/README.md
index b23e63a..001f097 100644
--- a/README.md
+++ b/README.md
@@ -53,9 +53,9 @@ npx shadcn@latest add @winlab/button
 | `alert-dialog` | `registry:ui` | Confirmation with Cancel and an action |
 | `select` | `registry:ui` | Single-choice dropdown, same height as `input` |
 | `table` | `registry:ui` | Data table with muted headers; add `tabular-nums` and `text-right` to number columns |
-| `popover` | `registry:ui` | Frosted menu surface anchored to a trigger; `w-(--anchor-width)` matches the trigger |
+| `popover` | `registry:ui` | Frosted menu surface anchored to a trigger, 288px wide |
 | `command` | `registry:ui` | Searchable list for a combobox inside a `popover` |
-| `combobox` | `registry:ui` | `ComboboxTrigger` (same field look as `select`) and `ComboboxContent` (as wide as the trigger) around a `command` |
+| `combobox` | `registry:ui` | `ComboboxTrigger` (same field look as `select`) and `ComboboxContent` (at least as wide as the trigger) around a `command` |
 | `dropdown-menu` | `registry:ui` | Action menu: items, labels, separators and submenus |
 | `calendar` | `registry:ui` | One month of 40px days to pick a single date; weeks start on Monday, captions read 2026 年 10 月 |
 | `attachment` | `registry:ui` | One file per row: 40px icon or thumbnail, name, a detail line and actions; states `idle` (dashed), `uploading`, `error`, `done` |
@@ -67,6 +67,8 @@ npx shadcn@latest add @winlab/button
 | `separator` | `registry:ui` | Hairline divider |
 | `collapsible` | `registry:ui` | Unstyled show / hide region |
 | `sonner` | `registry:ui` | Toasts: frosted surface, status-colored icons, action and cancel buttons |
+| `number-ticker` | `registry:ui` | A whole number whose digits roll to their new value |
+| `chart` | `registry:ui` | Recharts in WinLab colors: series take `primary`, `muted-foreground` or a state color; inverted tooltip and a legend |
 | `app-shell` | `registry:block` | The four corners of every WinLab app and the page layouts `column`, `spotlight` and `wide`; set `NEXT_PUBLIC_BUILD_SHA`, `_TIME` and `_URL` at build for the version corner |
 | `confirm-dialog` | `registry:block` | Asks before an action runs; the confirm button names the verb, both buttons lock while it runs, and it closes only when the action finishes |
 | `form-dialog` | `registry:block` | A short form in a dialog; `FormField` puts a label over its control, fields and buttons lock while it submits, and it closes only when the submit finishes |
@@ -79,6 +81,11 @@ npx shadcn@latest add @winlab/button
 | `date-picker` | `registry:block` | A date field with the same closed look as `select`; opens a `calendar`, closes on choice, can block days, and posts yyyy-mm-dd under `name` for `form-dialog` |
 | `action-panel` | `registry:block` | A page whose job is one action, such as opening the door: one 192px round button that locks while it runs, turns `success` for a moment, and says why when it cannot be pressed |
 | `file-upload` | `registry:block` | Drop, paste or pick files; chosen files list as `attachment` rows to remove, files outside `accept` or `maxSize` show as errors with the reason, and `name` posts them inside `form-dialog` |
+| `signature-pad` | `registry:block` | Draw or upload a handwritten signature in a dialog; black ink on white in every theme, exported as a cropped transparent PNG |
+| `focus` | `registry:block` | The one loud thing on a page, under its header: a label, a title with a highlight and a row of facts |
+| `avatar-stack` | `registry:block` | Several people in the space of one; the avatars spread apart when pointed at |
+| `countdown` | `registry:block` | Time left until a moment, to the minute, with rolling digits |
+| `expand-row` | `registry:block` | A list row that opens in place to show its details |
 | `badge` | `registry:ui` | Status label; variants `default`, `muted`, `outline`, `destructive`, `success`, `warning` |
 
 Text falls back in that order: `font-sans` is Inter, then Noto Sans JP, then Noto Sans TC. `font-mono` puts JetBrains Mono in front of the same CJK fonts. Use Inter's `tabular-nums` for amounts and table figures, not `font-mono`.
diff --git a/scripts/check-theme.ts b/scripts/check-theme.ts
index 9f29860..acadca6 100644
--- a/scripts/check-theme.ts
+++ b/scripts/check-theme.ts
@@ -55,5 +55,18 @@ for (const [mode, cssVars, registryVars] of pairs) {
   }
 }
 
+// Utilities and keyframes the registry ships must exist here too, or the
+// site renders an item differently from a project that installed it.
+for (const item of registry.items) {
+  const rules = "css" in item && item.css ? Object.keys(item.css) : []
+  for (const rule of rules) {
+    if (!rule.startsWith("@utility") && !rule.startsWith("@keyframes")) continue
+    if (!css.includes(`${rule} {`)) {
+      console.error(`globals.css is missing ${rule} (from ${item.name})`)
+      failed = true
+    }
+  }
+}
+
 if (failed) process.exit(1)
 console.log("theme in sync")