diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 5d6719ad..348cc77d 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -20,6 +20,12 @@ on:
   pull_request:
     branches: [lotus]
 
+# A superseded push cancels its in-flight run (same guard as cinny's ci.yml):
+# rapid pushes to lotus otherwise queue one full build each on the shared runner.
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   # element-call's build:full sets 16384 already; keep parity for safety.
   NODE_OPTIONS: "--max-old-space-size=16384"
@@ -48,6 +54,18 @@ jobs:
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
 
+      # ── Quality gates (hard) — run BEFORE the slow build so a type/lint/
+      # format/test error fails in seconds. Upstream replaced eslint+prettier
+      # with oxlint+oxfmt in v0.25.0; `pnpm lint` = tsc + oxlint + knip.
+      - name: Lint (tsc + oxlint + knip)
+        run: pnpm lint
+
+      - name: Format check (oxfmt)
+        run: pnpm format:check
+
+      - name: Unit tests
+        run: pnpm test:unit --run
+
       - name: Build embedded
         # build:embedded writes to the repo-root dist/ (vite default outDir).
         # Stage it into embedded/web/dist — the publish template's "files" entry
diff --git a/src/lotus/lotusDecorations.ts b/src/lotus/lotusDecorations.ts
index e8c86c76..b0d2b900 100644
--- a/src/lotus/lotusDecorations.ts
+++ b/src/lotus/lotusDecorations.ts
@@ -84,8 +84,9 @@ export function startLotusDecorations(): () => void {
       emit();
     };
     w.lazyActions.on(LotusWidgetActions.Decorations, handler);
-    unregister = (): void =>
+    unregister = (): void => {
       w.lazyActions.off(LotusWidgetActions.Decorations, handler);
+    };
   }
   registrations += 1;