diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9998cbb0..afad9b60 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -329,12 +329,14 @@ jobs:
         # .e2e-cache (which CI doesn't cache anyway). The .build cache restored
         # above still warms compilation.
         #
-        # Three runs: the default config (counter/router/sw/edgecases servers),
-        # then the RegionDemo and SwiflowUIDemo demos via their own configs — they
-        # collide on port :3004 so can't share the default config's parallel
-        # servers, and run sequentially here. All three run regardless of an
-        # earlier failure (status accumulates) so one red spec doesn't hide the
-        # rest. TodoCRUD needs the real backend → separate run-e2e-backend job.
+        # Four runs: the default config (counter/router/sw/edgecases servers),
+        # then RegionDemo, SwiflowUIDemo, and GridBoard via their own configs —
+        # Region/SwiflowUI collide on port :3004 so can't share the default
+        # config's parallel servers; GridBoard (:3009) is the per-frame-leak
+        # soak surface and needs its long boot timeout. All run regardless of
+        # an earlier failure (status accumulates) so one red spec doesn't hide
+        # the rest. TodoCRUD needs the real backend → separate run-e2e-backend
+        # job.
         env:
           SWIFLOW_E2E_CLEAN: "1"
         run: |
@@ -342,6 +344,7 @@ jobs:
           npm test || status=1
           npm run test:regions || status=1
           npm run test:swiflowui || status=1
+          npm run test:gridboard || status=1
           exit $status
 
       - name: Upload Playwright trace on failure
diff --git a/Tests/playwright/package.json b/Tests/playwright/package.json
index 35dfc9ab..ab747917 100644
--- a/Tests/playwright/package.json
+++ b/Tests/playwright/package.json
@@ -9,6 +9,7 @@
     "test:clean": "SWIFLOW_E2E_CLEAN=1 playwright test",
     "test:counter": "playwright test --config=playwright.counter.config.ts",
     "test:edgecases": "playwright test --config=playwright.edgecases.config.ts",
+    "test:gridboard": "playwright test --config=playwright.gridboard.config.ts",
     "test:regions": "playwright test --config=playwright.regions.config.ts",
     "test:router": "playwright test --config=playwright.router.config.ts",
     "test:sw": "playwright test --config=playwright.sw.config.ts",
diff --git a/Tests/playwright/playwright.config.ts b/Tests/playwright/playwright.config.ts
index 4953b20f..063c1a55 100644
--- a/Tests/playwright/playwright.config.ts
+++ b/Tests/playwright/playwright.config.ts
@@ -38,10 +38,14 @@ export default defineConfig({
   // test:swiflowui, and the run-e2e-backend job for todocrud). Without this
   // ignore they'd run against :3000 (counter) and fail "element not found".
   testIgnore: [
-    "region.spec.ts",     // RegionDemo — npm run test:regions (:3004)
-    "datatable.spec.ts",  // SwiflowUIDemo — npm run test:swiflowui
-    "dropdown.spec.ts",   // SwiflowUIDemo — npm run test:swiflowui
-    "todocrud.spec.ts",   // real Bun+SQLite backend — run-e2e-backend job
+    "region.spec.ts",      // RegionDemo — npm run test:regions (:3004)
+    "datatable.spec.ts",   // SwiflowUIDemo — npm run test:swiflowui
+    "dropdown.spec.ts",    // SwiflowUIDemo — npm run test:swiflowui
+    "overlay.spec.ts",     // SwiflowUIDemo — npm run test:swiflowui
+    "tabs.spec.ts",        // SwiflowUIDemo — npm run test:swiflowui
+    "catalog-nav.spec.ts", // SwiflowUIDemo — npm run test:swiflowui
+    "gridboard.spec.ts",   // GridBoard — npm run test:gridboard (:3009)
+    "todocrud.spec.ts",    // real Bun+SQLite backend — run-e2e-backend job
   ],
   fullyParallel: false,
   reporter: process.env.CI ? "github" : "list",