diff --git a/.github/actions/detect-changes/action.yml b/.github/actions/detect-changes/action.yml
index 268b0aa103c8..b2ab85be5bca 100644
--- a/.github/actions/detect-changes/action.yml
+++ b/.github/actions/detect-changes/action.yml
@@ -10,7 +10,7 @@ outputs:
     description: Run Python tests / ruff / ty / windows-footguns.
     value: ${{ steps.classify.outputs.python }}
   frontend:
-    description: Run the TypeScript typecheck matrix + desktop build.
+    description: Run the TypeScript testing matrix + desktop build.
     value: ${{ steps.classify.outputs.frontend }}
   docker_meta:
     description: Docker setup and meta files have changed.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab6012016536..8cecc8d18679 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -70,11 +70,11 @@ jobs:
     with:
       event_name: ${{ needs.detect.outputs.event_name }}
 
-  typecheck:
-    name: TypeScript
+  js-tests:
+    name: JS & TS checks
     needs: detect
     if: needs.detect.outputs.frontend == 'true'
-    uses: ./.github/workflows/typecheck.yml
+    uses: ./.github/workflows/js-tests.yml
 
   docs-site:
     name: Docs Site
@@ -139,7 +139,7 @@ jobs:
     needs:
       - tests
       - lint
-      - typecheck
+      - js-tests
       - docs-site
       - history-check
       - contributor-check
diff --git a/.github/workflows/typecheck.yml b/.github/workflows/js-tests.yml
similarity index 78%
rename from .github/workflows/typecheck.yml
rename to .github/workflows/js-tests.yml
index dd2906629b01..acc0cadbba75 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/js-tests.yml
@@ -1,12 +1,12 @@
-# .github/workflows/typecheck.yml
-name: Typecheck
+# .github/workflows/js-tests.yml
+name: JS Tests
 
 on:
   workflow_call:
 
 jobs:
-  typecheck:
-    name: Check TypeScript
+  check:
+    name: Typecheck & Test
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -19,14 +19,11 @@ jobs:
         with:
           node-version: 22
           cache: npm
-      # --ignore-scripts: typecheck only needs the TS sources + type defs, not
-      # native builds. Skipping install scripts drops node-pty's node-gyp
-      # header fetch — the transient flake that killed this job pre-`tsc` — and
-      # is faster. retry covers the remaining registry blips.
       - uses: ./.github/actions/retry
         with:
+          # --ignore-scripts: TS & tests don't need native deps
           command: npm ci --ignore-scripts
-      - run: npm run --prefix ${{ matrix.package }} typecheck
+      - run: npm run --prefix ${{ matrix.package }} check
 
   # Production build of the desktop renderer. `typecheck` runs `tsc` only,
   # which does NOT exercise Vite/Rolldown module resolution — so an
diff --git a/apps/bootstrap-installer/package.json b/apps/bootstrap-installer/package.json
index 4638a8c905ea..7550e3c7c989 100644
--- a/apps/bootstrap-installer/package.json
+++ b/apps/bootstrap-installer/package.json
@@ -12,7 +12,8 @@
     "tauri:dev": "tauri dev",
     "tauri:build": "tauri build",
     "tauri:build:debug": "tauri build --debug",
-    "typecheck": "tsc -p . --noEmit"
+    "typecheck": "tsc -p . --noEmit",
+    "check": "npm run typecheck"
   },
   "dependencies": {
     "@nous-research/ui": "0.16.0",
diff --git a/apps/desktop/package.json b/apps/desktop/package.json
index 28f976a99b4f..d1620f225ebc 100644
--- a/apps/desktop/package.json
+++ b/apps/desktop/package.json
@@ -45,7 +45,8 @@
     "fmt": "prettier --write 'src/**/*.{ts,tsx}' 'electron/**/*.ts' 'vite.config.ts'",
     "fix": "npm run lint:fix && npm run fmt",
     "test:ui": "vitest run --environment jsdom",
-    "preview": "node scripts/assert-root-install.mjs && vite preview --host 127.0.0.1 --port 4174"
+    "preview": "node scripts/assert-root-install.mjs && vite preview --host 127.0.0.1 --port 4174",
+    "check": "npm run typecheck && npm run test:ui && npm run test:desktop:all"
   },
   "dependencies": {
     "@assistant-ui/react": "^0.12.28",
diff --git a/apps/shared/package.json b/apps/shared/package.json
index bd1c10a48a6f..57b7f776bce9 100644
--- a/apps/shared/package.json
+++ b/apps/shared/package.json
@@ -8,7 +8,8 @@
   },
   "types": "./src/index.ts",
   "scripts": {
-    "typecheck": "tsc -p . --noEmit"
+    "typecheck": "tsc -p . --noEmit",
+    "check": "npm run typecheck"
   },
   "devDependencies": {
     "typescript": "^6.0.3"
diff --git a/package-lock.json b/package-lock.json
index 1c25cb2b1dbe..92b7699b03c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19614,7 +19614,8 @@
         "wrap-ansi": "^9.0.0"
       },
       "devDependencies": {
-        "esbuild": "^0.28.1"
+        "esbuild": "^0.28.1",
+        "typescript": "^6.0.3"
       },
       "peerDependencies": {
         "ink-text-input": ">=6.0.0",
diff --git a/package.json b/package.json
index 9e9448497f68..5eb1e6b63714 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
     "audit:tui": "npm audit --workspace ui-tui",
     "audit:fix:root": "npm audit fix --workspaces=false",
     "audit:fix:web": "npm audit fix --workspace web",
-    "audit:fix:tui": "npm audit fix --workspace ui-tui"
+    "audit:fix:tui": "npm audit fix --workspace ui-tui",
+    "check": "npm run check --ws"
   },
   "repository": {
     "type": "git",
diff --git a/ui-tui/package.json b/ui-tui/package.json
index dfdb03b55a03..e370624c3c8b 100644
--- a/ui-tui/package.json
+++ b/ui-tui/package.json
@@ -12,6 +12,7 @@
     "lint:fix": "eslint src/ packages/ --fix",
     "fmt": "prettier --write 'src/**/*.{ts,tsx}' 'packages/**/*.{ts,tsx}'",
     "fix": "npm run lint:fix && npm run fmt",
+    "check": "npm run typecheck && npm run test",
     "test": "vitest run",
     "test:watch": "vitest"
   },
diff --git a/ui-tui/packages/hermes-ink/package.json b/ui-tui/packages/hermes-ink/package.json
index ab6728a7c9fa..9f4be632bef1 100644
--- a/ui-tui/packages/hermes-ink/package.json
+++ b/ui-tui/packages/hermes-ink/package.json
@@ -4,7 +4,9 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "build": "esbuild src/entry-exports.ts --bundle --platform=node --format=esm --packages=external --outdir=dist"
+    "build": "esbuild src/entry-exports.ts --bundle --platform=node --format=esm --packages=external --outdir=dist",
+    "check": "npm run typecheck",
+    "typecheck": "tsc -b . --noEmit"
   },
   "sideEffects": true,
   "main": "./index.js",
@@ -49,6 +51,7 @@
     "wrap-ansi": "^9.0.0"
   },
   "devDependencies": {
-    "esbuild": "^0.28.1"
+    "esbuild": "^0.28.1",
+    "typescript": "^6.0.3"
   }
 }
diff --git a/ui-tui/packages/hermes-ink/tsconfig.json b/ui-tui/packages/hermes-ink/tsconfig.json
new file mode 100644
index 000000000000..21601918fe6f
--- /dev/null
+++ b/ui-tui/packages/hermes-ink/tsconfig.json
@@ -0,0 +1,3 @@
+{
+    "extends": "../../tsconfig.json"
+}
\ No newline at end of file
diff --git a/web/package.json b/web/package.json
index d211f68c2d77..8dfe84074a09 100644
--- a/web/package.json
+++ b/web/package.json
@@ -9,7 +9,8 @@
     "lint": "eslint .",
     "preview": "vite preview",
     "typecheck": "tsc -p . --noEmit",
-    "test": "vitest run"
+    "test": "vitest run",
+    "check": "npm run typecheck && npm run test"
   },
   "dependencies": {
     "@hermes/shared": "file:../apps/shared",