diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
new file mode 100644
index 00000000..1b2bba1b
--- /dev/null
+++ b/.github/workflows/pr-checks.yml
@@ -0,0 +1,37 @@
+name: PR Checks
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  smoke-and-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.11
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Smoke check
+        run: bun run smoke
+
+      - name: Provider tests
+        run: bun run test:provider
+
+      - name: Provider recommendation tests
+        run: npm run test:provider-recommendation
diff --git a/src/utils/context.test.ts b/src/utils/context.test.ts
index 17895b88..59647054 100644
--- a/src/utils/context.test.ts
+++ b/src/utils/context.test.ts
@@ -21,7 +21,7 @@ test('deepseek-chat uses provider-specific context and output caps', () => {
   process.env.CLAUDE_CODE_USE_OPENAI = '1'
   delete process.env.CLAUDE_CODE_MAX_OUTPUT_TOKENS
 
-  expect(getContextWindowForModel('deepseek-chat')).toBe(64_000)
+  expect(getContextWindowForModel('deepseek-chat')).toBe(128_000)
   expect(getModelMaxOutputTokens('deepseek-chat')).toEqual({
     default: 8_192,
     upperLimit: 8_192,