diff --git a/.woodpecker/code-runner.yml b/.woodpecker/code-runner.yml
new file mode 100644
index 0000000..96bff9d
--- /dev/null
+++ b/.woodpecker/code-runner.yml
@@ -0,0 +1,18 @@
+# E2E — code_runner. PR to dev/main when code_runner sources/tests change.
+when:
+  - event: pull_request
+    branch: [main, dev]
+    path:
+      include:
+        - "src/wrenn/code_runner/**"
+        - "tests/test_code_runner_*.py"
+
+steps:
+  test-code-runner:
+    image: ghcr.io/astral-sh/uv:python3.13-bookworm
+    environment:
+      WRENN_API_KEY:
+        from_secret: WRENN_API_KEY
+    commands:
+      - uv sync --dev
+      - make test-code-runner
diff --git a/.woodpecker/integration.yml b/.woodpecker/integration.yml
new file mode 100644
index 0000000..6195b13
--- /dev/null
+++ b/.woodpecker/integration.yml
@@ -0,0 +1,21 @@
+# E2E — integration. PR to dev/main when non-code_runner src changes.
+# Path filter: include src/** but exclude src/wrenn/code_runner/** so the
+# dedicated code-runner pipeline owns that surface.
+when:
+  - event: pull_request
+    branch: [main, dev]
+    path:
+      include:
+        - "src/**"
+      exclude:
+        - "src/wrenn/code_runner/**"
+
+steps:
+  test-integration:
+    image: ghcr.io/astral-sh/uv:python3.13-bookworm
+    environment:
+      WRENN_API_KEY:
+        from_secret: WRENN_API_KEY
+    commands:
+      - uv sync --dev
+      - make test-integration
diff --git a/.woodpecker/unit.yml b/.woodpecker/unit.yml
new file mode 100644
index 0000000..4def478
--- /dev/null
+++ b/.woodpecker/unit.yml
@@ -0,0 +1,11 @@
+# Unit tests — every push and pull_request, all branches.
+when:
+  - event: push
+  - event: pull_request
+
+steps:
+  unit-tests:
+    image: ghcr.io/astral-sh/uv:python3.13-bookworm
+    commands:
+      - uv sync --dev
+      - uv run pytest -m "not integration" -v