diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e7b8cc4..ab3cc0b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,8 +28,10 @@ jobs:
           python-version: "3.13"
       - name: Install dependencies
         run: pip install hatch
-      - name: Run unit and integrations tests
-        run: hatch run dev:pytest --cov=reqstool-python-decorators --cov-report=xml --cov-report=html 
+      - name: Build wheel (used by e2e tests via PIP_FIND_LINKS)
+        run: hatch build --target wheel
+      - name: Run tests
+        run: hatch run dev:pytest --junitxml=build/junit.xml --cov=reqstool_python_hatch_plugin --cov-report=xml:build/coverage.xml
       - name: Build project
         run: hatch build
       # Upload artifacts for later use
diff --git a/.github/workflows/check-semantic-pr.yml b/.github/workflows/check-semantic-pr.yml
index 5bacd57..459b868 100644
--- a/.github/workflows/check-semantic-pr.yml
+++ b/.github/workflows/check-semantic-pr.yml
@@ -2,8 +2,6 @@ name: Check Semantic PR
 on:
   pull_request:
     types: [opened, edited, synchronize, reopened]
-  pull_request_target:
-    types: [opened, edited, synchronize, reopened]
 
 jobs:
   check:
diff --git a/pyproject.toml b/pyproject.toml
index 6f7eada..a3357cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ Source = "https://github.com/reqstool/reqstool-python-hatch-plugin.git"
 Documentation = "https://github.com/reqstool/reqstool-python-hatch-plugin.git"
 
 [project.entry-points.hatch]
-decorators = "reqstool_python_hatch_plugin.hooks"
+reqstool = "reqstool_python_hatch_plugin.hooks"
 
 [tool.hatch.version]
 source = "vcs"
@@ -52,15 +52,13 @@ addopts = [
     "-s",
     "--import-mode=importlib",
     "--log-cli-level=DEBUG",
-    '-m not slow or not integration',
 ]
 pythonpath = [".", "src", "tests"]
 testpaths = ["tests"]
 norecursedirs = ["tests/fixtures"]
 markers = [
-    "flaky: tests that can randomly fail through no change to the code",
-    "slow: marks tests as slow (deselect with '-m \"not slow\"')",
     "integration: tests that require external resources",
+    "e2e: end-to-end tests that run the full pipeline locally",
 ]
 
 [tool.black]
diff --git a/tests/e2e/__init__.py b/tests/e2e/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/e2e/reqstool_python_hatch_plugin/__init__.py b/tests/e2e/reqstool_python_hatch_plugin/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/e2e/reqstool_python_hatch_plugin/test_build_e2e.py b/tests/e2e/reqstool_python_hatch_plugin/test_build_e2e.py
new file mode 100644
index 0000000..4e24512
--- /dev/null
+++ b/tests/e2e/reqstool_python_hatch_plugin/test_build_e2e.py
@@ -0,0 +1,74 @@
+# Copyright © LFV
+import shutil
+import subprocess
+import tarfile
+import tempfile
+import venv
+from pathlib import Path
+
+import pytest
+
+FIXTURE_DIR = Path(__file__).parents[2] / "fixtures" / "test_project"
+DIST_DIR = Path(__file__).parents[3] / "dist"
+
+# The hatch plugin appends reqstool_config.yml to the tar.gz and generates
+# annotations.yml on disk. requirements.yml and software_verification_cases.yml
+# are included via the sdist include config (docs/reqstool/**).
+EXPECTED_IN_TARBALL = [
+    "reqstool_config.yml",
+    "requirements.yml",
+    "software_verification_cases.yml",
+]
+
+
+@pytest.mark.e2e
+def test_hatch_build_sdist_contains_reqstool_artifacts():
+    """hatch build (sdist) triggers the reqstool hook and bundles all artifacts.
+
+    Runs hatchling directly inside an isolated venv that has the local plugin wheel
+    pre-installed, bypassing hatch's own build-env management (which can't resolve
+    @ file:// hook dependencies reliably across pip/uv versions).
+    """
+    wheels = sorted(DIST_DIR.glob("reqstool_python_hatch_plugin-*.whl"))
+    if not wheels:
+        pytest.skip("No local wheel found — run `hatch build --target wheel` first")
+
+    with tempfile.TemporaryDirectory() as tmpdir:
+        tmp_project = Path(tmpdir) / "test_project"
+        shutil.copytree(FIXTURE_DIR, tmp_project, ignore=shutil.ignore_patterns("dist", "build", "__pycache__"))
+
+        # Build an isolated venv with hatchling + the local plugin wheel.
+        # We call hatchling directly so we fully control what's installed.
+        venv_dir = Path(tmpdir) / "build-venv"
+        venv.create(str(venv_dir), with_pip=True)
+        python = str(venv_dir / "bin" / "python")
+
+        subprocess.run(
+            [python, "-m", "pip", "install", "--quiet", "hatchling", str(wheels[-1])],
+            check=True,
+        )
+
+        result = subprocess.run(
+            [python, "-m", "hatchling", "build", "--target", "sdist"],
+            cwd=tmp_project,
+            capture_output=True,
+            text=True,
+        )
+        assert result.returncode == 0, f"hatchling build failed:\n{result.stderr}"
+
+        tarballs = sorted((tmp_project / "dist").glob("mypackage-*.tar.gz"))
+        assert tarballs, "No tarball found in dist/"
+
+        with tarfile.open(tarballs[-1]) as tf:
+            names = tf.getnames()
+            for expected in EXPECTED_IN_TARBALL:
+                assert any(
+                    expected in n for n in names
+                ), f"{expected!r} missing from {tarballs[-1].name};\ngot: {names}"
+
+        # annotations.yml is generated on disk (not bundled in the tarball)
+        annotations_file = tmp_project / "build" / "reqstool" / "annotations.yml"
+        assert annotations_file.exists(), f"annotations.yml not generated at {annotations_file}"
+        annotations_content = annotations_file.read_text()
+        assert "REQ_001" in annotations_content, "annotations.yml missing REQ_001"
+        assert "SVC_001" in annotations_content, "annotations.yml missing SVC_001"
diff --git a/tests/integration/__init__.py b/tests/integration/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/integration/reqstool_python_hatch_plugin/__init__.py b/tests/integration/reqstool_python_hatch_plugin/__init__.py
new file mode 100644
index 0000000..e69de29