diff --git a/pyproject.toml b/pyproject.toml
index 387fef3..f96876a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,6 @@ dependencies = [
     "httpx>=0.27,<1.0",
     "pydantic>=2.6,<3.0",
     "pydantic-settings>=2.2,<3.0",
-    "requests>=2.33.0,<3.0",
     "sqlalchemy>=2.0,<3.0",
     "sse-starlette>=2.1,<4.0",
     "uvicorn>=0.29,<1.0",
@@ -72,6 +71,9 @@ package = true
 fallback_version = "0+unknown"
 tag_regex = "^v?(?P<version>.+)$"
 
+[tool.setuptools.package-data]
+opencode_a2a = ["py.typed"]
+
 [tool.mypy]
 python_version = "3.11"
 files = ["src/opencode_a2a"]
diff --git a/scripts/smoke_test_built_cli.sh b/scripts/smoke_test_built_cli.sh
index 7619278..c3d3c45 100644
--- a/scripts/smoke_test_built_cli.sh
+++ b/scripts/smoke_test_built_cli.sh
@@ -77,6 +77,18 @@ UV_TOOL_DIR="${tool_dir}" \
 UV_TOOL_BIN_DIR="${tool_bin_dir}" \
 uv tool install "${artifact_path}" --python "${python_bin}"
 
+mapfile -t installed_python_paths < <(
+  find "${tool_dir}" \( -type f -o -type l \) -path '*/bin/python' | sort
+)
+if [[ "${#installed_python_paths[@]}" -ne 1 ]]; then
+  echo "Expected exactly one installed tool python, found ${#installed_python_paths[@]}" >&2
+  printf ' - %s\n' "${installed_python_paths[@]}" >&2 || true
+  exit 1
+fi
+installed_python="${installed_python_paths[0]}"
+
+"${installed_python}" -c "import opencode_a2a; print(opencode_a2a.__version__)" >/dev/null
+
 port="$(
   "${python_bin}" - <<'PY'
 import socket
diff --git a/src/opencode_a2a/__init__.py b/src/opencode_a2a/__init__.py
index 78b3fca..7f17035 100644
--- a/src/opencode_a2a/__init__.py
+++ b/src/opencode_a2a/__init__.py
@@ -1,8 +1,11 @@
 """A2A wrapper for opencode."""
 
+import logging
 from importlib.metadata import PackageNotFoundError, version
 
 UNKNOWN_VERSION = "0+unknown"
+logger = logging.getLogger("opencode_a2a")
+logger.addHandler(logging.NullHandler())
 
 
 def get_package_version() -> str:
diff --git a/src/opencode_a2a/py.typed b/src/opencode_a2a/py.typed
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/opencode_a2a/py.typed
@@ -0,0 +1 @@
+
diff --git a/tests/package/test_logging.py b/tests/package/test_logging.py
new file mode 100644
index 0000000..80c5a58
--- /dev/null
+++ b/tests/package/test_logging.py
@@ -0,0 +1,9 @@
+import logging
+
+from opencode_a2a import logger
+
+
+def test_package_logger_installs_null_handler() -> None:
+    handlers = logger.handlers
+
+    assert any(isinstance(handler, logging.NullHandler) for handler in handlers)
diff --git a/tests/package/test_typing_contract.py b/tests/package/test_typing_contract.py
new file mode 100644
index 0000000..071694f
--- /dev/null
+++ b/tests/package/test_typing_contract.py
@@ -0,0 +1,9 @@
+from pathlib import Path
+
+PYPROJECT_TEXT = Path("pyproject.toml").read_text()
+
+
+def test_package_declares_py_typed_marker() -> None:
+    assert Path("src/opencode_a2a/py.typed").is_file()
+    assert "[tool.setuptools.package-data]" in PYPROJECT_TEXT
+    assert 'opencode_a2a = ["py.typed"]' in PYPROJECT_TEXT
diff --git a/tests/scripts/test_script_health_contract.py b/tests/scripts/test_script_health_contract.py
index fd5b9d1..238b6e9 100644
--- a/tests/scripts/test_script_health_contract.py
+++ b/tests/scripts/test_script_health_contract.py
@@ -58,6 +58,13 @@ def test_smoke_test_requires_explicit_wheel_selection_when_dist_is_ambiguous() -
     assert 'uv tool install "${artifact_path}" --python "${python_bin}"' in SMOKE_TEST_TEXT
 
 
+def test_smoke_test_imports_installed_package_before_health_check() -> None:
+    assert "find \"${tool_dir}\" \\( -type f -o -type l \\) -path '*/bin/python'" in SMOKE_TEST_TEXT
+    assert '"${installed_python}" -c "import opencode_a2a; print(opencode_a2a.__version__)"' in (
+        SMOKE_TEST_TEXT
+    )
+
+
 def test_coverage_policy_tracks_overall_and_critical_file_thresholds() -> None:
     assert "OVERALL_MINIMUM = 90.0" in COVERAGE_GATE_TEXT
     assert '"src/opencode_a2a/execution/executor.py": 90.0' in COVERAGE_GATE_TEXT
diff --git a/uv.lock b/uv.lock
index 004867f..50b06a6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -751,7 +751,6 @@ dependencies = [
     { name = "httpx" },
     { name = "pydantic" },
     { name = "pydantic-settings" },
-    { name = "requests" },
     { name = "sqlalchemy" },
     { name = "sse-starlette" },
     { name = "uvicorn" },
@@ -782,7 +781,6 @@ requires-dist = [
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.0,<10.0" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.23,<2.0" },
     { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=7.0.0,<8.0.0" },
-    { name = "requests", specifier = ">=2.33.0,<3.0" },
     { name = "ruff", marker = "extra == 'dev'", specifier = ">=0.5,<0.16" },
     { name = "sqlalchemy", specifier = ">=2.0,<3.0" },
     { name = "sse-starlette", specifier = ">=2.1,<4.0" },