Start requiring pyright typechecking

Author: dandavison

pyproject.toml

@@ -77,6 +77,7 @@ lint = [
   {cmd = "ruff check --select I"},
   {cmd = "ruff format --check"},
   {ref = "lint-types"},
+  {cmd = "pyright"},
   {ref = "lint-docs"},
 ]
 # TODO(cretz): Why does pydocstyle complain about @overload missing docs after
@@ -174,6 +175,34 @@ privacy = [
 project-name = "Temporal Python"
 sidebar-expand-depth = 2
 
+[tool.pyright]
+include = ["temporalio", "tests"]
+exclude = [
+  "temporalio/api",
+  "temporalio/bridge/proto",
+  "tests/worker/workflow_sandbox/testmodules/proto",
+  "temporalio/bridge/worker.py",
+  "temporalio/client.py",
+  "temporalio/contrib/opentelemetry.py",
+  "temporalio/converter.py",
+  "temporalio/testing/_workflow.py",
+  "temporalio/worker/_activity.py",
+  "temporalio/worker/_replayer.py",
+  "temporalio/worker/_worker.py",
+  "temporalio/worker/workflow_sandbox/_importer.py",
+  "temporalio/worker/workflow_sandbox/_restrictions.py",
+  "temporalio/workflow.py",
+  "tests/api/test_grpc_stub.py",
+  "tests/conftest.py",
+  "tests/contrib/test_opentelemetry.py",
+  "tests/test_converter.py",
+  "tests/test_service.py",
+  "tests/test_workflow.py",
+  "tests/worker/test_activity.py",
+  "tests/worker/test_workflow.py",
+  "tests/worker/workflow_sandbox/test_importer.py",
+]
+
 [tool.ruff]
 target-version = "py38"