Add pre-commit hook enforcing 30s test suite time limit (#132)

pyproject.toml

@@ -79,7 +79,10 @@ testpaths = ["tests"]
 pythonpath = ["src", "tests"]
 asyncio_mode = "auto"
 asyncio_default_fixture_loop_scope = "function"
-addopts = "-v --tb=short --timeout=30"
+timeout = 30
+timeout_method = "signal"
+timeout_func_only = false
+addopts = "-v --tb=short --strict-markers --disable-warnings -n auto --dist worksteal"
 markers = [
     "unit: Unit tests (fast, no I/O)",
     "integration: Integration tests (may use SQLite)",
@@ -90,6 +93,7 @@ markers = [
     "selenium: Requires Selenium and Chrome (browser automation)",
     "docker: Requires Docker and docker-compose",
     "ollama: Requires Ollama service running",
+    "external_api: Requires external API access",
     "skip_ci: Skip in CI environment (local development only)",
 ]