harden calculation contracts and local API boundaries

tests/conftest.py

@@ -8,6 +8,16 @@ from pathlib import Path
 ROOT = Path(__file__).resolve().parents[1]
 SCRIPTS = str(ROOT / "scripts")
 WORKBUDDY_SKILL_SCRIPTS = ".workbuddy/skills/jyotish-vedic-astrology/scripts"
+SLOW_API_SECURITY_PREFIXES = (
+    "test_vedastro_",
+    "test_high_rigor_",
+    "test_professional_reading",
+    "test_api_prompt_pack",
+    "test_consultation_workflow",
+    "test_thematic_report",
+    "test_capability_audit",
+    "test_technique_catalog",
+)
 
 
 def ensure_project_scripts_first() -> None:
@@ -28,4 +38,10 @@ def pytest_runtest_setup() -> None:
     ensure_project_scripts_first()
 
 
+def pytest_collection_modifyitems(items) -> None:
+    for item in items:
+        if item.fspath.basename == "test_api_server_security.py" and item.name.startswith(SLOW_API_SECURITY_PREFIXES):
+            item.add_marker("slow")
+
+
 ensure_project_scripts_first()