Guard LongBridge against legacy US equity profile keys

Author: Pigbibi

tests/test_profile_key_governance.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+LEGACY_PROFILE_KEYS = (
+    "hybrid_growth_income",
+    "semiconductor_rotation_income",
+    "tech_pullback_cash_buffer",
+)
+ALLOWED_PATHS = ['tests/test_profile_key_governance.py']
+
+
+def _iter_repo_files():
+    for path in sorted(REPO_ROOT.rglob("*")):
+        if not path.is_file():
+            continue
+        if any(part in {".git", ".venv", "__pycache__", ".pytest_cache", ".ruff_cache"} for part in path.parts):
+            continue
+        rel = path.relative_to(REPO_ROOT).as_posix()
+        if rel.startswith("research/results/"):
+            continue
+        yield path, rel
+
+
+def test_legacy_profile_keys_only_exist_in_explicit_rejection_tests():
+    offenders: dict[str, tuple[str, ...]] = {}
+    for path, rel in _iter_repo_files():
+        text = path.read_text(encoding="utf-8", errors="ignore")
+        hits = tuple(key for key in LEGACY_PROFILE_KEYS if key in text)
+        if hits and rel not in ALLOWED_PATHS:
+            offenders[rel] = hits
+    assert offenders == {}