Add enterprise appliance experience Phase 1 foundation

tests/backend/test_audit_redaction.py

@@ -0,0 +1,18 @@
+from ._source import load_symbols
+
+
+def _namespace():
+    return load_symbols("_AUDIT_SENSITIVE_KEYS", "_redact_audit_value", "safe_audit_detail", globals_dict={"json": __import__("json")})
+
+
+def test_structured_audit_detail_redacts_secret_categories():
+    safe = _namespace()["safe_audit_detail"]({"license_key": "abc", "result": "valid", "nested": {"token": "xyz"}})
+    assert "abc" not in safe and "xyz" not in safe
+    assert safe.count("[REDACTED]") == 2
+    assert "valid" in safe
+
+
+def test_text_audit_detail_redacts_key_value_pairs():
+    safe = _namespace()["safe_audit_detail"]("license_key=abc token:xyz outcome=valid")
+    assert "abc" not in safe and "xyz" not in safe
+    assert "outcome=valid" in safe