refactor: rename package directory fabledscryer → roundtable

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

roundtable/core/audit.py

@@ -0,0 +1,40 @@
+"""fabledscryer/core/audit.py
+
+Helpers for writing audit log entries. Each call opens its own DB
+session so audit events are committed independently of the calling
+route's transaction (audit is only written after the main action
+succeeds, by calling this after the main `async with db.begin()` block).
+"""
+from __future__ import annotations
+import json
+import logging
+from datetime import datetime, timezone
+
+logger = logging.getLogger(__name__)
+
+
+async def log_audit(
+    app,
+    user_id: str | None,
+    username: str,
+    action: str,
+    entity_type: str | None = None,
+    entity_id: str | None = None,
+    detail: dict | None = None,
+) -> None:
+    """Write one audit event. Never raises — failures are logged and swallowed."""
+    from fabledscryer.models.audit import AuditEvent
+    try:
+        async with app.db_sessionmaker() as db:
+            async with db.begin():
+                db.add(AuditEvent(
+                    user_id=user_id,
+                    username=username or "unknown",
+                    action=action,
+                    entity_type=entity_type,
+                    entity_id=entity_id,
+                    detail_json=json.dumps(detail) if detail else None,
+                    timestamp=datetime.now(timezone.utc),
+                ))
+    except Exception:
+        logger.exception("Failed to write audit event action=%r", action)