diff --git a/paskia/db/background.py b/paskia/db/background.py
index 9b6104a..7a94640 100644
--- a/paskia/db/background.py
+++ b/paskia/db/background.py
@@ -57,7 +57,6 @@ async def flush() -> None:
 
 async def _background_loop():
     """Background task that periodically flushes changes and cleans up."""
-    _logger.info("Background loop starting")
     # Run cleanup immediately on startup to clear old expired items
     cleanup()
     await flush()
@@ -77,18 +76,17 @@ async def _background_loop():
                 await flush()  # Flush cleanup changes
                 last_cleanup = now
         except asyncio.CancelledError:
-            _logger.info("Background loop cancelled, final flush")
             # Final flush before exit
             await flush()
             break
         except Exception:
-            _logger.exception("Error in database background loop")
+            _logger.debug("Error in database background loop", exc_info=True)
 
 
 async def start_background():
     """Start the background flush/cleanup task."""
     global _background_task
-    
+
     # Check if task exists but is no longer running (e.g., after uvicorn reload)
     if _background_task is not None:
         if _background_task.done():
@@ -106,10 +104,9 @@ async def start_background():
             except Exception as e:
                 _logger.debug("Error checking background task loop: %s, restarting", e)
                 _background_task = None
-    
+
     if _background_task is None:
         _background_task = asyncio.create_task(_background_loop())
-        _logger.info("Database background task started")
     else:
         _logger.debug("Background task already running: %s", _background_task)
 
diff --git a/paskia/db/jsonl.py b/paskia/db/jsonl.py
index 645d4da..b3701d7 100644
--- a/paskia/db/jsonl.py
+++ b/paskia/db/jsonl.py
@@ -84,7 +84,9 @@ def compute_diff(previous: dict, current: dict) -> dict | None:
     return diff if diff else None
 
 
-def create_change_record(action: str, diff: dict, user: str | None = None) -> _ChangeRecord:
+def create_change_record(
+    action: str, diff: dict, user: str | None = None
+) -> _ChangeRecord:
     """Create a change record for persistence."""
     return _ChangeRecord(
         ts=datetime.now(timezone.utc),
@@ -121,9 +123,6 @@ async def flush_changes(
         # Append all lines in a single write (binary mode for Windows compatibility)
         async with aiofiles.open(db_path, "ab") as f:
             await f.write(b"\n".join(lines) + b"\n")
-        _logger.debug(
-            "Flushed %d change(s) to %s", len(changes_to_write), db_path
-        )
         return True
     except OSError:
         _logger.exception("Failed to flush database changes")
diff --git a/paskia/db/operations.py b/paskia/db/operations.py
index b476058..29b5bc7 100644
--- a/paskia/db/operations.py
+++ b/paskia/db/operations.py
@@ -7,9 +7,11 @@ Write operations: Functions that validate and commit, or raise ValueError.
 """
 
 import hashlib
+import json
 import logging
 import os
 import secrets
+import sys
 from collections import deque
 from contextlib import contextmanager
 from datetime import datetime, timezone
@@ -113,19 +115,15 @@ class DB:
                         user_display = self._data.users[user_uuid].display_name
                 except (ValueError, KeyError):
                     user_display = self._current_user
-            import json
 
+            diff_json = json.dumps(diff, default=str)
             if user_display:
-                _logger.info(
-                    "DB %s by %s: %s",
-                    self._current_action,
-                    user_display,
-                    json.dumps(diff, default=str),
+                print(
+                    f"{self._current_action} by {user_display}: {diff_json}",
+                    file=sys.stderr,
                 )
             else:
-                _logger.info(
-                    "DB %s: %s", self._current_action, json.dumps(diff, default=str)
-                )
+                print(f"{self._current_action}: {diff_json}", file=sys.stderr)
 
     @contextmanager
     def transaction(
@@ -527,9 +525,7 @@ def get_session_context(
 # -------------------------------------------------------------------------
 
 
-def create_permission(
-    perm: Permission, *, ctx: SessionContext | None = None
-) -> None:
+def create_permission(perm: Permission, *, ctx: SessionContext | None = None) -> None:
     """Create a new permission."""
     if perm.uuid in _db._data.permissions:
         raise ValueError(f"Permission {perm.uuid} already exists")
@@ -542,9 +538,7 @@ def create_permission(
         )
 
 
-def update_permission(
-    perm: Permission, *, ctx: SessionContext | None = None
-) -> None:
+def update_permission(perm: Permission, *, ctx: SessionContext | None = None) -> None:
     """Update a permission's scope, display_name, and domain."""
     if perm.uuid not in _db._data.permissions:
         raise ValueError(f"Permission {perm.uuid} not found")
@@ -583,9 +577,7 @@ def rename_permission(
         _db._data.permissions[key].domain = domain
 
 
-def delete_permission(
-    uuid: str | UUID, *, ctx: SessionContext | None = None
-) -> None:
+def delete_permission(uuid: str | UUID, *, ctx: SessionContext | None = None) -> None:
     """Delete a permission and remove it from all roles."""
     if isinstance(uuid, str):
         uuid = UUID(uuid)
@@ -598,9 +590,7 @@ def delete_permission(
         del _db._data.permissions[uuid]
 
 
-def create_organization(
-    org: Org, *, ctx: SessionContext | None = None
-) -> None:
+def create_organization(org: Org, *, ctx: SessionContext | None = None) -> None:
     """Create a new organization with an Administration role.
 
     Automatically creates an 'Administration' role with auth:org:admin permission.
@@ -651,9 +641,7 @@ def update_organization_name(
         _db._data.orgs[uuid].display_name = display_name
 
 
-def delete_organization(
-    uuid: str | UUID, *, ctx: SessionContext | None = None
-) -> None:
+def delete_organization(uuid: str | UUID, *, ctx: SessionContext | None = None) -> None:
     """Delete organization and all its roles/users."""
     if isinstance(uuid, str):
         uuid = UUID(uuid)
@@ -742,9 +730,7 @@ def remove_permission_from_organization(
         _db._data.permissions[permission_uuid].orgs.pop(org_uuid, None)
 
 
-def create_role(
-    role: Role, *, ctx: SessionContext | None = None
-) -> None:
+def create_role(role: Role, *, ctx: SessionContext | None = None) -> None:
     """Create a new role."""
     if role.uuid in _db._data.roles:
         raise ValueError(f"Role {role.uuid} already exists")
@@ -809,9 +795,7 @@ def remove_permission_from_role(
         _db._data.roles[role_uuid].permissions.pop(permission_uuid, None)
 
 
-def delete_role(
-    uuid: str | UUID, *, ctx: SessionContext | None = None
-) -> None:
+def delete_role(uuid: str | UUID, *, ctx: SessionContext | None = None) -> None:
     """Delete a role."""
     if isinstance(uuid, str):
         uuid = UUID(uuid)
@@ -824,9 +808,7 @@ def delete_role(
         del _db._data.roles[uuid]
 
 
-def create_user(
-    new_user: User, *, ctx: SessionContext | None = None
-) -> None:
+def create_user(new_user: User, *, ctx: SessionContext | None = None) -> None:
     """Create a new user."""
     if new_user.uuid in _db._data.users:
         raise ValueError(f"User {new_user.uuid} already exists")
@@ -849,7 +831,7 @@ def update_user_display_name(
     ctx: SessionContext | None = None,
 ) -> None:
     """Update user display name.
-    
+
     For self-service (user updating own name), ctx can be None and user is derived from uuid.
     For admin operations, ctx should be provided.
     """
@@ -909,9 +891,7 @@ def update_user_role_in_organization(
         _db._data.users[user_uuid].role = new_role_uuid
 
 
-def delete_user(
-    uuid: str | UUID, *, ctx: SessionContext | None = None
-) -> None:
+def delete_user(uuid: str | UUID, *, ctx: SessionContext | None = None) -> None:
     """Delete user and their credentials/sessions."""
     if isinstance(uuid, str):
         uuid = UUID(uuid)
@@ -933,9 +913,7 @@ def delete_user(
         del _db._data.users[uuid]
 
 
-def create_credential(
-    cred: Credential, *, ctx: SessionContext | None = None
-) -> None:
+def create_credential(cred: Credential, *, ctx: SessionContext | None = None) -> None:
     """Create a new credential."""
     if cred.uuid in _db._data.credentials:
         raise ValueError(f"Credential {cred.uuid} already exists")
@@ -1056,7 +1034,7 @@ def set_session_host(key: str, host: str, *, ctx: SessionContext | None = None)
 
 def delete_session(key: str, *, ctx: SessionContext | None = None) -> None:
     """Delete a session.
-    
+
     For logout (user deleting own session), ctx can be None and user is derived from session.
     For admin operations, ctx should be provided.
     """
@@ -1068,9 +1046,11 @@ def delete_session(key: str, *, ctx: SessionContext | None = None) -> None:
         del _db._data.sessions[key]
 
 
-def delete_sessions_for_user(user_uuid: str | UUID, *, ctx: SessionContext | None = None) -> None:
+def delete_sessions_for_user(
+    user_uuid: str | UUID, *, ctx: SessionContext | None = None
+) -> None:
     """Delete all sessions for a user.
-    
+
     For logout-all (user deleting own sessions), ctx can be None and user is derived from user_uuid.
     For admin operations, ctx should be provided.
     """
@@ -1093,7 +1073,7 @@ def create_reset_token(
     ctx: SessionContext | None = None,
 ) -> None:
     """Create a reset token from a passphrase.
-    
+
     For self-service (user creating own recovery link), ctx can be None and user is derived from user_uuid.
     For admin operations, ctx should be provided.
     """
diff --git a/paskia/fastapi/admin.py b/paskia/fastapi/admin.py
index 4e23814..de8dc05 100644
--- a/paskia/fastapi/admin.py
+++ b/paskia/fastapi/admin.py
@@ -214,9 +214,7 @@ async def admin_add_org_permission(
     ctx = await authz.verify(
         auth, ["auth:admin"], host=request.headers.get("host"), match=permutil.has_all
     )
-    db.add_permission_to_organization(
-        str(org_uuid), permission_id, ctx=ctx
-    )
+    db.add_permission_to_organization(str(org_uuid), permission_id, ctx=ctx)
     return {"status": "ok"}
 
 
@@ -240,9 +238,7 @@ async def admin_remove_org_permission(
             "This would lock you out of admin access."
         )
 
-    db.remove_permission_from_organization(
-        str(org_uuid), permission_id, ctx=ctx
-    )
+    db.remove_permission_from_organization(str(org_uuid), permission_id, ctx=ctx)
     return {"status": "ok"}
 
 
@@ -273,7 +269,7 @@ async def admin_create_role(
     perms = payload.get("permissions") or []
     org = db.get_organization(str(org_uuid))
     grantable = set(org.permissions or [])
-    
+
     # Normalize permission IDs to UUIDs
     permission_uuids = []
     for pid in perms:
@@ -284,7 +280,7 @@ async def admin_create_role(
         if perm_uuid_str not in grantable:
             raise ValueError(f"Permission not grantable by org: {pid}")
         permission_uuids.append(perm_uuid_str)
-    
+
     role = RoleDC(
         uuid=role_uuid,
         org_uuid=org_uuid,
@@ -1060,9 +1056,7 @@ async def admin_rename_permission(
         _check_admin_lockout(str(perm.uuid), domain_value, request.headers.get("host"))
 
     # All current backends support rename_permission
-    db.rename_permission(
-        old_scope, new_scope, display_name, domain_value, ctx=ctx
-    )
+    db.rename_permission(old_scope, new_scope, display_name, domain_value, ctx=ctx)
     return {"status": "ok"}
 
 
diff --git a/tests/test_admin.py b/tests/test_admin.py
index f7ee8ad..9d7c12a 100644
--- a/tests/test_admin.py
+++ b/tests/test_admin.py
@@ -120,7 +120,9 @@ async def second_org_session_token(
 
 
 @pytest_asyncio.fixture(scope="function")
-async def org_admin_role(test_db: DB, test_org: Org, org_admin_permission: Permission) -> Role:
+async def org_admin_role(
+    test_db: DB, test_org: Org, org_admin_permission: Permission
+) -> Role:
     """Create a role with org admin permission only (no global admin)."""
     role = Role(
         uuid=uuid7.create(),