diff --git a/frontend/auth/admin/AdminApp.vue b/frontend/auth/admin/AdminApp.vue
index 6563452..fa3551c 100644
--- a/frontend/auth/admin/AdminApp.vue
+++ b/frontend/auth/admin/AdminApp.vue
@@ -300,8 +300,8 @@ async function toggleRolePermission(role, pid, checked) {
 }
 
 // Permission actions
-async function performPermissionDeletion(permissionScope) {
-  const params = new URLSearchParams({ permission_id: permissionScope })
+async function performPermissionDeletion(permissionUuid) {
+  const params = new URLSearchParams({ permission_uuid: permissionUuid })
   await apiJson(`/auth/api/admin/permission?${params.toString()}`, { method: 'DELETE' })
   await loadPermissions()
 }
@@ -321,7 +321,7 @@ function deletePermission(p) {
 
   if (roleCount === 0) {
     // No roles have this permission, safe to delete directly
-    performPermissionDeletion(p.scope)
+    performPermissionDeletion(p.uuid)
       .then(() => {
         authStore.showMessage(`Permission "${p.display_name}" deleted.`, 'success', 2500)
       })
@@ -337,7 +337,7 @@ function deletePermission(p) {
   const affects = parts.join(', ')
 
   openDialog('confirm', { message: `Delete permission "${p.display_name}" (${affects})?`, action: async () => {
-    await performPermissionDeletion(p.scope)
+    await performPermissionDeletion(p.uuid)
   } })
 }
 
@@ -417,7 +417,7 @@ async function toggleOrgPermission(org, permId, checked) {
   const prev = [...org.permissions]
   org.permissions = next
   try {
-    const params = new URLSearchParams({ permission_id: permId })
+    const params = new URLSearchParams({ permission_uuid: permId })
     await apiJson(`/auth/api/admin/orgs/${org.uuid}/permission?${params.toString()}`, { method: checked ? 'POST' : 'DELETE' })
     await loadOrgs()
   } catch (e) {
@@ -633,31 +633,28 @@ async function submitDialog() {
       return // Don't call closeDialog() again
     } else if (t === 'perm-display') {
       const { permission } = dialog.value.data
-      const newId = dialog.value.data.scope?.trim()
+      const newScope = dialog.value.data.scope?.trim()
       const newDisplay = dialog.value.data.display_name?.trim()
       const newDomain = dialog.value.data.domain?.trim() || ''
       if (!newDisplay) throw new Error('Display name required')
-      if (!newId) throw new Error('Scope required')
+      if (!newScope) throw new Error('Scope required')
 
       // Close dialog immediately, then perform async operation
       closeDialog()
 
       const oldDomain = permission.domain || ''
-      let apiCall;
-      if (newId !== permission.scope) {
-        // Scope changed, use rename endpoint (also update domain)
-        apiCall = apiJson('/auth/api/admin/permission/rename', { method: 'POST', body: { old_scope: permission.scope, new_scope: newId, display_name: newDisplay, domain: newDomain } })
-      } else if (newDisplay !== permission.display_name || newDomain !== oldDomain) {
-        // Display name or domain changed
-        const params = new URLSearchParams({ permission_id: permission.scope, display_name: newDisplay })
-        if (newDomain) params.set('domain', newDomain)
-        apiCall = apiJson(`/auth/api/admin/permission?${params.toString()}`, { method: 'PATCH' })
-      } else {
-        // No changes
-        return
+      // Check if anything changed
+      if (newScope === permission.scope && newDisplay === permission.display_name && newDomain === oldDomain) {
+        return // No changes
       }
 
-      apiCall
+      // Always use PATCH with permission_uuid
+      const params = new URLSearchParams({ permission_uuid: permission.uuid })
+      if (newScope !== permission.scope) params.set('scope', newScope)
+      if (newDisplay !== permission.display_name) params.set('display_name', newDisplay)
+      if (newDomain !== oldDomain) params.set('domain', newDomain || '')
+
+      apiJson(`/auth/api/admin/permission?${params.toString()}`, { method: 'PATCH' })
         .then(() => {
           authStore.showMessage(`Permission "${newDisplay}" updated.`, 'success', 2500)
           loadPermissions()
diff --git a/paskia/authsession.py b/paskia/authsession.py
index f9224a2..4169394 100644
--- a/paskia/authsession.py
+++ b/paskia/authsession.py
@@ -17,7 +17,7 @@ from paskia.config import RESET_LIFETIME, SESSION_LIFETIME
 from paskia.util import hostutil
 
 if TYPE_CHECKING:
-    from paskia.db import ResetToken, Session
+    from paskia.db import ResetToken
 
 EXPIRES = SESSION_LIFETIME
 
@@ -39,24 +39,6 @@ async def get_reset(token: str) -> "ResetToken":
     raise ValueError("This authentication link is no longer valid.")
 
 
-async def get_session(token: str, host: str | None = None) -> "Session":
-    """Validate a session token and return session data if valid."""
-
-    host = hostutil.normalize_host(host)
-    if not host:
-        raise ValueError("Invalid host")
-    session = db.data().sessions.get(token)
-    if session:
-        if session.host is None:
-            # First time binding: store exact host:port (or IPv6 form) now.
-            db.set_session_host(session.key, host)
-            session.host = host
-        elif session.host != host:
-            raise ValueError("Session host mismatch")
-        return session
-    raise ValueError("Your session has expired. Please sign in again!")
-
-
 async def refresh_session_token(token: str, *, ip: str, user_agent: str):
     """Refresh a session extending its expiry."""
     session_record = db.data().sessions.get(token)
@@ -74,5 +56,7 @@ async def refresh_session_token(token: str, *, ip: str, user_agent: str):
 
 async def delete_credential(credential_uuid: UUID, auth: str, host: str | None = None):
     """Delete a specific credential for the current user."""
-    s = await get_session(auth, host=host)
-    db.delete_credential(credential_uuid, s.user)
+    ctx = db.get_session_context(auth, hostutil.normalize_host(host))
+    if not ctx:
+        raise ValueError("Session expired")
+    db.delete_credential(credential_uuid, ctx.user.uuid)
diff --git a/paskia/db/__init__.py b/paskia/db/__init__.py
index a69a9d5..e24658e 100644
--- a/paskia/db/__init__.py
+++ b/paskia/db/__init__.py
@@ -27,20 +27,20 @@ from paskia.db.background import (
     stop_cleanup,
 )
 from paskia.db.operations import (
-    add_permission_to_organization,
+    add_permission_to_org,
     add_permission_to_role,
     bootstrap,
     cleanup_expired,
     create_credential,
     create_credential_session,
-    create_organization,
+    create_org,
     create_permission,
     create_reset_token,
     create_role,
     create_session,
     create_user,
     delete_credential,
-    delete_organization,
+    delete_org,
     delete_permission,
     delete_reset_token,
     delete_role,
@@ -54,12 +54,11 @@ from paskia.db.operations import (
     get_user_organization,
     init,
     login,
-    remove_permission_from_organization,
+    remove_permission_from_org,
     remove_permission_from_role,
-    rename_permission,
     set_session_host,
     update_credential_sign_count,
-    update_organization_name,
+    update_org_name,
     update_permission,
     update_role_name,
     update_session,
@@ -118,20 +117,20 @@ __all__ = [
     "get_user_credential_ids",
     "get_user_organization",
     # Write ops
-    "add_permission_to_organization",
+    "add_permission_to_org",
     "add_permission_to_role",
     "bootstrap",
     "cleanup_expired",
     "create_credential",
     "create_credential_session",
-    "create_organization",
+    "create_org",
     "create_permission",
     "create_reset_token",
     "create_role",
     "create_session",
     "create_user",
     "delete_credential",
-    "delete_organization",
+    "delete_org",
     "delete_permission",
     "delete_reset_token",
     "delete_role",
@@ -139,12 +138,11 @@ __all__ = [
     "delete_sessions_for_user",
     "delete_user",
     "login",
-    "remove_permission_from_organization",
+    "remove_permission_from_org",
     "remove_permission_from_role",
-    "rename_permission",
     "set_session_host",
     "update_credential_sign_count",
-    "update_organization_name",
+    "update_org_name",
     "update_permission",
     "update_role_name",
     "update_session",
diff --git a/paskia/db/operations.py b/paskia/db/operations.py
index 8a4458b..4bafc0e 100644
--- a/paskia/db/operations.py
+++ b/paskia/db/operations.py
@@ -154,7 +154,7 @@ def get_session_context(
     if host is not None:
         if s.host is None:
             # Bind session to this host
-            with _db.transaction("host_binding"):
+            with _db.transaction("bind_session_host"):
                 s.host = host
         elif s.host != host:
             # Session bound to different host
@@ -221,7 +221,7 @@ def create_permission(perm: Permission, *, ctx: SessionContext | None = None) ->
     """Create a new permission."""
     if perm.uuid in _db.permissions:
         raise ValueError(f"Permission {perm.uuid} already exists")
-    with _db.transaction("Created permission", ctx):
+    with _db.transaction("admin:create_permission", ctx):
         _db.permissions[perm.uuid] = perm
 
 
@@ -229,54 +229,31 @@ def update_permission(perm: Permission, *, ctx: SessionContext | None = None) ->
     """Update a permission's scope, display_name, and domain."""
     if perm.uuid not in _db.permissions:
         raise ValueError(f"Permission {perm.uuid} not found")
-    with _db.transaction("Updated permission", ctx):
+    with _db.transaction("admin:update_permission", ctx):
         _db.permissions[perm.uuid].scope = perm.scope
         _db.permissions[perm.uuid].display_name = perm.display_name
         _db.permissions[perm.uuid].domain = perm.domain
 
 
-def rename_permission(
-    uuid: UUID,
-    new_scope: str,
-    display_name: str,
-    domain: str | None = None,
-    *,
-    ctx: SessionContext | None = None,
-) -> None:
-    """Rename a permission's scope. The UUID remains the same.
-
-    Since roles reference permissions by UUID, no role updates are needed.
-    Note: Scopes do not need to be unique (same scope with different domains is valid).
-    """
-    if uuid not in _db.permissions:
-        raise ValueError(f"Permission {uuid} not found")
-
-    with _db.transaction("Renamed permission", ctx):
-        # Update the permission
-        _db.permissions[uuid].scope = new_scope
-        _db.permissions[uuid].display_name = display_name
-        _db.permissions[uuid].domain = domain
-
-
 def delete_permission(uuid: UUID, *, ctx: SessionContext | None = None) -> None:
     """Delete a permission and remove it from all roles."""
     if uuid not in _db.permissions:
         raise ValueError(f"Permission {uuid} not found")
-    with _db.transaction("Deleted permission", ctx):
+    with _db.transaction("admin:delete_permission", ctx):
         # Remove this permission from all roles
         for role in _db.roles.values():
             role.permissions.pop(uuid, None)
         del _db.permissions[uuid]
 
 
-def create_organization(org: Org, *, ctx: SessionContext | None = None) -> None:
+def create_org(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.
     """
     if org.uuid in _db.orgs:
         raise ValueError(f"Organization {org.uuid} already exists")
-    with _db.transaction("Created organization", ctx):
+    with _db.transaction("admin:create_org", ctx):
         new_org = Org(
             display_name=org.display_name, created_at=datetime.now(timezone.utc)
         )
@@ -301,7 +278,7 @@ def create_organization(org: Org, *, ctx: SessionContext | None = None) -> None:
         _db.roles[admin_role_uuid] = admin_role
 
 
-def update_organization_name(
+def update_org_name(
     uuid: UUID,
     display_name: str,
     *,
@@ -310,15 +287,15 @@ def update_organization_name(
     """Update organization display name."""
     if uuid not in _db.orgs:
         raise ValueError(f"Organization {uuid} not found")
-    with _db.transaction("Renamed organization", ctx):
+    with _db.transaction("admin:update_org_name", ctx):
         _db.orgs[uuid].display_name = display_name
 
 
-def delete_organization(uuid: UUID, *, ctx: SessionContext | None = None) -> None:
+def delete_org(uuid: UUID, *, ctx: SessionContext | None = None) -> None:
     """Delete organization and all its roles/users."""
     if uuid not in _db.orgs:
         raise ValueError(f"Organization {uuid} not found")
-    with _db.transaction("Deleted organization", ctx):
+    with _db.transaction("admin:delete_org", ctx):
         # Remove org from all permissions
         for p in _db.permissions.values():
             p.orgs.pop(uuid, None)
@@ -333,7 +310,7 @@ def delete_organization(uuid: UUID, *, ctx: SessionContext | None = None) -> Non
         del _db.orgs[uuid]
 
 
-def add_permission_to_organization(
+def add_permission_to_org(
     org_uuid: UUID,
     permission_uuid: UUID,
     *,
@@ -346,11 +323,11 @@ def add_permission_to_organization(
     if permission_uuid not in _db.permissions:
         raise ValueError(f"Permission {permission_uuid} not found")
 
-    with _db.transaction("Granted org permission", ctx):
+    with _db.transaction("admin:add_permission_to_org", ctx):
         _db.permissions[permission_uuid].orgs[org_uuid] = True
 
 
-def remove_permission_from_organization(
+def remove_permission_from_org(
     org_uuid: UUID,
     permission_uuid: UUID,
     *,
@@ -363,7 +340,7 @@ def remove_permission_from_organization(
     if permission_uuid not in _db.permissions:
         return  # Permission not found, silently return
 
-    with _db.transaction("Revoked org permission", ctx):
+    with _db.transaction("admin:remove_permission_from_org", ctx):
         _db.permissions[permission_uuid].orgs.pop(org_uuid, None)
 
 
@@ -373,7 +350,7 @@ def create_role(role: Role, *, ctx: SessionContext | None = None) -> None:
         raise ValueError(f"Role {role.uuid} already exists")
     if role.org not in _db.orgs:
         raise ValueError(f"Organization {role.org} not found")
-    with _db.transaction("Created role", ctx):
+    with _db.transaction("admin:create_role", ctx):
         _db.roles[role.uuid] = role
 
 
@@ -386,7 +363,7 @@ def update_role_name(
     """Update role display name."""
     if uuid not in _db.roles:
         raise ValueError(f"Role {uuid} not found")
-    with _db.transaction("Renamed role", ctx):
+    with _db.transaction("admin:update_role_name", ctx):
         _db.roles[uuid].display_name = display_name
 
 
@@ -401,7 +378,7 @@ def add_permission_to_role(
         raise ValueError(f"Role {role_uuid} not found")
     if permission_uuid not in _db.permissions:
         raise ValueError(f"Permission {permission_uuid} not found")
-    with _db.transaction("Granted role permission", ctx):
+    with _db.transaction("admin:add_permission_to_role", ctx):
         _db.roles[role_uuid].permissions[permission_uuid] = True
 
 
@@ -414,7 +391,7 @@ def remove_permission_from_role(
     """Remove permission from role by UUID."""
     if role_uuid not in _db.roles:
         raise ValueError(f"Role {role_uuid} not found")
-    with _db.transaction("Revoked role permission", ctx):
+    with _db.transaction("admin:remove_permission_from_role", ctx):
         _db.roles[role_uuid].permissions.pop(permission_uuid, None)
 
 
@@ -425,7 +402,7 @@ def delete_role(uuid: UUID, *, ctx: SessionContext | None = None) -> None:
     # Check no users have this role
     if any(u.role == uuid for u in _db.users.values()):
         raise ValueError(f"Cannot delete role {uuid}: users still assigned")
-    with _db.transaction("Deleted role", ctx):
+    with _db.transaction("admin:delete_role", ctx):
         del _db.roles[uuid]
 
 
@@ -435,7 +412,7 @@ def create_user(new_user: User, *, ctx: SessionContext | None = None) -> None:
         raise ValueError(f"User {new_user.uuid} already exists")
     if new_user.role not in _db.roles:
         raise ValueError(f"Role {new_user.role} not found")
-    with _db.transaction("Created user", ctx):
+    with _db.transaction("admin:create_user", ctx):
         _db.users[new_user.uuid] = new_user
 
 
@@ -447,16 +424,15 @@ def update_user_display_name(
 ) -> 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.
+    The acting user should be logged via ctx.
+    For self-service (user updating own name), pass user's ctx.
+    For admin operations, pass admin's ctx.
     """
     if isinstance(uuid, str):
         uuid = UUID(uuid)
     if uuid not in _db.users:
         raise ValueError(f"User {uuid} not found")
-    # For self-service, derive user from the uuid being modified
-    user_str = str(uuid) if not ctx else None
-    with _db.transaction("Renamed user", ctx, user=user_str):
+    with _db.transaction("update_user_display_name", ctx):
         _db.users[uuid].display_name = display_name
 
 
@@ -471,7 +447,7 @@ def update_user_role(
         raise ValueError(f"User {uuid} not found")
     if role_uuid not in _db.roles:
         raise ValueError(f"Role {role_uuid} not found")
-    with _db.transaction("Changed user role", ctx):
+    with _db.transaction("admin:update_user_role", ctx):
         _db.users[uuid].role = role_uuid
 
 
@@ -496,7 +472,7 @@ def update_user_role_in_organization(
             break
     if new_role_uuid is None:
         raise ValueError(f"Role '{role_name}' not found in organization")
-    with _db.transaction("Changed user role", ctx):
+    with _db.transaction("admin:update_user_role", ctx):
         _db.users[user_uuid].role = new_role_uuid
 
 
@@ -504,7 +480,7 @@ def delete_user(uuid: UUID, *, ctx: SessionContext | None = None) -> None:
     """Delete user and their credentials/sessions."""
     if uuid not in _db.users:
         raise ValueError(f"User {uuid} not found")
-    with _db.transaction("Deleted user", ctx):
+    with _db.transaction("admin:delete_user", ctx):
         # Delete credentials
         cred_uuids = [cid for cid, c in _db.credentials.items() if c.user == uuid]
         for cid in cred_uuids:
@@ -526,7 +502,7 @@ def create_credential(cred: Credential, *, ctx: SessionContext | None = None) ->
         raise ValueError(f"Credential {cred.uuid} already exists")
     if cred.user not in _db.users:
         raise ValueError(f"User {cred.user} not found")
-    with _db.transaction("Added credential", ctx):
+    with _db.transaction("create_credential", ctx):
         _db.credentials[cred.uuid] = cred
 
 
@@ -540,7 +516,7 @@ def update_credential_sign_count(
     """Update credential sign count and last_used."""
     if uuid not in _db.credentials:
         raise ValueError(f"Credential {uuid} not found")
-    with _db.transaction("Updated credential", ctx):
+    with _db.transaction("update_credential_sign_count", ctx):
         _db.credentials[uuid].sign_count = sign_count
         if last_used:
             _db.credentials[uuid].last_used = last_used
@@ -562,7 +538,7 @@ def delete_credential(
         cred_user = _db.credentials[uuid].user
         if cred_user != user_uuid:
             raise ValueError(f"Credential {uuid} does not belong to user {user_uuid}")
-    with _db.transaction("Deleted credential", ctx):
+    with _db.transaction("delete_credential", ctx):
         # Delete all sessions using this credential
         keys = [k for k, s in _db.sessions.items() if s.credential == uuid]
         for k in keys:
@@ -588,7 +564,7 @@ def create_session(
         raise ValueError(f"User {user_uuid} not found")
     if credential_uuid not in _db.credentials:
         raise ValueError(f"Credential {credential_uuid} not found")
-    with _db.transaction("Created session", ctx):
+    with _db.transaction("create_session", ctx):
         _db.sessions[key] = Session(
             user=user_uuid,
             credential=credential_uuid,
@@ -611,7 +587,7 @@ def update_session(
     """Update session metadata."""
     if key not in _db.sessions:
         raise ValueError("Session not found")
-    with _db.transaction("Updated session", ctx):
+    with _db.transaction("update_session", ctx):
         s = _db.sessions[key]
         if host is not None:
             s.host = host
@@ -631,14 +607,13 @@ 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.
+    The acting user should be logged via ctx.
+    For user logout, pass ctx of the user's session.
+    For admin terminating a session, pass admin's ctx.
     """
     if key not in _db.sessions:
         raise ValueError("Session not found")
-    # For self-service logout, derive user from the session being deleted
-    user_str = str(_db.sessions[key].user) if not ctx else None
-    with _db.transaction("Deleted session", ctx, user=user_str):
+    with _db.transaction("delete_session", ctx):
         del _db.sessions[key]
 
 
@@ -647,12 +622,11 @@ def delete_sessions_for_user(
 ) -> 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.
+    The acting user should be logged via ctx.
+    For user logout-all, pass ctx of the user's session.
+    For admin bulk termination, pass admin's ctx.
     """
-    # For self-service, derive user from the user_uuid param
-    user_str = str(user_uuid) if not ctx else None
-    with _db.transaction("Deleted user sessions", ctx, user=user_str):
+    with _db.transaction("admin:delete_sessions_for_user", ctx):
         keys = [k for k, s in _db.sessions.items() if s.user == user_uuid]
         for k in keys:
             del _db.sessions[k]
@@ -668,17 +642,17 @@ def create_reset_token(
 ) -> 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.
+    The acting user should be logged via ctx.
+    For self-service (user creating own recovery link), pass user's ctx.
+    For admin operations, pass admin's ctx.
+    For system operations (bootstrap), pass neither to log no user.
     """
     key = _reset_key(passphrase)
     if key in _db.reset_tokens:
         raise ValueError("Reset token already exists")
     if user_uuid not in _db.users:
         raise ValueError(f"User {user_uuid} not found")
-    # For self-service, derive user from the user_uuid param
-    user_str = str(user_uuid) if not ctx else None
-    with _db.transaction("Created reset token", ctx, user=user_str):
+    with _db.transaction("create_reset_token", ctx):
         _db.reset_tokens[key] = ResetToken(
             user=user_uuid, expiry=expiry, token_type=token_type
         )
@@ -688,7 +662,7 @@ def delete_reset_token(key: bytes, *, ctx: SessionContext | None = None) -> None
     """Delete a reset token."""
     if key not in _db.reset_tokens:
         raise ValueError("Reset token not found")
-    with _db.transaction("Deleted reset token", ctx):
+    with _db.transaction("delete_reset_token", ctx):
         del _db.reset_tokens[key]
 
 
@@ -701,7 +675,7 @@ def cleanup_expired() -> int:
     """Remove expired sessions and reset tokens. Returns count removed."""
     now = datetime.now(timezone.utc)
     count = 0
-    with _db.transaction("Cleaned up expired"):
+    with _db.transaction("admin:cleanup_expired"):
         expired_sessions = [k for k, s in _db.sessions.items() if s.expiry < now]
         for k in expired_sessions:
             del _db.sessions[k]
@@ -751,7 +725,7 @@ def login(
 
     session_key = _create_token()
     user_str = str(user_uuid)
-    with _db.transaction("User logged in", user=user_str):
+    with _db.transaction("login", user=user_str):
         # Update user
         _db.users[user_uuid].last_seen = now
         _db.users[user_uuid].visits += 1
@@ -798,7 +772,7 @@ def create_credential_session(
         raise ValueError(f"User {user_uuid} not found")
 
     user_str = str(user_uuid)
-    with _db.transaction("Registered credential", user=user_str):
+    with _db.transaction("create_credential_session", user=user_str):
         # Update display name if provided
         if display_name:
             _db.users[user_uuid].display_name = display_name
@@ -875,6 +849,7 @@ def bootstrap(
         reset_passphrase = generate_passphrase()
     if reset_expiry is None:
         from paskia.util.timeutil import reset_expires  # noqa: PLC0415
+
         reset_expiry = reset_expires()
     reset_key = _reset_key(reset_passphrase)
 
diff --git a/paskia/fastapi/admin.py b/paskia/fastapi/admin.py
index e039521..c70e00c 100644
--- a/paskia/fastapi/admin.py
+++ b/paskia/fastapi/admin.py
@@ -148,10 +148,10 @@ async def admin_create_org(
     display_name = payload.get("display_name") or "New Organization"
     permissions = payload.get("permissions") or []
     org = OrgDC.create(display_name=display_name)
-    db.create_organization(org, ctx=ctx)
+    db.create_org(org, ctx=ctx)
     # Grant requested permissions to the new org
     for perm in permissions:
-        db.add_permission_to_organization(str(org.uuid), perm)
+        db.add_permission_to_org(str(org.uuid), perm)
 
     return {"uuid": str(org.uuid)}
 
@@ -178,7 +178,7 @@ async def admin_update_org_name(
     if not display_name:
         raise ValueError("display_name is required")
 
-    db.update_organization_name(org_uuid, display_name, ctx=ctx)
+    db.update_org_name(org_uuid, display_name, ctx=ctx)
     return {"status": "ok"}
 
 
@@ -212,7 +212,7 @@ async def admin_delete_org(org_uuid: UUID, request: Request, auth=AUTH_COOKIE):
         ):
             db.delete_permission(perm.uuid, ctx=ctx)
 
-    db.delete_organization(org_uuid, ctx=ctx)
+    db.delete_org(org_uuid, ctx=ctx)
     return {"status": "ok"}
 
 
@@ -220,27 +220,14 @@ async def admin_delete_org(org_uuid: UUID, request: Request, auth=AUTH_COOKIE):
 async def admin_add_org_permission(
     org_uuid: UUID,
     request: Request,
-    permission_id: str = Query(...),
+    permission_uuid: UUID = Query(...),
     auth=AUTH_COOKIE,
 ):
     ctx = await authz.verify(
         auth, ["auth:admin"], host=request.headers.get("host"), match=permutil.has_all
     )
 
-    # Convert permission_id to UUID
-    try:
-        permission_uuid = UUID(permission_id)
-    except ValueError:
-        # It's a scope - look up the UUID
-        perm = next(
-            (p for p in db.data().permissions.values() if p.scope == permission_id),
-            None,
-        )
-        if not perm:
-            raise HTTPException(status_code=404, detail="Permission not found")
-        permission_uuid = perm.uuid
-
-    db.add_permission_to_organization(org_uuid, permission_uuid, ctx=ctx)
+    db.add_permission_to_org(org_uuid, permission_uuid, ctx=ctx)
     return {"status": "ok"}
 
 
@@ -248,25 +235,14 @@ async def admin_add_org_permission(
 async def admin_remove_org_permission(
     org_uuid: UUID,
     request: Request,
-    permission_id: str = Query(...),
+    permission_uuid: UUID = Query(...),
     auth=AUTH_COOKIE,
 ):
     ctx = await authz.verify(
         auth, ["auth:admin"], host=request.headers.get("host"), match=permutil.has_all
     )
 
-    # Convert permission_id to UUID
-    try:
-        permission_uuid = UUID(permission_id)
-    except ValueError:
-        # It's a scope - look up the UUID
-        perm = next(
-            (p for p in db.data().permissions.values() if p.scope == permission_id),
-            None,
-        )
-        if not perm:
-            raise HTTPException(status_code=404, detail="Permission not found")
-        permission_uuid = perm.uuid
+    db.remove_permission_from_org(org_uuid, permission_uuid, ctx=ctx)
 
     # Guard rail: prevent removing auth:admin from your own org if it would lock you out
     perm = db.data().permissions.get(permission_uuid)
@@ -278,7 +254,7 @@ async def admin_remove_org_permission(
             "This would lock you out of admin access."
         )
 
-    db.remove_permission_from_organization(org_uuid, permission_uuid, ctx=ctx)
+    db.remove_permission_from_org(org_uuid, permission_uuid, ctx=ctx)
     return {"status": "ok"}
 
 
@@ -1008,6 +984,10 @@ async def admin_update_permission(
     new_display_name = display_name if display_name is not None else perm.display_name
     domain_value = domain if domain else None
 
+    # Sanity check: prevent changing the auth:admin permission scope
+    if perm.scope == "auth:admin" and new_scope != "auth:admin":
+        raise ValueError("Cannot rename the master admin permission")
+
     if not new_display_name:
         raise ValueError("display_name is required")
     querysafe.assert_safe(new_scope, field="scope")
@@ -1027,52 +1007,6 @@ async def admin_update_permission(
     return {"status": "ok"}
 
 
-@app.post("/permission/rename")
-@app.put("/permission/rename")
-async def admin_rename_permission(
-    request: Request,
-    permission_uuid: UUID = Query(...),
-    payload: dict = Body(...),
-    auth=AUTH_COOKIE,
-):
-    ctx = await authz.verify(
-        auth, ["auth:admin"], host=request.headers.get("host"), match=permutil.has_all
-    )
-    new_scope = payload.get("new_scope") or payload.get("new_id")  # Support both
-    display_name = payload.get("display_name")
-    domain = payload.get(
-        "domain"
-    )  # Can be None (not provided), empty string (clear), or value
-    if not new_scope:
-        raise ValueError("new_scope required")
-
-    # Sanity check: prevent renaming critical permissions
-    perm = db.data().permissions.get(permission_uuid)
-    if perm.scope == "auth:admin":
-        raise ValueError("Cannot rename the master admin permission")
-
-    querysafe.assert_safe(new_scope, field="new_scope")
-
-    if display_name is None:
-        display_name = perm.display_name
-    # domain=None means "not provided, keep existing", domain="" means "clear it"
-    if domain is None:
-        domain_value = perm.domain
-    else:
-        domain_value = domain if domain else None
-    _validate_permission_domain(domain_value)
-
-    # Safety check: prevent admin lockout when setting domain on auth:admin
-    if perm.scope == "auth:admin" or new_scope == "auth:admin":
-        _check_admin_lockout(str(perm.uuid), domain_value, request.headers.get("host"))
-
-    # All current backends support rename_permission
-    db.rename_permission(
-        permission_uuid, new_scope, display_name, domain_value, ctx=ctx
-    )
-    return {"status": "ok"}
-
-
 @app.delete("/permission")
 async def admin_delete_permission(
     request: Request,
diff --git a/paskia/fastapi/api.py b/paskia/fastapi/api.py
index 5bb37da..730a968 100644
--- a/paskia/fastapi/api.py
+++ b/paskia/fastapi/api.py
@@ -17,7 +17,6 @@ from paskia import db
 from paskia.authsession import (
     EXPIRES,
     get_reset,
-    get_session,
     refresh_session_token,
 )
 from paskia.fastapi import authz, session, user
@@ -234,15 +233,14 @@ async def api_user_info(
             detail="Authentication required",
             mode="login",
         )
-    try:
-        session_record = await get_session(auth, host=request.headers.get("host"))
-    except ValueError as e:
-        raise HTTPException(401, str(e))
+    ctx = db.get_session_context(auth, request.headers.get("host"))
+    if not ctx:
+        raise HTTPException(401, "Session expired")
 
     return await userinfo.format_user_info(
-        user_uuid=session_record.user,
+        user_uuid=ctx.user.uuid,
         auth=auth,
-        session_record=session_record,
+        session_record=ctx.session,
         request_host=request.headers.get("host"),
     )
 
@@ -251,12 +249,12 @@ async def api_user_info(
 async def api_logout(request: Request, response: Response, auth=AUTH_COOKIE):
     if not auth:
         return {"message": "Already logged out"}
-    try:
-        _s = await get_session(auth, host=request.headers.get("host"))
-    except ValueError:
+    host = request.headers.get("host")
+    ctx = db.get_session_context(auth, host)
+    if not ctx:
         return {"message": "Already logged out"}
     with suppress(Exception):
-        db.delete_session(auth)
+        db.delete_session(auth, ctx=ctx)
     session.clear_session_cookie(response)
     return {"message": "Logged out successfully"}
 
@@ -265,9 +263,11 @@ async def api_logout(request: Request, response: Response, auth=AUTH_COOKIE):
 async def api_set_session(
     request: Request, response: Response, auth=Depends(bearer_auth)
 ):
-    user = await get_session(auth.credentials, host=request.headers.get("host"))
+    ctx = db.get_session_context(auth.credentials, request.headers.get("host"))
+    if not ctx:
+        raise HTTPException(401, "Session expired")
     session.set_session_cookie(response, auth.credentials)
     return {
         "message": "Session cookie set successfully",
-        "user": str(user.user),
+        "user": str(ctx.user.uuid),
     }
diff --git a/paskia/fastapi/user.py b/paskia/fastapi/user.py
index aa8411a..304e2b6 100644
--- a/paskia/fastapi/user.py
+++ b/paskia/fastapi/user.py
@@ -14,7 +14,6 @@ from paskia import db
 from paskia.authsession import (
     delete_credential,
     expires,
-    get_session,
 )
 from paskia.fastapi import authz, session
 from paskia.fastapi.session import AUTH_COOKIE
@@ -43,18 +42,18 @@ async def user_update_display_name(
         raise authz.AuthException(
             status_code=401, detail="Authentication Required", mode="login"
         )
-    try:
-        s = await get_session(auth, host=request.headers.get("host"))
-    except ValueError as e:
+    host = request.headers.get("host")
+    ctx = db.get_session_context(auth, host)
+    if not ctx:
         raise authz.AuthException(
             status_code=401, detail="Session expired", mode="login"
-        ) from e
+        )
     new_name = (payload.get("display_name") or "").strip()
     if not new_name:
         raise HTTPException(status_code=400, detail="display_name required")
     if len(new_name) > 64:
         raise HTTPException(status_code=400, detail="display_name too long")
-    db.update_user_display_name(s.user, new_name)
+    db.update_user_display_name(ctx.user.uuid, new_name, ctx=ctx)
     return {"status": "ok"}
 
 
@@ -62,13 +61,13 @@ async def user_update_display_name(
 async def api_logout_all(request: Request, response: Response, auth=AUTH_COOKIE):
     if not auth:
         return {"message": "Already logged out"}
-    try:
-        s = await get_session(auth, host=request.headers.get("host"))
-    except ValueError:
+    host = request.headers.get("host")
+    ctx = db.get_session_context(auth, host)
+    if not ctx:
         raise authz.AuthException(
             status_code=401, detail="Session expired", mode="login"
         )
-    db.delete_sessions_for_user(s.user)
+    db.delete_sessions_for_user(ctx.user.uuid, ctx=ctx)
     session.clear_session_cookie(response)
     return {"message": "Logged out from all hosts"}
 
@@ -84,18 +83,18 @@ async def api_delete_session(
         raise authz.AuthException(
             status_code=401, detail="Authentication Required", mode="login"
         )
-    try:
-        current_session = await get_session(auth, host=request.headers.get("host"))
-    except ValueError as exc:
+    host = request.headers.get("host")
+    ctx = db.get_session_context(auth, host)
+    if not ctx:
         raise authz.AuthException(
             status_code=401, detail="Session expired", mode="login"
-        ) from exc
+        )
 
     target_session = db.data().sessions.get(session_id)
-    if not target_session or target_session.user != current_session.user:
+    if not target_session or target_session.user != ctx.user.uuid:
         raise HTTPException(status_code=404, detail="Session not found")
 
-    db.delete_session(session_id)
+    db.delete_session(session_id, ctx=ctx)
     current_terminated = session_id == auth
     if current_terminated:
         session.clear_session_cookie(response)  # explicit because 200
@@ -127,20 +126,15 @@ async def api_create_link(
     auth=AUTH_COOKIE,
 ):
     # Require recent authentication for sensitive operation
-    await authz.verify(auth, [], host=request.headers.get("host"), max_age="5m")
-    try:
-        s = await get_session(auth, host=request.headers.get("host"))
-    except ValueError as e:
-        raise authz.AuthException(
-            status_code=401, detail="Session expired", mode="login"
-        ) from e
+    ctx = await authz.verify(auth, [], host=request.headers.get("host"), max_age="5m")
     token = passphrase.generate()
     expiry = expires()
     db.create_reset_token(
-        user_uuid=s.user,
+        user_uuid=ctx.user.uuid,
         passphrase=token,
         expiry=expiry,
         token_type="device addition",
+        ctx=ctx,
     )
     url = hostutil.reset_link_url(token)
     return {
diff --git a/paskia/fastapi/ws.py b/paskia/fastapi/ws.py
index deb8e3d..02a398a 100644
--- a/paskia/fastapi/ws.py
+++ b/paskia/fastapi/ws.py
@@ -1,7 +1,7 @@
 from fastapi import FastAPI, WebSocket
 
 from paskia import db
-from paskia.authsession import expires, get_reset, get_session
+from paskia.authsession import expires, get_reset
 from paskia.fastapi import authz, remote
 from paskia.fastapi.session import AUTH_COOKIE, infodict
 from paskia.fastapi.wschat import authenticate_chat, register_chat
@@ -91,12 +91,10 @@ async def websocket_authenticate(ws: WebSocket, auth=AUTH_COOKIE):
     session_user_uuid = None
     credential_ids = None
     if auth:
-        try:
-            session = await get_session(auth, host=host)
-            session_user_uuid = session.user
+        ctx = db.get_session_context(auth, host)
+        if ctx:
+            session_user_uuid = ctx.user.uuid
             credential_ids = db.get_user_credential_ids(session_user_uuid) or None
-        except ValueError:
-            pass  # Invalid/expired session - allow normal authentication
 
     cred = await authenticate_chat(ws, origin, credential_ids)
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 8094205..8edc395 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -28,9 +28,9 @@ from paskia.db import (
     Permission,
     Role,
     User,
-    add_permission_to_organization,
+    add_permission_to_org,
     create_credential,
-    create_organization,
+    create_org,
     create_permission,
     create_reset_token,
     create_role,
@@ -86,9 +86,9 @@ async def passkey_instance() -> Passkey:
 async def test_org(test_db: DB, admin_permission: Permission) -> Org:
     """Create a test organization with admin permission."""
     org = Org.create(display_name="Test Organization")
-    create_organization(org)
+    create_org(org)
     # Grant admin permission to this org
-    add_permission_to_organization(org.uuid, admin_permission.uuid)
+    add_permission_to_org(org.uuid, admin_permission.uuid)
     return org
 
 
@@ -106,7 +106,7 @@ async def org_admin_permission(test_db: DB, test_org: Org) -> Permission:
     perm = Permission.create(scope="auth:org:admin", display_name="Organization Admin")
     create_permission(perm)
     # Make it grantable by the org
-    add_permission_to_organization(test_org.uuid, perm.uuid)
+    add_permission_to_org(test_org.uuid, perm.uuid)
     return perm
 
 
diff --git a/tests/test_admin.py b/tests/test_admin.py
index b1e7fe2..f89ccd4 100644
--- a/tests/test_admin.py
+++ b/tests/test_admin.py
@@ -28,9 +28,9 @@ from paskia.db import (
     Permission,
     Role,
     User,
-    add_permission_to_organization,
+    add_permission_to_org,
     create_credential,
-    create_organization,
+    create_org,
     create_permission,
     create_role,
     create_session,
@@ -48,7 +48,7 @@ async def second_org(test_db: DB) -> Org:
     org = Org.create(
         display_name="Second Organization",
     )
-    create_organization(org)
+    create_org(org)
     return org
 
 
@@ -176,7 +176,7 @@ async def grantable_permission(test_db: DB, test_org: Org) -> Permission:
     perm = Permission.create(scope="test:grantable:perm", display_name="Grantable Perm")
     create_permission(perm)
     # Add to org's grantable permissions
-    add_permission_to_organization(test_org.uuid, perm.uuid)
+    add_permission_to_org(test_org.uuid, perm.uuid)
     return perm
 
 
@@ -369,10 +369,13 @@ class TestAdminOrganizations:
     ):
         """Org admin cannot remove their org admin permission from org's permissions."""
         # The auth:org:admin perm is already created and added by org_admin_permission fixture
+        org_admin_perm = next(
+            p for p in db.data().permissions.values() if p.scope == "auth:org:admin"
+        )
 
         # Try to remove org admin perm (this is validated server-side in the remove endpoint)
         response = await client.delete(
-            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_id=auth:org:admin",
+            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_uuid={org_admin_perm.uuid}",
             headers={**auth_headers(org_admin_session_token), "Host": "localhost:4401"},
         )
         # This should fail because only global admin can remove perms from org
@@ -403,7 +406,7 @@ class TestAdminOrganizations:
         org_to_delete = Org.create(
             display_name="Org To Delete",
         )
-        create_organization(org_to_delete)
+        create_org(org_to_delete)
 
         # Create some org-specific permissions to test cleanup
         org_perm = Permission.create(
@@ -433,15 +436,12 @@ class TestAdminOrgPermissions:
     ):
         """Admin should be able to add a permission to an org."""
         # First create a permission
-        await client.post(
-            "/auth/api/admin/permissions",
-            json={"scope": "test:org:addable", "display_name": "Addable"},
-            headers={**auth_headers(session_token), "Host": "localhost:4401"},
-        )
+        perm = Permission.create(scope="test:org:addable", display_name="Addable")
+        create_permission(perm)
 
         # Add it to the org
         response = await client.post(
-            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_id=test:org:addable",
+            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_uuid={perm.uuid}",
             headers={**auth_headers(session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 200
@@ -456,8 +456,11 @@ class TestAdminOrgPermissions:
         test_org,
     ):
         """Org admin cannot add permissions to org (requires global admin)."""
+        admin_perm = next(
+            p for p in db.data().permissions.values() if p.scope == "auth:admin"
+        )
         response = await client.post(
-            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_id=auth:admin",
+            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_uuid={admin_perm.uuid}",
             headers={**auth_headers(org_admin_session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 403
@@ -468,19 +471,16 @@ class TestAdminOrgPermissions:
     ):
         """Admin should be able to remove a permission from an org."""
         # First create and add a permission
+        perm = Permission.create(scope="test:org:removable", display_name="Removable")
+        create_permission(perm)
         await client.post(
-            "/auth/api/admin/permissions",
-            json={"scope": "test:org:removable", "display_name": "Removable"},
-            headers={**auth_headers(session_token), "Host": "localhost:4401"},
-        )
-        await client.post(
-            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_id=test:org:removable",
+            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_uuid={perm.uuid}",
             headers={**auth_headers(session_token), "Host": "localhost:4401"},
         )
 
         # Remove it
         response = await client.delete(
-            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_id=test:org:removable",
+            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_uuid={perm.uuid}",
             headers={**auth_headers(session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 200
@@ -495,8 +495,11 @@ class TestAdminOrgPermissions:
         test_org,
     ):
         """Org admin cannot remove permissions from org (requires global admin)."""
+        admin_perm = next(
+            p for p in db.data().permissions.values() if p.scope == "auth:admin"
+        )
         response = await client.delete(
-            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_id=auth:admin",
+            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_uuid={admin_perm.uuid}",
             headers={**auth_headers(org_admin_session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 403
@@ -1385,51 +1388,32 @@ class TestAdminPermissions:
         assert "display_name is required" in data["detail"]
 
     @pytest.mark.asyncio
-    async def test_rename_permission(
+    async def test_update_permission_scope(
         self, client: httpx.AsyncClient, session_token: str, test_db: DB
     ):
-        """Admin should be able to rename a permission."""
+        """Admin should be able to update a permission's scope via PATCH."""
         # Create permission first
         perm = Permission.create(scope="test:renameable2", display_name="Renameable")
         create_permission(perm)
 
-        response = await client.post(
-            f"/auth/api/admin/permission/rename?permission_uuid={perm.uuid}",
-            json={"new_scope": "test:renamed2"},
+        response = await client.patch(
+            f"/auth/api/admin/permission?permission_uuid={perm.uuid}&scope=test:renamed2",
             headers={**auth_headers(session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 200
 
     @pytest.mark.asyncio
-    async def test_rename_permission_missing_ids(
+    async def test_update_permission_auth_admin_scope_fails(
         self, client: httpx.AsyncClient, session_token: str
     ):
-        """Renaming permission without IDs should fail."""
-        response = await client.post(
-            "/auth/api/admin/permission/rename",
-            json={},
-            headers={**auth_headers(session_token), "Host": "localhost:4401"},
-        )
-        assert response.status_code == 422
-        data = response.json()
-        assert any(
-            "required" in str(error) or "Field required" in str(error)
-            for error in data["detail"]
-        )
-
-    @pytest.mark.asyncio
-    async def test_rename_permission_auth_admin_fails(
-        self, client: httpx.AsyncClient, session_token: str
-    ):
-        """Cannot rename the auth:admin permission."""
+        """Cannot change the auth:admin permission scope."""
         # Get the auth:admin permission
 
         perms = list(db.data().permissions.values())
         admin_perm = next(p for p in perms if p.scope == "auth:admin")
 
-        response = await client.post(
-            f"/auth/api/admin/permission/rename?permission_uuid={admin_perm.uuid}",
-            json={"new_scope": "auth:superadmin"},
+        response = await client.patch(
+            f"/auth/api/admin/permission?permission_uuid={admin_perm.uuid}&scope=auth:superadmin",
             headers={**auth_headers(session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 400
@@ -1437,19 +1421,15 @@ class TestAdminPermissions:
         assert "Cannot rename the master admin" in data["detail"]
 
     @pytest.mark.asyncio
-    async def test_rename_permission_with_display_name(
+    async def test_update_permission_scope_and_display_name(
         self, client: httpx.AsyncClient, session_token: str, test_db: DB
     ):
-        """Renaming permission can also update display name."""
+        """Updating permission can change scope and display name together."""
         perm = Permission.create(scope="test:rename:withname", display_name="Old Name")
         create_permission(perm)
 
-        response = await client.post(
-            f"/auth/api/admin/permission/rename?permission_uuid={perm.uuid}",
-            json={
-                "new_scope": "test:renamed:withname",
-                "display_name": "New Display Name",
-            },
+        response = await client.patch(
+            f"/auth/api/admin/permission?permission_uuid={perm.uuid}&scope=test:renamed:withname&display_name=New%20Display%20Name",
             headers={**auth_headers(session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 200
@@ -1549,8 +1529,11 @@ class TestAdminPermissions:
         self, client: httpx.AsyncClient, session_token: str, test_org
     ):
         """Cannot remove auth:admin permission from your own organization."""
+        admin_perm = next(
+            p for p in db.data().permissions.values() if p.scope == "auth:admin"
+        )
         response = await client.delete(
-            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_id=auth:admin",
+            f"/auth/api/admin/orgs/{test_org.uuid}/permission?permission_uuid={admin_perm.uuid}",
             headers={**auth_headers(session_token), "Host": "localhost:4401"},
         )
         assert response.status_code == 400
diff --git a/tests/test_api.py b/tests/test_api.py
index b18632b..9d14ad7 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -444,7 +444,7 @@ class TestSetSessionErrors:
     async def test_set_session_with_invalid_bearer_token(
         self, client: httpx.AsyncClient
     ):
-        """Set session with invalid (malformed) bearer token should return 400."""
+        """Set session with invalid (malformed) bearer token should return 401."""
         response = await client.post(
             "/auth/api/set-session",
             headers={
@@ -452,8 +452,8 @@ class TestSetSessionErrors:
                 "Host": "localhost:4401",
             },
         )
-        # Invalid token format returns 400
-        assert response.status_code == 400
+        # Invalid token returns 401 (session not found)
+        assert response.status_code == 401
 
     @pytest.mark.asyncio
     async def test_set_session_with_nonexistent_token(self, client: httpx.AsyncClient):
@@ -467,8 +467,8 @@ class TestSetSessionErrors:
                 "Host": "localhost:4401",
             },
         )
-        # Non-existent session returns 400 (ValueError -> 400)
-        assert response.status_code == 400
+        # Non-existent session returns 401 (session expired)
+        assert response.status_code == 401
 
 
 class TestValidateSessionRefresh: