fix(audit): P0-P3 audit fixes — 838 ruff errors → 0, 30 F821 bugs fixed, 118 files changed

- P0: hooks.py 3-tuple fix, trigger_dispatcher Contract, contacts/plugin unregister_actions_by_owner
- P0: 5 test files — check_permission mocks removed, hardcoded DB credential → env var
- P1: attachment_service DmsFile via Contract helper, restore_registry/history_hooks dedup
- P1: mail/plugin restore unregister, mcp_client datetime.now(UTC), saved_views/filters patterns
- P1: ProtectedRoute fail-closed, 13 test assertion fixes (bcrypt, DB-URLs, SECRET_KEYs)
- P2: deprecated notifications → post_system_message (3 files), forgejo Base, report_generator lazy import
- P2: webhooks permissions, deps.py/roles.py plugin perms removed, import_export default
- P2: address/tags/entity_links patterns removed, worker.py Contract-Umgehungen fixed
- P2: 28 frontend TODOs (hardcoded constants, deprecated notification API)
- P3: dead code, duplicates, deprecated imports, private attr, __import__ inline
- P3: 8 frontend TODOs (LucideIcons, inline styles, XSS, i18n)
- ruff: 838 → 0 (612 auto-fix + 246 manual + 27 F821 regression fix)
- F821: 30 → 0 (AutomationDefinition, DmsFile, user_id, Path, Any, String)
- Contract-Umgehungen: 2 neue gefunden (worker.py:169, worker.py:280) und gefixt

app/models/__init__.py

@@ -1,38 +1,37 @@
 """SQLAlchemy models for LeoCRM."""
 
 from app.models.address import Address
-from app.models.bank_account import BankAccount
 from app.models.ai_conversation import AIConversation, AIMessage
 from app.models.attachment import Attachment
 from app.models.audit import AuditLog
 from app.models.auth import ApiToken, PasswordResetToken
+from app.models.backup import Backup
+from app.models.bank_account import BankAccount
+from app.models.consumer_inbox import ConsumerInbox
 from app.models.contact import Contact, ContactPerson
 from app.models.contact_folder import ContactFolder
 from app.models.contact_merge import ContactMergeHistory
-from app.models.entity_permission import EntityPermission
-from app.models.consumer_inbox import ConsumerInbox
-from app.models.outbox_delivery import OutboxDelivery
-from app.models.entity_policy import EntityPolicy
-from app.models.permission_template import PermissionTemplate
-from app.models.permission_delegation import PermissionDelegation
-from app.models.owned_mixin import OwnedMixin
-from app.models.entity_history import EntityHistory
 from app.models.currency import Currency
+from app.models.custom_field_definition import CustomFieldDefinition
+from app.models.entity_history import EntityHistory
+from app.models.entity_permission import EntityPermission
+from app.models.entity_policy import EntityPolicy
 from app.models.group import Group, UserGroup
 from app.models.notification import Notification, NotificationPreference, NotificationType
+from app.models.owned_mixin import OwnedMixin
+from app.models.permission_delegation import PermissionDelegation
+from app.models.permission_template import PermissionTemplate
 from app.models.plugin import Plugin, PluginMigration
 from app.models.role import Role
+from app.models.saved_view import SavedView
 from app.models.sequence import Sequence
 from app.models.session import Session
 from app.models.system_settings import SystemSettings
 from app.models.tax import TaxRate
 from app.models.tenant import Tenant
 from app.models.user import User, UserTenant
-from app.models.backup import Backup
-from app.models.custom_field_definition import CustomFieldDefinition
 from app.models.webhook import Webhook
 from app.models.workflow import Workflow, WorkflowInstance, WorkflowStepHistory
-from app.models.saved_view import SavedView
 
 __all__ = [
     "Tenant",
@@ -79,4 +78,9 @@ __all__ = [
     "SavedView",
 ]
 from app.models.entity_attachment import EntityAttachment  # noqa: F401
-from app.models.workspace import Workspace, WorkspaceModule, WorkspaceUser, WorkspaceWidget  # noqa: F401
+from app.models.workspace import (  # noqa: F401
+    Workspace,
+    WorkspaceModule,
+    WorkspaceUser,
+    WorkspaceWidget,
+)