Initial commit: PESCO NCR system

Complete Non-Conformance Report system replacing the PowerApps/SharePoint
prototype: FastAPI + SQLAlchemy 2 (async) + Alembic + MySQL 8 backend,
React 18 + Vite + TypeScript + MUI frontend, Entra ID auth (MSAL / JWKS,
group-gated), Microsoft Graph delegated Mail.Send notifications (OBO),
six-stage workflow state machine with server-side enforcement, atomic
NCR-YYYY-NNNN numbering, attachments with camera capture, immutable
field-level audit trail, admin reopen, reports + CSV export, WeasyPrint
PDF traveler, Power BI reporting views + read-only DB user, documented
VISUAL ERP job-lookup stub, pytest suite (26 tests), docker-compose
deployment.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

backend/app/models/__init__.py

@@ -0,0 +1,29 @@
+from app.models.base import Base
+from app.models.user import User, UserRole
+from app.models.lookups import Department, DeviationCategory
+from app.models.ncr import (
+    JobInfo,
+    Ncr,
+    NcrSecondaryAssignee,
+    NcrSequence,
+    StageTransition,
+)
+from app.models.attachment import Attachment
+from app.models.audit import AuditLog
+from app.models.app_setting import AppSetting
+
+__all__ = [
+    "Base",
+    "User",
+    "UserRole",
+    "Department",
+    "DeviationCategory",
+    "Ncr",
+    "NcrSequence",
+    "NcrSecondaryAssignee",
+    "StageTransition",
+    "JobInfo",
+    "Attachment",
+    "AuditLog",
+    "AppSetting",
+]