Initial import: shopdb-flask multi-site asset platform

Flask + Vue rewrite of the classic-ASP shopdb, built as a plugin
framework so sister GE Aerospace sites can adopt it. Product version
0.7.0-pre-0.8.0, plugin contract 0.11.0, 966 backend tests.

Key entry points:
- docs/INSTALL-WINDOWS-IIS.md - tested Windows + IIS install runbook
  (own-site and subpath deployment methods)
- docs/PILOT-DEPLOY.md - production pilot: stand up + import + verify
- docs/IMPORT-API.md - schema-agnostic legacy data import contract
- scripts/site_imports/wjf/ - West Jefferson reference import loader
- docs/adr/ - twelve accepted architecture decision records

plugins/geenforce/models/__init__.py

@@ -0,0 +1,45 @@
+"""GE-Enforce plugin models."""
+
+from .manifest import (
+    ManifestScope,
+    ManifestEntry,
+    ManifestEntryPcType,
+    ManifestEntryHostname,
+    ManifestEntryMachineNumber,
+    ManifestInUseCheck,
+    ManifestInUseCheckProcess,
+    ManifestPublishedVersion,
+    ManifestPayload,
+    ManifestEnforcementReport,
+    ManifestEnforcementResult,
+    PcTypeAlias,
+    PHASES,
+    ENTRY_TYPES,
+    REG_TYPES,
+    PAYLOAD_SOURCES,
+    DETECTION_METHODS,
+    APPLY_MODES,
+    INUSE_BEHAVIORS,
+)
+
+__all__ = [
+    'ManifestScope',
+    'ManifestEntry',
+    'ManifestEntryPcType',
+    'ManifestEntryHostname',
+    'ManifestEntryMachineNumber',
+    'ManifestInUseCheck',
+    'ManifestInUseCheckProcess',
+    'ManifestPublishedVersion',
+    'ManifestPayload',
+    'ManifestEnforcementReport',
+    'ManifestEnforcementResult',
+    'PcTypeAlias',
+    'PHASES',
+    'ENTRY_TYPES',
+    'REG_TYPES',
+    'PAYLOAD_SOURCES',
+    'DETECTION_METHODS',
+    'APPLY_MODES',
+    'INUSE_BEHAVIORS',
+]