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

scripts/migration/fix_legacy_schema.sql

@@ -0,0 +1,88 @@
+-- =============================================================================
+-- Legacy Schema Migration Script
+-- Adds missing columns to make VBScript ShopDB compatible with Flask ShopDB
+-- =============================================================================
+
+-- -----------------------------------------------------------------------------
+-- appowners table
+-- -----------------------------------------------------------------------------
+ALTER TABLE appowners
+  ADD COLUMN IF NOT EXISTS email VARCHAR(100) NULL,
+  ADD COLUMN IF NOT EXISTS phone VARCHAR(50) NULL,
+  ADD COLUMN IF NOT EXISTS createddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS modifieddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS isactive TINYINT(1) DEFAULT 1;
+
+-- -----------------------------------------------------------------------------
+-- pctypes / computertypes alignment
+-- -----------------------------------------------------------------------------
+-- The Flask app uses pctype table but expects certain columns
+ALTER TABLE pctype
+  ADD COLUMN IF NOT EXISTS createddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS modifieddate DATETIME DEFAULT NOW();
+
+-- Ensure isactive is correct type
+ALTER TABLE pctype MODIFY COLUMN isactive TINYINT(1) DEFAULT 1;
+
+-- -----------------------------------------------------------------------------
+-- statuses table (if needed - Flask uses assetstatuses)
+-- -----------------------------------------------------------------------------
+-- assetstatuses already populated earlier
+
+-- -----------------------------------------------------------------------------
+-- subnets table
+-- -----------------------------------------------------------------------------
+ALTER TABLE subnets
+  ADD COLUMN IF NOT EXISTS createddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS modifieddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS isactive TINYINT(1) DEFAULT 1;
+
+-- -----------------------------------------------------------------------------
+-- vlans table
+-- -----------------------------------------------------------------------------
+ALTER TABLE vlans
+  ADD COLUMN IF NOT EXISTS createddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS modifieddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS isactive TINYINT(1) DEFAULT 1;
+
+-- -----------------------------------------------------------------------------
+-- usbdevices table
+-- -----------------------------------------------------------------------------
+ALTER TABLE usbdevices
+  ADD COLUMN IF NOT EXISTS createddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS modifieddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS isactive TINYINT(1) DEFAULT 1;
+
+-- -----------------------------------------------------------------------------
+-- usbcheckouts table
+-- -----------------------------------------------------------------------------
+ALTER TABLE usbcheckouts
+  ADD COLUMN IF NOT EXISTS createddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS modifieddate DATETIME DEFAULT NOW();
+
+-- -----------------------------------------------------------------------------
+-- notifications table
+-- -----------------------------------------------------------------------------
+ALTER TABLE notifications
+  ADD COLUMN IF NOT EXISTS createddate DATETIME DEFAULT NOW(),
+  ADD COLUMN IF NOT EXISTS modifieddate DATETIME DEFAULT NOW();
+
+-- Copy dates from existing columns if they exist
+UPDATE notifications SET createddate = startdate WHERE createddate IS NULL;
+UPDATE notifications SET modifieddate = startdate WHERE modifieddate IS NULL;
+
+-- -----------------------------------------------------------------------------
+-- Verify key counts
+-- -----------------------------------------------------------------------------
+SELECT 'Migration complete. Record counts:' as status;
+SELECT 'vendors' as tbl, COUNT(*) as cnt FROM vendors
+UNION ALL SELECT 'models', COUNT(*) FROM models
+UNION ALL SELECT 'machinetypes', COUNT(*) FROM machinetypes
+UNION ALL SELECT 'operatingsystems', COUNT(*) FROM operatingsystems
+UNION ALL SELECT 'businessunits', COUNT(*) FROM businessunits
+UNION ALL SELECT 'applications', COUNT(*) FROM applications
+UNION ALL SELECT 'machines', COUNT(*) FROM machines
+UNION ALL SELECT 'printers', COUNT(*) FROM printers
+UNION ALL SELECT 'assets', COUNT(*) FROM assets
+UNION ALL SELECT 'knowledgebase', COUNT(*) FROM knowledgebase
+UNION ALL SELECT 'notifications', COUNT(*) FROM notifications;