Add displaylocations, location/inspection migrations, UI refinements

- New displaylocations.asp (production location listing)
- 3 new SQL migrations: inspection machine type, location relationship
  types, pctype inspection update
- displaymachine.asp / printbadge.asp substantial rework
- editmachine/editpc/savemachineedit: ~50 line additions each
- Dashboard index.html + tv-dashboard tweaks
- .gitignore: block database-backup-*.sql, *.bak, *.pdf

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

sql/add_inspection_machine_type.sql

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+-- Add Inspection machine type and update 06xx machines
+-- Date: 2026-02-03
+-- Purpose: Create Inspection machine type for 0612-0615 machines so they
+--          appear on displaymachines.asp (previously hidden as LocationOnly)
+
+-- 1. Add Inspection machine type
+INSERT INTO machinetypes (machinetypeid, machinetype) VALUES (47, 'Inspection');
+
+-- 2. Create Inspection model (linked to new type, default vendor WJDT)
+INSERT INTO models (modelnumber, vendorid, machinetypeid, isactive)
+VALUES ('Inspection', 1, 47, 1);
+
+-- 3. Update machines 0612-0615 to use the new Inspection model
+UPDATE machines
+SET modelnumberid = (SELECT modelnumberid FROM models WHERE modelnumber = 'Inspection' AND machinetypeid = 47 LIMIT 1)
+WHERE machinenumber IN ('0612', '0613', '0614', '0615');
+
+-- 4. Enable WJDT vendor in machine edit model dropdown
+UPDATE vendors SET ismachine = 1 WHERE vendorid = 1;

sql/add_location_relationship_types.sql

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+-- Add relationship types for location management (bins, shelves, PC storage)
+-- Run against production MySQL
+
+-- New relationship types
+INSERT INTO relationshiptypes (relationshiptypeid, relationshiptype, description, isactive, displayorder) VALUES
+(7, 'Contains', 'Location contains a sub-location (e.g., Bin contains Shelf)', 1, 7),
+(8, 'Stored At', 'PC or device is stored at this location', 1, 8);
+
+-- Fix DT Office -> GJX9B2Z3ESF from "Controls" to "Stored At"
+-- Verify relationshipid 69 matches on prod before running
+UPDATE machinerelationships SET relationshiptypeid = 8 WHERE relationshipid = 69;
+
+-- Flag IT Closet as a location (machineid=258)
+UPDATE machines SET islocationonly = 1 WHERE machineid = 258;

sql/update_pctype_inspection.sql

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+-- ============================================================================
+-- Update PC Type #10: "Part Marker" → "Inspection"
+-- ============================================================================
+-- Date: 2026-02-05
+-- Description: Rename pctype 10 from "Part Marker" to "Inspection"
+--
+-- Run against: Production shopdb database
+-- ============================================================================
+
+-- Update the pctype record
+UPDATE pctype
+SET typename = 'Inspection',
+    description = 'Inspection system'
+WHERE pctypeid = 10;
+
+-- Verify the change
+SELECT pctypeid, typename, description
+FROM pctype
+WHERE pctypeid = 10;
+
+-- Show all PC types for reference
+SELECT pctypeid, typename, description, displayorder
+FROM pctype
+ORDER BY displayorder;