Fix network device description/machinenotes display and edit

- Fix ADO cursor issue where reading rs("description") twice caused
  empty values (IsNull check consumed the field value)
- Change all device pages to read description field once using
  `description = rs("description") & ""` pattern
- Add deviceDescription variable in displaydevice.asp
- Fix machinetypeid mapping: IDF=17, Camera=18 (was swapped)
- Add model dropdown fix to include currently assigned model
- Add server application tracking feature
- Various other improvements and fixes

Files affected:
- displaydevice.asp, displaylocationdevice.asp
- deviceaccesspoint.asp, deviceserver.asp, deviceswitch.asp
- devicecamera.asp, deviceidf.asp
- savenetworkdevice.asp, networkdevices.asp

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

shopfloor-dashboard/index.html

@@ -725,27 +725,30 @@
             return urlParams.get('businessunit') || '';
         }
 
-        // Calculate fiscal week (GE fiscal year starts first Monday of January)
+        // Calculate ISO week number
+        // ISO week 1 is the week containing the first Thursday of the year (or Jan 4th)
+        // Weeks start on Monday
         function getFiscalWeek() {
             const today = new Date();
-            const year = today.getFullYear();
 
-            // Find first Monday of current year
-            let jan1 = new Date(year, 0, 1);
-            let dayOfWeek = jan1.getDay(); // 0=Sunday, 1=Monday, etc.
-            let daysToMonday = (dayOfWeek === 0) ? 1 : (dayOfWeek === 1) ? 0 : (8 - dayOfWeek);
-            let firstMonday = new Date(year, 0, 1 + daysToMonday);
+            // Find Thursday of current week (ISO weeks are identified by their Thursday)
+            const dayOfWeek = (today.getDay() + 6) % 7; // 0=Monday, 6=Sunday
+            const thursday = new Date(today);
+            thursday.setDate(today.getDate() - dayOfWeek + 3);
 
-            // If we're before the first Monday, use previous year
-            if (today < firstMonday) {
-                let prevJan1 = new Date(year - 1, 0, 1);
-                let prevDayOfWeek = prevJan1.getDay();
-                let prevDaysToMonday = (prevDayOfWeek === 0) ? 1 : (prevDayOfWeek === 1) ? 0 : (8 - prevDayOfWeek);
-                firstMonday = new Date(year - 1, 0, 1 + prevDaysToMonday);
-            }
+            // The year of the Thursday determines the ISO year
+            const isoYear = thursday.getFullYear();
 
-            // Calculate days from first Monday
-            const diffTime = today - firstMonday;
+            // Find January 4th of that year (always in week 1)
+            const jan4 = new Date(isoYear, 0, 4);
+
+            // Find Monday of the week containing Jan 4 (start of week 1)
+            const jan4DayOfWeek = (jan4.getDay() + 6) % 7;
+            const week1Start = new Date(jan4);
+            week1Start.setDate(jan4.getDate() - jan4DayOfWeek);
+
+            // Calculate week number
+            const diffTime = today - week1Start;
             const diffDays = Math.floor(diffTime / (1000 * 60 * 60 * 24));
             const fiscalWeek = Math.floor(diffDays / 7) + 1;