feature: Added Safe Bulk Record Update with Progress Tracking snippet

Server-Side Components/Background Scripts/Safe Bulk Update with Logging/README.md

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+# Safe Bulk Record Update with Logging
+
+## Overview
+Efficiently update multiple records in batch with error handling, progress tracking, and logging to prevent timeouts and data loss.
+
+## What It Does
+- Updates records in configurable batch sizes
+- Logs progress for monitoring
+- Handles individual record errors without stopping batch
+- Prevents script timeout with batch processing
+- Tracks success/failure counts
+- Logs detailed error information
+
+## Use Cases
+- Bulk data migrations
+- Mass field updates after deployment
+- Scheduled bulk corrections
+- Data cleanup operations
+- Batch status updates across records
+
+## Files
+- `bulk_update_with_progress.js` - Background Script for safe bulk updates
+
+## How to Use
+
+### Option 1: Run as Background Script
+1. Go to **System Diagnostics > Script Background**
+2. Copy code from `bulk_update_with_progress.js`
+3. Modify the table name and query filter
+4. Execute and monitor logs
+
+### Option 2: Create as Scheduled Job
+1. Go to **System Scheduler > Scheduled Jobs**
+2. Create new job with the script code
+3. Schedule for off-peak hours
+4. Logs will be available in System Logs
+
+## Example Usage
+```javascript
+// Customize these variables:
+var TABLE = 'incident';
+var FILTER = "priority=1^state=2"; // Your query condition
+var BATCH_SIZE = 100;
+var FIELD_TO_UPDATE = 'assignment_group'; // Field to update
+var NEW_VALUE = '123456789abc'; // New value
+
+// Run the script - it handles everything else
+```
+
+## Key Features
+- **Batch Processing**: Prevents timeout by processing records in chunks
+- **Error Resilience**: Continues on error, logs details
+- **Progress Tracking**: Logs every N records updated
+- **Flexible**: Works with any table and field
+- **Safe**: Won't crash on individual record failures
+- **Auditable**: Detailed logging of all operations
+
+## Output Examples
+```
+[Bulk Update Started] Processing incidents with filter: priority=1
+[Progress] Updated 100 records successfully (5 errors)
+[Progress] Updated 200 records successfully (8 errors)
+[Bulk Update Complete] Total: 250 | Success: 242 | Errors: 8
+[Failed Records] 7af24b9c: User already has assignment
+[Failed Records] 8bd35c8d: Invalid assignment group
+```
+
+## Performance Notes
+- Batch size of 100 is optimal for most tables
+- Adjust batch size based on available resources
+- Run during maintenance windows for large updates
+- Monitor system logs during execution
+
+## Customization
+```javascript
+// Change batch size for your table size
+var BATCH_SIZE = 50; // For smaller batches
+var BATCH_SIZE = 200; // For larger tables
+
+// Different field update logic
+record.setValue(FIELD_TO_UPDATE, NEW_VALUE);
+// Or use gs.getProperty() for configuration
+```
+
+## Requirements
+- ServiceNow instance
+- Access to Background Scripts or Scheduled Jobs
+- Write access to target table
+- Appropriate table and field permissions
+
+## Related APIs
+- [GlideRecord Query API](https://docs.servicenow.com/bundle/sandiego-application-development/page/app-store/dev_apps/concept/c_UsingGlideRecord.html)
+- [GlideSystem Logging](https://docs.servicenow.com/bundle/sandiego-application-development/page/app-store/dev_apps/concept/c_SystemLog.html)
+- [Best Practices for Bulk Operations](https://docs.servicenow.com/bundle/sandiego-application-development/page/app-store/dev_apps/concept/c_BulkOperations.html)

Server-Side Components/Background Scripts/Safe Bulk Update with Logging/bulk_update_with_progress.js

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+// Background Script: Safe Bulk Record Update with Progress Tracking
+// Purpose: Update multiple records safely with batch processing and error handling
+
+var TABLE = 'incident'; // Change to your table
+var FILTER = "priority=1"; // Add your filter conditions
+var BATCH_SIZE = 100;
+var FIELD_TO_UPDATE = 'state'; // Field to update
+var NEW_VALUE = '1'; // Value to set
+
+var successCount = 0;
+var errorCount = 0;
+var totalProcessed = 0;
+
+gs.log('[Bulk Update Started] Table: ' + TABLE + ' | Filter: ' + FILTER, 'BulkUpdate');
+
+try {
+    var gr = new GlideRecord(TABLE);
+    gr.addEncodedQuery(FILTER);
+    gr.query();
+
+    var recordsToProcess = [];
+    while (gr.next()) {
+        recordsToProcess.push(gr.getUniqueValue());
+
+        // Process in batches to prevent timeout
+        if (recordsToProcess.length === BATCH_SIZE) {
+            processBatch(recordsToProcess);
+            recordsToProcess = [];
+        }
+    }
+
+    // Process remaining records
+    if (recordsToProcess.length > 0) {
+        processBatch(recordsToProcess);
+    }
+
+    gs.log('[Bulk Update Complete] Total: ' + totalProcessed + ' | Success: ' + successCount + ' | Errors: ' + errorCount, 'BulkUpdate');
+
+} catch (e) {
+    gs.error('[Bulk Update Error] ' + e.toString(), 'BulkUpdate');
+}
+
+function processBatch(recordIds) {
+    for (var i = 0; i < recordIds.length; i++) {
+        try {
+            var record = new GlideRecord(TABLE);
+            record.get(recordIds[i]);
+            record.setValue(FIELD_TO_UPDATE, NEW_VALUE);
+            record.update();
+            successCount++;
+        } catch (error) {
+            errorCount++;
+            gs.log('[Failed Record] ' + recordIds[i] + ': ' + error.toString(), 'BulkUpdate');
+        }
+        totalProcessed++;
+    }
+
+    // Log progress
+    gs.log('[Progress] Updated ' + totalProcessed + ' records | Success: ' + successCount + ' | Errors: ' + errorCount, 'BulkUpdate');
+}