Add underscore to valid orchestration ID characters

Co-authored-by: TingluoHuang <1750815+TingluoHuang@users.noreply.github.com>

Author: Copilot

__test__/orchestration-id.test.ts

@@ -21,7 +21,7 @@ describe('getUserAgentWithOrchestrationId', () => {
     process.env['ACTIONS_ORCHESTRATION_ID'] = orchestrationId
 
     // Simulate the logic from getUserAgentWithOrchestrationId
-    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9.-]/g, '')
+    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9._-]/g, '')
     const result = `${baseUserAgent} orchestration-id/${sanitized}`
 
     expect(result).toBe(
@@ -34,24 +34,24 @@ describe('getUserAgentWithOrchestrationId', () => {
     const orchestrationId = 'test@orchestration#123!abc$xyz'
 
     // Simulate the logic from getUserAgentWithOrchestrationId
-    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9.-]/g, '')
+    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9._-]/g, '')
     const result = `${baseUserAgent} orchestration-id/${sanitized}`
 
     expect(result).toBe(
       'actions/github-script orchestration-id/testorchestration123abcxyz'
     )
   })
 
-  test('preserves dots and hyphens in orchestration ID', () => {
+  test('preserves dots, hyphens, and underscores in orchestration ID', () => {
     const baseUserAgent = 'actions/github-script'
-    const orchestrationId = 'test.orchestration-123'
+    const orchestrationId = 'test.orchestration-123_abc'
 
     // Simulate the logic from getUserAgentWithOrchestrationId
-    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9.-]/g, '')
+    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9._-]/g, '')
     const result = `${baseUserAgent} orchestration-id/${sanitized}`
 
     expect(result).toBe(
-      'actions/github-script orchestration-id/test.orchestration-123'
+      'actions/github-script orchestration-id/test.orchestration-123_abc'
     )
   })
 
@@ -73,7 +73,7 @@ describe('getUserAgentWithOrchestrationId', () => {
     const orchestrationId = '@#$%^&*()'
 
     // Simulate the logic from getUserAgentWithOrchestrationId
-    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9.-]/g, '')
+    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9._-]/g, '')
     const result = sanitized
       ? `${baseUserAgent} orchestration-id/${sanitized}`
       : baseUserAgent

dist/index.js

@@ -36268,8 +36268,8 @@ function getUserAgentWithOrchestrationId(userAgent) {
     if (!orchestrationId) {
         return userAgent;
     }
-    // Sanitize orchestration ID - only keep alphanumeric, dots, and hyphens
-    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9.-]/g, '');
+    // Sanitize orchestration ID - only keep alphanumeric, dots, hyphens, and underscores
+    const sanitized = orchestrationId.replace(/[^a-zA-Z0-9._-]/g, '');
     if (!sanitized) {
         return userAgent;
     }

src/main.ts

@@ -34,8 +34,8 @@ function getUserAgentWithOrchestrationId(userAgent: string): string {
     return userAgent
   }
 
-  // Sanitize orchestration ID - only keep alphanumeric, dots, and hyphens
-  const sanitized = orchestrationId.replace(/[^a-zA-Z0-9.-]/g, '')
+  // Sanitize orchestration ID - only keep alphanumeric, dots, hyphens, and underscores
+  const sanitized = orchestrationId.replace(/[^a-zA-Z0-9._-]/g, '')
   if (!sanitized) {
     return userAgent
   }