fix: region extract from konnect control plane endpoint (#10093)

(cherry picked from commit 0cc0295207)

packages/insomnia/src/konnect/__tests__/transform.test.ts

@@ -34,6 +34,14 @@ describe('extractRegionFromEndpoint', () => {
     expect(extractRegionFromEndpoint('https://def456.in.cp0.konghq.com')).toBe('in');
   });
 
+  it('extracts "eu" from a EU control plane endpoint with bare "cp" subdomain', () => {
+    expect(extractRegionFromEndpoint('https://xyz789.eu.cp.konghq.com')).toBe('eu');
+  });
+
+  it('extracts "us" from a US control plane endpoint with bare "cp" subdomain', () => {
+    expect(extractRegionFromEndpoint('https://abc123.us.cp.konghq.com')).toBe('us');
+  });
+
   it('defaults to "us" for a malformed URL', () => {
     expect(extractRegionFromEndpoint('not-a-url')).toBe('us');
   });

packages/insomnia/src/konnect/transform.ts

@@ -57,15 +57,17 @@ export function sanitizeRoute(route: KonnectRoute): KonnectRoute {
 /**
  * Derives the Konnect region string from a control plane endpoint URL.
  * e.g. "https://abc123.us.cp0.konghq.com" → "us"
+ * e.g. "https://abc123.eu.cp.konghq.com" → "eu"
+ * e.g. "https://abc123.sg.cp.konghq.com" → "sg"
  * Falls back to "us" for unrecognised or malformed values.
  */
 export function extractRegionFromEndpoint(endpoint: string): string {
   try {
     const hostname = new URL(endpoint).hostname;
     const parts = hostname.split('.');
-    // Pattern: <id>.<region>.cp0.konghq.com
+    // Pattern: <id>.<region>.cp[N].konghq.com  (e.g. cp0, cp, cp1)
     if (parts.length >= 4 && parts[parts.length - 2] === 'konghq' && parts[parts.length - 1] === 'com') {
-      if (parts[parts.length - 3] === 'cp0') {
+      if (/^cp\d*$/.test(parts[parts.length - 3])) {
         return parts[parts.length - 4];
       }
       console.warn(`[konnect] Unexpected endpoint hostname format, defaulting region to "us": ${hostname}`);