Revert popup_config type to Object to support custom popups

Co-authored-by: TECH7Fox <32220029+TECH7Fox@users.noreply.github.com>

Author: Copilot

src/sip-core.ts

@@ -68,7 +68,7 @@ export interface SIPCoreConfig {
     /** Output configuration */
     out: String;
     auto_answer: boolean;
-    popup_config: PopupConfig | null;
+    popup_config: Object | null;
     popup_override_component: string | null;
     /**
      * Whether to use video in SIP calls.
@@ -553,11 +553,14 @@ export class SIPCore {
                     let shouldAutoAnswer = this.config.auto_answer; // Default to global setting
 
                     // Check if there's an extension-specific auto_answer setting
-                    if (this.config.popup_config?.extensions?.[callerExtension]) {
-                        const extensionConfig = this.config.popup_config.extensions[callerExtension];
-                        if (typeof extensionConfig.auto_answer === 'boolean') {
-                            shouldAutoAnswer = extensionConfig.auto_answer;
-                            console.info(`Using extension-specific auto_answer for ${callerExtension}: ${shouldAutoAnswer}`);
+                    if (this.config.popup_config && typeof this.config.popup_config === 'object') {
+                        const popupConfig = this.config.popup_config as any;
+                        if (popupConfig.extensions?.[callerExtension]) {
+                            const extensionConfig = popupConfig.extensions[callerExtension];
+                            if (typeof extensionConfig.auto_answer === 'boolean') {
+                                shouldAutoAnswer = extensionConfig.auto_answer;
+                                console.info(`Using extension-specific auto_answer for ${callerExtension}: ${shouldAutoAnswer}`);
+                            }
                         }
                     }