feat(cli): finalize stable footer UX and fix lint/tests

packages/core/src/hooks/hookEventHandler.ts

@@ -302,6 +302,7 @@ export class HookEventHandler {
         coreEvents.emitHookStart({
           hookName: this.getHookName(config),
           eventName,
+          source: config.source,
           hookIndex: index + 1,
           totalHooks: plan.hookConfigs.length,
         });

packages/core/src/utils/events.ts

@@ -88,9 +88,12 @@ export interface HookPayload {
  * Payload for the 'hook-start' event.
  */
 export interface HookStartPayload extends HookPayload {
+  /**
+   * The source of the hook configuration.
+   */
+  source?: string;
   /**
    * The 1-based index of the current hook in the execution sequence.
-   * Used for progress indication (e.g. "Hook 1/3").
    */
   hookIndex?: number;
   /**