chore: include pre-built dist for github install

dist/tools/delegate-task/prompt-builder.d.ts

@@ -0,0 +1,7 @@
+import type { BuildSystemContentInput } from "./types";
+/**
+ * Build the system content to inject into the agent prompt.
+ * Combines skill content, category prompt append, and plan agent system prepend.
+ */
+export declare function buildSystemContent(input: BuildSystemContentInput): string | undefined;
+export declare function buildTaskPrompt(prompt: string, agentName: string | undefined): string;