chore: convert submodules to standard directories for true monorepo structure

vibn-agent-runner/dist/prompts/loader.js

@@ -0,0 +1,30 @@
+"use strict";
+// ---------------------------------------------------------------------------
+// Prompt registry + variable resolver
+//
+// Prompts are template strings stored in this directory, one file per agent.
+// Variables are resolved at call time using {{variable_name}} syntax.
+//
+// Future: swap template strings for .md files with a build-time copy step.
+// ---------------------------------------------------------------------------
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.registerPrompt = registerPrompt;
+exports.resolvePrompt = resolvePrompt;
+exports.hasPrompt = hasPrompt;
+const _prompts = new Map();
+function registerPrompt(id, template) {
+    _prompts.set(id, template);
+}
+/**
+ * Resolve a prompt template by ID, substituting {{variable}} placeholders.
+ * Missing variables are replaced with an empty string.
+ */
+function resolvePrompt(id, variables = {}) {
+    const template = _prompts.get(id);
+    if (!template)
+        throw new Error(`Prompt not found: "${id}"`);
+    return template.replace(/\{\{(\w+)\}\}/g, (_, key) => variables[key] ?? '');
+}
+function hasPrompt(id) {
+    return _prompts.has(id);
+}