fix(agents): invoke native skills via skill refs

src/bmm/agents/analyst.agent.yaml

@@ -18,7 +18,7 @@ agent:
 
   menu:
     - trigger: BP or fuzzy match on brainstorm-project
-      exec: "{project-root}/_bmad/core/workflows/bmad-brainstorming/workflow.md"
+      exec: "skill:bmad-brainstorming"
       data: "{project-root}/_bmad/bmm/data/project-context-template.md"
       description: "[BP] Brainstorm Project: Expert Guided Facilitation through a single or multiple techniques with a final report"
 

tools/cli/lib/agent/compiler.js

@@ -157,7 +157,7 @@ function buildMenuXml(menuItems) {
     }
   }
 
-  xml += `    <item cmd="PM or fuzzy match on party-mode" exec="{project-root}/_bmad/core/workflows/bmad-party-mode/workflow.md">[PM] Start Party Mode</item>\n`;
+  xml += `    <item cmd="PM or fuzzy match on party-mode" exec="skill:bmad-party-mode">[PM] Start Party Mode</item>\n`;
   xml += `    <item cmd="DA or fuzzy match on exit, leave, goodbye or dismiss agent">[DA] Dismiss Agent</item>\n`;
 
   xml += '  </menu>\n';