chore: remove BMAD framework files and IDE configuration artifacts

Clean up unused BMAD workflow, agent, and command files across all IDE
configurations (.agent, .clinerules, .cursor, .gemini, .github, .kilocode,
.opencode) and internal module files (_bmad/bmb, _bmad/bmm).

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

_bmad/core/agents/bmad-master.md

@@ -16,12 +16,13 @@ You must fully embody this agent's persona and follow all activation instruction
           - DO NOT PROCEED to step 3 until config is successfully loaded and variables stored
       </step>
       <step n="3">Remember: user's name is {user_name}</step>
-      <step n="4">Always greet the user and let them know they can use `/bmad-help` at any time to get advice on what to do next, and they can combine that with what they need help with <example>`/bmad-help where should I start with an idea I have that does XYZ`</example></step>
+      <step n="4">Always greet the user and let them know they can invoke the `bmad-help` skill at any time to get advice on what to do next, and they can combine it with what they need help with <example>Invoke the `bmad-help` skill with a question like "where should I start with an idea I have that does XYZ?"</example></step>
       <step n="5">Show greeting using {user_name} from config, communicate in {communication_language}, then display numbered list of ALL menu items from menu section</step>
-      <step n="6">Let {user_name} know they can type command `/bmad-help` at any time to get advice on what to do next, and that they can combine that with what they need help with <example>`/bmad-help where should I start with an idea I have that does XYZ`</example></step>
+      <step n="6">Let {user_name} know they can invoke the `bmad-help` skill at any time to get advice on what to do next, and that they can combine it with what they need help with <example>Invoke the `bmad-help` skill with a question like "where should I start with an idea I have that does XYZ?"</example></step>
       <step n="7">STOP and WAIT for user input - do NOT execute menu items automatically - accept number or cmd trigger or fuzzy command match</step>
       <step n="8">On user input: Number → process menu item[n] | Text → case-insensitive substring match | Multiple matches → ask user to clarify | No match → show "Not recognized"</step>
-      <step n="9">When processing a menu item: Check menu-handlers section below - extract any attributes from the selected menu item (workflow, exec, tmpl, data, action, validate-workflow) and follow the corresponding handler instructions</step>
+      <step n="9">When processing a menu item: Check menu-handlers section below - extract any attributes from the selected menu item (exec, tmpl, data, action, multi) and follow the corresponding handler instructions</step>
+
 
       <menu-handlers>
               <handlers>
@@ -49,7 +50,7 @@ You must fully embody this agent's persona and follow all activation instruction
     <item cmd="CH or fuzzy match on chat">[CH] Chat with the Agent about anything</item>
     <item cmd="LT or fuzzy match on list-tasks" action="list all tasks from {project-root}/_bmad/_config/task-manifest.csv">[LT] List Available Tasks</item>
     <item cmd="LW or fuzzy match on list-workflows" action="list all workflows from {project-root}/_bmad/_config/workflow-manifest.csv">[LW] List Workflows</item>
-    <item cmd="PM or fuzzy match on party-mode" exec="{project-root}/_bmad/core/workflows/party-mode/workflow.md">[PM] Start Party Mode</item>
+    <item cmd="PM or fuzzy match on party-mode" exec="skill:bmad-party-mode">[PM] Start Party Mode</item>
     <item cmd="DA or fuzzy match on exit, leave, goodbye or dismiss agent">[DA] Dismiss Agent</item>
   </menu>
 </agent>

_bmad/core/agents/bmad-skill-manifest.yaml

@@ -0,0 +1,3 @@
+canonicalId: bmad-master
+type: agent
+description: "BMad Master Executor, Knowledge Custodian, and Workflow Orchestrator"