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/_config/manifest.yaml

@@ -1,33 +1,26 @@
 installation:
-  version: 6.0.4
+  version: 6.2.2
   installDate: 2026-02-12T20:59:56.383Z
-  lastUpdated: 2026-03-10T20:47:24.601Z
+  lastUpdated: 2026-03-28T06:44:44.023Z
 modules:
   - name: core
-    version: 6.0.4
+    version: 6.2.2
     installDate: 2026-02-12T20:59:55.888Z
-    lastUpdated: 2026-03-10T20:47:24.101Z
+    lastUpdated: 2026-03-28T06:44:42.403Z
     source: built-in
     npmPackage: null
     repoUrl: null
   - name: bmm
-    version: 6.0.4
+    version: 6.2.2
     installDate: 2026-02-12T20:59:54.514Z
-    lastUpdated: 2026-03-10T20:47:24.101Z
+    lastUpdated: 2026-03-28T06:44:42.403Z
     source: built-in
     npmPackage: null
     repoUrl: null
-  - name: bmb
-    version: 0.1.6
-    installDate: 2026-02-12T20:59:54.421Z
-    lastUpdated: 2026-03-10T20:47:24.336Z
-    source: external
-    npmPackage: bmad-builder
-    repoUrl: https://github.com/bmad-code-org/bmad-builder
   - name: cis
-    version: 0.1.8
+    version: 0.1.9
     installDate: 2026-02-12T20:59:55.869Z
-    lastUpdated: 2026-03-10T20:47:24.601Z
+    lastUpdated: 2026-03-28T06:44:44.023Z
     source: external
     npmPackage: bmad-creative-intelligence-suite
     repoUrl: https://github.com/bmad-code-org/bmad-module-creative-intelligence-suite
@@ -37,5 +30,5 @@ ides:
   - gemini
   - github-copilot
   - antigravity
-  - kilo
   - opencode
+  - claude-code