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>

.github/skills/bmad-cis-design-thinking/template.md

@@ -0,0 +1,111 @@
+# Design Thinking Session: {{project_name}}
+
+**Date:** {{date}}
+**Facilitator:** {{user_name}}
+**Design Challenge:** {{design_challenge}}
+
+---
+
+## 🎯 Design Challenge
+
+{{challenge_statement}}
+
+---
+
+## 👥 EMPATHIZE: Understanding Users
+
+### User Insights
+
+{{user_insights}}
+
+### Key Observations
+
+{{key_observations}}
+
+### Empathy Map Summary
+
+{{empathy_map}}
+
+---
+
+## 🎨 DEFINE: Frame the Problem
+
+### Point of View Statement
+
+{{pov_statement}}
+
+### How Might We Questions
+
+{{hmw_questions}}
+
+### Key Insights
+
+{{problem_insights}}
+
+---
+
+## 💡 IDEATE: Generate Solutions
+
+### Selected Methods
+
+{{ideation_methods}}
+
+### Generated Ideas
+
+{{generated_ideas}}
+
+### Top Concepts
+
+{{top_concepts}}
+
+---
+
+## 🛠️ PROTOTYPE: Make Ideas Tangible
+
+### Prototype Approach
+
+{{prototype_approach}}
+
+### Prototype Description
+
+{{prototype_description}}
+
+### Key Features to Test
+
+{{features_to_test}}
+
+---
+
+## ✅ TEST: Validate with Users
+
+### Testing Plan
+
+{{testing_plan}}
+
+### User Feedback
+
+{{user_feedback}}
+
+### Key Learnings
+
+{{key_learnings}}
+
+---
+
+## 🚀 Next Steps
+
+### Refinements Needed
+
+{{refinements}}
+
+### Action Items
+
+{{action_items}}
+
+### Success Metrics
+
+{{success_metrics}}
+
+---
+
+_Generated using BMAD Creative Intelligence Suite - Design Thinking Workflow_