feat(bmad): initialize comprehensive BMAD system with agents and configurations

Add complete BMAD method implementation including:
- 20+ specialized agents (dev, qa, pm, architect, etc.)
- 50+ reusable tasks for workflow automation
- IDE-specific configurations for Claude, Cursor, Gemini
- Chat modes and rule definitions for various environments
- Web bundles and team configurations
- Documentation and checklists for BMAD processes

This establishes the full BMAD ecosystem for collaborative development workflows.

.claude/commands/bmad-cw/tasks/assemble-kdp-package.md

@@ -0,0 +1,33 @@
+# /assemble-kdp-package Task
+
+When this command is used, execute the following task:
+
+<!-- Powered by BMAD™ Core -->
+
+# ------------------------------------------------------------
+
+# tasks/assemble-kdp-package.md
+
+# ------------------------------------------------------------
+
+---
+
+task:
+id: assemble-kdp-package
+name: Assemble KDP Cover Package
+description: Compile final instructions, assets list, and compliance checklist for Amazon KDP upload.
+persona_default: cover-designer
+inputs:
+
+- cover-brief.md
+- cover-prompts.md
+  steps:
+- Calculate full‑wrap cover dimensions (front, spine, back) using trim size & page count.
+- List required bleed and margin values.
+- Provide layout diagram (ASCII or Mermaid) labeling zones.
+- Insert ISBN placeholder or user‑supplied barcode location.
+- Populate back‑cover content sections (blurb, reviews, author bio).
+- Export combined PDF instructions (design-package.md) with link placeholders for final JPEG/PNG.
+- Execute kdp-cover-ready-checklist; flag any unmet items.
+  output: design-package.md
+  ...