Initial commit: BMAD framework + Story 1.1 Component Trait Definition

Features:
- BMAD (Build Modular AI-driven Development) framework setup
- BMM, BMB, CIS, Core modules configured
- Story 1.1: Component trait with error handling
- Workspace Cargo.toml with components crate
- 31 tests passing (19 unit + 12 doc tests)

Technical:
- Component trait with compute_residuals, jacobian_entries, n_equations
- ComponentError enum with thiserror
- JacobianBuilder for sparse matrix construction
- Object-safe trait supporting Box<dyn Component>
- Comprehensive documentation and examples

_bmad/bmm/workflows/1-analysis/research/research.template.md

@@ -0,0 +1,29 @@
+---
+stepsCompleted: []
+inputDocuments: []
+workflowType: 'research'
+lastStep: 1
+research_type: '{{research_type}}'
+research_topic: '{{research_topic}}'
+research_goals: '{{research_goals}}'
+user_name: '{{user_name}}'
+date: '{{date}}'
+web_research_enabled: true
+source_verification: true
+---
+
+# Research Report: {{research_type}}
+
+**Date:** {{date}}
+**Author:** {{user_name}}
+**Research Type:** {{research_type}}
+
+---
+
+## Research Overview
+
+[Research overview and methodology will be appended here]
+
+---
+
+<!-- Content will be appended sequentially through research workflow steps -->