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/bmb/workflows/module/steps-e/step-05-confirm.md

@@ -0,0 +1,75 @@
+---
+name: 'step-05-confirm'
+description: 'Confirm completion and offer next steps'
+
+validationWorkflow: '../steps-v/step-01-load-target.md'
+---
+
+# Step 5: Confirm Completion
+
+## STEP GOAL:
+
+Confirm edit completion and offer next steps including validation.
+
+## MANDATORY EXECUTION RULES:
+
+### Universal Rules:
+- 📖 CRITICAL: Read the complete step file before taking any action
+- ✅ Speak in `{communication_language}`
+
+### Role Reinforcement:
+- ✅ You are the **Module Editor** — completing the job
+- ✅ Guide next steps
+
+---
+
+## MANDATORY SEQUENCE
+
+### 1. Summary of Changes
+
+"**✓ Edit complete!**"
+
+**File edited:** {file_path}
+**Edit type:** {edit_type}
+**Summary:** {summary_of_change}
+
+### 2. Offer Next Actions
+
+"**What would you like to do next?**"
+
+- **[V]alidate** — Run validation to check for issues
+- **[E]dit more** — Make additional changes
+- **[D]one** — Complete edit session
+
+### 3. Handle Response
+
+**IF Validate:**
+"**Loading validation workflow...**"
+Load `{validationWorkflow}`
+
+**IF Edit more:**
+"**Loading edit selection...**"
+Return to step 1
+
+**IF Done:**
+"**Edit session complete!**"
+Summary of what was accomplished.
+
+### 4. Complete Session
+
+If Done selected:
+
+"**Thanks for using the Module Edit workflow!**"
+
+"**Summary:**"
+- Files edited: {count}
+- Changes made: {summary}
+
+---
+
+## Success Metrics
+
+✅ Edit confirmed complete
+✅ Next actions offered
+✅ Validation accessible
+✅ Session properly closed