Initialize project structure with foundational files including .gitignore, README, and specification templates. Establish project constitution outlining core principles for code quality, testing, user experience, and performance. Add initial feature specification for Reference Board Viewer application.

.specify/templates/checklist-template.md

@@ -1,8 +1,8 @@
 # [CHECKLIST TYPE] Checklist: [FEATURE NAME]
 
-**Purpose**: [Brief description of what this checklist covers]
-**Created**: [DATE]
-**Feature**: [Link to spec.md or relevant documentation]
+**Purpose**: [Brief description of what this checklist covers]  
+**Created**: [DATE]  
+**Feature**: [Link to spec.md or relevant documentation]  
 
 **Note**: This checklist is generated by the `/speckit.checklist` command based on feature context and requirements.
 
@@ -20,6 +20,15 @@
   ============================================================================
 -->
 
+## Constitutional Compliance Check
+
+Before proceeding, verify alignment with constitutional principles:
+
+- [ ] **Code Quality (Principle 1):** Design maintains/improves maintainability
+- [ ] **Testing (Principle 2):** ≥80% coverage plan established
+- [ ] **UX Consistency (Principle 3):** User impact documented and positive
+- [ ] **Performance (Principle 4):** Performance budget and complexity analyzed
+
 ## [Category 1]
 
 - [ ] CHK001 First checklist item with clear action
@@ -32,6 +41,16 @@
 - [ ] CHK005 Item with specific criteria
 - [ ] CHK006 Final item in this category
 
+## Pre-Merge Validation
+
+Per constitutional requirements:
+
+- [ ] All tests passing (≥80% coverage maintained)
+- [ ] Linter/type checker passing (zero errors)
+- [ ] Code review approved with principle verification
+- [ ] Documentation updated
+- [ ] Performance benchmarks met (if applicable)
+
 ## Notes
 
 - Check items off as completed: `[x]`