Add Kiro IDE support (.kiro/) (#548)

Co-authored-by: Sungmin Hong <hsungmin@amazon.com>

.kiro/steering/research-mode.md

@@ -0,0 +1,62 @@
+---
+inclusion: manual
+description: Research mode context for exploring technologies, architectures, and design decisions
+---
+
+# Research Mode
+
+Use this context when researching technologies, evaluating options, or making architectural decisions.
+
+## Research Process
+
+1. Define the problem or question clearly
+2. Identify evaluation criteria
+3. Research available options
+4. Compare options against criteria
+5. Document findings and recommendations
+6. Consider trade-offs and constraints
+
+## Evaluation Criteria
+
+### Technical Fit
+- Does it solve the problem effectively?
+- Is it compatible with existing stack?
+- What are the technical constraints?
+
+### Maturity & Support
+- Is the technology mature and stable?
+- Is there active community support?
+- Is documentation comprehensive?
+- Are there known issues or limitations?
+
+### Performance & Scalability
+- What are the performance characteristics?
+- How does it scale?
+- What are the resource requirements?
+
+### Developer Experience
+- Is it easy to learn and use?
+- Are there good tooling and IDE support?
+- What's the debugging experience like?
+
+### Long-term Viability
+- Is the project actively maintained?
+- What's the adoption trend?
+- Are there migration paths if needed?
+
+### Cost & Licensing
+- What are the licensing terms?
+- What are the operational costs?
+- Are there vendor lock-in concerns?
+
+## Documentation
+
+- Document decision rationale
+- List pros and cons of each option
+- Include relevant benchmarks or comparisons
+- Note any assumptions or constraints
+- Provide recommendations with justification
+
+## Invocation
+
+Use `#research-mode` to activate this context when researching or evaluating options.