Add issue templates and pull request template

- Bug report template with environment, reproduction steps, and MCP context
- Feature request template with use cases and alternatives
- Documentation improvement template
- PR template with type-of-change checklist, testing verification,
  tool contract impact section, and related issue linking

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Report a bug in REA
+title: "[Bug] "
+labels: ["bug", "triage"]
+assignees: []
+---
+
+## Bug Description
+
+A clear and concise description of what the bug is.
+
+## Steps to Reproduce
+
+1.
+2.
+3.
+
+## Expected Behavior
+
+What you expected to happen.
+
+## Actual Behavior
+
+What actually happened, including any error messages or unexpected output.
+
+## Environment
+
+- REA version (`rea --version` or `npm list @morluto/rea`):
+- Node.js version (`node --version`):
+- macOS version:
+- Hopper Disassembler version:
+- Target binary format (Mach-O, ELF, PE, .hop):
+
+## Additional Context
+
+- MCP client and version (if applicable):
+- Any relevant logs or stack traces:
+- Does the issue reproduce with a different target binary?

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: REA Documentation
+    url: https://github.com/morluto/rea#readme
+    about: Read the README and AGENTS.md for usage guides and configuration details.
+  - name: Question or Discussion
+    url: https://github.com/morluto/rea/discussions
+    about: Please ask questions and start discussions here.

.github/ISSUE_TEMPLATE/documentation.md

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+---
+name: Documentation
+about: Suggest improvements to REA documentation
+title: "[Docs] "
+labels: ["documentation", "triage"]
+assignees: []
+---
+
+## Documentation Area
+
+Which documentation needs improvement? (README, AGENTS.md, API docs, inline JSDoc, skill files)
+
+## Problem
+
+What is unclear, missing, or incorrect in the current documentation?
+
+## Suggested Improvement
+
+Describe the change you would like to see.
+
+## Additional Context
+
+- Link to the relevant documentation file or section:
+- Any examples or references that would help:

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Propose a new feature or enhancement for REA
+title: "[Feature] "
+labels: ["enhancement", "triage"]
+assignees: []
+---
+
+## Problem Statement
+
+What problem does this feature solve? Describe the use case and why existing tools are insufficient.
+
+## Proposed Solution
+
+Describe the feature or enhancement you would like to see. Include:
+
+- Which REA tool(s) this affects (direct, enhanced, or session tools)
+- Expected inputs and outputs
+- How it integrates with the existing MCP workflow
+
+## Alternatives Considered
+
+Any alternative approaches or workarounds you have tried.
+
+## Additional Context
+
+- Relevant Hopper API methods or concepts:
+- Links to related issues or discussions:
+- Would this require changes to the bridge (`bridge/hopper_bridge.py`)?

.github/pull_request_template.md

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+## Description
+
+<!-- What does this change do? Why is it needed? -->
+
+## Type of Change
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Documentation update
+- [ ] Performance improvement
+- [ ] Refactoring (no functional change)
+- [ ] Tool contract change (MCP schema modification)
+
+## Testing Performed
+
+<!-- Describe the testing you have done to verify this change. -->
+
+- [ ] Unit tests added or updated
+- [ ] TypeScript typecheck passes (`npm run typecheck`)
+- [ ] Linting passes (`npm run lint`)
+- [ ] Full test suite passes (`npm test`)
+- [ ] Real Hopper verification performed (`npm run verify:hopper`)
+- [ ] Package verification performed (`npm run verify:package`)
+
+## Tool Contract Impact
+
+<!-- If this PR adds, removes, or modifies MCP tools, list them here. -->
+<!-- The current inventory is 42 tools (31 direct + 8 enhanced + 3 session). -->
+
+## Related Issues
+
+<!-- Link issues this PR closes or relates to. Use "Closes #123" syntax. -->