Add-template

.github/PULL_REQUEST_TEMPLATE/bug_fix.md

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+---
+name: "Bug Fix"
+about: "Fix a bug with clear reproduction, scope, and tests"
+title: "[BUG FIX] "
+labels: ["bug"]
+
+---
+
+## Summary
+- What bug is fixed and what parts of the codebase are impacted?
+
+## Root Cause
+- Briefly describe the underlying issue.
+
+## Changes
+- Highlight the notable code-level modifications.
+
+## Reproduction
+- Provide steps or a minimal snippet that reproduces the original bug.
+
+## Tests
+- List the tests you added or ran and their results.
+
+## Compatibility
+- Note any migration concerns or backwards compatibility considerations.
+
+## Checklist
+- [ ] Linked issue provided
+- [ ] Adds or updates tests
+- [ ] Updates docs if needed
+- [ ] No perf regressions

.github/PULL_REQUEST_TEMPLATE/feature_support.md

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+---
+name: "Feature Support"
+about: "Add a new feature with clear scope and tests"
+title: "[FEATURE] "
+labels: ["feature"]
+
+---
+
+## Summary
+- What feature is being added and why?
+
+## Design
+- Outline the design or architecture and mention alternatives considered.
+
+## Changes
+- Describe new or changed public APIs, configuration, or CLI behaviour.
+
+## Implementation Notes
+- Highlight tricky parts or noteworthy implementation details.
+
+## Tests
+- List unit or integration tests you added or updated and how you validated them.
+
+## Documentation
+- Mention doc updates or examples that accompany this feature.
+
+## Checklist
+- [ ] Linked issue provided
+- [ ] API stabilized
+- [ ] Tests added or updated
+- [ ] Docs added or updated
+- [ ] No known performance regressions

.github/PULL_REQUEST_TEMPLATE/performance_optimization.md

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+---
+name: "Performance Optimization"
+about: "Optimize performance with benchmark evidence"
+title: "[PERFORMANCE OPTIMIZATION] "
+labels: ["performance"]
+
+---
+
+## Summary
+- What is optimized and why?
+
+## Baseline metrics
+- Provide the current performance numbers and environment.
+
+## Approach
+- Describe the optimization techniques used.
+
+## Results
+- Share before/after benchmarks and how to reproduce them.
+
+## Impact
+- Note memory, throughput trade-offs, or hardware-specific considerations.
+
+## Risks
+- Highlight edge cases, correctness risks, or gating tests added.
+
+## Checklist
+- [ ] Linked issue provided
+- [ ] Benchmarks included and reproducible
+- [ ] No accuracy regression
+- [ ] Docs updated where needed