Add developer experience improvements

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Create a report to help us improve
+title: '[BUG] '
+labels: bug
+assignees: ''
+---
+
+## Describe the bug
+A clear and concise description of what the bug is.
+
+## To Reproduce
+Steps to reproduce the behavior:
+1. Run '...'
+2. Use tool '...'
+3. See error
+
+## Expected behavior
+A clear and concise description of what you expected to happen.
+
+## Actual behavior
+What actually happened.
+
+## Error output
+```
+Paste any error messages or stack traces here
+```
+
+## Environment
+- **OS**: [e.g., Ubuntu 22.04, macOS 14.0, Windows 11]
+- **Rust version**: [e.g., 1.80.0]
+- **Selfware version**: [e.g., 0.1.0]
+- **Installation method**: [e.g., cargo install, built from source]
+
+## Additional context
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for selfware
+title: '[FEATURE] '
+labels: enhancement
+assignees: ''
+---
+
+## Is your feature request related to a problem?
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+## Describe the solution you'd like
+A clear and concise description of what you want to happen.
+
+## Describe alternatives you've considered
+A clear and concise description of any alternative solutions or features you've considered.
+
+## Use case
+Describe how this feature would be used in practice.
+
+## Additional context
+Add any other context, mockups, or examples about the feature request here.

.github/pull_request_template.md

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+## Summary
+
+Brief description of the changes in this PR.
+
+## Changes
+
+- [ ] Change 1
+- [ ] Change 2
+- [ ] Change 3
+
+## Type of change
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Refactoring (no functional changes)
+- [ ] Performance improvement
+- [ ] Test coverage improvement
+
+## Testing
+
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] I have run `cargo test --all-features`
+- [ ] I have run `cargo clippy --all-features`
+
+## Checklist
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] Any dependent changes have been merged and published
+
+## Related Issues
+
+Fixes #(issue number)

.pre-commit-config.yaml

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+# Pre-commit hooks for selfware
+# Install: pip install pre-commit && pre-commit install
+
+repos:
+  - repo: local
+    hooks:
+      - id: cargo-fmt
+        name: cargo fmt
+        entry: cargo fmt -- --check
+        language: system
+        types: [rust]
+        pass_filenames: false
+
+      - id: cargo-clippy
+        name: cargo clippy
+        entry: cargo clippy --all-targets --all-features -- -D warnings
+        language: system
+        types: [rust]
+        pass_filenames: false
+
+      - id: cargo-test
+        name: cargo test
+        entry: cargo test --all-features
+        language: system
+        types: [rust]
+        pass_filenames: false
+        stages: [push]
+
+      - id: cargo-check
+        name: cargo check
+        entry: cargo check --all-features
+        language: system
+        types: [rust]
+        pass_filenames: false
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-toml
+      - id: check-merge-conflict
+      - id: check-added-large-files
+        args: ['--maxkb=500']