test: achieve 72.63% test coverage milestone 🎯

.claude/CLAUDE.md

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+# .claude Directory Rules
+
+## Context Engineering Principles
+
+- WRITE: Use plans/ for persistent task tracking
+- SELECT: Load context/ files based on task requirements
+- COMPRESS: Keep context window <80% utilization
+- ISOLATE: Respect directory boundaries
+
+## Directory Navigation
+
+- Always check for nested CLAUDE.md when entering subdirectories
+- Subdirectory rules override parent rules
+- Load relevant context before ANY operation
+
+## Directory Structure
+
+- **context/**: Domain-specific knowledge and patterns
+- **plans/**: Task planning and tracking with state management
+- **commands/**: Reusable command patterns and workflows
+- **findings/**: Research reports and investigation results (YYYYMMDD_ prefix)
+- **settings.local.json**: MCP server configuration
+
+## Usage
+
+When working in this directory:
+
+1. Check for local CLAUDE.md files in subdirectories
+2. Load appropriate context based on task type
+3. Use plans/ for structured task management
+4. Reference commands/ for common workflows

.claude/commands/CLAUDE.md

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+# Commands Directory Rules
+
+## Overview
+
+The `.claude/commands/` directory enables custom slash commands in Claude Code, allowing you to create reusable prompt templates and workflows that can be shared with your team or kept for personal use.
+
+## How It Works
+
+Claude Code automatically recognizes any Markdown file in your project's `.claude/commands/` directory as a slash command. The filename becomes the command name, making it instantly available through the slash command menu when you type `/`.
+
+## Command Types
+
+### Project Commands (This Directory)
+
+- **prp/**: Product Requirements Prompt commands for feature blueprints
+- **quality/**: Quality check commands for validation and testing
+- **deploy/**: Deployment commands (future)
+
+Commands in this directory are:
+
+- Available to all team members when checked into git
+- Shown as `/project:command-name` in Claude Code
+- Listed with "(project)" suffix in `/help`
+
+### Personal Commands
+
+You can also create personal commands in `~/.claude/commands/` that are:
+
+- Available across all your Claude Code sessions
+- Private to your local environment
+- Shown as `/personal:command-name`
+
+## Command Structure
+
+Each command file should include:
+
+1. **Purpose**: Clear description of what the command accomplishes
+2. **Prerequisites**: Required setup, environment, or conditions
+3. **Command Sequence**: Step-by-step instructions or prompts
+4. **Success Criteria**: How to verify successful execution
+5. **Troubleshooting**: Common issues and solutions
+
+## Advanced Features
+
+### Parameter Support
+
+Use `$ARGUMENTS` to pass parameters to commands:
+
+```markdown
+# Example: .claude/commands/analyze-issue.md
+Please analyze and fix the GitHub issue: $ARGUMENTS
+```
+
+Usage: `/project:analyze-issue 1234`
+
+### File References
+
+Include file contents using the `@` prefix:
+
+```markdown
+Review the implementation in @src/utils/helpers.py
+Compare @src/old-version.py with @src/new-version.py
+```
+
+### Bash Command Execution
+
+Execute bash commands before the slash command runs using the `!` prefix:
+
+```markdown
+!git status
+Analyze the current git status and suggest next steps.
+```
+
+## Namespacing
+
+Commands are organized by namespace:
+
+- `/project:command-name` - Project-specific commands (this directory)
+- `/personal:command-name` - Personal commands from ~/.claude/commands/
+- `/command-name` - Built-in Claude Code commands
+
+## Best Practices
+
+1. **Keep commands focused** - Single responsibility per command
+2. **Include error handling** - Account for common failure modes
+3. **Document prerequisites** - Clear setup requirements
+4. **Provide examples** - Show expected usage and output
+5. **Test before committing** - Ensure commands work for team
+6. **Use descriptive names** - Make command purpose obvious
+7. **Version control** - Track changes to team commands in git
+
+## Example Command
+
+```markdown
+# .claude/commands/review-code.md
+Please perform a comprehensive code review:
+
+1. Check for code style violations
+2. Identify potential bugs or edge cases
+3. Suggest performance improvements
+4. Verify test coverage
+5. Review documentation completeness
+
+Focus on: $ARGUMENTS
+
+Include specific line numbers and code examples in your feedback.
+```
+
+## Integration with EOL RAG Framework
+
+Our custom commands extend Claude Code for RAG development:
+
+- **PRP commands**: Generate comprehensive implementation blueprints
+- **Quality commands**: Validate Python code and RAG performance
+- **Context-aware**: Leverage .claude/context/ knowledge base
+
+## References
+
+- [Claude Code Overview](https://docs.anthropic.com/en/docs/claude-code/overview)
+- [Slash Commands Documentation](https://docs.anthropic.com/en/docs/claude-code/slash-commands)
+- [Claude Code Best Practices](https://www.anthropic.com/engineering/claude-code-best-practices)
+- [Claude Code GitHub Repository](https://github.com/anthropics/claude-code)
+- [CLI Reference](https://docs.anthropic.com/en/docs/claude-code/cli-reference)
+
+## Community Resources
+
+- [Awesome Claude Code](https://github.com/hesreallyhim/awesome-claude-code) - Curated list of commands and workflows
+- [Claude Command Suite](https://github.com/qdhenry/Claude-Command-Suite) - 119+ professional slash commands
+- [Claude Code Complete Guide](https://www.siddharthbharath.com/claude-code-the-complete-guide/) - Comprehensive tutorial
+
+---
+
+*This directory follows Claude Code's official slash command conventions, enabling powerful custom workflows for the EOL RAG Framework development.*

.claude/commands/prepare-pr.md

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+# Prepare Pull Request Command
+
+## Purpose
+
+Create and push a pull request with proper preparation and description.
+
+## Prerequisites
+
+- All quality checks passed (run check-quality.md first)
+- Working on feature branch (not main)
+- Changes committed locally
+- GitHub CLI (`gh`) installed and authenticated
+
+## Command Sequence
+
+### 1. Ensure Branch is Up to Date
+
+```bash
+# Fetch latest changes
+git fetch origin main
+
+# Rebase on main (or merge if preferred)
+git rebase origin/main
+
+# Resolve any conflicts if they arise
+# git status
+# git add <resolved-files>
+# git rebase --continue
+```
+
+### 2. Run Final Quality Check
+
+```bash
+# Quick quality validation
+python -m black src/ tests/ --check && \
+python -m pytest tests/ -q
+```
+
+### 3. Review Changes
+
+```bash
+# View all changes
+git diff origin/main...HEAD
+
+# List changed files
+git diff --name-only origin/main...HEAD
+
+# Check commit history
+git log --oneline origin/main..HEAD
+```
+
+### 4. Push Branch
+
+```bash
+# Push to remote
+git push -u origin $(git branch --show-current)
+
+# If rebased, might need force push
+# git push -u origin $(git branch --show-current) --force-with-lease
+```
+
+### 5. Create Pull Request
+
+```bash
+# Create PR with title and body
+gh pr create \
+  --title "[Type] Brief description" \
+  --body "$(cat <<EOF
+## Summary
+Brief description of what this PR accomplishes
+
+## Changes
+- List key changes
+- Include important modifications
+- Note any refactoring
+
+## Testing
+- Ran unit tests: \`pytest tests/\`
+- Ran integration tests: \`pytest tests/integration/\`
+- Coverage: XX%
+
+## Checklist
+- [ ] Tests passing
+- [ ] Documentation updated
+- [ ] Code formatted (Black)
+- [ ] Type hints added
+- [ ] No security issues
+
+## Breaking Changes
+None (or list them)
+
+## Performance Impact
+None (or describe impact)
+EOF
+)" \
+  --base main
+```
+
+### 6. Alternative: Create Draft PR
+
+```bash
+# Create as draft for work in progress
+gh pr create --draft \
+  --title "[WIP] Feature description" \
+  --body "Work in progress..." \
+  --base main
+```
+
+### 7. View PR Status
+
+```bash
+# Check PR checks status
+gh pr checks
+
+# View PR in browser
+gh pr view --web
+```
+
+## PR Title Conventions
+
+- `feat:` New feature
+- `fix:` Bug fix
+- `docs:` Documentation only
+- `style:` Formatting, no code change
+- `refactor:` Code restructuring
+- `test:` Adding tests
+- `chore:` Maintenance
+
+## Success Criteria
+
+- ✅ Branch up to date with main
+- ✅ All tests passing locally
+- ✅ PR created successfully
+- ✅ CI/CD checks triggered
+- ✅ PR has clear description
+
+## Troubleshooting
+
+### Merge Conflicts
+
+```bash
+# If rebase has conflicts
+git status
+# Edit conflicted files
+git add <resolved-files>
+git rebase --continue
+```
+
+### Push Rejected
+
+```bash
+# If push rejected after rebase
+git push --force-with-lease
+```
+
+### PR Checks Failing
+
+```bash
+# View check details
+gh pr checks
+
+# View specific workflow run
+gh run list --branch $(git branch --show-current)
+gh run view <run-id>
+```
+
+### Update Existing PR
+
+```bash
+# Add commits and push
+git add .
+git commit -m "Address review feedback"
+git push
+
+# Update PR description
+gh pr edit --body "Updated description..."
+```
+
+## Best Practices
+
+1. Keep PRs small and focused
+2. Write descriptive commit messages
+3. Respond to review feedback promptly
+4. Update PR description as needed
+5. Link related issues with "Fixes #123"