claude-code-ultimate-guide/CHANGELOG.md
Florian BRUNIAUX 08facfdbdc feat(llm-ref): add machine-optimized YAML index for Claude Code
- Create claude-code-reference.yaml (~2K tokens vs 70K full guide)
- Add deep_dive section with 38 line references to main guide
- Structure: decision tree first, then prompting formula, commands, etc.
- Update README.md with LLM Reference in Core Documentation
- Update llms.txt with Machine-Optimized Reference section
- Bump version to 2.9.2

Use case: Claude Code self-reference for fast user question answering

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-12 10:37:09 +01:00

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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
## [Unreleased]
## [2.9.2] - 2026-01-12
### Added
- **claude-code-reference.yaml** - Machine-optimized LLM index (~2K tokens)
- **Decision tree** as first section (most used lookup)
- **Prompting formula** (WHAT/WHERE/HOW/VERIFY pattern)
- **38 deep_dive line references** to english-ultimate-claude-code-guide.md
- 22 sections covering: commands, shortcuts, CLI flags, context management, memory files, MCP servers, think levels, cost optimization, anti-patterns, troubleshooting
- Flat YAML structure (max 1 level nesting) for optimal LLM parsing
- ~97% token reduction vs full guide (2K vs 70K tokens)
- **README.md** - Added LLM Reference row in Core Documentation table
- **llms.txt** - Added Machine-Optimized Reference section with YAML file description
### Stats
- 1 new file created (claude-code-reference.yaml, 282 lines)
- 2 files modified (README.md, llms.txt)
- Use case: Claude Code self-reference for fast user question answering
## [2.9.1] - 2026-01-12
### Fixed
- **Cheatsheet completeness audit** (cheatsheet-en.md, ~15 lines modified)
- **Missing commands added**:
- `/execute` - Exit Plan Mode (counterpart to `/plan`)
- `/model` - Switch model (sonnet/opus/opusplan)
- **Missing keyboard shortcuts added**:
- `Ctrl+R` - Retry last operation
- `Ctrl+L` - Clear screen (keeps context)
- **Missing CLI flags added**:
- `-c` / `--continue` - Continue last session
- `-r` / `--resume <id>` - Resume specific session
- `--headless` - Non-interactive (CI/CD)
- **Missing maintenance command added**:
- `claude update` - Check/install updates
- **Inconsistency fixed**:
- Removed false `/resume` slash command from Context Recovery Commands
- Replaced with correct CLI flags (`claude -c`, `claude -r <id>`)
- **Clarification**:
- `/status` vs `/context` descriptions clarified (session state vs detailed token breakdown)
- Cheatsheet version: 2.8 → 2.8.1
### Stats
- 1 file modified (cheatsheet-en.md)
- Audit coverage improved from ~36% to ~85% of documented commands
- Format preserved: 377 lines, 1-page printable maintained
## [2.9.0] - 2026-01-12
### Fixed
- **MCP detection bug in audit-scan.sh** (~60 lines modified)
- **Root cause**: Script searched for `~/.claude/mcp.json` which doesn't exist
- **Actual location**: Claude Code stores MCP config in `~/.claude.json` under `projects.<path>.mcpServers`
- **Solution**: Multi-source detection with priority:
1. `~/.claude.json``projects.<cwd>.mcpServers` (most common)
2. `./.claude/mcp.json` (project-level)
3. `~/.claude/mcp.json` (legacy global)
- JSON output now includes detailed `mcp` section (configured, count, servers, source)
- Human output shows server count and source location
- **Bug `0\n0` in `claude_md_refs`** (~8 lines)
- **Root cause**: `grep -c ... || echo "0"` could produce double output
- **Solution**: Rewritten `count_pattern()` function to properly capture and return count
### Changed
- **audit-scan.sh** enhanced (~50 lines)
- Added `MCP_SOURCE` variable to track where MCP config was found
- Added `MCP_COUNT` variable for server count
- Global `mcp.json` message changed from error to info (not required)
- JSON output restructured with separate `mcp` object
- **claude-setup-audit-prompt.md** updated (~40 lines)
- Phase 1.1: Now checks `~/.claude.json` instead of `~/.claude/mcp.json`
- Phase 1.2: Complete MCP detection rewrite covering all 3 locations
- Glossary: Updated MCP definition to explain config locations
- Version: 2.8 → 2.9
### Stats
- 2 files modified (audit-scan.sh, claude-setup-audit-prompt.md)
- Bug impact: Scripts now correctly detect MCP servers (was showing "No MCP" even when configured)
- Tested: Verified on Méthode Aristote project with 9 MCP servers
## [2.8.0] - 2026-01-11
### Added
- **Verified CLI commands and flags from Medium article analysis** (~61 lines)
- **Section 1.1 "Updating Claude Code"** (lines 210-241)
- `claude update` command - Check and install available updates
- `claude doctor` command - Verify auto-updater health and system integrity
- Maintenance commands reference table with usage guidance
- Update frequency recommendations (weekly, before major work, after system changes)
- Alternative npm update method documented
- **Section 10.1 Built-in Commands** (line 7746)
- `/output-style` - Change response format (concise/detailed/code)
- `/feedback` - Report bugs or send feedback to Anthropic (renamed from `/bug`)
- **Section 10.3 CLI Flags Reference** (lines 7837, 7848)
- `--json-schema <schema>` - JSON Schema for structured output validation
- `--max-budget-usd <amount>` - Maximum API spend limit (with `--print` only)
- **Section 10.4 Quick Diagnostic Guide** (lines 7893-7913)
- Symptom-based troubleshooting table with 8 common scenarios
- Quick Fix + Prevention columns for rapid issue resolution
- 5-step diagnosis flow (context → connectivity → configuration → permissions → doctor)
- Covers: context overflow, rate limits, MCP issues, permission prompts, session corruption
- **README.md navigation improvements** (~50 lines)
- Decision Helper table after Quick Start (6 user personas with direct links)
- Moved Audit section to prominent position after Quick Start
- Reframed AI admission from apologetic to professional tone
- Added Prerequisites section (Node.js, API key, cost estimate)
- Outcome-based Guide Navigation ("After this, you can...")
- Consolidated PDFs/DeepWiki into collapsible `<details>` section
- Shortened Windows disclaimer (5 lines → 1 line)
- Added GitHub Actions section to Production-Ready Examples
- **examples/README.md catalog completion**
- Added `github-actions/` folder to Structure table (3 CI/CD workflows)
- Added `workflows/` folder to Structure table (database branch setup)
- Complete Templates Index with all 9 example categories
### Changed
- **Verification methodology improvements**
- All additions verified via `claude --help` output or direct user testing
- Rejected 6+ unverified elements from Medium article (false positives and non-existent commands)
- Avoided documenting 16 already-present elements (prevented redundancy)
- Maintained guide credibility by only adding 100% confirmed features
- **README.md restructured** for better first-time user experience
- Clear decision support for new users ("Not Sure Where to Start?")
- Audit tool more discoverable (moved from buried position)
- Professional AI disclosure without being apologetic
### Stats
- Guide expanded from 8,787 to 8,848 lines (+61 lines, +0.7%)
- 6 sections modified (Installation, Commands Table, CLI Flags, Troubleshooting, README, examples/README)
- Focus on maintenance commands, structured output, rapid diagnostics, and navigation UX
- Verification ratio: 7 confirmed additions / 22 rejected claims (~32% valid from source article)
- README improvements: Decision Helper, Audit visibility, GitHub Actions showcase
## [2.7.0] - 2026-01-11
### Added
- **Audit optimization with bash scanning** (~350 lines across 4 files)
- **examples/scripts/audit-scan.sh** (NEW, ~230 lines)
- Fast Claude Code setup scanner with dual output modes
- JSON output (`--json`) for Claude processing
- Human-readable output (default) with color-coded results (✅/❌/⚠️)
- Scans: global config (~/.claude/), project config (./CLAUDE.md, .claude/), extensions (agents/commands/skills/hooks/rules)
- Tech stack auto-detection (Node.js, Python, Go, Rust, PHP via manifest files)
- Quality pattern checks: security hooks (PreToolUse), SSoT references (@refs), MCP servers
- Performance: ~80% faster than file-reading approach (~2s vs ~30s)
- Token efficiency: ~90% reduction (~500 tokens vs ~5000 tokens)
- **claude-setup-audit-prompt.md Phase 1-2 rewrite** (~120 lines modified)
- Phase 1.1 "Quick Configuration Scan" replaced file reads with bash commands
- Phase 1.2 "Quality Pattern Checks" uses grep/wc/find for targeted validation
- Phase 1.3 references external audit-scan.sh for comprehensive scanning
- Added "Efficient Guide Reference Lookup" with sed line range extraction
- Reduced audit time estimate from ~5-10 minutes to ~2-3 minutes
- Version updated: 2.1 → 2.2
- **examples/README.md scripts section** (~20 lines)
- Added `scripts/` folder to structure table
- Scripts table documenting 3 utility scripts (audit-scan.sh, check-claude.sh, clean-reinstall-claude.sh)
- Usage examples for both JSON and human-readable output modes
- **README.md "Audit Your Setup" section rewrite** (~60 lines)
- Two-option approach: Quick Bash Scan (2 seconds) vs Claude-powered audit (2-3 minutes)
- Performance comparison: "~80% faster scanning and 90% fewer tokens"
- Option 1: Direct script execution with curl download example
- Option 2: Claude-powered analysis referencing audit prompt
- Clear usage instructions for both `--json` and default modes
### Changed
- **Version alignment** across documentation
- README.md: Version 2.6 → 2.7
- english-ultimate-claude-code-guide.md: Already at 2.7
- claude-setup-audit-prompt.md: Version 2.1 → 2.2
### Stats
- 1 new file created (audit-scan.sh, ~230 lines)
- 4 files modified (claude-setup-audit-prompt.md, examples/README.md, README.md, CHANGELOG.md)
- Performance improvement: 80% faster scanning, 90% token reduction
- Focus on efficiency, developer experience, and programmatic auditing
- Script supports both human-readable and machine-readable (JSON) output
## [2.6.0] - 2026-01-11
### Added
- **Section 8.5: Plugin System** (~245 lines, comprehensive documentation)
- **Plugin System fundamentals** (lines 4836-5073)
- What are plugins: packaged agents, skills, commands, domain-specific tooling
- Plugin commands table: install, enable, disable, uninstall, update, validate
- Marketplace management: add, list, update, remove marketplaces
- Using plugins workflow from marketplace to session usage
- Plugin session loading with `--plugin-dir` flag for testing
- **When to Use Plugins** decision matrix
- Team workflows: Share standardized agents/skills via private marketplace
- Domain expertise: Pre-built security, accessibility, performance plugins
- Repeating patterns: Package custom workflows for reuse
- Community solutions: Leverage community expertise
- **Creating Custom Plugins** guide
- Directory structure with manifest (plugin.json)
- Example security-audit plugin manifest
- Validation command: `claude plugin validate ./my-plugin`
- **Plugin vs. MCP Server** comparison table
- Plugin = "How Claude thinks" (workflows, specialized agents)
- MCP Server = "What Claude can do" (tools, external systems)
- Clear guidance on when to use which
- **Security Considerations** section
- Before installing: trust source, review manifest, test in isolation
- Red flags: network access without reason, obfuscated code, no documentation
- **Example Use Cases** with real workflows
- Team Code Standards Plugin (private marketplace)
- Security Audit Suite (community plugin)
- Accessibility Testing (a11y plugin with WCAG compliance)
- **Troubleshooting** guide
- Plugin not found after install
- Plugin conflicts resolution
- Plugin not loading in session
- **Keyboard Shortcut: `Esc×2` double-tap** (line 7487)
- Added to Section 10.2 Keyboard Shortcuts table
- Clarifies double-tap pattern: Rewind to previous checkpoint (same as `/rewind`)
- Resolves inconsistency between TL;DR mention and shortcuts table
- **Plugin command** in Section 10.1 Commands Table (line 7696)
- `/plugin` command: Manage Claude Code plugins (Config category)
- **Plugin flag** in Section 10.3 CLI Flags Reference (line 7782)
- `--plugin-dir`: Load plugins from directory (repeatable flag)
### Changed
- **Table of Contents updated** (line 147)
- Added [8.5 Plugin System](#85-plugin-system) entry
- **Section 8 Quick Jump navigation enhanced** (line 4530)
- Added Plugin System link to quick navigation bar
- **TL;DR Power Features table** (line 80)
- Added "Plugins: Community-created extension packages" row
- **Version alignment** across documentation
- english-ultimate-claude-code-guide.md: Version 2.5 → 2.6
- README.md: Version 2.5 → 2.6
### Stats
- Guide expanded from 8,545 to 8,787 lines (+242 lines, +2.8%)
- Plugin System section: ~245 lines of comprehensive documentation
- 1 keyboard shortcut clarified (Esc×2)
- 2 command/flag additions (/plugin, --plugin-dir)
- Focus on extensibility and community-driven functionality
- Zero loss of existing functionality
## [2.5.0] - 2026-01-11
### Removed
- **Content cleanup and optimization** (~1048 lines removed, -10.9%)
- **DeepSeek Integration section** (~200 lines, lines 9123-9321)
- Third-party provider documentation not specific to Claude Code
- Replaced reference in configuration table with generic "Alternative auth token"
- **Git Archaeology Pattern** (~250 lines, lines 8834-9081)
- General Git technique, not Claude Code-specific
- **Emergency Hotfix Checklist** (~140 lines, lines 8695-8832)
- Generic development workflow, not specific to Claude Code
- **Maturity Model & Success Metrics** (~95 lines, lines 8544-8691)
- Gamification content that added weight without Claude Code value
- **Prompt Templates** (~105 lines, lines 8437-8542)
- Generic prompt templates not specific to Claude Code
- **Task-specific checklists** (Bug Fix, Feature, Code Review, Refactoring)
- General development checklists, not Claude Code workflows
- **Community Resources fictional dates** (table column removed)
- Removed "Last Updated" column with fictional future dates (Apr 2025, Oct 2025, Jul 2025, Aug 2025)
- Reduced from 5 to 3 essential awesome-lists
### Changed
- **Health Check Scripts externalized** to `examples/scripts/`
- Replaced ~90 lines of inline PowerShell/Bash scripts with links
- Created `examples/scripts/check-claude.sh` (macOS/Linux health check)
- Created `examples/scripts/check-claude.ps1` (Windows health check)
- Main guide now references external scripts for maintainability
- **Clean Reinstall Scripts externalized** to `examples/scripts/`
- Replaced ~75 lines of inline reinstall procedures with links
- Created `examples/scripts/clean-reinstall-claude.sh` (macOS/Linux reinstall)
- Created `examples/scripts/clean-reinstall-claude.ps1` (Windows reinstall)
- Improves separation of concerns (guide vs utilities)
- **Nick Tune reference condensed**
- Reduced from ~40 lines to 3 lines with link only
- Kept attribution but removed excessive detail
- **Daily Workflow & Checklists streamlined**
- Removed generic checklists (Bug Fix, Feature, Code Review, Refactoring)
- Kept only Claude Code-specific parts (Daily Workflow, Prompt Quality)
- **Table of Contents cleaned**
- Removed obsolete references to A.8 (Prompt Templates) and A.9 (Success Metrics)
- Fixed document structure coherence
### Fixed
- Version consistency across documentation (2.4 aligned)
- Code block balance verification (673 markers, properly balanced)
- Removed broken internal references to deleted sections
### Stats
- Document reduced from 9,593 to 8,545 lines (-1,048 lines, -10.9%)
- 4 new script files created in examples/scripts/ (~350 lines externalized)
- Focus shifted to Claude Code-specific content only
- Improved maintainability through script externalization
- Zero loss of essential Claude Code functionality
## [2.4.0] - 2026-01-10
### Added
- **Database Branch Isolation with Git Worktrees** (~540 lines across 3 files)
- **examples/commands/git-worktree.md** enhanced (~90 lines added)
- Database provider auto-detection (Neon, PlanetScale, Local Postgres, Supabase)
- Suggested commands for DB branch creation per provider
- `.worktreeinclude` setup documentation for .env copying
- "When to Create Database Branch" decision table
- Cleanup commands including DB branch deletion
- Common mistakes section expanded with DB-related pitfalls
- **examples/workflows/database-branch-setup.md** (NEW, ~350 lines)
- Complete provider-specific setup guides (Neon, PlanetScale, Local Postgres)
- TL;DR section for 90% use case (Neon quick start)
- Provider comparison table with branching capabilities
- 3 isolation patterns: Cloud branching, Local schema, Shared DB
- Decision tree for choosing DB isolation strategy
- Real-world workflow examples with commands
- Troubleshooting section with common issues
- Prerequisites and CLI installation per provider
- **english-ultimate-claude-code-guide.md** Section 9.12 enhanced (~95 lines)
- "Database Branch Isolation with Worktrees" new subsection
- Problem/Solution framing for schema conflicts
- Provider detection explanation
- "When to create DB branch" decision table
- Complete workflow example with Neon
- Prerequisites for all major providers
- Links to detailed workflow guide
- **Source attribution**: [Neon database branching](https://neon.tech/docs/guides/branching) and [PlanetScale branching workflows](https://planetscale.com/docs/concepts/branching)
### Changed
- **Guide statistics updated**
- Guide expanded from 9,700+ to 9,592 lines (optimized structure, net -108 lines)
- Content reorganized for better progressive disclosure
- Reduced redundancy through single source of truth pattern
- **Documentation architecture improved**
- Command reference (git-worktree.md) kept concise and scannable
- Detailed workflows separated into dedicated guide
- Clear separation: Quick Reference → Complete Tutorial
### Stats
- 1 new file created (workflows/database-branch-setup.md, ~350 lines)
- 3 files modified (git-worktree.md +90, guide +95, examples/README.md)
- Focus on database isolation patterns for modern dev workflows
- Maintenance-friendly: Single source of truth for provider commands
## [2.3.0] - 2026-01-10
### Added
- **DeepTo Claude Code Guide integration** (~800 lines across 5 sections)
- **Image Processing** (Section 2.3.2, lines 377-445)
- Direct image input via paste/drag-drop in terminal
- Screenshot analysis, UI debugging, error message analysis
- Best practices for image-based workflows
- Supported formats: PNG, JPG, GIF, WebP, screenshots
- **Session Continuation and Resume** (Section 2.3.4, lines 447-560)
- `claude --continue` / `-c` to resume last session
- `claude --resume <id>` / `-r <id>` for specific sessions
- Use cases table: long-term projects, research, interrupted work, daily workflows
- Context preservation across terminal sessions
- Integration with MCP Serena for persistent memory
- **XML-Structured Prompts** (Section 2.6, lines 1582-2148)
- Semantic organization using `<instruction>`, `<context>`, `<code_example>`, `<constraints>`, `<output>` tags
- Benefits table: disambiguation, role clarity, example isolation, constraint definition
- 3 practical examples: code review, feature implementation, bug investigation
- Advanced patterns: nested tags, multiple examples, conditional instructions
- Integration with CLAUDE.md and Plan Mode
- Template library for common scenarios
- **ccusage CLI Tool** (Section 3.5.3, around line 970)
- Detailed cost analytics and tracking
- Model-specific breakdowns (Haiku/Sonnet/Opus)
- Token usage analysis and optimization insights
- Installation and usage instructions
- **Unix Piping Workflows** (Section 9.3.3, line 4490)
- Feeding content to Claude via stdin pipes
- Output format options (text, json, markdown)
- Build script integration patterns
- CI/CD pipeline examples (linting, testing, security)
- Automated analysis and report generation
- **DeepTo Guide reference** added to README.md Resources section
- Listed alongside zebbern, Claudelog, and ykdojo guides
- Brief description covering all integrated concepts
- **Source attribution** included in all new sections
- Proper credit to https://cc.deeptoai.com/docs/en/best-practices/claude-code-comprehensive-guide
- Following same attribution format used for other community guides
### Changed
- **Guide statistics updated**
- Guide expanded to approximately 9,700+ lines (+800 lines from DeepTo integration)
- Enhanced coverage of context management, structured prompting, and automation
- **README.md Resources section enhanced**
- Added DeepTo Claude Code Guide to Related Guides
### Stats
- 0 new files created (documentation enhancement only)
- 3 files modified (README.md, english-ultimate-claude-code-guide.md, CHANGELOG.md)
- Focus on advanced prompting techniques, cost optimization, and automation workflows
- Integration of community best practices from DeepTo guide
## [2.2.0] - 2026-01-10
### Added
- **ykdojo/claude-code-tips reference integration** (~300 lines, 6 tips)
- Added to References section in README.md (2 locations: Key inspirations + Related Guides)
- Added to Learning Sites table in guide (Section 10.3.3, lines 8277, 8500)
- Listed as peer guide alongside Claudelog and zebbern
- **Tip 1: Undocumented Commands** integrated in Section 10.1 Commands Table
- `/usage` - Check rate limits and token allocation
- `/stats` - View usage statistics with activity graphs
- `/chrome` - Toggle native browser integration
- `/mcp` - Manage Model Context Protocol servers
- **Tips 3+4+8: Keyboard Shortcuts** integrated in Section 10.2
- Restructured with 2 categories: "Session Control" + "Input & Navigation"
- `Ctrl+A` - Jump to beginning of line
- `Ctrl+E` - Jump to end of line
- `Ctrl+W` - Delete previous word
- `Ctrl+G` - Open external editor for long text
- `Ctrl+B` - Run command in background
- **Tip 5: Session Handoff Pattern** new subsection in Section 2.2 (lines 1252-1308)
- Complete template with 5 sections (Accomplished, Current State, Decisions, Next Steps, Context)
- When-to-use table with 5 scenarios (end of day, context limit, switching focus, interruption, debugging)
- Storage location: `claudedocs/handoffs/handoff-YYYY-MM-DD.md`
- Pro tip: Ask Claude to generate handoff automatically
- **Tip 12: GitHub Actions CLI Debugging** new subsection in Section 9.3 (lines 4445-4500)
- Quick investigation workflow with `gh run` commands
- Common commands table: list, view, view logs, watch, rerun
- Practical example combining `gh` with Claude Code
- Pro tip: Pipe failed logs directly to Claude for analysis
- **Additional topics worth exploring** section added (lines 8516-8522)
- 6 non-integrated but pertinent topics from ykdojo listed
- Voice transcription workflows (superwhisper/MacWhisper)
- Tmux for autonomous testing
- cc-safe security tool
- Cascade multitasking method
- Container experimentation with Docker
- Half-clone technique for context trimming
### Changed
- **Guide statistics updated**
- Guide expanded from 8,505 to 8,929 lines (+424 lines, +5.0%)
- Word count increased from ~31,280 to 33,219 words (+1,939 words, +6.2%)
- Reading time updated: "~3 hours" → "~2h15min" (more precise estimate)
- **Version alignment** across documentation
- english-ultimate-claude-code-guide.md: Version 2.1 → 2.2
- README.md: Version 2.1 → 2.2
- CHANGELOG.md: New release 2.2.0 documented
### Stats
- 0 new files created (documentation enhancement only)
- 3 files modified (README.md, english-ultimate-claude-code-guide.md, CHANGELOG.md)
- Guide grew by 424 lines (5.0% growth from v2.1.0)
- Focus on productivity techniques and terminal efficiency
- Integration of battle-tested workflows from Y.K. Dojo
## [2.1.0] - 2026-01-10
### Added
- **Production-ready slash commands** in examples/commands/ (~25 KB)
- **pr.md** (5.8 KB) - PR creation with scope analysis
- Complexity scoring algorithm (code files × 2 + tests × 0.5 + directories × 3 + commits)
- Scope coherence detection (related vs unrelated changes)
- Semi-automatic split suggestions with git commands
- Conventional commit format enforcement
- Complete PR template with TLDR + description + test checklist
- **release-notes.md** (7.2 KB) - Generate release notes in 3 formats
- CHANGELOG.md format (Keep a Changelog standard)
- GitHub Release / PR body format
- User announcement format (tech-to-product language transformation)
- Database migration detection (Prisma, Sequelize, Django, Alembic)
- Semantic versioning determination from commit types
- **sonarqube.md** (11.3 KB) - Analyze SonarCloud quality issues for PRs
- Environment variable configuration ($SONARQUBE_TOKEN, $SONAR_PROJECT_KEY)
- Bash script wrapper to handle zsh authentication issues
- Node.js analysis script for grouping issues by rule and severity
- Executive summary with top violators and action plan
- Severity mapping (BLOCKER/CRITICAL → 🔴, MAJOR → 🟡, MINOR/INFO → 🔵)
- **Production-ready hooks** in examples/hooks/bash/ (~6.5 KB)
- **dangerous-actions-blocker.sh** (5.2 KB) - PreToolUse security hook
- Blocks destructive commands (rm -rf /, fork bombs, dd if=, mkfs)
- Blocks git force push to main/master branches
- Blocks npm/pnpm/yarn publish without confirmation
- Detects secrets in commands (password=, api_key=, token= patterns)
- Protects sensitive files (.env, credentials.json, SSH keys, .npmrc)
- Path validation with $ALLOWED_PATHS environment variable
- Generic implementation using $CLAUDE_PROJECT_DIR with fallback to pwd
- **notification.sh** (1.3 KB) - Notification hook with contextual macOS alerts
- 5 contextual sound mappings (success, error, waiting, warning, default)
- Keyword-based context detection (completed/done → Hero.aiff, error/failed → Basso.aiff)
- Non-blocking background execution
- Native macOS notifications with osascript
- Multi-language support (English/French keywords)
- **Comprehensive hooks documentation**
- **examples/hooks/README.md** (12.4 KB) - Complete hook system guide
- Available hooks table with 6 hook examples across events
- Hook events reference (PreToolUse, PostToolUse, UserPromptSubmit, Notification, SessionStart, SessionEnd, Stop)
- Configuration guide with settings.json examples and matcher patterns
- Creating custom hooks template with environment variables
- Best practices (short timeout, fail gracefully, minimal logging)
- Advanced examples (git context enrichment, activity logger, migration detector)
- Troubleshooting section (permission issues, timeout errors, jq installation)
- **README.md improvements** for better discoverability
- Moved "What's Inside" section to line 24 (immediately after intro, before "About This Guide")
- Added examples/ row to table: "Production-ready commands, hooks, agents | Browse as needed"
- **DeepWiki interactive documentation explorer** section
- Link to https://deepwiki.com/FlorianBruniaux/claude-code-ultimate-guide/1-overview
- 4 bullet points explaining features (natural language queries, contextual navigation, semantic search, on-demand summaries)
- Tagline: "Perfect for quick lookups when you don't want to read the full 7500+ lines"
- **Ready-to-Use Examples** section with comprehensive tables
- Commands table: 6 commands with purpose and highlights (/pr, /release-notes, /sonarqube, /commit, /review-pr, /git-worktree)
- Hooks table: 4 hooks with events and purposes (dangerous-actions-blocker, notification, security-check, auto-format)
- Link to examples/README.md for full catalog
- **Guide documentation extensions** (english-ultimate-claude-code-guide.md)
- **Section 1.3 "Quick Actions & Shortcuts"** expanded (~80 lines)
- New subsection "Shell Commands with `!`" with 9 concrete examples
- Quick status checks (!git status, !npm run test, !docker ps)
- View logs (!tail -f, !cat package.json)
- Quick searches (!grep -r "TODO", !find . -name "*.test.ts")
- Comparison table: when to use `!` vs asking Claude
- Example workflow showing both approaches
- New subsection "File References with `@`" with usage patterns
- Single file, multiple files, wildcards, relative paths
- "Why use `@`" section: precision, speed, context, clarity
- Comparative example showing with/without `@`
- Section 10 TL;DR updated with "Copy ready-to-use templates → examples/ directory"
- Appendix updated with note redirecting to examples/ for production-ready templates
### Changed
- **examples/README.md** updated with new entries
- Commands table: Added /pr, /release-notes, /sonarqube rows
- Hooks table: Added dangerous-actions-blocker.sh, notification.sh rows
- Added note: "See hooks/README.md for complete documentation"
- **README.md restructured** for immediate content comprehension
- "What's Inside" moved from line 72 to line 24 (48 lines higher)
- Removed duplicate "What's Inside" section (was at old location)
- Removed duplicate DeepWiki reference from Resources section
- Optimal information architecture: Title → Author → What's Inside → About
- **Guide statistics updated**
- Guide expanded from 7,668 to 8,505 lines (+837 lines, +10.9%)
- Word count updated to approximately 31,280 words
- Reading time remains 3 hours (comprehensive read-through)
### Stats
- 6 new files created (~43 KB total)
- 3 slash commands (pr.md, release-notes.md, sonarqube.md)
- 2 bash hooks (dangerous-actions-blocker.sh, notification.sh)
- 1 comprehensive documentation (hooks/README.md)
- 3 files modified (README.md, english-ultimate-claude-code-guide.md, examples/README.md)
- Guide grew by 837 lines (10.9% growth from v2.0.0)
- Focus on production-ready templates and improved documentation discoverability
- All commands and hooks fully generic (no project-specific references)
## [2.0.0] - 2026-01-10
### Added
- **Section 9.12: Git Best Practices & Workflows** (~400 lines)
- Commit message best practices with Conventional Commits format
- Git amend workflow with safety rules and verification process
- Branch management patterns and naming conventions
- Rewind vs Revert decision tree for different scenarios
- **Git Worktrees comprehensive documentation**
- Parallel branch development without context switching
- Setup process and directory structure
- Claude Code integration patterns
- CLAUDE.md memory file strategies for worktrees
- Best practices and troubleshooting guide
- Cleanup procedures
- **Section 9.13: Cost Optimization Strategies** (~350 lines)
- Model selection matrix (Haiku/Sonnet/Opus use cases and costs)
- OpusPlan mode (Opus for planning, Sonnet for execution)
- Token-saving techniques (selective loading, .claudeignore, proactive compacting)
- Agent specialization for efficiency
- Cost tracking with /status command and budget alerts
- Economic workflows (Haiku for tests, Sonnet for implementation)
- Token calculation reference with real pricing examples
- Cost vs productivity trade-offs analysis
- ROI calculations and cost-effectiveness metrics
- **examples/commands/git-worktree.md** - Slash command template
- Systematic worktree setup workflow
- Directory selection priority logic (.worktrees/ vs worktrees/)
- Safety verification (.gitignore checks)
- Auto-detection of package managers (pnpm, cargo, poetry, go)
- Baseline test verification
- Complete quick reference table
- **8 TL;DR/Recap sections** for improved navigation and learning journey
- Section 2 TL;DR (Core Concepts) - 2 minute overview of mental model
- Section 3 TL;DR (Memory & Settings) - 90 second memory hierarchy guide
- Section 4 TL;DR (Agents) - 60 second quick start guide
- Section 7 TL;DR (Hooks) - 60 second event system overview
- Section 9 TL;DR (Advanced Patterns) - 3 minute pattern categories breakdown
- Section 10 TL;DR (Reference) - 1 minute navigation table
- Subsection 2.2 Quick Reference (Context Management zones)
- Section 9 Recap Checklist (Pattern mastery verification before Section 10)
- **Format Enhancements** for better readability
- Collapsible tables using `<details>` tags for dense content (MCP Server Catalog)
- C-style comment format (`/*──────*/`) for multi-OS installation commands
- Quick navigation anchor links at top of all 10 major sections
- **zebbern/claude-code-guide reference** in README Resources
- New "Related Guides" section grouping zebbern and Claudelog as peer guides
- Positioned prominently after Official docs section
- Added context: "Comprehensive reference & troubleshooting guide with cybersecurity focus"
### Changed
- **Updated statistics** throughout documentation
- Guide expanded from 7,481 to 7,668 lines (+187 lines, +2.5%)
- Word count: 27,471 words (27K+)
- Reading time estimate: 2.5 hours → 3 hours (more accurate for full guide)
- README: "4000+ lines" → "7500+ lines, 27K+ words"
- PDF Kimi reading time: 2.5 hours → 3 hours
- **Version alignment** across all files to 2.0
- english-ultimate-claude-code-guide.md: Version 1.0 → 2.0
- README.md: Version 1.0 → 2.0
- claude-setup-audit-prompt.md: Version 1.0 → 2.0
- cheatsheet-en.md: Already 2.0
- **Date updates** to January 2026
- All "Last updated" fields across documentation
- Status Overview Table dates (Jan 2025 → Jan 2026)
- Pricing model reference date (January 2026)
- Footer timestamps in all major files
### Fixed
- Removed duplicate Claudelog reference from "Frameworks & Tools" section (was in both Key inspirations and Resources)
- Improved organization of Resources section with clearer categorization
### Stats
- Guide now 7,668 lines (from 6,250 lines in v1.2.0)
- Added 187 lines of TL;DR/navigation content
- ~23% growth from v1.2.0
- Focus on user experience optimization and learning journey enhancement
- Major version bump reflects structural documentation paradigm shift (learning-focused TL;DRs throughout)
## [1.2.0] - 2025-01-10
### Added
- **Section 1.6: Migration Patterns** (~230 lines)
- Complete guide for transitioning from GitHub Copilot to Claude Code
- Cursor to Claude Code migration strategies
- Hybrid workflow recommendations (when to use which tool)
- Week-by-week migration checklist
- Common migration issues and solutions
- Success metrics and productivity indicators
- **Section 2.2: Cost Awareness & Optimization** (~220 lines)
- Detailed pricing model breakdown (Sonnet/Opus/Haiku)
- Cost optimization strategies (5 actionable patterns)
- Real-world cost examples and ROI calculations
- Budget tracking and cost-conscious workflows
- Cost vs. value analysis (when to optimize, when not to)
- Red flags for cost waste indicators
- **Section 9.3: Release Notes Generation** (~280 lines)
- Command-based release notes automation
- CI/CD integration for automated changelog
- Interactive workflow for manual control
- Three output formats (CHANGELOG.md, GitHub Release, User Announcement)
- Best practices and common issues
- Complete examples with real commit history
- **Section 10.4: Enhanced Troubleshooting** (~170 lines added)
- MCP server connection issues (Serena, Context7, Sequential)
- Permission pattern matching problems
- Timeout handling strategies
- Platform-specific installation issues (Windows, macOS, Linux)
- **Appendix A.10: Emergency Hotfix Checklist** (~140 lines)
- Step-by-step hotfix protocol (8 phases)
- Time-based decision matrix (<5 min to >30 min)
- Claude Code hotfix-specific commands
- Hotfix anti-patterns and best practices
- Communication templates for incident updates
- **Appendix A.11: Git Archaeology Pattern** (~250 lines)
- 6 archaeology patterns (mysterious code, feature evolution, bug introduction)
- Claude-optimized git commands for investigation
- Real-world examples (workarounds, breaking changes, dead code)
- Archaeology prompt template
- Finding domain experts via git history
- Enhanced Windows disclaimer in README (more visible, actionable)
- Updated `claude-setup-audit-prompt.md` with new checklist items
- Cost Awareness evaluation criteria
- Migration Patterns assessment
- Release Notes automation check
- Emergency procedures documentation
- Git archaeology usage patterns
### Changed
- Improved Windows support visibility in README
- Changed from small note to prominent callout box
- Added specific areas of concern (PowerShell, paths, batch files)
- Clear call-to-action for Windows contributors
- Status indicator for platform support
### Stats
- Guide expanded from ~4955 lines to ~6250 lines (~26% growth)
- Added ~1300 lines of high-value, practical content
- 6 major new sections addressing real-world developer needs
- Focus on cost optimization, migration, and production scenarios
## [1.1.0] - 2025-01-10
### Added
- Comprehensive Windows compatibility support
- PowerShell hook templates
- Windows-specific paths throughout documentation
- PowerShell profile setup instructions
- Batch file alternatives where applicable
- Windows disclaimer in README (author on macOS, Windows untested)
- DeepWiki exploration link for interactive repository discovery
- `llms.txt` file for AI indexation
### Changed
- Installation instructions now prioritize npm (cross-platform)
- Cheatsheet updated with dual-platform paths (macOS/Linux + Windows)
- Audit prompt includes Windows paths
## [1.0.0] - 2025-01-09
### Added
- Complete Claude Code guide (4700+ lines)
- Section 1: Quick Start
- Section 2: Core Concepts (Context Management, Plan Mode, Rewind)
- Section 3: Memory & Settings (CLAUDE.md, .claude/ folder)
- Section 4: Agents (Custom AI personas, Tool SEO)
- Section 5: Skills (Reusable knowledge modules)
- Section 6: Commands (Custom slash commands)
- Section 7: Hooks (Event-driven automation)
- Section 8: MCP Servers (Serena, Context7, Sequential, Playwright)
- Section 9: Advanced Patterns (Trinity, CI/CD, Vibe Coding)
- Section 10: Reference (Commands, Troubleshooting, Checklists)
- Appendix: Templates Collection
- 1-page printable cheatsheet (`cheatsheet-en.md`)
- Setup audit prompt (`claude-setup-audit-prompt.md`)
- PDF versions for offline reading
- NotebookLM audio deep dive
### Documentation
- README with quick start guide
- Table of contents with anchor links
- Quick links by topic
- Who Is This For section
## [0.1.0] - 2025-01-08
### Added
- Initial repository structure
- License (CC BY-SA 4.0)
- .gitignore for common patterns