3a7671ac5e
Updated all documentation and examples to reflect Claude Code v2.1.19
breaking change: $ARGUMENTS.0 → $ARGUMENTS[0] (bracket syntax).
Changes:
- guide/ultimate-guide.md: 7 occurrences updated to bracket/shorthand syntax
- guide/cheatsheet.md: Command template updated
- Added migration note in § 6.2 Variable Interpolation
- Created migration scripts: migrate-arguments-syntax.{sh,ps1}
• Automated detection + conversion with backups
• Dry-run mode, cross-platform (macOS/Linux/Windows)
- Added formal evaluation: eval-claude-code-releases-jan2026.md
• Score: 5/5 (Critical - Integrate Immediately)
• Covers releases 2.1.0 to 2.1.19 (January 2026)
• Technical accuracy verified against GitHub CHANGELOG
Files:
- guide/ultimate-guide.md (+23 lines, 7 occurrences fixed)
- guide/cheatsheet.md (+1 line)
- examples/scripts/migrate-arguments-syntax.sh (+152 lines)
- examples/scripts/migrate-arguments-syntax.ps1 (+143 lines)
- docs/resource-evaluations/eval-claude-code-releases-jan2026.md (+273 lines)
- CHANGELOG.md (+12 lines, Unreleased section)
Total: +605 lines
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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| .. | ||
| images | ||
| workflows | ||
| adoption-approaches.md | ||
| ai-ecosystem.md | ||
| ai-traceability.md | ||
| architecture.md | ||
| cheatsheet.md | ||
| claude-code-releases.md | ||
| cowork.md | ||
| data-privacy.md | ||
| devops-sre.md | ||
| learning-with-ai.md | ||
| methodologies.md | ||
| observability.md | ||
| production-safety.md | ||
| README.md | ||
| search-tools-cheatsheet.md | ||
| security-hardening.md | ||
| ultimate-guide.md | ||
Guide Documentation
Core documentation for mastering Claude Code.
Contents
| File | Description | Time |
|---|---|---|
| ultimate-guide.md | Complete reference covering all Claude Code features | ~3 hours |
| claude-code-releases.md | Official release history (condensed) | 10 min |
| cheatsheet.md | 1-page printable quick reference | 5 min |
| architecture.md | How Claude Code works internally (master loop, tools, context) | 25 min |
| learning-with-ai.md | Guide for juniors on using AI without losing skills | 15 min |
| adoption-approaches.md | Implementation strategies for teams | 15 min |
| data-privacy.md | Data retention and privacy guide | 10 min |
| observability.md | Session monitoring and cost tracking | 15 min |
| methodologies.md | 15 development methodologies reference (TDD, SDD, BDD, etc.) | 20 min |
| security-hardening.md | Security threats, MCP vetting, injection defense | 25 min |
| ai-traceability.md | AI attribution, disclosure policies, git-ai, compliance | 20 min |
| devops-sre.md | FIRE framework for infrastructure diagnosis and incident response | 30 min |
| ai-ecosystem.md | Complementary AI tools (Perplexity, Gemini, Kimi, NotebookLM, TTS) | 30 min |
| cowork.md | Claude Cowork: Summary (see dedicated repo for full docs) | 5 min |
| workflows/ | Practical workflow guides for Claude Code | 30 min |
Cowork Documentation
For knowledge workers using Claude Cowork (agentic desktop):
| Resource | Description |
|---|---|
| Cowork Hub | Complete Cowork documentation |
| Getting Started | Setup and first workflow |
| Capabilities | What Cowork can/cannot do |
| Security Guide | Safe usage practices |
| Prompt Library | 50+ ready-to-use prompts |
| Cheatsheet | 1-page quick reference |
Workflows
Hands-on guides for effective development patterns:
| File | Description |
|---|---|
| workflows/tdd-with-claude.md | Test-Driven Development with Claude |
| workflows/spec-first.md | Spec-First Development (SDD) |
| workflows/plan-driven.md | Using /plan mode effectively |
| workflows/iterative-refinement.md | Iterative improvement loops |
| workflows/tts-setup.md | Add text-to-speech narration to Claude Code (18 min) |
| workflows/task-management.md | Multi-session task tracking, TodoWrite migration |
Recommended Reading Order
- New users: Start with Quick Start section in
ultimate-guide.md - Daily reference: Print
cheatsheet.md - Team leads: Read
adoption-approaches.mdfor rollout strategies
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