* docs: sync all tutorials with latest Claude Code official docs (April 2026)
Update 44 documentation files to reflect the latest Claude Code features
from code.claude.com. Key content changes include new slash commands
(/ultraplan, /powerup, /sandbox), deprecated command removals (/pr-comments,
/vim), corrected skill description budget (1%/8K), new hook events
(PermissionDenied, InstructionsLoaded, ConfigChange), expanded Agent Teams
section, new plugin components (LSP, bin/, settings.json), and new CLI
flags (--bare, --tmux, --effort, --channels). Added "Last Updated: April
2026" metadata footer to all documentation files.
* fix(docs): correct env var values and alphabetical ordering
- CLAUDE_CODE_NEW_INIT=true → =1 in 02-memory and 09-advanced-features
- CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=true → =1 in 09-advanced-features
- Fix /powerup vs /plugin alphabetical order in slash commands table
* fix(docs): correct env var values in locale files (vi, zh)
Propagate CLAUDE_CODE_NEW_INIT=true → =1 and
CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=true → =1 corrections
to Vietnamese and Chinese translations.
Update 23 files across all 10 tutorial directories and 7 reference
documents to match the latest Claude Code v2.1+ features and correct
outdated content including model names (4.5→4.6), permission modes,
hook events, CLI syntax, MCP config paths, plugin manifest format,
checkpoint commands, session management, and URLs. Add documentation
for new features: Auto Memory, Remote Control, Web Sessions, Desktop
App, Agent Teams, MCP OAuth, Task List, Sandboxing, and more.
- Add Example 5 (Code Refactoring Skill) to 03-skills/README.md
with directory structure, SKILL.md snippet, and usage example
- Add refactor skill entry to CATALOG.md skills table
- Update all main markdown files (INDEX.md, LEARNING-ROADMAP.md, QUICK_REFERENCE.md, CONTRIBUTING.md, claude_concepts_guide.md, resources.md) with new responsive picture element
- Add logo to all subdirectory README files in feature folders (01-10) and plugins
- Replace old markdown image syntax with HTML picture element for dark/light mode adaptation
- Logo automatically displays dark mode version when system prefers dark mode
- Maintain correct relative paths for all nesting levels (../, ../../, etc.)
- Update README.md with new logo syntax
All markdown files now use the new V2.0 starburst logo design with professional dark/light mode support.
- Add Managing Skills section (viewing, testing, updating, removing)
- Expand Troubleshooting with debugging tips for skipped skills, YAML errors, permissions
- Add Version History best practice section with example
- Enhance allowed-tools documentation with security use cases
- Add Multi-File Skill Example showing complex skill structure
- Add version history to code-review SKILL.md example
Based on: https://code.claude.com/docs/en/skills
- Migrate SKILL.md files to new format (lowercase names, consolidated descriptions)
- Remove deprecated fields: version, tags, when_to_use
- Add Creating Custom Skills section with format requirements
- Add Troubleshooting Guide and team sharing sections
- Enhance Best Practices with specific examples
- Remove Pre-built Skills section (no longer in official docs)
