fix(docs): Update broken URLs, deprecations, and outdated references

- Replace docs.anthropic.com URLs with code.claude.com equivalents across all files
- Mark /review as deprecated with code-review plugin recommendation
- Fix "Sonnet 4.5" → "Sonnet 4.6" model name reference
- Update Task() → Agent() syntax in subagents documentation
- Remove undocumented /todos from slash commands table
- Add verification note about CLAUDE.local.md not in official docs

.github/ISSUE_TEMPLATE/config.yml

@@ -1,7 +1,7 @@
 blank_issues_enabled: false
 contact_links:
   - name: Claude Code Documentation
-    url: https://docs.anthropic.com/en/docs/claude-code
+    url: https://code.claude.com/docs/en/overview
     about: Official Claude Code documentation
   - name: Discussions
     url: https://github.com/luongnv89/claude-howto/discussions

01-slash-commands/README.md

@@ -55,7 +55,7 @@ Built-in commands are shortcuts for common actions. Type `/` in Claude Code to s
 | `/remote-env` | Configure remote session environment (claude.ai subscribers) |
 | `/rename <name>` | Rename the current session |
 | `/resume [session]` | Resume a conversation by ID or name |
-| `/review` | Request code review |
+| `/review` | **Deprecated** — install the [`code-review` plugin](https://github.com/anthropics/claude-code-marketplace/blob/main/code-review/README.md) instead: `claude plugin install code-review@claude-code-marketplace` |
 | `/rewind` | Rewind the conversation and/or code |
 | `/sandbox` | Enable sandboxed bash tool with filesystem and network isolation |
 | `/security-review` | Complete a security review of pending changes |
@@ -66,13 +66,12 @@ Built-in commands are shortcuts for common actions. Type `/` in Claude Code to s
 | `/teleport` | Resume remote session from claude.ai by session ID |
 | `/terminal-setup` | Install Shift+Enter key binding for newlines |
 | `/theme` | Change the color theme |
-| `/todos` | List current TODO items |
 | `/usage` | Show plan usage limits and rate limit status |
 | `/vim` | Enter vim mode for alternating insert and command modes |
 
 ### Recent Changes
 
-- `/model` picker now shows human-readable labels (e.g., "Sonnet 4.5") instead of raw model IDs
+- `/model` picker now shows human-readable labels (e.g., "Sonnet 4.6") instead of raw model IDs
 - `/rename` auto-generates a session name from conversation context when called without arguments
 - `/rename` now updates the terminal tab title by default
 - `/resume` picker increased initial session count from 10 to 50

02-memory/README.md

@@ -237,6 +237,8 @@ Claude Code uses a multi-tier hierarchical memory system. Memory files are autom
 6. **Local Project Memory** - Personal project-specific preferences
    - `./CLAUDE.local.md`
 
+> **Note**: `CLAUDE.local.md` is not mentioned in the [official documentation](https://code.claude.com/docs/en/memory) as of March 2026. It may still work as a legacy feature. For new projects, consider using `~/.claude/CLAUDE.md` (user-level) or `.claude/rules/` (project-level, path-scoped) instead.
+
 7. **Auto Memory** - Claude's automatic notes and learnings
    - `~/.claude/projects/<project>/memory/`
 
@@ -1058,4 +1060,4 @@ For the most up-to-date information, refer to the official Claude Code documenta
 
 ### Related Claude Features
 - [Claude Web Memory](https://claude.ai) - Automatic synthesis
-- [Official Memory Docs](https://docs.anthropic.com/en/docs/claude-code/memory) - Anthropic documentation
+- [Official Memory Docs](https://code.claude.com/docs/en/memory) - Anthropic documentation

04-subagents/README.md

@@ -495,7 +495,9 @@ graph TB
 
 ## Restrict Spawnable Subagents
 
-You can control which subagents a given subagent is allowed to spawn by using the `Task(agent_type)` syntax in the `tools` field. This provides a way to allowlist specific subagents for delegation.
+You can control which subagents a given subagent is allowed to spawn by using the `Agent(agent_type)` syntax in the `tools` field. This provides a way to allowlist specific subagents for delegation.
+
+> **Note**: In v2.1.63, the `Task` tool was renamed to `Agent`. Existing `Task(...)` references still work as aliases.
 
 ### Example
 
@@ -503,7 +505,7 @@ You can control which subagents a given subagent is allowed to spawn by using th
 ---
 name: coordinator
 description: Coordinates work between specialized agents
-tools: Task(worker, researcher), Read, Bash
+tools: Agent(worker, researcher), Read, Bash
 ---
 
 You are a coordinator agent. You can delegate work to the "worker" and

CATALOG.md

@@ -90,7 +90,7 @@ Commands are user-invoked shortcuts that execute specific actions.
 
 > **Scope**: `User` = personal workflows (`~/.claude/commands/`), `Project` = team-shared (`.claude/commands/`)
 
-**Reference**: [01-slash-commands/](01-slash-commands/) | [Official Docs](https://docs.anthropic.com/en/docs/claude-code/slash-commands)
+**Reference**: [01-slash-commands/](01-slash-commands/) | [Official Docs](https://code.claude.com/docs/en/interactive-mode)
 
 **Quick Install (All Custom Commands)**:
 ```bash
@@ -131,7 +131,7 @@ Specialized AI assistants with isolated contexts for specific tasks.
 
 > **Scope**: `User` = personal (`~/.claude/agents/`), `Project` = team-shared (`.claude/agents/`)
 
-**Reference**: [04-subagents/](04-subagents/) | [Official Docs](https://docs.anthropic.com/en/docs/claude-code/sub-agents)
+**Reference**: [04-subagents/](04-subagents/) | [Official Docs](https://code.claude.com/docs/en/sub-agents)
 
 **Quick Install (All Custom Agents)**:
 ```bash
@@ -164,7 +164,7 @@ Auto-invoked capabilities with instructions, scripts, and templates.
 └── templates/        # Output templates
 ```
 
-**Reference**: [03-skills/](03-skills/) | [Official Docs](https://docs.anthropic.com/en/docs/claude-code/skills)
+**Reference**: [03-skills/](03-skills/) | [Official Docs](https://code.claude.com/docs/en/skills)
 
 **Quick Install (All Skills)**:
 ```bash
@@ -200,7 +200,7 @@ Bundled collections of commands, agents, MCP servers, and hooks.
 └── scripts/          # Utility scripts
 ```
 
-**Reference**: [07-plugins/](07-plugins/) | [Official Docs](https://docs.anthropic.com/en/docs/claude-code/plugins)
+**Reference**: [07-plugins/](07-plugins/) | [Official Docs](https://code.claude.com/docs/en/plugins)
 
 **Plugin Management Commands**:
 ```bash
@@ -317,7 +317,7 @@ Event-driven automation that executes shell commands on Claude Code events.
 }
 ```
 
-**Reference**: [06-hooks/](06-hooks/) | [Official Docs](https://docs.anthropic.com/en/docs/claude-code/hooks)
+**Reference**: [06-hooks/](06-hooks/) | [Official Docs](https://code.claude.com/docs/en/hooks)
 
 **Quick Install (All Hooks)**:
 ```bash
@@ -344,7 +344,7 @@ Persistent context loaded automatically across sessions.
 
 > **Scope**: `Organization` = managed by admins, `Project` = shared with team via git, `User` = personal preferences, `Local` = not committed, `Session` = auto-managed
 
-**Reference**: [02-memory/](02-memory/) | [Official Docs](https://docs.anthropic.com/en/docs/claude-code/memory)
+**Reference**: [02-memory/](02-memory/) | [Official Docs](https://code.claude.com/docs/en/memory)
 
 **Quick Install**:
 ```bash
@@ -420,7 +420,7 @@ chmod +x ~/.claude/hooks/*.sh
 
 ## Additional Resources
 
-- [Official Claude Code Documentation](https://docs.anthropic.com/en/docs/claude-code)
+- [Official Claude Code Documentation](https://code.claude.com/docs/en/overview)
 - [MCP Protocol Specification](https://modelcontextprotocol.io)
 - [Learning Roadmap](LEARNING-ROADMAP.md)
 - [Main README](README.md)

LEARNING-ROADMAP.md

@@ -682,7 +682,7 @@ Once you've completed all milestones:
 ## 📚 Additional Resources
 
 ### Official Documentation
-- [Claude Code Documentation](https://docs.anthropic.com/en/docs/claude-code)
+- [Claude Code Documentation](https://code.claude.com/docs/en/overview)
 - [Anthropic Documentation](https://docs.anthropic.com)
 - [MCP Protocol Specification](https://modelcontextprotocol.io)
 

README.md

@@ -9,7 +9,7 @@
 
 ## Why This Guide?
 
-This project complements [Anthropic's official documentation](https://docs.anthropic.com/en/docs/claude-code) with a different approach:
+This project complements [Anthropic's official documentation](https://code.claude.com/docs/en/overview) with a different approach:
 
 | | Official Docs | This Guide |
 |--|---------------|------------|
@@ -852,7 +852,7 @@ For detailed testing guidelines, see [TESTING.md](.github/TESTING.md).
 
 ## Additional Resources
 
-- [Claude Code Documentation](https://docs.anthropic.com/en/docs/claude-code)
+- [Claude Code Documentation](https://code.claude.com/docs/en/overview)
 - [MCP Protocol Specification](https://modelcontextprotocol.io)
 - [Skills Repository](https://github.com/luongnv89/skills) - Collection of ready-to-use skills
 - [Anthropic Cookbook](https://github.com/anthropics/anthropic-cookbook)

STYLE_GUIDE.md

@@ -352,7 +352,7 @@ From a lesson folder back to root or sibling:
 Use full URLs with descriptive anchor text:
 
 ```markdown
-[Anthropic's official documentation](https://docs.anthropic.com/en/docs/claude-code)
+[Anthropic's official documentation](https://code.claude.com/docs/en/overview)
 ```
 
 - Never use "click here" or "this link" as anchor text

claude_concepts_guide.md

@@ -3063,7 +3063,7 @@ Complete configuration example:
 
 ## Resources
 
-- [Claude Code Documentation](https://docs.anthropic.com/en/docs/claude-code)
+- [Claude Code Documentation](https://code.claude.com/docs/en/overview)
 - [Anthropic Documentation](https://docs.anthropic.com)
 - [MCP GitHub Servers](https://github.com/modelcontextprotocol/servers)
 - [Anthropic Cookbook](https://github.com/anthropics/anthropic-cookbook)

resources.md

@@ -9,7 +9,7 @@
 
 | Resource | Description | Link |
 |----------|-------------|------|
-| Claude Code Docs | Official Claude Code documentation | [docs.anthropic.com/en/docs/claude-code](https://docs.anthropic.com/en/docs/claude-code) |
+| Claude Code Docs | Official Claude Code documentation | [code.claude.com/docs/en/overview](https://code.claude.com/docs/en/overview) |
 | Anthropic Docs | Full Anthropic documentation | [docs.anthropic.com](https://docs.anthropic.com) |
 | MCP Protocol | Model Context Protocol specification | [modelcontextprotocol.io](https://modelcontextprotocol.io) |
 | MCP Servers | Official MCP server implementations | [github.com/modelcontextprotocol/servers](https://github.com/modelcontextprotocol/servers) |
@@ -222,7 +222,7 @@ These steps capture the core recommendations for smooth workflows with Claude Co
 | **Auto Memory** | Claude automatically learns and remembers your preferences across sessions | [Memory Guide](02-memory/) |
 | **Remote Control** | Programmatically control Claude Code sessions from external tools and scripts | [Advanced Features](09-advanced-features/) |
 | **Web Sessions** | Access Claude Code through browser-based interfaces for remote development | [CLI Reference](10-cli/) |
-| **Desktop App** | Native desktop application for Claude Code with enhanced UI | [Claude Code Docs](https://docs.anthropic.com/en/docs/claude-code) |
+| **Desktop App** | Native desktop application for Claude Code with enhanced UI | [Claude Code Docs](https://code.claude.com/docs/en/desktop) |
 | **Extended Thinking** | Deep reasoning toggle via `Alt+T`/`Option+T` or `MAX_THINKING_TOKENS` env var | [Advanced Features](09-advanced-features/) |
 | **Permission Modes** | Fine-grained control: default, acceptEdits, plan, dontAsk, bypassPermissions | [Advanced Features](09-advanced-features/) |
 | **7-Tier Memory** | Managed Policy, Project, Project Rules, User, User Rules, Local, Auto Memory | [Memory Guide](02-memory/) |