docs: Sync all tutorials and references with Claude Code v2.1.84

- Slash commands: update to 55+ built-in, add 5 bundled skills, mark 3 deprecated
- Memory: add managed drop-ins (v2.1.83), subagent memory, settings hierarchy
- Skills: add effort, shell frontmatter fields and discovery behavior
- Subagents: add effort, initialPrompt, disallowedTools fields; document Bash agent
- MCP: add WebSocket transport, elicitation, 2KB tool cap, server deduplication
- Hooks: expand from 18 to 25 events, add agent hook type (now 4 types)
- Plugins: add LSP support, userConfig, CLAUDE_PLUGIN_DATA, CLI commands
- Advanced: add Auto Mode, Channels, Voice Dictation, auto permission mode
- CLI: add 17+ new flags, 17 environment variables, new commands
- Update all reference docs (CATALOG, QUICK_REFERENCE, LEARNING-ROADMAP, INDEX)
- Fix stale quiz questions (hook count, permission modes, hook types)

.claude/skills/lesson-quiz/references/question-bank.md

@@ -325,9 +325,9 @@
 ### Q9
 - **Category**: conceptual
 - **Question**: What are the valid `permissionMode` values for a subagent?
-- **Options**: A) read, write, admin | B) default, acceptEdits, bypassPermissions, plan, ignore | C) safe, normal, dangerous | D) restricted, standard, elevated
+- **Options**: A) read, write, admin | B) default, acceptEdits, bypassPermissions, plan, dontAsk, auto | C) safe, normal, dangerous | D) restricted, standard, elevated
 - **Correct**: B
-- **Explanation**: Subagents support five permission modes: default (prompts for everything), acceptEdits (auto-accepts file edits), bypassPermissions (skips all), plan (read-only), ignore (auto-denies).
+- **Explanation**: Subagents support six permission modes: default (prompts for everything), acceptEdits (auto-accepts file edits), bypassPermissions (skips all), plan (read-only), dontAsk (auto-denies unless pre-approved), auto (background classifier decides).
 - **Review**: Configuration fields section
 
 ### Q10
@@ -428,10 +428,10 @@
 
 ### Q1
 - **Category**: conceptual
-- **Question**: What are the three types of hooks in Claude Code?
-- **Options**: A) Pre, Post, and Error hooks | B) Command, HTTP, and Prompt hooks | C) Before, After, and Around hooks | D) Input, Output, and Filter hooks
+- **Question**: What are the four types of hooks in Claude Code?
+- **Options**: A) Pre, Post, Error, and Filter hooks | B) Command, HTTP, Prompt, and Agent hooks | C) Before, After, Around, and Through hooks | D) Input, Output, Filter, and Transform hooks
 - **Correct**: B
-- **Explanation**: Command hooks run shell scripts, HTTP hooks call webhook endpoints, and Prompt hooks use LLM evaluation (primarily for Stop/SubagentStop events).
+- **Explanation**: Command hooks run shell scripts, HTTP hooks call webhook endpoints, Prompt hooks use single-turn LLM evaluation, and Agent hooks use subagent-based verification.
 - **Review**: Hook types section
 
 ### Q2
@@ -493,9 +493,9 @@
 ### Q9
 - **Category**: conceptual
 - **Question**: How many hook events does Claude Code support in total?
-- **Options**: A) 6 | B) 10 | C) 16 | D) 20
+- **Options**: A) 10 | B) 16 | C) 25 | D) 30
 - **Correct**: C
-- **Explanation**: Claude Code supports 16 hook events: PreToolUse, PostToolUse, UserPromptSubmit, Stop, SubagentStop, SubagentStart, PermissionRequest, Notification, PreCompact, SessionStart, SessionEnd, WorktreeCreate, WorktreeRemove, ConfigChange, TeammateIdle, TaskCompleted.
+- **Explanation**: Claude Code supports 25 hook events: PreToolUse, PostToolUse, PostToolUseFailure, UserPromptSubmit, Stop, StopFailure, SubagentStop, SubagentStart, PermissionRequest, Notification, PreCompact, PostCompact, SessionStart, SessionEnd, WorktreeCreate, WorktreeRemove, ConfigChange, CwdChanged, FileChanged, TeammateIdle, TaskCompleted, TaskCreated, Elicitation, ElicitationResult, InstructionsLoaded.
 - **Review**: Hook events table
 
 ### Q10
@@ -680,10 +680,10 @@
 
 ### Q1
 - **Category**: conceptual
-- **Question**: What are the five permission modes in Claude Code?
-- **Options**: A) read, write, execute, admin, root | B) default, acceptEdits, plan, dontAsk, bypassPermissions | C) safe, normal, elevated, admin, unrestricted | D) view, edit, run, deploy, full
+- **Question**: What are the six permission modes in Claude Code?
+- **Options**: A) read, write, execute, admin, root, sudo | B) default, acceptEdits, plan, auto, dontAsk, bypassPermissions | C) safe, normal, elevated, admin, unrestricted, god | D) view, edit, run, deploy, full, bypass
 - **Correct**: B
-- **Explanation**: The five modes are: default (prompts for everything), acceptEdits (auto-accepts file edits), plan (read-only analysis), dontAsk (auto-denies unless pre-approved), bypassPermissions (skips all checks).
+- **Explanation**: The six modes are: default (prompts for everything), acceptEdits (auto-accepts file edits), plan (read-only analysis), auto (background classifier decides), dontAsk (auto-denies unless pre-approved), bypassPermissions (skips all checks).
 - **Review**: Permission Modes section
 
 ### Q2

.claude/skills/self-assessment/SKILL.md

@@ -317,7 +317,7 @@ Use these specific recommendations when a topic is a gap:
 - Done when: A hook blocks dangerous commands before execution
 
 **Hooks (score 1 — review)**:
-- Focus on: All 16 hook events, prompt-type hooks for Stop/SubagentStop, component-scoped hooks in SKILL.md frontmatter, HTTP hooks with allowedEnvVars, `CLAUDE_ENV_FILE` for SessionStart
+- Focus on: All 25 hook events (including PostToolUseFailure, StopFailure, TaskCreated, CwdChanged, FileChanged, PostCompact, Elicitation, ElicitationResult), 4 hook types (command, http, prompt, agent), component-scoped hooks in SKILL.md frontmatter, HTTP hooks with allowedEnvVars, `CLAUDE_ENV_FILE` for SessionStart/CwdChanged/FileChanged
 - Done when: You can create a prompt-based Stop hook and a component-scoped hook in a skill
 
 **MCP (score 0)**: