chore: bump version to 2.9.3

- Add CHANGELOG entry for LLM Reference section and Learning Mode docs
- Update version in README.md and claude-code-reference.yaml

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -6,6 +6,31 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+## [2.9.3] - 2026-01-12
+
+### Added
+- **README.md** - LLM Reference section with curl one-liner
+  - New row in "Not Sure Where to Start?" table
+  - `🤖 LLM Reference` section with instant curl command
+  - Use cases: ChatGPT/Claude/Gemini context, system prompts, `@` reference
+  - Clarification that YAML points to line numbers in full guide for deep dives
+- **english-ultimate-claude-code-guide.md** - Learning Mode documentation (~136 lines)
+  - SuperClaude Behavioral Modes overview table
+  - Complete Learning Mode installation guide (4 steps)
+  - Usage examples with `--learn`, `--learn focus:X`, `--learn batch` flags
+  - Offer format examples (standard and token-efficient)
+  - Integration matrix with other modes
+  - Priority rules and example session
+- **claude-code-reference.yaml** - Learning mode additions
+  - `deep_dive` refs: superclaude_modes, learning_mode
+  - `decide` section: learning flag
+  - `cli` section: --learn, --learn focus:X, --no-learn flags
+
+### Stats
+- 3 files modified (README.md, english-ultimate-claude-code-guide.md, claude-code-reference.yaml)
+- ~150 lines added across files
+- Focus on LLM context sharing and SuperClaude Learning Mode documentation
+
 ## [2.9.2] - 2026-01-12
 
 ### Added

README.md

@@ -329,7 +329,7 @@ If this guide saved you time, helped you master Claude Code, or inspired your wo
 
 ---
 
-*Version 2.9.2 | January 2026 | Crafted with Claude*
+*Version 2.9.3 | January 2026 | Crafted with Claude*
 
 <!-- SEO Keywords -->
 <!-- claude code, claude code tutorial, anthropic cli, ai coding assistant, claude code mcp,

claude-code-reference.yaml

@@ -3,7 +3,7 @@
 # Source: english-ultimate-claude-code-guide.md
 # Purpose: Condensed index for LLMs to quickly answer user questions about Claude Code
 
-version: "2.9.2"
+version: "2.9.3"
 updated: "2026-01"
 
 # ════════════════════════════════════════════════════════════════