docs: update Claude Code releases to v2.1.37

- Update latest tracked version: v2.1.33 → v2.1.37
- v2.1.36: Fast mode now available for Opus 4.6
- v2.1.34: Security fix for sandbox-excluded commands bypass
- v2.1.37: Fixed /fast availability after /extra-usage
- Fix reference.yaml line numbers for architecture.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

CHANGELOG.md

@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+### Documentation
+
+- **Claude Code Releases**: Updated tracking v2.1.33 → v2.1.37
+  - v2.1.37: Fixed /fast availability after /extra-usage
+  - v2.1.36: Fast mode now available for Opus 4.6
+  - v2.1.34: Security fix for sandbox-excluded commands bypass + agent teams crash fix
+
 ### Added
 
 - **Slash Commands**: `/audit-agents-skills` command for quality auditing of agents, skills, and commands

guide/claude-code-releases.md

@@ -4,13 +4,13 @@
 > **Full details**: [github.com/anthropics/claude-code/CHANGELOG.md](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md)
 > **Machine-readable**: [claude-code-releases.yaml](../machine-readable/claude-code-releases.yaml)
 
-**Latest**: v2.1.33 | **Updated**: 2026-02-06
+**Latest**: v2.1.37 | **Updated**: 2026-02-08
 
 ---
 
 ## Quick Jump
 
-- [2.1.x Series (January-February 2026)](#21x-series-january-february-2026) — PDF pages support, /debug command, PR session linking, Task management
+- [2.1.x Series (January-February 2026)](#21x-series-january-february-2026) — Fast mode Opus 4.6, PDF pages support, /debug command, Task management
 - [2.0.x Series (Nov 2025 - Jan 2026)](#20x-series-november-2025---january-2026) — Opus 4.5, Claude in Chrome, Background agents
 - [Breaking Changes Summary](#breaking-changes-summary)
 - [Milestone Features](#milestone-features)
@@ -19,6 +19,19 @@
 
 ## 2.1.x Series (January-February 2026)
 
+### v2.1.37 (2026-02-08)
+
+- Fixed `/fast` not immediately available after enabling `/extra-usage`
+
+### v2.1.36 (2026-02-08) ⭐
+
+- ⭐ **Fast mode now available for Opus 4.6** — Same model, faster output. Toggle with `/fast`. [Learn more](https://code.claude.com/docs/en/fast-mode)
+
+### v2.1.34 (2026-02-07)
+
+- Fixed a crash when agent teams setting changed between renders
+- **Security fix**: Commands excluded from sandboxing (via `sandbox.excludedCommands` or `dangerouslyDisableSandbox`) could bypass the Bash ask permission rule when `autoAllowBashIfSandboxed` was enabled
+
 ### v2.1.33 (2026-02-06)
 
 **Highlights**:

machine-readable/claude-code-releases.yaml

@@ -3,8 +3,8 @@
 # Purpose: Track Claude Code product releases for documentation sync
 # Maintained: Manual updates when new releases are announced
 
-latest: "2.1.33"
-updated: "2026-02-06"
+latest: "2.1.37"
+updated: "2026-02-08"
 
 # ════════════════════════════════════════════════════════════════
 # RELEASES (newest first, condensed highlights only)
@@ -15,6 +15,26 @@ releases:
   # 2.1.x Series (January-February 2026)
   # ─────────────────────────────────────────────────────────────
 
+  - version: "2.1.37"
+    date: "2026-02-08"
+    highlights:
+      - "Fixed /fast not immediately available after enabling /extra-usage"
+    breaking: []
+
+  - version: "2.1.36"
+    date: "2026-02-08"
+    highlights:
+      - "⭐ Fast mode now available for Opus 4.6"
+    breaking: []
+
+  - version: "2.1.34"
+    date: "2026-02-07"
+    highlights:
+      - "Fixed crash when agent teams setting changed between renders"
+      - "Security fix: Sandbox-excluded commands could bypass Bash ask permission"
+    breaking:
+      - "Security fix: sandbox.excludedCommands / dangerouslyDisableSandbox bypass with autoAllowBashIfSandboxed"
+
   - version: "2.1.33"
     date: "2026-02-06"
     highlights:
@@ -505,6 +525,7 @@ breaking_summary:
     - "Command injection fix in bash processing (v2.1.2)"
     - "Wildcard permission rules compound commands fix (v2.1.7)"
     - "Shell line continuation permission bypass fix (v2.1.6)"
+    - "Sandbox-excluded commands bypass with autoAllowBashIfSandboxed (v2.1.34)"
   installation:
     - "npm installations deprecated - use native installer (v2.1.15)"
   behavior:
@@ -516,6 +537,7 @@ breaking_summary:
 # MILESTONE FEATURES (quick reference)
 # ════════════════════════════════════════════════════════════════
 milestones:
+  "2.1.36": "Fast mode for Opus 4.6"
   "2.1.32": "Opus 4.6, Agent teams preview, Automatic memory"
   "2.1.18": "Customizable keyboard shortcuts with /keybindings"
   "2.1.16": "New task management system with dependency tracking"

machine-readable/reference.yaml

@@ -197,20 +197,20 @@ deep_dive:
   visual_reference: "guide/visual-reference.md"
   # Architecture internals (guide/architecture.md)
   architecture_visual_overview: "guide/architecture.md:41"
-  architecture_visual_source: "https://www.linkedin.com/posts/mohamed-ali-ben-salem-2b777b9a_en-ce-moment-je-vois-passer-des-posts-du-activity-74205921491103.23.1-eY5a"
+  architecture_visual_source: "https://www.linkedin.com/posts/mohamed-ali-ben-salem-2b777b9a_en-ce-moment-je-vois-passer-des-posts-du-activity-7420592149110362112-eY5a"
   architecture_master_loop: "guide/architecture.md:72"
-  architecture_tools: "guide/architecture.md:155"
-  architecture_context: "guide/architecture.md:208"
-  architecture_subagents: "guide/architecture.md:315"
-  architecture_permissions: "guide/architecture.md:385"
-  architecture_mcp: "guide/architecture.md:506"
+  architecture_tools: "guide/architecture.md:213"
+  architecture_context: "guide/architecture.md:306"
+  architecture_subagents: "guide/architecture.md:444"
+  architecture_permissions: "guide/architecture.md:514"
+  architecture_mcp: "guide/architecture.md:719"
   architecture_mcp_visual: "guide/images/mcp-architecture-diagram.svg"
-  architecture_philosophy: "guide/architecture.md:746"
+  architecture_philosophy: "guide/architecture.md:1177"
   # System Prompts (Official Sources) - Added 2026-01-26
   system_prompts_official: "https://platform.claude.com/docs/en/release-notes/system-prompts"
   system_prompts_willison_analysis: "https://simonwillison.net/2025/May/25/claude-4-system-prompt/"
   system_prompts_prompthub: "https://www.prompthub.us/blog/an-analysis-of-the-claude-4-system-prompt"
-  system_prompts_architecture: "guide/architecture.md:299"
+  system_prompts_architecture: "guide/architecture.md:354"
   # MCP Apps Extension (SEP-1865) - Added 2026-01-27
   mcp_apps_architecture: "guide/architecture.md:656"
   mcp_apps_evolution: "guide/ultimate-guide.md:6509"