feat: uclaude_updater — automatic client updater

- uclaude_updater.py — auto-detect version, install cli.js, patch settings
- uclaude_update.sh/bat/ps1 — platform wrappers (git pull + run updater)
- patcher.config.json — shared API config
- Updated README with full usage instructions

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

uclaude_update.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+# UClaude Updater — automatic Claude Code patch updater
+# Usage: sudo bash uclaude_update.sh [--check] [--force] [--settings-only]
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+cd "$SCRIPT_DIR"
+
+# Pull latest artifacts
+git pull --quiet 2>/dev/null || true
+
+# Run updater
+if [ "$(id -u)" -eq 0 ]; then
+    python3 uclaude_updater.py "$@"
+else
+    echo "Root privileges required. Re-running with sudo..."
+    sudo python3 uclaude_updater.py "$@"
+fi