feat(phase-03): build OpenClaude CLI + provider config + launchers

scripts/start_openclaude.bat

@@ -0,0 +1,16 @@
+@echo off
+title OpenClaude CLI (Variet Engine)
+echo ============================================
+echo   OpenClaude CLI - Variet Engine Connection
+echo ============================================
+echo.
+
+REM Set provider for Variet Engine
+set CLAUDE_CODE_USE_OPENAI=1
+set OPENAI_BASE_URL=http://192.168.10.4:8000/v1
+set OPENAI_API_KEY=variet-local
+set OPENAI_MODEL=gemma-4-26b
+
+REM Launch OpenClaude
+cd /d "%~dp0..\openclaude"
+node dist/cli.mjs %*

scripts/start_openclaude.ps1

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+# OpenClaude CLI Launcher (Variet Engine)
+# Usage: .\scripts\start_openclaude.ps1 [args...]
+
+$env:CLAUDE_CODE_USE_OPENAI = "1"
+$env:OPENAI_BASE_URL = "http://192.168.10.4:8000/v1"
+$env:OPENAI_API_KEY = "variet-local"
+$env:OPENAI_MODEL = "gemma-4-26b"
+
+Push-Location "$PSScriptRoot\..\openclaude"
+try {
+    node dist/cli.mjs @args
+} finally {
+    Pop-Location
+}