refactor: 统一项目名称从OpenFang到ZCLAW

重构所有代码和文档中的项目名称，将OpenFang统一更新为ZCLAW。包括：
- 配置文件中的项目名称
- 代码注释和文档引用
- 环境变量和路径
- 类型定义和接口名称
- 测试用例和模拟数据

同时优化部分代码结构，移除未使用的模块，并更新相关依赖项。

start.ps1

@@ -3,7 +3,7 @@
 
 param(
     [switch]$NoBrowser,      # Skip ChromeDriver
-    [switch]$NoGateway,      # Skip OpenFang gateway
+    [switch]$NoGateway,      # Skip ZCLAW gateway
     [switch]$Dev,            # Start in development mode (with hot reload)
     [switch]$Help
 )
@@ -24,7 +24,7 @@ Usage: .\start.ps1 [options]
 
 Options:
     -NoBrowser    Skip starting ChromeDriver
-    -NoGateway    Skip starting OpenFang gateway
+    -NoGateway    Skip starting ZCLAW gateway
     -Dev          Start in development mode with hot reload
     -Help         Show this help message
 
@@ -38,7 +38,7 @@ Examples:
 
 Write-Host ""
 Write-Host "═══════════════════════════════════════════" -ForegroundColor Magenta
-Write-Host "   🦞 ZCLAW - OpenFang Desktop Client" -ForegroundColor Magenta
+Write-Host "   🦞 ZCLAW - AI Agent Desktop Client" -ForegroundColor Magenta
 Write-Host "═══════════════════════════════════════════" -ForegroundColor Magenta
 Write-Host ""
 
@@ -93,9 +93,9 @@ if (-not $NoBrowser) {
 
 Write-Host ""
 
-# 2. Check/OpenFang Gateway
+# 2. Check/ZCLAW Gateway
 if (-not $NoGateway) {
-    Write-Info "Checking OpenFang Gateway..."
+    Write-Info "Checking ZCLAW Gateway..."
 
     # Check if already running
     $gatewayRunning = $false
@@ -103,18 +103,18 @@ if (-not $NoGateway) {
         $response = Invoke-WebRequest -Uri "http://127.0.0.1:4200/health" -TimeoutSec 2 -ErrorAction SilentlyContinue
         if ($response.StatusCode -eq 200) {
             $gatewayRunning = $true
-            Write-Success "OpenFang Gateway already running on port 4200"
+            Write-Success "ZCLAW Gateway already running on port 4200"
         }
     } catch {
         # Not running
     }
 
     if (-not $gatewayRunning) {
-        # Try to start OpenFang
-        $openfang = Get-Command openfang -ErrorAction SilentlyContinue
-        if ($openfang) {
-            Write-Info "Starting OpenFang Gateway..."
-            $gatewayProc = Start-Process -FilePath "openfang" -ArgumentList "gateway", "start" -PassThru
+        # Try to start ZCLAW
+        $zclaw = Get-Command zclaw -ErrorAction SilentlyContinue
+        if ($zclaw) {
+            Write-Info "Starting ZCLAW Gateway..."
+            $gatewayProc = Start-Process -FilePath "zclaw" -ArgumentList "gateway", "start" -PassThru
             $startedProcesses += $gatewayProc
 
             # Wait for gateway to start
@@ -125,7 +125,7 @@ if (-not $NoGateway) {
                 try {
                     $response = Invoke-WebRequest -Uri "http://127.0.0.1:4200/health" -TimeoutSec 1 -ErrorAction SilentlyContinue
                     if ($response.StatusCode -eq 200) {
-                        Write-Success "OpenFang Gateway started on port 4200"
+                        Write-Success "ZCLAW Gateway started on port 4200"
                         break
                     }
                 } catch {}
@@ -139,12 +139,12 @@ if (-not $NoGateway) {
                 Write-Warn "Gateway did not respond within ${maxWait}s. Check logs."
             }
         } else {
-            Write-Warn "OpenFang CLI not found. Gateway not started."
-            Write-Info "Install OpenFang: https://github.com/openfang/openfang"
+            Write-Warn "ZCLAW CLI not found. Gateway not started."
+            Write-Info "Install ZCLAW: https://github.com/RightNow-AI/zclaw"
         }
     }
 } else {
-    Write-Info "Skipping OpenFang Gateway (-NoGateway)"
+    Write-Info "Skipping ZCLAW Gateway (-NoGateway)"
 }
 
 Write-Host ""