feat: enhance internationalization support and improve GPU mode selector with Python environment checks

ccw/src/templates/dashboard-js/i18n.js

@@ -1734,7 +1734,9 @@ const i18n = {
     'discovery.title': 'Issue Discovery',
     'discovery.description': 'Discover potential issues from multiple perspectives',
     'discovery.noSessions': 'No discovery sessions',
+    'discovery.noDiscoveries': 'No discoveries yet',
     'discovery.runHint': 'Run /issue:discover to start discovering issues',
+    'discovery.runCommand': 'Run /issue:discover to start discovering issues',
     'discovery.sessions': 'Sessions',
     'discovery.findings': 'Findings',
     'discovery.phase': 'Phase',
@@ -1769,10 +1771,18 @@ const i18n = {
     'discovery.confidence': 'Confidence',
     'discovery.suggestedIssue': 'Suggested Issue',
     'discovery.externalRef': 'External Reference',
-    'discovery.noFindings': 'No findings in this session',
+    'discovery.noFindings': 'No findings match your filters',
     'discovery.filterPerspective': 'Filter by Perspective',
     'discovery.filterPriority': 'Filter by Priority',
     'discovery.filterAll': 'All',
+    'discovery.allPerspectives': 'All Perspectives',
+    'discovery.allPriorities': 'All Priorities',
+    'discovery.selectFinding': 'Select a finding to preview',
+    'discovery.location': 'Location',
+    'discovery.code': 'Code',
+    'discovery.impact': 'Impact',
+    'discovery.recommendation': 'Recommendation',
+    'discovery.exportAsIssues': 'Export as Issues',
     'discovery.deleteSession': 'Delete Session',
     'discovery.confirmDelete': 'Are you sure you want to delete this discovery session?',
     'discovery.deleted': 'Discovery session deleted',
@@ -3649,7 +3659,9 @@ const i18n = {
     'discovery.title': '议题发现',
     'discovery.description': '从多个视角发现潜在问题',
     'discovery.noSessions': '暂无发现会话',
+    'discovery.noDiscoveries': '暂无发现',
     'discovery.runHint': '运行 /issue:discover 开始发现问题',
+    'discovery.runCommand': '运行 /issue:discover 开始发现问题',
     'discovery.sessions': '会话',
     'discovery.findings': '发现',
     'discovery.phase': '阶段',
@@ -3684,10 +3696,18 @@ const i18n = {
     'discovery.confidence': '置信度',
     'discovery.suggestedIssue': '建议议题',
     'discovery.externalRef': '外部参考',
-    'discovery.noFindings': '此会话暂无发现',
+    'discovery.noFindings': '没有匹配的发现',
     'discovery.filterPerspective': '按视角筛选',
     'discovery.filterPriority': '按优先级筛选',
     'discovery.filterAll': '全部',
+    'discovery.allPerspectives': '所有视角',
+    'discovery.allPriorities': '所有优先级',
+    'discovery.selectFinding': '选择一个发现以预览',
+    'discovery.location': '位置',
+    'discovery.code': '代码',
+    'discovery.impact': '影响',
+    'discovery.recommendation': '建议',
+    'discovery.exportAsIssues': '导出为议题',
     'discovery.deleteSession': '删除会话',
     'discovery.confirmDelete': '确定要删除此发现会话吗？',
     'discovery.deleted': '发现会话已删除',

ccw/src/templates/dashboard-js/views/codexlens-manager.js

@@ -446,6 +446,12 @@ async function loadSemanticDepsStatus() {
  * Build GPU mode selector HTML
  */
 function buildGpuModeSelector(gpuInfo) {
+  // Check if DirectML is unavailable due to Python environment
+  var directmlUnavailableReason = null;
+  if (!gpuInfo.available.includes('directml') && gpuInfo.pythonEnv && gpuInfo.pythonEnv.error) {
+    directmlUnavailableReason = gpuInfo.pythonEnv.error;
+  }
+
   var modes = [
     {
       id: 'cpu',
@@ -457,10 +463,13 @@ function buildGpuModeSelector(gpuInfo) {
     {
       id: 'directml',
       label: 'DirectML',
-      desc: t('codexlens.directmlModeDesc') || 'Windows GPU (NVIDIA/AMD/Intel)',
+      desc: directmlUnavailableReason
+        ? directmlUnavailableReason
+        : (t('codexlens.directmlModeDesc') || 'Windows GPU (NVIDIA/AMD/Intel)'),
       icon: 'cpu',
       available: gpuInfo.available.includes('directml'),
-      recommended: gpuInfo.mode === 'directml'
+      recommended: gpuInfo.mode === 'directml',
+      warning: directmlUnavailableReason
     },
     {
       id: 'cuda',
@@ -487,6 +496,7 @@ function buildGpuModeSelector(gpuInfo) {
     var isDisabled = !mode.available;
     var isRecommended = mode.recommended;
     var isDefault = mode.id === gpuInfo.mode;
+    var hasWarning = mode.warning;
 
     html +=
       '<label class="flex items-center gap-3 p-2 rounded border cursor-pointer hover:bg-muted/50 transition-colors ' +
@@ -502,7 +512,7 @@ function buildGpuModeSelector(gpuInfo) {
             (isRecommended ? '<span class="text-xs bg-primary/20 text-primary px-1.5 py-0.5 rounded">' + (t('common.recommended') || 'Recommended') + '</span>' : '') +
             (isDisabled ? '<span class="text-xs text-muted-foreground">(' + (t('common.unavailable') || 'Unavailable') + ')</span>' : '') +
           '</div>' +
-          '<div class="text-xs text-muted-foreground">' + mode.desc + '</div>' +
+          '<div class="text-xs ' + (hasWarning ? 'text-warning' : 'text-muted-foreground') + '">' + mode.desc + '</div>' +
         '</div>' +
       '</label>';
   });