优化: CR-08 i18n batch2全量(ProjectDetail5处+TaskDetail16key+AiChat3处+store error fallback 23处+useAiSend 3处)+@/i18n路径统一+vite别名

src/i18n/en/ai.ts

@@ -12,5 +12,7 @@ export default {
     errorNetwork: 'Network connection failed. Please check your network.',
     streamInterruptedAfterTool: '⚠ The tool finished, but the following reply was interrupted (no data stream for a long time). You can click Continue to retry.',
     streamInterrupted: '⚠ The response was interrupted (no data stream for a long time). This may be due to a network disconnection or a backend error. Please try again.',
+    queueFull: 'Send queue is full (max {limit} items)',
+    approvalNotDelivered: 'Approval operation failed to reach the backend: {error}',
   },
 }

src/i18n/en/aiChat.ts

@@ -60,5 +60,8 @@ export default {
 
     // ── Confirm dialog ──
     confirmDeleteConversation: 'Delete chat "{title}"? This cannot be undone.',
+    clearChat: 'Clear',
+    confirmClearChat: 'Are you sure you want to clear all messages in this chat? This cannot be undone.',
+    toastSendFail: 'Send failed: {msg}',
   },
 }

src/i18n/en/ideas.ts

@@ -76,5 +76,11 @@ export default {
     confirmDelete: 'Delete idea "{title}"? This cannot be undone.',
     promoteFailed: 'Promotion failed',
     evalFailed: 'Evaluation failed',
+    // Error fallbacks (user-visible via state.error)
+    err: {
+      loadFailed: 'Failed to load ideas',
+      createFailed: 'Failed to create idea',
+      deleteFailed: 'Failed to delete idea',
+    },
   },
 }

src/i18n/en/knowledge.ts

@@ -74,5 +74,17 @@ export default {
       deployment_note: 'Deployment Note',
       workflow_optimization: 'Workflow Optimization',
     },
+    // Error fallbacks (user-visible via state.error)
+    err: {
+      loadFailed: 'Failed to load knowledge base',
+      loadInboxFailed: 'Failed to load inbox',
+      searchFailed: 'Search failed',
+      createFailed: 'Failed to create knowledge',
+      updateStatusFailed: 'Failed to update status',
+      archiveFailed: 'Failed to archive',
+      loadConfigFailed: 'Failed to load config',
+      saveConfigFailed: 'Failed to save config',
+      extractFailed: 'Extraction failed',
+    },
   },
 }

src/i18n/en/projectDetail.ts

@@ -55,6 +55,14 @@ export default {
     relocateConfirmRelocate: 'Relocate project directory to:\n{dir}\n\nTech stack will be re-detected. Confirm?',
     relocateConfirmBind: 'Bind project directory to:\n{dir}\n\nTech stack will be re-detected. Confirm?',
     relocateFailed: 'Relocate failed: {msg}',
+    // Import directory
+    importDir: 'Import Directory',
+    importConfirm: 'Import as new project?\n{dir}\n\nThe directory name will be used as project name, tech stack will be detected, and README first section will fill description.',
+    importSuccess: 'Imported project "{name}"',
+    importFailed: 'Import failed: {msg}',
+    // Approval actions
+    approvalConfirm: 'Confirm ({count})',
+    approvalCancel: 'Cancel',
     // Tech stack
     techStackLabel: 'Tech Stack',
   },

src/i18n/en/projects.ts

@@ -45,5 +45,16 @@ export default {
       cancelled: '❌ Cancelled',
       active: '🚀 In Progress',
     },
+    // Error fallbacks (user-visible via state.error)
+    err: {
+      loadFailed: 'Failed to load projects',
+      createFailed: 'Failed to create project',
+      importFailed: 'Failed to import project',
+      deleteFailed: 'Failed to delete project',
+      loadTrashFailed: 'Failed to load trash',
+      restoreFailed: 'Failed to restore project',
+      purgeFailed: 'Failed to delete permanently',
+      loadWorkflowFailed: 'Failed to load workflow records',
+    },
   },
 }

src/i18n/en/taskDetail.ts

@@ -0,0 +1,24 @@
+export default {
+  taskDetail: {
+    // Header
+    backToList: '← Back to Tasks',
+    refresh: 'Refresh',
+    // Status hints
+    loading: 'Loading...',
+    loadFailed: 'Failed to load',
+    // Panel
+    infoTitle: 'Task Info',
+    // Field labels
+    title: 'Title',
+    description: 'Description',
+    status: 'Status',
+    priority: 'Priority',
+    project: 'Project',
+    branch: 'Branch',
+    assignee: 'Assignee',
+    baseBranch: 'Base Branch',
+    workflowDef: 'Workflow Definition',
+    createdAt: 'Created At',
+    updatedAt: 'Updated At',
+  },
+}

src/i18n/en/tasks.ts

@@ -52,5 +52,11 @@ export default {
       merged: '✅ Merged',
       abandoned: '🗑️ Abandoned',
     },
+    // Error fallbacks (user-visible via state.error)
+    err: {
+      loadFailed: 'Failed to load tasks',
+      createFailed: 'Failed to create task',
+      deleteFailed: 'Failed to delete task',
+    },
   },
 }