feat(frontend): 实现新手引导功能

- 添加 Guide 组件和引导步骤配置
- 实现 useOnboardingTour 和 useTourStepDescription composables
- 添加 onboarding store 管理引导状态
- 更新多个视图和组件以支持引导功能
- 添加国际化支持（中英文）
- 删除旧的实现指南文档

frontend/src/stores/index.ts

@@ -6,6 +6,7 @@
 export { useAuthStore } from './auth'
 export { useAppStore } from './app'
 export { useSubscriptionStore } from './subscriptions'
+export { useOnboardingStore } from './onboarding'
 
 // Re-export types for convenience
 export type { User, LoginRequest, RegisterRequest, AuthResponse } from '@/types'

frontend/src/stores/onboarding.ts

@@ -0,0 +1,88 @@
+/**
+ * Onboarding Store
+ * Manages onboarding tour state and control methods
+ */
+
+import { defineStore } from 'pinia'
+import { markRaw, ref, shallowRef } from 'vue'
+import type { Driver } from 'driver.js'
+
+type VoidCallback = () => void
+type NextStepCallback = (delay?: number) => Promise<void>
+type IsCurrentStepCallback = (selector: string) => boolean
+
+export const useOnboardingStore = defineStore('onboarding', () => {
+  const replayCallback = ref<VoidCallback | null>(null)
+  const nextStepCallback = ref<NextStepCallback | null>(null)
+  const isCurrentStepCallback = ref<IsCurrentStepCallback | null>(null)
+
+  // 全局 driver 实例，跨组件保持
+  const driverInstance = shallowRef<Driver | null>(null)
+
+  function setReplayCallback(callback: VoidCallback | null): void {
+    replayCallback.value = callback
+  }
+
+  function setControlMethods(methods: {
+    nextStep: NextStepCallback,
+    isCurrentStep: IsCurrentStepCallback
+  }): void {
+    nextStepCallback.value = methods.nextStep
+    isCurrentStepCallback.value = methods.isCurrentStep
+  }
+
+  function clearControlMethods(): void {
+    nextStepCallback.value = null
+    isCurrentStepCallback.value = null
+  }
+
+  function setDriverInstance(driver: Driver | null): void {
+    driverInstance.value = driver ? markRaw(driver) : null
+  }
+
+  function getDriverInstance(): Driver | null {
+    return driverInstance.value
+  }
+
+  function isDriverActive(): boolean {
+    return driverInstance.value?.isActive?.() ?? false
+  }
+
+  function replay(): void {
+    if (replayCallback.value) {
+      replayCallback.value()
+    }
+  }
+
+  /**
+   * Manually advance to the next step
+   * @param delay Optional delay in ms (useful for waiting for animations)
+   */
+  async function nextStep(delay = 0): Promise<void> {
+    if (nextStepCallback.value) {
+      await nextStepCallback.value(delay)
+    }
+  }
+
+  /**
+   * Check if the tour is currently highlighting a specific element
+   */
+  function isCurrentStep(selector: string): boolean {
+    if (isCurrentStepCallback.value) {
+      return isCurrentStepCallback.value(selector)
+    }
+    return false
+  }
+
+  return {
+    setReplayCallback,
+    setControlMethods,
+    clearControlMethods,
+    setDriverInstance,
+    getDriverInstance,
+    isDriverActive,
+    replay,
+    nextStep,
+    isCurrentStep
+  }
+})