Merge remote changes with local modifications

- Add docx and html2pdf.js export functionality (from remote)
- Update backend with new API endpoints
- Sync local configuration changes

src/stores/settings.js

@@ -18,11 +18,9 @@ export const useSettingsStore = defineStore('settings', () => {
     // 4. Preferences
     const language = ref('auto')
     const currency = ref('auto')
-    // const timezone = ref('auto') // removed
 
     // 5. Background
     const backgroundType = ref('default') // 'default' | 'warm' | 'reading' | 'image'
-    // const backgroundColor = ref('#ffffff') // removed
     const backgroundImage = ref('')
     const backgroundOpacity = ref(0.2) // 0.05 - 0.50
 
@@ -61,13 +59,10 @@ export const useSettingsStore = defineStore('settings', () => {
                 if (typeof data.privacyMode === 'boolean') privacyMode.value = data.privacyMode
                 if (data.language) language.value = data.language
                 if (data.currency) currency.value = data.currency
-                // if (data.timezone) timezone.value = data.timezone // timezone legacy ignore
                 if (data.backgroundType) {
-                    // migrate color to default if needed, or mapped
                     if (data.backgroundType === 'color') backgroundType.value = 'default'
                     else backgroundType.value = data.backgroundType
                 }
-                // if (data.backgroundColor) backgroundColor.value = data.backgroundColor // removed
                 if (data.backgroundImage) backgroundImage.value = data.backgroundImage
                 if (data.backgroundOpacity) backgroundOpacity.value = data.backgroundOpacity
             }
@@ -86,9 +81,7 @@ export const useSettingsStore = defineStore('settings', () => {
                 privacyMode: privacyMode.value,
                 language: language.value,
                 currency: currency.value,
-                // timezone: timezone.value, // removed
                 backgroundType: backgroundType.value,
-                // backgroundColor: backgroundColor.value, // removed
                 backgroundImage: backgroundImage.value,
                 backgroundOpacity: backgroundOpacity.value,
             }
@@ -106,9 +99,7 @@ export const useSettingsStore = defineStore('settings', () => {
         privacyMode.value = false
         language.value = 'auto'
         currency.value = 'auto'
-        // timezone.value = 'auto' // removed
         backgroundType.value = 'default'
-        // backgroundColor.value = '#ffffff' // removed
         backgroundImage.value = ''
         backgroundOpacity.value = 0.2
         saveSettings()
@@ -123,9 +114,7 @@ export const useSettingsStore = defineStore('settings', () => {
             privacyMode,
             language,
             currency,
-            // timezone, // removed
             backgroundType,
-            // backgroundColor, // removed
             backgroundImage,
             backgroundOpacity,
         ],
@@ -144,9 +133,7 @@ export const useSettingsStore = defineStore('settings', () => {
         privacyMode,
         language,
         currency,
-        // timezone, // removed
         backgroundType,
-        // backgroundColor, // removed
         backgroundImage,
         backgroundOpacity,
         uiLanguage,