add avatar feed database cleanup settings and purge function

src/stores/auth.js

@@ -839,6 +839,7 @@ export const useAuthStore = defineStore('Auth', () => {
      */
     async function loginComplete() {
         await database.initUserTables(userStore.currentUser.id);
+        advancedSettingsStore.runAvatarAutoCleanup(userStore.currentUser.id);
         watchState.isLoggedIn = true;
         AppApi.CheckGameRunning(); // restore state from hot-reload
     }

src/stores/settings/advanced.js

@@ -60,6 +60,8 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
     const showConfirmationOnSwitchAvatar = ref(false);
     const gameLogDisabled = ref(false);
     const sqliteTableSizes = ref({});
+    const avatarAutoCleanup = ref('Off');
+    const purgeInProgress = ref(false);
     const ugcFolderPath = ref('');
     const autoDeleteOldPrints = ref(false);
     const notificationOpacity = ref(100);
@@ -109,6 +111,7 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
             progressPieFilterConfig,
             showConfirmationOnSwitchAvatarConfig,
             gameLogDisabledConfig,
+            avatarAutoCleanupConfig,
             ugcFolderPathConfig,
             autoDeleteOldPrintsConfig,
             notificationOpacityConfig,
@@ -157,6 +160,7 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
                 false
             ),
             configRepository.getBool('VRCX_gameLogDisabled', false),
+            configRepository.getString('VRCX_avatarAutoCleanup', 'Off'),
             configRepository.getString('VRCX_userGeneratedContentPath', ''),
             configRepository.getBool('VRCX_autoDeleteOldPrints', false),
             configRepository.getFloat('VRCX_notificationOpacity', 100),
@@ -203,6 +207,7 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
         showConfirmationOnSwitchAvatar.value =
             showConfirmationOnSwitchAvatarConfig;
         gameLogDisabled.value = gameLogDisabledConfig;
+        avatarAutoCleanup.value = avatarAutoCleanupConfig;
         ugcFolderPath.value = ugcFolderPathConfig;
         autoDeleteOldPrints.value = autoDeleteOldPrintsConfig;
         notificationOpacity.value = notificationOpacityConfig;
@@ -524,6 +529,101 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
         );
     }
 
+    async function setAvatarAutoCleanup(value) {
+        avatarAutoCleanup.value = value;
+        await configRepository.setString('VRCX_avatarAutoCleanup', value);
+    }
+
+    /**
+     * @param {number|null} days - Number of days to keep. Null means delete all.
+     */
+    async function purgeAvatarFeedData(days) {
+        let cutoffDate = null;
+        if (days !== null) {
+            const cutoff = new Date();
+            cutoff.setDate(cutoff.getDate() - days);
+            cutoffDate = cutoff.toJSON();
+        }
+
+        purgeInProgress.value = true;
+        const msgBox = toast.warning(
+            t(
+                'view.settings.advanced.advanced.database_cleanup.purge_in_progress'
+            ),
+            { duration: Infinity }
+        );
+
+        try {
+            await database.purgeAvatarFeedData(cutoffDate);
+            await database.vacuum();
+            toast.dismiss(msgBox);
+            toast.success(
+                t(
+                    'view.settings.advanced.advanced.database_cleanup.purge_complete'
+                )
+            );
+            // Brief delay before restart to show success message
+            await new Promise((resolve) =>
+                setTimeout(resolve, 1500)
+            );
+            VRCXUpdaterStore.restartVRCX(false);
+        } catch (err) {
+            console.error(err);
+            toast.dismiss(msgBox);
+            toast.error(t('view.settings.advanced.advanced.database_cleanup.purge_failed', { error: err }));
+        } finally {
+            purgeInProgress.value = false;
+        }
+    }
+
+    /**
+     * Run auto-cleanup on startup if configured and enough time has passed.
+     * Reads config directly from configRepository to avoid race condition
+     * with initAdvancedSettings not having completed yet.
+     * @param {string} userId - Current user ID for per-user cleanup tracking.
+     */
+    async function runAvatarAutoCleanup(userId) {
+        const cleanupSetting = await configRepository.getString(
+            'VRCX_avatarAutoCleanup',
+            'Off'
+        );
+        if (cleanupSetting === 'Off') return;
+
+        const configKey = `VRCX_lastAvatarCleanupDate_${userId}`;
+        const lastCleanupStr = await configRepository.getString(
+            configKey,
+            ''
+        );
+        const now = new Date();
+
+        if (lastCleanupStr) {
+            const lastCleanup = new Date(lastCleanupStr);
+            const daysSinceLastCleanup =
+                (now - lastCleanup) / (1000 * 60 * 60 * 24);
+            if (daysSinceLastCleanup < 7) return;
+        }
+
+        const days = parseInt(cleanupSetting, 10);
+        if (isNaN(days) || days <= 0) return;
+
+        const cutoff = new Date();
+        cutoff.setDate(cutoff.getDate() - days);
+        const cutoffDate = cutoff.toJSON();
+
+        try {
+            await database.purgeAvatarFeedData(cutoffDate);
+            await configRepository.setString(
+                configKey,
+                now.toJSON()
+            );
+            console.log(
+                `Auto-cleaned avatar feed data older than ${days} days`
+            );
+        } catch (err) {
+            console.error('Avatar auto-cleanup failed:', err);
+        }
+    }
+
     async function setSaveInstanceEmoji() {
         saveInstanceEmoji.value = !saveInstanceEmoji.value;
         await configRepository.setBool(
@@ -1030,6 +1130,8 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
         showConfirmationOnSwitchAvatar,
         gameLogDisabled,
         sqliteTableSizes,
+        avatarAutoCleanup,
+        purgeInProgress,
         ugcFolderPath,
         currentUserInventory,
         autoDeleteOldPrints,
@@ -1069,6 +1171,9 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
         setProgressPieFilter,
         setShowConfirmationOnSwitchAvatar,
         setGameLogDisabled,
+        setAvatarAutoCleanup,
+        purgeAvatarFeedData,
+        runAvatarAutoCleanup,
         setUGCFolderPath,
         cropPrintsChanged,
         setAutoDeleteOldPrints,