add: bili-toy-sdk cloud save support

src/features/bili-toy.js

@@ -0,0 +1,50 @@
+async function loadSDK(sdk) {
+    const script = document.createElement('script')
+    script.src = sdk
+    script.async = true
+    document.body.appendChild(script)
+    return new Promise((resolve, reject) => {
+        script.onload = () => {
+            resolve()
+        }
+        script.onerror = () => {
+            reject(new Error('Failed to load SDK'))
+        }
+    })
+}
+
+export default async function init(options) {
+    try {
+        await loadSDK(options.sdk)
+    } catch (error) {
+        console.error('Failed to load Bili Toy SDK:', error)
+        return
+    }
+    if (!(await toy.isSupport('getCloudStorage'))) return
+    if (!(await toy.isSupport('setCloudStorage'))) return
+    if (!(await toy.isSupport('removeCloudStorage'))) return
+    syncUnique()
+    syncProps()
+}
+
+async function syncUnique() {
+    if (core.sync('unique')) return
+    const data = await toy.getCloudStorage(['unique'])
+    if (data?.unique) {
+        core.sync('unique', data?.unique)
+    } else {
+        $$on('syncUnique', unique => toy.setCloudStorage({ unique }))
+    }
+}
+
+async function syncProps() {
+    const sync = async () => {
+        const changed = core.sync('props')
+        if (!changed) return
+        const cloudData = await toy.getCloudStorage(['props'])
+        const props = core.sync('props', cloudData?.props ?? '{}')
+        await toy.setCloudStorage({ props })
+    }
+    await sync()
+    setInterval(sync, 10000)
+}