fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/@smithy/hash-stream-node/dist-cjs/index.js

@@ -0,0 +1,67 @@
+'use strict';
+
+var fs = require('fs');
+var utilUtf8 = require('@smithy/util-utf8');
+var stream = require('stream');
+
+class HashCalculator extends stream.Writable {
+    hash;
+    constructor(hash, options) {
+        super(options);
+        this.hash = hash;
+    }
+    _write(chunk, encoding, callback) {
+        try {
+            this.hash.update(utilUtf8.toUint8Array(chunk));
+        }
+        catch (err) {
+            return callback(err);
+        }
+        callback();
+    }
+}
+
+const fileStreamHasher = (hashCtor, fileStream) => new Promise((resolve, reject) => {
+    if (!isReadStream(fileStream)) {
+        reject(new Error("Unable to calculate hash for non-file streams."));
+        return;
+    }
+    const fileStreamTee = fs.createReadStream(fileStream.path, {
+        start: fileStream.start,
+        end: fileStream.end,
+    });
+    const hash = new hashCtor();
+    const hashCalculator = new HashCalculator(hash);
+    fileStreamTee.pipe(hashCalculator);
+    fileStreamTee.on("error", (err) => {
+        hashCalculator.end();
+        reject(err);
+    });
+    hashCalculator.on("error", reject);
+    hashCalculator.on("finish", function () {
+        hash.digest().then(resolve).catch(reject);
+    });
+});
+const isReadStream = (stream) => typeof stream.path === "string";
+
+const readableStreamHasher = (hashCtor, readableStream) => {
+    if (readableStream.readableFlowing !== null) {
+        throw new Error("Unable to calculate hash for flowing readable stream");
+    }
+    const hash = new hashCtor();
+    const hashCalculator = new HashCalculator(hash);
+    readableStream.pipe(hashCalculator);
+    return new Promise((resolve, reject) => {
+        readableStream.on("error", (err) => {
+            hashCalculator.end();
+            reject(err);
+        });
+        hashCalculator.on("error", reject);
+        hashCalculator.on("finish", () => {
+            hash.digest().then(resolve).catch(reject);
+        });
+    });
+};
+
+exports.fileStreamHasher = fileStreamHasher;
+exports.readableStreamHasher = readableStreamHasher;