feat(update-center): 实现集中式软件更新中心功能

新增更新中心模块，支持管理 APM 和传统 deb 软件更新任务
- 添加更新任务队列管理、状态跟踪和日志记录功能
- 实现更新项忽略配置持久化存储
- 新增更新确认对话框和迁移提示
- 优化主窗口关闭时的任务保护机制
- 添加单元测试覆盖核心逻辑

electron/main/backend/update-center/ignore-config.ts

@@ -0,0 +1,79 @@
+import { mkdir, readFile, writeFile } from "node:fs/promises";
+import { dirname } from "node:path";
+
+import type { UpdateCenterItem } from "./types";
+
+export const LEGACY_IGNORE_CONFIG_PATH = "/etc/spark-store/ignored_apps.conf";
+
+const LEGACY_IGNORE_SEPARATOR = "|";
+
+export const createIgnoreKey = (pkgname: string, version: string): string =>
+  `${pkgname}${LEGACY_IGNORE_SEPARATOR}${version}`;
+
+export const parseIgnoredEntries = (content: string): Set<string> => {
+  const ignoredEntries = new Set<string>();
+
+  for (const line of content.split("\n")) {
+    const trimmed = line.trim();
+    if (!trimmed) {
+      continue;
+    }
+
+    const parts = trimmed.split(LEGACY_IGNORE_SEPARATOR);
+    if (parts.length !== 2) {
+      continue;
+    }
+
+    const [pkgname, version] = parts;
+    if (!pkgname || !version) {
+      continue;
+    }
+
+    ignoredEntries.add(createIgnoreKey(pkgname, version));
+  }
+
+  return ignoredEntries;
+};
+
+export const loadIgnoredEntries = async (
+  filePath: string,
+): Promise<Set<string>> => {
+  try {
+    const content = await readFile(filePath, "utf8");
+    return parseIgnoredEntries(content);
+  } catch (error) {
+    if (
+      typeof error === "object" &&
+      error !== null &&
+      "code" in error &&
+      error.code === "ENOENT"
+    ) {
+      return new Set<string>();
+    }
+
+    throw error;
+  }
+};
+
+export const saveIgnoredEntries = async (
+  filePath: string,
+  ignoredEntries: ReadonlySet<string>,
+): Promise<void> => {
+  const sortedEntries = Array.from(ignoredEntries).sort();
+  const content =
+    sortedEntries.length > 0 ? `${sortedEntries.join("\n")}\n` : "";
+
+  await mkdir(dirname(filePath), { recursive: true });
+  await writeFile(filePath, content, "utf8");
+};
+
+export const applyIgnoredEntries = (
+  items: UpdateCenterItem[],
+  ignoredEntries: ReadonlySet<string>,
+): UpdateCenterItem[] =>
+  items.map((item) => ({
+    ...item,
+    ignored: ignoredEntries.has(
+      createIgnoreKey(item.pkgname, item.nextVersion),
+    ),
+  }));