feat(worker): IO Worker 分道(WK-1)

io worker 进程内按任务声明的 lane 分文件 / 网络 / 维护三条道,各自并发(缺省 2/4/1)、
各自排队;维护道在文件道或网络道有排队/运行时让路(连续 10 分钟放行一个),调度器内联的
清理/回填/保留期裁剪也走维护道。并发在 设置 → 自动化 → 高级 热生效,env 覆盖;旧
WORKER_CONCURRENCY 映射到网络道。运行状态页按道显示运行中/并发/排队。归属表写进
docs/runbook/dev.md,ci 与注册表逐项核对。

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/server/src/modules/acquisition-organize/handlers.ts

@@ -76,6 +76,7 @@ export function registerAoTasks(registry: TaskRegistry, d: AoDeps) {
     defineTask({
       name: "evaluateAcquisition",
       version: 1,
+      lane: "network",
       inputSchema: z.object({
         subscriptionId: id.optional(),
         acquisitionSlotId: id.optional(),
@@ -91,6 +92,7 @@ export function registerAoTasks(registry: TaskRegistry, d: AoDeps) {
     defineTask({
       name: "submitDownload",
       version: 1,
+      lane: "network",
       inputSchema: z.object({ acquisitionPlanId: id, taskId: id.optional() }),
       retryPolicy: NETWORK_RETRY,
       handler: async (t) => {
@@ -117,6 +119,7 @@ export function registerAoTasks(registry: TaskRegistry, d: AoDeps) {
     defineTask({
       name: "verifyAndImport",
       version: 1,
+      lane: "file",
       inputSchema: z.object({ downloadTaskId: id.optional(), recordId: id.optional(), taskId: id.optional() }),
       retryPolicy: FILE_RETRY,
       handler: async (t) => {
@@ -174,6 +177,7 @@ export function registerAoTasks(registry: TaskRegistry, d: AoDeps) {
     defineTask({
       name: "cleanupDownloadCache",
       version: 1,
+      lane: "file",
       inputSchema: z.object({ downloaderInstanceId: id.optional(), taskId: id.optional() }),
       retryPolicy: FILE_RETRY,
       handler: async (t) => {
@@ -186,6 +190,7 @@ export function registerAoTasks(registry: TaskRegistry, d: AoDeps) {
     defineTask({
       name: "reconcileLibrary",
       version: 1,
+      lane: "maintenance",
       inputSchema: z.object({ libraryRootId: id.optional(), reconcileRunId: id.optional(), taskId: id.optional() }),
       retryPolicy: FILE_RETRY,
       handler: async (t) => {