refactor(core): migrate to Bun and converge acquisition policies and Agent boundaries

apps/server/src/context.ts

@@ -1,7 +1,6 @@
 import { type EventType, LIFECYCLE_EVENTS, parseEventPayload } from "@umt/contracts";
 import { type DB, type Kysely, sql } from "@umt/db";
 import {
-  createDefaultRegistry,
   type LogSink,
   OpenWorkflowEngine,
   type OutboxRelay,
@@ -12,7 +11,6 @@ import {
 } from "@umt/tasks";
 import type { Logger } from "pino";
 import type { Config } from "./config.ts";
-import { HookRegistry } from "./hooks/registry.ts";
 import type { EventBusPort } from "./http/sse.ts";
 import { assertCapabilityCount, createCapabilityRegistry } from "./modules/agent/capability-registry.ts";
 import { createSecretStore, createSettingsReader } from "./modules/auth-settings/provided.ts";
@@ -80,8 +78,8 @@ export function tasksLogSink(logger: Logger): LogSink {
 }
 
 /**
- * 任务注册表:各模块注册自己的任务;没人注册的 §3.1-8 任务用 @umt/tasks 的空壳兜底
- * (outbox 路由到它们时不至于报"未知任务")。同名任务被两个模块注册会在这里报错。
+ * 任务注册表只收录业务模块的真实实现。同名任务被两个模块注册会在这里报错;
+ * 没有注册的任务由 TaskRegistry 明确报 UnknownTaskError,不以占位处理器代替。
  */
 export function buildTaskRegistry(modules: readonly ServerModule[], ctx: ServerContext): TaskRegistry {
   const registry = new TaskRegistry();
@@ -96,7 +94,6 @@ export function buildTaskRegistry(modules: readonly ServerModule[], ctx: ServerC
     }
     registry.register(...own.all());
   }
-  for (const stub of createDefaultRegistry().all()) if (!registry.has(stub.name)) registry.register(stub);
   return registry;
 }
 
@@ -153,13 +150,6 @@ export function collectOutboxRoutes(
   return routes;
 }
 
-/** 链式钩子注册表:按模块顺序调 registerHooks,执行顺序即注册顺序(ADR-006) */
-export function buildHookRegistry(modules: readonly ServerModule[], ctx: ServerContext): HookRegistry {
-  const hooks = new HookRegistry(ctx.logger?.child({ component: "hooks" }));
-  for (const m of modules) m.registerHooks?.(hooks.forModule(m.name), ctx);
-  return hooks;
-}
-
 export interface BootstrapOptions {
   role: ServerRole;
   config: Config;
@@ -204,7 +194,6 @@ export async function bootstrap(opts: BootstrapOptions): Promise<Bootstrapped> {
   configureStorage(ctx);
   const tasks = buildTaskRegistry(opts.modules, ctx);
   for (const m of opts.modules) m.registerCapabilities?.(ctx.capabilities, ctx);
-  ctx.hooks = buildHookRegistry(opts.modules, ctx);
   // 装配了 agent 模块(即完整模块清单)时,首批 14 个能力必须全部挂上处理器
   if (opts.modules.some((m) => m.name === "agent")) assertCapabilityCount(ctx.capabilities);
   engine.attach(