diff --git a/README.md b/README.md
index 66b012e..5ca7ac0 100644
--- a/README.md
+++ b/README.md
@@ -177,7 +177,7 @@ dsh plugin --profile web add D:\path\to\dsh-telegram-channel
 | `allowAllUsers` | `true` 仅调试 |
 | `maxMessageLength` | 默认 4096 |
 | `pollingTimeoutSec` | 默认 30 |
-| `rendering` | `rich`（默认，原生 Rich Message）或 `html`（旧 Markdown→HTML 兼容） |
+| `rendering` | `html`（默认，兼容所有客户端）或 `rich`（原生 Rich Message） |
 
 若本机用了 HTTP(S)_PROXY 访问 Telegram，插件会自动走代理（无需再设 `NODE_USE_ENV_PROXY`）。
 
diff --git a/lib/index.d.ts b/lib/index.d.ts
index f3476bd..0f3c233 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -1,7 +1,7 @@
 import type { Context } from '@deepseek-ai/cordis';
 import Schema from '@deepseek-ai/schemastery';
 export declare const name = "dsh-telegram-channel";
-/** agents: followup; apiProxy: workspace/session catalog + /model; userQuestions: TG answer hook (Cordis requires inject). */
+/** agents: followup; apiProxy and userQuestions are optional runtime services. */
 export declare const inject: string[];
 export interface TelegramChannelConfig {
     token?: string;
diff --git a/lib/index.js b/lib/index.js
index 80d798c..9c36f4c 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,8 +1,8 @@
 import Schema from '@deepseek-ai/schemastery';
 import { TelegramBridge } from './bridge.js';
 export const name = 'dsh-telegram-channel';
-/** agents: followup; apiProxy: workspace/session catalog + /model; userQuestions: TG answer hook (Cordis requires inject). */
-export const inject = ['agents', 'apiProxy', 'userQuestions'];
+/** agents: followup; apiProxy and userQuestions are optional runtime services. */
+export const inject = ['agents'];
 export const Config = Schema.object({
     token: Schema.string().default(''),
     allowedUserIds: Schema.array(Schema.number()).default([]),
diff --git a/src/index.ts b/src/index.ts
index 89312e3..70ba881 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,8 +3,8 @@ import Schema from '@deepseek-ai/schemastery'
 import { TelegramBridge } from './bridge.js'
 
 export const name = 'dsh-telegram-channel'
-/** agents: followup; apiProxy: workspace/session catalog + /model; userQuestions: TG answer hook (Cordis requires inject). */
-export const inject = ['agents', 'apiProxy', 'userQuestions']
+/** agents: followup; apiProxy and userQuestions are optional runtime services. */
+export const inject = ['agents']
 
 export interface TelegramChannelConfig {
   token?: string
diff --git a/tests/apply.test.ts b/tests/apply.test.ts
index 3f26bc6..350b8ec 100644
--- a/tests/apply.test.ts
+++ b/tests/apply.test.ts
@@ -1,6 +1,10 @@
 import assert from 'node:assert/strict'
 import test from 'node:test'
-import { apply } from '../src/index.ts'
+import { apply, inject } from '../src/index.ts'
+
+test('optional host services are not hard Cordis dependencies', () => {
+  assert.deepEqual(inject, ['agents'])
+})
 
 test('apply without token does not throw and does not start effect', () => {
   const effects: string[] = []