diff --git a/README.md b/README.md
index 317a50c..113ec09 100644
--- a/README.md
+++ b/README.md
@@ -174,7 +174,7 @@ 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/bridge.js b/lib/bridge.js
index 177c25f..5c0d3d6 100644
--- a/lib/bridge.js
+++ b/lib/bridge.js
@@ -61,7 +61,8 @@ export class TelegramBridge {
         });
         this.sleep = options.sleep ?? defaultSleep;
         this.maxMessageLength = options.maxMessageLength ?? 4096;
-        this.renderingMode = options.rendering === 'html' ? 'html' : 'rich';
+        // HTML is the compatibility default; opt into Rich Messages explicitly.
+        this.renderingMode = options.rendering === 'rich' ? 'rich' : 'html';
     }
     start() {
         this.disposeSessionListener?.();
diff --git a/lib/index.d.ts b/lib/index.d.ts
index 1636ab1..ac4bdf3 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -1,7 +1,8 @@
 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 (Cordis requires inject to read ctx.apiProxy). */
+/** agents: followup; apiProxy is optional and resolved at runtime via ctx.get;
+ *  when absent, catalog helpers degrade to the live-agents view. */
 export declare const inject: string[];
 export interface TelegramChannelConfig {
     token?: string;
diff --git a/lib/index.js b/lib/index.js
index d905698..b92e672 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,15 +1,16 @@
 import Schema from '@deepseek-ai/schemastery';
 import { TelegramBridge } from './bridge.js';
 export const name = 'dsh-telegram-channel';
-/** agents: followup; apiProxy: workspace/session catalog + /model (Cordis requires inject to read ctx.apiProxy). */
-export const inject = ['agents', 'apiProxy'];
+/** agents: followup; apiProxy is optional and resolved at runtime via ctx.get;
+ *  when absent, catalog helpers degrade to the live-agents view. */
+export const inject = ['agents'];
 export const Config = Schema.object({
     token: Schema.string().default(''),
     allowedUserIds: Schema.array(Schema.number()).default([]),
     allowAllUsers: Schema.boolean().default(false),
     maxMessageLength: Schema.number().default(4096),
     pollingTimeoutSec: Schema.number().default(30),
-    rendering: Schema.string().default('rich'),
+    rendering: Schema.string().default('html'),
 });
 function resolveAllowedUserIds(config) {
     if (config.allowedUserIds && config.allowedUserIds.length > 0) {
@@ -37,7 +38,7 @@ export function apply(ctx, config) {
         allowAllUsers: config.allowAllUsers ?? false,
         maxMessageLength: config.maxMessageLength ?? 4096,
         pollingTimeoutSec: config.pollingTimeoutSec ?? 30,
-        rendering: config.rendering === 'html' ? 'html' : 'rich',
+        rendering: config.rendering === 'rich' ? 'rich' : 'html',
     });
     ctx.effect(() => {
         bridge.start();
diff --git a/src/bridge.ts b/src/bridge.ts
index c835c0f..9f18a2f 100644
--- a/src/bridge.ts
+++ b/src/bridge.ts
@@ -121,7 +121,8 @@ export class TelegramBridge {
     })
     this.sleep = options.sleep ?? defaultSleep
     this.maxMessageLength = options.maxMessageLength ?? 4096
-    this.renderingMode = options.rendering === 'html' ? 'html' : 'rich'
+    // HTML is the compatibility default; opt into Rich Messages explicitly.
+    this.renderingMode = options.rendering === 'rich' ? 'rich' : 'html'
   }
 
   start(): void {
diff --git a/src/index.ts b/src/index.ts
index c1f4437..5f8afba 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,8 +3,9 @@ import Schema from '@deepseek-ai/schemastery'
 import { TelegramBridge } from './bridge.js'
 
 export const name = 'dsh-telegram-channel'
-/** agents: followup; apiProxy: workspace/session catalog + /model (Cordis requires inject to read ctx.apiProxy). */
-export const inject = ['agents', 'apiProxy']
+/** agents: followup; apiProxy is optional and resolved at runtime via ctx.get;
+ *  when absent, catalog helpers degrade to the live-agents view. */
+export const inject = ['agents']
 
 export interface TelegramChannelConfig {
   token?: string
@@ -21,7 +22,7 @@ export const Config: Schema<TelegramChannelConfig> = Schema.object({
   allowAllUsers: Schema.boolean().default(false),
   maxMessageLength: Schema.number().default(4096),
   pollingTimeoutSec: Schema.number().default(30),
-  rendering: Schema.string().default('rich'),
+  rendering: Schema.string().default('html'),
 })
 
 function resolveAllowedUserIds(config: TelegramChannelConfig): number[] {
@@ -53,7 +54,7 @@ export function apply(ctx: Context, config: TelegramChannelConfig): void {
     allowAllUsers: config.allowAllUsers ?? false,
     maxMessageLength: config.maxMessageLength ?? 4096,
     pollingTimeoutSec: config.pollingTimeoutSec ?? 30,
-    rendering: config.rendering === 'html' ? 'html' : 'rich',
+    rendering: config.rendering === 'rich' ? 'rich' : 'html',
   })
   ctx.effect(() => {
     bridge.start()
diff --git a/tests/apply.test.ts b/tests/apply.test.ts
index 3f26bc6..49b6e5c 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('apiProxy is optional and is not a hard Cordis dependency', () => {
+  assert.deepEqual(inject, ['agents'])
+})
 
 test('apply without token does not throw and does not start effect', () => {
   const effects: string[] = []