fix: make apiProxy injection optional

Resolves the optional apiProxy injection, keeps HTML as the compatibility default, synchronizes generated entrypoints, and adds a regression test.

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();