chore(qqbot): inline legacy text chunk helper

extensions/qqbot/src/channel.ts

@@ -23,6 +23,23 @@ import {
 } from "./engine/messaging/target-parser.js";
 import type { ResolvedQQBotAccount } from "./types.js";
 
+/** Maximum text length for a single QQ Bot message. */
+export const TEXT_CHUNK_LIMIT = 5000;
+
+/**
+ * Naive text chunking fallback.
+ *
+ * The outbound pipeline normally uses `runtime.channel.text.chunkMarkdownText`;
+ * this remains exported for callers that need the legacy channel helper.
+ */
+export function chunkText(text: string, limit: number = TEXT_CHUNK_LIMIT): string[] {
+  const chunks: string[] = [];
+  for (let i = 0; i < text.length; i += limit) {
+    chunks.push(text.slice(i, i + limit));
+  }
+  return chunks.length > 0 ? chunks : [text];
+}
+
 // Shared promise so concurrent multi-account startups serialize the dynamic
 // import of the gateway module, avoiding an ESM circular-dependency race.
 let _gatewayModulePromise: Promise<typeof import("./bridge/gateway.js")> | undefined;

extensions/qqbot/src/engine/utils/text-chunk.ts

@@ -1,28 +0,0 @@
-/**
- * Text chunking constants and fallback.
- *
- * The actual chunking logic is provided by the framework runtime
- * (`runtime.channel.text.chunkMarkdownText`) and injected via the
- * outbound dispatch pipeline — NOT via a global singleton.
- *
- * This module only exports the chunk limit constant and a naive
- * fallback splitter for edge cases outside the pipeline.
- */
-
-/** Maximum text length for a single QQ Bot message. */
-export const TEXT_CHUNK_LIMIT = 5000;
-
-/**
- * Naive text chunking fallback.
- *
- * Used only by code outside the outbound pipeline that needs a
- * simple split. The real markdown-aware chunking is always done
- * via `runtime.channel.text.chunkMarkdownText` inside the pipeline.
- */
-export function chunkText(text: string, limit: number = TEXT_CHUNK_LIMIT): string[] {
-  const chunks: string[] = [];
-  for (let i = 0; i < text.length; i += limit) {
-    chunks.push(text.slice(i, i + limit));
-  }
-  return chunks.length > 0 ? chunks : [text];
-}