File input (#2270)

* doc

* feat: file upload  config

* perf: chat box file params

* feat: markdown show file

* feat: chat file store and clear

* perf: read file contentType

* feat: llm vision config

* feat: file url output

* perf: plugin error text

* perf: image load

* feat: ai chat document

* perf: file block ui

* feat: read file node

* feat: file read response field

* feat: simple mode support read files

* feat: tool call

* feat: read file histories

* perf: select file

* perf: select file config

* i18n

* i18n

* fix: ts; feat: tool response preview result

packages/global/common/string/tools.ts

@@ -91,3 +91,10 @@ export const sliceJsonStr = (str: string) => {
 
   return jsonStr;
 };
+
+export const sliceStrStartEnd = (str: string, start: number, end: number) => {
+  const overSize = str.length > start + end;
+  const startContent = str.slice(0, start);
+  const endContent = overSize ? str.slice(-end) : '';
+  return startContent + (overSize ? ` ...... ` : '') + endContent;
+};