feat: 批量上传支持及prompt优化

- 支持多文件批量上传，一次最多10个
- 新增json/toml/yaml格式支持
- 优化inline补全prompt结构，增加边界决策指南
- size计算包含doc_block内容长度
- 超限时显示警告tooltip

src/utils/docBlock.js

@@ -9,6 +9,9 @@ const HEADER_SEPARATOR = '\n---\n'
 export function normalizeDocType(value = '') {
   const lower = String(value || '').trim().toLowerCase()
   if (lower === 'txt' || lower === 'text' || lower === 'plain') return 'txt'
+  if (lower === 'json') return 'json'
+  if (lower === 'toml') return 'toml'
+  if (lower === 'yaml' || lower === 'yml') return 'yaml'
   if (lower === 'doc' || lower === 'docx' || lower === 'word') return 'docx'
   if (lower === 'ppt' || lower === 'pptx' || lower === 'powerpoint') return 'pptx'
   if (lower === 'pdf') return 'pdf'
@@ -20,6 +23,9 @@ export function getDocTypeFromFilename(name = '') {
   if (lower.endsWith('.docx')) return 'docx'
   if (lower.endsWith('.pptx')) return 'pptx'
   if (lower.endsWith('.pdf')) return 'pdf'
+  if (lower.endsWith('.json')) return 'json'
+  if (lower.endsWith('.toml')) return 'toml'
+  if (lower.endsWith('.yaml') || lower.endsWith('.yml')) return 'yaml'
   return 'txt'
 }
 
@@ -29,10 +35,18 @@ export function isSupportedDocFile(file) {
   const type = String(file.type || '').toLowerCase()
   return (
     name.endsWith('.txt') ||
+    name.endsWith('.json') ||
+    name.endsWith('.toml') ||
+    name.endsWith('.yaml') ||
+    name.endsWith('.yml') ||
     name.endsWith('.docx') ||
     name.endsWith('.pptx') ||
     name.endsWith('.pdf') ||
     type === 'text/plain' ||
+    type === 'application/json' ||
+    type === 'text/yaml' ||
+    type === 'text/x-yaml' ||
+    type === 'application/x-yaml' ||
     type === 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' ||
     type === 'application/vnd.openxmlformats-officedocument.presentationml.presentation' ||
     type === 'application/pdf'