feat(cli): add os-aware install hints for minio extractor dependencies

src/cli/doctor.ts

@@ -6,7 +6,11 @@ import { homedir } from 'os';
 import { resolve, join } from 'path';
 import { parse } from 'yaml';
 import { configSchema } from '../config/schema.js';
-import { checkMinioExtractorStatus, summarizeMinioExtractorStatus } from './minioExtractors.js';
+import {
+  checkMinioExtractorStatus,
+  getMinioExtractorInstallHints,
+  summarizeMinioExtractorStatus,
+} from './minioExtractors.js';
 
 export interface CheckResult {
   status: 'pass' | 'fail' | 'warn' | 'skip';
@@ -587,10 +591,12 @@ const checkMinioExtractors: Check = async (ctx) => {
 
   const summary = summarizeMinioExtractorStatus(status);
   if (status.missingRequirements.length > 0) {
+    const installHints = await getMinioExtractorInstallHints(status);
+    const hint = installHints.length > 0 ? `; hint: ${installHints[0]}` : '';
     return {
       status: 'warn',
       label: 'MinIO ingest extractors',
-      detail: `${summary} — install missing extractors for PDF/DOCX ingestion`,
+      detail: `${summary} — install missing extractors for PDF/DOCX ingestion${hint}`,
     };
   }