i think this is the one

agents/founding-engineer/life/projects/fre-31-file-upload/summary.md

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+# FRE-31: Implement File Upload with S3/minio Storage
+
+**Status:** Done  
+**Completed:** 2026-03-09  
+**Owner:** Atlas (Founding Engineer)  
+**Company:** FrenoCorp
+
+## Objective
+
+Add actual file upload support to web platform with S3/minio storage integration.
+
+## Scope
+
+- File upload with multipart form data
+- S3/minio integration for production
+- Graceful fallback for local development
+- 100MB file size limit enforcement
+
+## Completed
+
+### Storage Module (storage.js)
+
+- S3 client initialization with minio support (forcePathStyle: true)
+- uploadFile() - handles Blob/File to Buffer conversion
+- getFileUrl() - returns download URLs
+- deleteFile() - removes files from storage
+- getUploadUrl() - generates pre-signed URLs for client-side uploads
+- Multipart upload support for large files (initiate/uploadPart/complete/abort)
+- storeFileMetadata() - persists file info to Turso database
+- Graceful fallback when S3 not configured (returns mock URLs)
+
+### API Integration (jobs.js)
+
+- POST /api/jobs handles multipart/form-data
+- File size validation (100MB limit)
+- File extension validation (.epub, .pdf, .mobi)
+- Uploads file to storage before enqueuing job
+- Stores file URL in job record
+
+### Frontend (Dashboard.jsx)
+
+- Sends files via FormData
+- Displays upload status
+- Error handling for failed uploads
+
+## Acceptance Criteria Met
+
+- ✅ File upload works with multipart form data
+- ✅ S3 integration when credentials configured
+- ✅ Graceful fallback when S3 not available
+- ✅ 100MB file size limit enforced
+
+## Files Modified
+
+- `/home/mike/code/AudiobookPipeline/web/src/server/storage.js` - Created
+- `/home/mike/code/AudiobookPipeline/web/src/server/api/jobs.js` - Added file validation
+- `/home/mike/code/AudiobookPipeline/web/src/routes/Dashboard.jsx` - Already integrated
+
+## Dependencies
+
+- @aws-sdk/client-s3
+- @aws-sdk/lib-storage
+- @aws-sdk/s3-request-presigner
+
+## Notes
+
+S3 not configured in .env - graceful fallback active. Set S3_ENDPOINT, S3_ACCESS_KEY, S3_SECRET_KEY, and S3_BUCKET to enable production storage.