Regal Solar Energy_ React

As a project manager
I want to upload proposals generated by Wattmonk into the system
So that they are stored with proper history and can be viewed or downloaded at any time.

Acceptance Criteria
AC1 — Ability to Upload Wattmonk Proposals

User must be able to upload a proposal file (PDF format preferred).

Upload button should be available within the Project Site Assessment screen.

The system should validate allowed file types (PDF).

The system should validate file size limits.

AC2 — Save Proposal With Metadata

Each uploaded proposal must store:

Uploaded by (user name / user ID)

Uploaded date & time (timestamp)

File name

File version (auto-increment if same file uploaded again)

AC3 — View Upload History

The system must display a list of all past uploads in chronological order.

Each item must show:

File name

Uploaded by

Uploaded on (date/time)

Download button

Version number (if applicable)

AC4 — Download Proposal

User must be able to download any previously uploaded proposal.

The downloaded file should match the original uploaded file.

Access permissions must apply (e.g., only authorized users can download).

AC5 — Error Handling

If upload fails (file type mismatch / size limit / network issue), show proper error messages.

System must not save partial or corrupted uploads.

AC6 — Audit Logging

Each upload event must be recorded in activity logs:

"Proposal uploaded by <username> on <timestamp>"

Each download event may also be logged (optional based on requirement).