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Add use case for Unix-to-Android data transfer #5

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ID: UC-03
Autonomous Unix-to-Android Data Transfer
Actor: Data Scientist / Researcher
Description: The user automates the retrieval of specific data files from a Unix-based workstation and sends them to a mobile communication app (WhatsApp) via a simple voice/text command.


2. Flow of Events
2.1 Main Success Scenario (Happy Path)
1. Trigger: Actor issues command: "Fetch the latest .csv results from the 'Data_Science' folder on the Unix machine and send them to my WhatsApp."
2. Identification: ALIEN scans the directory /home/user/Data_Science/ and identifies the most recently modified file with a .csv extension.
3. Extraction: The file is securely compressed (if necessary) and moved to the ALIEN Cloud buffer.
4. Integration: ALIEN accesses the WhatsApp API/Web-hook or Mobile Agent to locate the user's personal chat or a designated contact.
5. Delivery: The file is uploaded and sent as a document attachment.
6. Confirmation: ALIEN notifies the user: "Success! 'Results_v2.csv' has been sent to your WhatsApp."

2.2 Alternative Flows
A1: No CSV Found
If no .csv files exist in the folder, ALIEN reports: "I found the folder, but there are no CSV files. Should I look for a different file type?"

2.3 Exception Flows
E1: Path Not Found
If the directory 'Data_Science' doesn't exist, ALIEN suggests similar folder names or asks for the absolute path.
E2: File Size Limit
If the CSV exceeds WhatsApp’s file size limit (e.g., >2GB), ALIEN offers to compress it into a .zip or provides a temporary secure download link instead.


3. Requirements

Type Description
Preconditions ALIEN Unix Agent is active; WhatsApp account is linked to ALIEN bridge.
Postconditions File is delivered; Temporary buffer is cleared for security.
Priority Medium (High Convenience/Workflow Efficiency)


4. Technical Logic
• Direct Hand-off: Bypasses third-party cloud storage (No Google Drive/Dropbox dependency).
• Time-Stamp Sorting: Uses Unix ls -t logic to determine the "latest" results programmatically.
• Security: Employs End-to-End Encryption (E2EE) during the transit from Unix to the mobile device.