[BUG] `cortex login` Token Stored with Overly Permissive File Permissions

[EnthusiasticTech]

Project

cortex

Description

The authentication token file is created with 0644 permissions (world-readable) instead of 0600.

Error Message

Debug Logs

System Information

Bounty Version: 0.1.0
OS: Ubuntu 24.04 LTS
CPU: AMD EPYC-Genoa Processor (8 cores)
RAM: 15 GB

Screenshots

No response

Steps to Reproduce

cortex login
ls -la ~/.config/cortex/credentials
# -rw-r--r-- (644) instead of -rw------- (600)

Expected Behavior

Credentials file should have 0600 permissions (owner read/write only).

Actual Behavior

File is world-readable, exposing tokens.

Additional Context

No response