Add team details to whoami output

[manveerxyz]

User Account

Team Account

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Note

Enhances account context across the CLI and improves whoami output.

• Adds team_role to ConfigModel and Config with getter, set_team(...), and inclusion in view()
• Persists team_role in environment files: save, load (persist and in-memory), production reset, and update_current_environment_file
• login.py: when selecting a team, capture role from API and store via config.set_team(team_id, team_name, team_role); updates hint text to re-run prime login to change selection
• whoami.py: replaces "Current User" table with "Account" view showing Personal vs Team (ID, Name, Role when applicable), followed by user details and existing token permissions

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