Feature: System commands coverage boost
  As a developer
  I want to cover remaining branches in system.py
  So that coverage reaches the 97% threshold

  Scenario: git sha returns unknown when git not available
    Given a system module for coverage testing
    When I call git_sha with git not on path
    Then the git sha should be "unknown"

  Scenario: dep_version returns not installed for missing package
    Given a system module for coverage testing
    When I call dep_version for a missing package
    Then the dep version should be "not installed"

  Scenario: build_info_data with missing database path
    Given a system module for coverage testing
    When I call build_info_data with no database file
    Then the info data should contain db_size as "0 MB"

  Scenario: build_info_data with missing log directory
    Given a system module for coverage testing
    When I call build_info_data with no log directory
    Then the info data should contain logs as "0 MB"

  Scenario: check_data_dir with non-existent dir
    Given a system module for coverage testing
    When I call check_data_dir with non-existent directory
    Then the check result should have WARN status

  Scenario: check_database with non-sqlite URL
    Given a system module for coverage testing
    When I call check_database with postgres URL
    Then the check result should have OK status and details "configured"

  Scenario: check_database with missing parent dir
    Given a system module for coverage testing
    When I call check_database with sqlite and non-writable parent
    Then the check result should have ERROR status

  Scenario: check_file_permissions with non-existent data dir
    Given a system module for coverage testing
    When I call check_file_permissions with non-existent directory
    Then the check result should have WARN status

  Scenario: check_file_permissions with read-only data dir
    Given a system module for coverage testing
    When I call check_file_permissions with read-only directory
    Then the file perm result status should not be OK

  Scenario: check_git when git is unavailable
    Given a system module for coverage testing
    When I call check_git with git unavailable
    Then the check result should have ERROR status

  Scenario: render_version_rich produces output
    Given a system module for coverage testing
    When I call render_version_rich with sample data
    Then no system exception should be raised

  Scenario: render_info_rich produces output
    Given a system module for coverage testing
    When I call render_info_rich with sample data
    Then no system exception should be raised

  Scenario: render_diagnostics_rich with errors
    Given a system module for coverage testing
    When I call render_diagnostics_rich with error data
    Then no system exception should be raised

  Scenario: render_diagnostics_rich with warnings only
    Given a system module for coverage testing
    When I call render_diagnostics_rich with warning data
    Then no system exception should be raised

  Scenario: render_diagnostics_rich with all OK
    Given a system module for coverage testing
    When I call render_diagnostics_rich with all OK data
    Then no system exception should be raised