v0.1.2

Changelog

• d117e14 fix: normalize provider names during profile creation
• f7b9c7b fix: sanitize provider HTTP error messages
• 5eea4aa fix: validate profile creation inputs
• 930516a fix: validate profile key format consistently
• 5d78829 fix: validate provider support during profile creation
• 82144f7 refactor: extract shared CLI flag helpers
• d577769 refactor: remove unused API key flag state
• 3727e77 refactor: remove unused CLI help constants
• d529533 refactor: standardize internal error wrapping
• 0c249d7 refactor: standardize profile error wording