refactor: change config path from ~/.config/notte to ~/.notte/cli

[giordano-lucas]

Move the default configuration directory to ~/.notte/cli/ for a cleaner home directory structure that allows other notte tools to share the ~/.notte/ parent directory.

Greptile Overview

Greptile Summary

Changed the default configuration directory from ~/.config/notte (using os.UserConfigDir()) to ~/.notte/cli (using os.UserHomeDir()), allowing other notte tools to share the ~/.notte/ parent directory.

Changes:

• Updated internal/config/config.go to use os.UserHomeDir() instead of os.UserConfigDir() with ConfigDirName = ".notte/cli"
• Updated integration tests in tests/integration/functions_test.go to reflect the new path structure
• Updated documentation in README.md and skills/notte-browser/references/session-management.md

Migration consideration:
This is a breaking change for existing users - their configuration files at ~/.config/notte/config.json will not be automatically migrated to ~/.notte/cli/config.json. Users will need to manually move their config files or re-authenticate after upgrading. Consider adding a migration note in release documentation.

Confidence Score: 4/5

• Safe to merge with minor migration consideration for existing users
• The refactoring is clean and consistent across all files. Tests are properly updated. Only concern is the lack of automatic migration logic for existing users' config files - they'll need to manually move their credentials or re-authenticate
• No files require special attention - all changes are straightforward path updates

Important Files Changed

Filename	Overview
internal/config/config.go	Changed config directory from os.UserConfigDir() to os.UserHomeDir() with path .notte/cli - clean implementation
tests/integration/functions_test.go	Updated test assertions to use new config path ~/.notte/cli - properly aligned with config changes
README.md	Updated documentation to reflect new config path ~/.notte/cli/config.json - single line change
skills/notte-browser/references/session-management.md	Updated documentation to reflect new path for current_session file - single line change

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