• Merge pull request #205 from kaitranntt/kai/feat/customizable-auth-tokens
• feat(ui): add Settings link to control panel key hint
• fix(ui): use effective management secret in control panel embed
• fix(ui): simplify config header and add explicit save button
• test(cliproxy): add comprehensive auth token test suite
• fix(cliproxy): use auth inheritance in stats-fetcher and config-generator
• feat(ui): add auth tokens settings tab
• feat(api): add auth tokens REST endpoints
• feat(cli): add tokens command for auth token management
• feat(cliproxy): add customizable auth token manager