feat: update langchaingo to v0.1.13-update.5 and enhance error handling

- Bump github.com/vxcontrol/langchaingo from v0.1.13-update.4 to v0.1.13-update.5
- Improve error handling in providers (context cancellation, timeouts)
- Update Docker client to v28.2.2
- Refresh test reports for all providers
- Enhance ctester logging and utilities

Merge pull request vxcontrol#1 from vxcontrol/feature/frontend

feat: new frontend version

chore: Add GitHub templates for pull requests, issues, and saved repl…

…ies; implement CI workflow for Docker build and testing