fix(api/plans): differentiate ErrNotFound->404 + add structured slog on createPlan errors (closes #944) - #946

fix(api/plans): differentiate ErrNotFound->404 + add structured slog on createPlan errors (closes #944)#946

cristim merged 2 commits into

feat/multicloud-web-frontendLeanerCloud/cloud-commitments-cli:feat/multicloud-web-frontendfrom

fix/create-plan-500-observabilityLeanerCloud/cloud-commitments-cli:fix/create-plan-500-observabilityCopy head branch name to clipboard