Fix API key errors: propagate authentication failures as errors instead of warnings#76

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Copilot wants to merge 11 commits intomainfrom

copilot/fix-21bb521f-094c-4ed2-8517-aea63ea274a2

Commits on Oct 5, 2025

Initial plan
Copilot
committed
Fix API key error handling: propagate authentication failures as errors instead of warnings

Copilot
and
oleander
committed
Merge branch 'main' into copilot/fix-21bb521f-094c-4ed2-8517-aea63ea274a2
oleander
authored
Refactor error handling and module structure for authentication clarity
oleander
committed
Document OpenAI error structure and reformat error handling
oleander
committed
Merge remote-tracking branch 'origin/main' into copilot/fix-21bb521f-094c-4ed2-8517-aea63ea274a2
oleander
committed
Merge remote-tracking branch 'origin/main' into copilot/fix-21bb521f-094c-4ed2-8517-aea63ea274a2
Test User
committed