- backend/codewhisperer{,_internal}.go: full Amazon CodeWhisperer
backend implementation — binary AWS event stream decoding, SQLite
auth for both enterprise OIDC and personal social/GitHub flows, OIDC
token refresh, and message encoding to the Kiro wire format
- backend/anthropic.go, copilot.go: new backends wired into New()
- backend/new.go: register anthropic, copilot, kiro/codewhisperer cases
- backend/openai.go: add extraHeaders hook for future use
- agent/loop.go: surface non-standard stop reasons as errors instead of
silently dropping them
- main.go: defaultModelForBackend() sets a sensible default per backend
(ollama→qwen3.5:9b, openrouter→deepseek/deepseek-v3.2,
anthropic→claude-sonnet-4-5, kiro→auto); /backend switch now also
resets the model to avoid stale foreign model IDs causing
ValidationException; add -prompt flag for non-interactive batch mode
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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