fix(proxy): emit standard Anthropic error event on upstream stream failure - #3371
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Ensure claude-opus-4-5 and claude-opus-4-6 (base) expose the same thinking variants as sonnet (low/medium/high/max) via ClaudeThinking. Previously only the -thinking suffix had variants, so syncing the base id produced no variants and dropdown showed without thinking. Also align Gemini3Pro variant order to low -> medium(disabled) -> high -> max(disabled) for consistent Default -> Low -> Medium -> High ordering.
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Problema
Quando a conexão com o upstream Gemini cai no meio do stream, o proxy emitia um evento de erro malformado:
data: {"error":{"message":"Stream error: ...","type":"stream_error"}}Faltava o discriminador
"type": "error"no topo do objeto. O cliente (opencode / @ai-sdk/anthropic) valida cada payload SSE com um discriminated union no campotypedo nível raiz, resultando em:Correção
src-tauri/src/proxy/mappers/claude/mod.rs— agora emite o evento no formato padrão Anthropic:Usando o mesmo helper
state.emit("error", ...)já utilizado emstreaming.rs:615-624, garantindo consistência.Verificação
cargo checkcompilaproxy::mappers::claude: 39 passam; as 4 falhas restantes são pré-existentes emrequest.rs(max_tokens/budget), não relacionadas a esta mudança (confirmado viagit stash)