0f488c7027
Anthropic's API-level refusal (streaming classifier / ToS) ends the stream with stop_reason "refusal", stop_details carrying the reason, zero output tokens and no content blocks. Map refusal to content_filter in both directions, surface stop_details.explanation as message text, and add CLAUDE_STOP.REFUSAL to schema.
69 lines
2.7 KiB
JavaScript
69 lines
2.7 KiB
JavaScript
// Concern #6: finish_reason / stop_reason mapping.
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// One entry per direction; switch by special format, default handles common providers.
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import { OPENAI_FINISH, CLAUDE_STOP, GEMINI_FINISH } from "../schema/finishReasons.js";
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// upstream finish/stop reason → OpenAI finish_reason
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export function toOpenAIFinish(reason, format) {
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switch (format) {
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case "claude":
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switch (reason) {
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case CLAUDE_STOP.END_TURN: return OPENAI_FINISH.STOP;
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case CLAUDE_STOP.MAX_TOKENS: return OPENAI_FINISH.LENGTH;
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case CLAUDE_STOP.TOOL_USE: return OPENAI_FINISH.TOOL_CALLS;
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case CLAUDE_STOP.STOP_SEQUENCE: return OPENAI_FINISH.STOP;
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// A refusal is a blocked turn, not a clean stop: with the default mapping an
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// OpenAI client saw finish_reason "stop" and an empty message (9Router logged
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// "succeeded", OUT 0) and could not tell it from a real answer.
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case CLAUDE_STOP.REFUSAL: return OPENAI_FINISH.CONTENT_FILTER;
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default: return OPENAI_FINISH.STOP;
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}
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case "commandcode":
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switch (reason) {
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case "stop": return OPENAI_FINISH.STOP;
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case "length": return OPENAI_FINISH.LENGTH;
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case "tool-calls":
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case "tool_use": return OPENAI_FINISH.TOOL_CALLS;
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case "content-filter": return OPENAI_FINISH.CONTENT_FILTER;
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case "error": return OPENAI_FINISH.STOP;
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default: return reason || OPENAI_FINISH.STOP;
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}
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case "gemini":
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switch (String(reason).toUpperCase()) {
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case GEMINI_FINISH.STOP: return OPENAI_FINISH.STOP;
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case GEMINI_FINISH.MAX_TOKENS: return OPENAI_FINISH.LENGTH;
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case GEMINI_FINISH.SAFETY:
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case GEMINI_FINISH.RECITATION:
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case GEMINI_FINISH.BLOCKLIST:
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case GEMINI_FINISH.PROHIBITED_CONTENT: return OPENAI_FINISH.CONTENT_FILTER;
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default: return OPENAI_FINISH.STOP;
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}
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case "kiro":
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case "ollama":
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switch (reason) {
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case "tool_calls":
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case "tool_use": return OPENAI_FINISH.TOOL_CALLS;
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case "length":
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case "max_tokens": return OPENAI_FINISH.LENGTH;
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default: return OPENAI_FINISH.STOP;
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}
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default:
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return reason || OPENAI_FINISH.STOP;
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}
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}
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// OpenAI finish_reason → upstream stop reason
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export function fromOpenAIFinish(reason, format) {
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switch (format) {
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case "claude":
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switch (reason) {
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case OPENAI_FINISH.STOP: return CLAUDE_STOP.END_TURN;
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case OPENAI_FINISH.LENGTH: return CLAUDE_STOP.MAX_TOKENS;
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case OPENAI_FINISH.TOOL_CALLS: return CLAUDE_STOP.TOOL_USE;
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case OPENAI_FINISH.CONTENT_FILTER: return CLAUDE_STOP.REFUSAL;
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default: return CLAUDE_STOP.END_TURN;
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}
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default:
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return reason;
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}
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}
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