Update jsconfig.json and package.json to correct open-sse path references from relative to local directory.

open-sse/translator/to-openai/openai-responses.js

@@ -0,0 +1,140 @@
+/**
+ * Translator: OpenAI Responses API → OpenAI Chat Completions
+ * 
+ * Responses API uses: { input: [...], instructions: "..." }
+ * Chat API uses: { messages: [...] }
+ */
+import { register } from "../index.js";
+import { FORMATS } from "../formats.js";
+
+/**
+ * Convert OpenAI Responses API request to OpenAI Chat Completions format
+ */
+function translateRequest(model, body, stream, credentials) {
+  if (!body.input) return body;
+
+  const result = { ...body };
+  result.messages = [];
+
+  // Convert instructions to system message
+  if (body.instructions) {
+    result.messages.push({ role: "system", content: body.instructions });
+  }
+
+  // Group items by conversation turn
+  let currentAssistantMsg = null;
+  let pendingToolResults = [];
+
+  for (const item of body.input) {
+    if (item.type === "message") {
+      // Flush any pending assistant message with tool calls
+      if (currentAssistantMsg) {
+        result.messages.push(currentAssistantMsg);
+        currentAssistantMsg = null;
+      }
+      // Flush pending tool results
+      if (pendingToolResults.length > 0) {
+        for (const tr of pendingToolResults) {
+          result.messages.push(tr);
+        }
+        pendingToolResults = [];
+      }
+
+      // Convert content: input_text → text, output_text → text
+      const content = Array.isArray(item.content)
+        ? item.content.map(c => {
+            if (c.type === "input_text") return { type: "text", text: c.text };
+            if (c.type === "output_text") return { type: "text", text: c.text };
+            return c;
+          })
+        : item.content;
+      result.messages.push({ role: item.role, content });
+    } 
+    else if (item.type === "function_call") {
+      // Start or append to assistant message with tool_calls
+      if (!currentAssistantMsg) {
+        currentAssistantMsg = {
+          role: "assistant",
+          content: null,
+          tool_calls: []
+        };
+      }
+      currentAssistantMsg.tool_calls.push({
+        id: item.call_id,
+        type: "function",
+        function: {
+          name: item.name,
+          arguments: item.arguments
+        }
+      });
+    }
+    else if (item.type === "function_call_output") {
+      // Flush assistant message first if exists
+      if (currentAssistantMsg) {
+        result.messages.push(currentAssistantMsg);
+        currentAssistantMsg = null;
+      }
+      // Flush any pending tool results first
+      if (pendingToolResults.length > 0) {
+        for (const tr of pendingToolResults) {
+          result.messages.push(tr);
+        }
+        pendingToolResults = [];
+      }
+      // Add tool result immediately (not pending)
+      result.messages.push({
+        role: "tool",
+        tool_call_id: item.call_id,
+        content: typeof item.output === "string" ? item.output : JSON.stringify(item.output)
+      });
+    }
+    else if (item.type === "reasoning") {
+      // Skip reasoning items - they are for display only
+      continue;
+    }
+  }
+
+  // Flush remaining
+  if (currentAssistantMsg) {
+    result.messages.push(currentAssistantMsg);
+  }
+  if (pendingToolResults.length > 0) {
+    for (const tr of pendingToolResults) {
+      result.messages.push(tr);
+    }
+  }
+
+  // Tools are already in OpenAI format, just keep them
+  // Responses API tools: { type: "function", name, description, parameters }
+  // OpenAI tools: { type: "function", function: { name, description, parameters } }
+  if (body.tools && Array.isArray(body.tools)) {
+    result.tools = body.tools.map(tool => {
+      // Already has function wrapper
+      if (tool.function) return tool;
+      // Responses API format: flatten to OpenAI format
+      return {
+        type: "function",
+        function: {
+          name: tool.name,
+          description: tool.description,
+          parameters: tool.parameters,
+          strict: tool.strict
+        }
+      };
+    });
+  }
+
+  // Cleanup Responses API specific fields
+  delete result.input;
+  delete result.instructions;
+  delete result.include;
+  delete result.prompt_cache_key;
+  delete result.store;
+  delete result.reasoning;
+
+  return result;
+}
+
+// Register translator
+register(FORMATS.OPENAI_RESPONSES, FORMATS.OPENAI, translateRequest, null);
+