New version v2.3.6

oAI/Providers/OpenRouterModels.swift

@@ -27,6 +27,16 @@ import Foundation
 
 // MARK: - API Request
 
+struct ReasoningAPIConfig: Codable {
+    let effort: String
+    let exclude: Bool?
+
+    enum CodingKeys: String, CodingKey {
+        case effort
+        case exclude
+    }
+}
+
 struct OpenRouterChatRequest: Codable {
     let model: String
     let messages: [APIMessage]
@@ -37,6 +47,7 @@ struct OpenRouterChatRequest: Codable {
     let tools: [Tool]?
     let toolChoice: String?
     let modalities: [String]?
+    let reasoning: ReasoningAPIConfig?
     
     struct APIMessage: Codable {
         let role: String
@@ -126,6 +137,7 @@ struct OpenRouterChatRequest: Codable {
         case tools
         case toolChoice = "tool_choice"
         case modalities
+        case reasoning
     }
 }
 
@@ -205,7 +217,46 @@ struct OpenRouterStreamChunk: Codable {
         struct Delta: Codable {
             let role: String?
             let content: String?
+            let reasoning: String?
+            // images[] from top-level delta field (custom OpenRouter format)
             let images: [OpenRouterChatResponse.ImageOutput]?
+            // images extracted from content[] array (standard OpenAI content-block format)
+            let contentBlockImages: [OpenRouterChatResponse.ImageOutput]
+
+            private struct ContentBlock: Codable {
+                let type: String
+                let text: String?
+                let imageUrl: OpenRouterChatResponse.ImageOutput.ImageURL?
+                enum CodingKeys: String, CodingKey {
+                    case type, text
+                    case imageUrl = "image_url"
+                }
+            }
+
+            enum CodingKeys: String, CodingKey {
+                case role, content, images, reasoning
+            }
+
+            init(from decoder: Decoder) throws {
+                let c = try decoder.container(keyedBy: CodingKeys.self)
+                role = try c.decodeIfPresent(String.self, forKey: .role)
+                images = try c.decodeIfPresent([OpenRouterChatResponse.ImageOutput].self, forKey: .images)
+                reasoning = try c.decodeIfPresent(String.self, forKey: .reasoning)
+                // content can be a plain String OR an array of content blocks
+                if let text = try? c.decodeIfPresent(String.self, forKey: .content) {
+                    content = text
+                    contentBlockImages = []
+                } else if let blocks = try? c.decodeIfPresent([ContentBlock].self, forKey: .content) {
+                    content = blocks.compactMap { $0.text }.joined().nonEmptyOrNil
+                    contentBlockImages = blocks.compactMap { block in
+                        guard block.type == "image_url", let url = block.imageUrl else { return nil }
+                        return OpenRouterChatResponse.ImageOutput(imageUrl: url)
+                    }
+                } else {
+                    content = nil
+                    contentBlockImages = []
+                }
+            }
         }
 
         enum CodingKeys: String, CodingKey {