chore: update OpenAPI spec [sdk-bot]

Co-authored-by: OpenRouter SDK Bot <sdk-bot@openrouter.ai>

.speakeasy/in.openapi.yaml

@@ -1057,6 +1057,33 @@ components:
         - type
         - data
       type: object
+    AnthropicRefusalStopDetails:
+      description: Structured information about a refusal
+      example:
+        category: cyber
+        explanation: The request was refused due to policy.
+        type: refusal
+      nullable: true
+      properties:
+        category:
+          enum:
+            - cyber
+            - bio
+            - null
+          nullable: true
+          type: string
+        explanation:
+          nullable: true
+          type: string
+        type:
+          enum:
+            - refusal
+          type: string
+      required:
+        - type
+        - category
+        - explanation
+      type: object
     AnthropicSearchResultBlockParam:
       example:
         content:
@@ -2315,6 +2342,7 @@ components:
         id: msg_01XFDUDYJgAACzvnptvVoYEL
         model: claude-sonnet-4-5-20250929
         role: assistant
+        stop_details: null
         stop_reason: end_turn
         stop_sequence: null
         type: message
@@ -2338,6 +2366,8 @@ components:
           enum:
             - assistant
           type: string
+        stop_details:
+          $ref: '#/components/schemas/AnthropicRefusalStopDetails'
         stop_reason:
           $ref: '#/components/schemas/ORAnthropicStopReason'
         stop_sequence:
@@ -2375,6 +2405,7 @@ components:
         - content
         - model
         - stop_reason
+        - stop_details
         - stop_sequence
         - usage
       type: object
@@ -5385,6 +5416,24 @@ components:
       required:
         - type
       type: object
+    FrameImage:
+      allOf:
+        - $ref: '#/components/schemas/ContentPartImage'
+        - properties:
+            frame_type:
+              description: Whether this image represents the first or last frame of the video
+              enum:
+                - first_frame
+                - last_frame
+              example: first_frame
+              type: string
+          required:
+            - frame_type
+          type: object
+      example:
+        image_url:
+          url: https://example.com/image.png
+        type: image_url
     FunctionCallArgsDeltaEvent:
       allOf:
         - $ref: '#/components/schemas/BaseFunctionCallArgsDeltaEvent'
@@ -6737,6 +6786,7 @@ components:
       description: Event sent when the message metadata changes (e.g., stop_reason)
       example:
         delta:
+          stop_details: null
           stop_reason: end_turn
           stop_sequence: null
         type: message_delta
@@ -6747,6 +6797,8 @@ components:
           properties:
             container:
               $ref: '#/components/schemas/AnthropicContainer'
+            stop_details:
+              $ref: '#/components/schemas/AnthropicRefusalStopDetails'
             stop_reason:
               $ref: '#/components/schemas/ORAnthropicStopReason'
             stop_sequence:
@@ -6754,6 +6806,7 @@ components:
               type: string
           required:
             - container
+            - stop_details
             - stop_reason
             - stop_sequence
           type: object
@@ -7537,6 +7590,7 @@ components:
         id: msg_01XFDUDYJgAACzvnptvVoYEL
         model: claude-sonnet-4-5-20250929
         role: assistant
+        stop_details: null
         stop_reason: end_turn
         stop_sequence: null
         type: message
@@ -7557,6 +7611,7 @@ components:
           id: msg_01XFDUDYJgAACzvnptvVoYEL
           model: claude-sonnet-4-5-20250929
           role: assistant
+          stop_details: null
           stop_reason: null
           stop_sequence: null
           type: message
@@ -7688,6 +7743,8 @@ components:
               enum:
                 - assistant
               type: string
+            stop_details:
+              $ref: '#/components/schemas/AnthropicRefusalStopDetails'
             stop_reason:
               nullable: true
             stop_sequence:
@@ -7724,6 +7781,7 @@ components:
             - content
             - model
             - stop_reason
+            - stop_details
             - stop_sequence
             - usage
           type: object
@@ -12109,10 +12167,17 @@ components:
           exclusiveMinimum: true
           minimum: 0
           type: integer
+        frame_images:
+          description: >-
+            Images to use as the first and/or last frame of the generated video. Each image must specify a frame_type of
+            first_frame or last_frame.
+          items:
+            $ref: '#/components/schemas/FrameImage'
+          type: array
         generate_audio:
           description: >-
-            Whether to generate audio alongside the video. Defaults to true for models that support audio output, false
-            otherwise.
+            Whether to generate audio alongside the video. Defaults to the endpoint's generate_audio capability flag,
+            false if not set.
           example: true
           type: boolean
         input_references:
@@ -12636,10 +12701,12 @@ components:
         canonical_slug: google/veo-3.1
         created: 1700000000
         description: Google video generation model
+        generate_audio: true
         id: google/veo-3.1
         name: Veo 3.1
         pricing_skus:
           generate: '0.50'
+        seed: null
         supported_aspect_ratios:
           - '16:9'
         supported_durations:
@@ -12666,6 +12733,10 @@ components:
           description: Description of the model
           example: GPT-4 is a large multimodal model that can solve difficult problems with greater accuracy.
           type: string
+        generate_audio:
+          description: Whether the model supports generating audio alongside video
+          nullable: true
+          type: boolean
         hugging_face_id:
           description: Hugging Face model identifier, if applicable
           example: microsoft/DialoGPT-medium
@@ -12685,6 +12756,10 @@ components:
           description: Pricing SKUs with provider prefix stripped, values as strings
           nullable: true
           type: object
+        seed:
+          description: Whether the model supports deterministic generation via seed parameter
+          nullable: true
+          type: boolean
         supported_aspect_ratios:
           description: Supported output aspect ratios
           items:
@@ -12762,6 +12837,8 @@ components:
         - supported_aspect_ratios
         - supported_sizes
         - supported_durations
+        - generate_audio
+        - seed
         - allowed_passthrough_parameters
       type: object
     VideoModelsListResponse:
@@ -12771,10 +12848,12 @@ components:
             canonical_slug: google/veo-3.1
             created: 1700000000
             description: Google video generation model
+            generate_audio: true
             id: google/veo-3.1
             name: Veo 3.1
             pricing_skus:
               generate: '0.50'
+            seed: null
             supported_aspect_ratios:
               - '16:9'
             supported_durations:
@@ -19085,10 +19164,12 @@ paths:
                     canonical_slug: google/veo-3.1
                     created: 1700000000
                     description: Google video generation model
+                    generate_audio: true
                     id: google/veo-3.1
                     name: Veo 3.1
                     pricing_skus:
                       generate: '0.50'
+                    seed: null
                     supported_aspect_ratios:
                       - '16:9'
                     supported_durations: