feat: declare explicit media provider capabilities

extensions/video-generation-core/src/runtime.test.ts

@@ -126,7 +126,9 @@ describe("video-generation runtime", () => {
         defaultModel: "vid-v1",
         models: ["vid-v1"],
         capabilities: {
-          supportsAudio: true,
+          generate: {
+            supportsAudio: true,
+          },
         },
         generateVideo: async () => ({
           videos: [{ buffer: Buffer.from("mp4-bytes"), mimeType: "video/mp4" }],
@@ -177,7 +179,9 @@ describe("video-generation runtime", () => {
     mocks.getVideoGenerationProvider.mockReturnValue({
       id: "openai",
       capabilities: {
-        supportsSize: true,
+        generate: {
+          supportsSize: true,
+        },
       },
       generateVideo: async (req) => {
         seenRequest = {

extensions/video-generation-core/src/runtime.ts

@@ -53,30 +53,24 @@ function resolveVideoGenerationModeCapabilities(params: {
   if (mode === "generate") {
     return {
       mode,
-      capabilities: capabilities.generate ?? capabilities,
+      capabilities: capabilities.generate,
     };
   }
   if (mode === "imageToVideo") {
     return {
       mode,
-      capabilities: capabilities.imageToVideo ?? {
-        ...capabilities,
-        enabled: (capabilities.maxInputImages ?? 0) > 0,
-      },
+      capabilities: capabilities.imageToVideo,
     };
   }
   if (mode === "videoToVideo") {
     return {
       mode,
-      capabilities: capabilities.videoToVideo ?? {
-        ...capabilities,
-        enabled: (capabilities.maxInputVideos ?? 0) > 0,
-      },
+      capabilities: capabilities.videoToVideo,
     };
   }
   return {
     mode,
-    capabilities,
+    capabilities: undefined,
   };
 }