chore: import upstream snapshot with attribution

apps/sim/tools/spotify/save_episodes.ts

@@ -0,0 +1,58 @@
+import type { ToolConfig, ToolResponse } from '@/tools/types'
+
+interface SpotifySaveEpisodesParams {
+  accessToken: string
+  episodeIds: string
+}
+
+interface SpotifySaveEpisodesResponse extends ToolResponse {
+  output: { success: boolean }
+}
+
+export const spotifySaveEpisodesTool: ToolConfig<
+  SpotifySaveEpisodesParams,
+  SpotifySaveEpisodesResponse
+> = {
+  id: 'spotify_save_episodes',
+  name: 'Spotify Save Episodes',
+  description: "Save podcast episodes to the user's library.",
+  version: '1.0.0',
+
+  oauth: {
+    required: true,
+    provider: 'spotify',
+    requiredScopes: ['user-library-modify'],
+  },
+
+  params: {
+    episodeIds: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'Comma-separated episode IDs (max 50)',
+    },
+  },
+
+  request: {
+    url: (params) => {
+      const ids = params.episodeIds
+        .split(',')
+        .map((id) => id.trim())
+        .slice(0, 50)
+        .join(',')
+      return `https://api.spotify.com/v1/me/episodes?ids=${ids}`
+    },
+    method: 'PUT',
+    headers: (params) => ({
+      Authorization: `Bearer ${params.accessToken}`,
+    }),
+  },
+
+  transformResponse: async (): Promise<SpotifySaveEpisodesResponse> => {
+    return { success: true, output: { success: true } }
+  },
+
+  outputs: {
+    success: { type: 'boolean', description: 'Whether episodes were saved' },
+  },
+}