feat(app): autocomplete mcp resources (#34597)

packages/app/src/context/prompt.tsx

@@ -12,6 +12,7 @@ import { useTabs, type Tab } from "./tabs"
 import { ServerConnection } from "./server"
 import { requireServerKey } from "@/utils/session-route"
 import { useSettings } from "./settings"
+import type { FilePartSource } from "@opencode-ai/sdk/v2/client"
 
 interface PartBase {
   content: string
@@ -29,6 +30,8 @@ export interface FileAttachmentPart extends PartBase {
   selection?: FileSelection
   mime?: string
   filename?: string
+  url?: string
+  source?: FilePartSource
 }
 
 export interface AgentPart extends PartBase {