fix(opencode): update pasteImage to only increment count when the previous attachment is an image too (#14173)

Author: OpeOginni

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -694,7 +694,7 @@ export function Prompt(props: PromptProps) {
   async function pasteImage(file: { filename?: string; content: string; mime: string }) {
     const currentOffset = input.visualCursor.offset
     const extmarkStart = currentOffset
-    const count = store.prompt.parts.filter((x) => x.type === "file").length
+    const count = store.prompt.parts.filter((x) => x.type === "file" && x.mime.startsWith("image/")).length
     const virtualText = `[Image ${count + 1}]`
     const extmarkEnd = extmarkStart + virtualText.length
     const textToInsert = virtualText + " "