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fix(tui): save clipboard-pasted images to temp files for MCP tool access #21633

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fix(tui): save clipboard-pasted images to temp files for MCP tool access #21633

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21 changes: 18 additions & 3 deletions packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,8 @@ import { BoxRenderable, TextareaRenderable, MouseEvent, PasteEvent, decodePasteB
import { createEffect, createMemo, onMount, createSignal, onCleanup, on, Show, Switch, Match } from "solid-js"
import "opentui-spinner/solid"
import path from "path"
import { fileURLToPath } from "url"
import { fileURLToPath, pathToFileURL } from "url"
import { tmpdir } from "os"
import { Filesystem } from "@/util/filesystem"
import { useLocal } from "@tui/context/local"
import { useTheme } from "@tui/context/theme"
Expand Down Expand Up @@ -789,14 +790,28 @@ export function Prompt(props: PromptProps) {
typeId: promptPartTypeId,
})

let url = `data:${file.mime};base64,${file.content}`
let filepath = file.filepath

if (!filepath && file.mime.startsWith("image/")) {
const ext = file.mime.split("/")[1] ?? "png"
filepath = path.join(tmpdir(), `opencode-paste-${Date.now()}.${ext}`)
try {
await Bun.write(filepath, Buffer.from(file.content, "base64"))
url = pathToFileURL(filepath).href
} catch {
// fall back to data URL
}
}

const part: Omit<FilePart, "id" | "messageID" | "sessionID"> = {
type: "file" as const,
mime: file.mime,
filename: file.filename,
url: `data:${file.mime};base64,${file.content}`,
url,
source: {
type: "file",
path: file.filepath ?? file.filename ?? "",
path: filepath ?? file.filename ?? "",
text: {
start: extmarkStart,
end: extmarkEnd,
Expand Down
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