diff --git a/packages/tui/src/clipboard.ts b/packages/tui/src/clipboard.ts
index 2ae29da88894..d3802bed7540 100644
--- a/packages/tui/src/clipboard.ts
+++ b/packages/tui/src/clipboard.ts
@@ -94,32 +94,40 @@ export function copyCommand(
   }
 }
 
-let copyMethod: Promise<(text: string) => Promise<void>> | undefined
+export type ClipboardDeps = {
+  os: NodeJS.Platform
+  wayland: boolean
+  has: (name: string) => boolean
+  command: (command: string, args: string[], input?: string) => Promise<unknown>
+  clipboardy: { write(text: string): Promise<void> }
+}
 
-function getCopyMethod() {
-  return (copyMethod ??= (async () => {
-    const { which } = await import("@opencode-ai/core/util/which")
-    const native = copyCommand(platform(), Boolean(process.env.WAYLAND_DISPLAY), (name) => Boolean(which(name)))
-    if (native?.[0] === "osascript") {
-      return async (text: string) => {
-        const escaped = text.replace(/\\/g, "\\\\").replace(/"/g, '\\"')
-        await command("osascript", ["-e", `set the clipboard to "${escaped}"`]).catch(() => undefined)
-      }
-    }
-    if (native) {
-      return async (text: string) => {
-        await command(native[0], native.slice(1), text).catch(() => undefined)
-      }
-    }
-    return async (text: string) => {
-      const { default: clipboardy } = await import("clipboardy")
-      await clipboardy.write(text).catch(() => undefined)
-    }
-  })())
+export async function writeWith(deps: ClipboardDeps, text: string): Promise<void> {
+  const native = copyCommand(deps.os, deps.wayland, deps.has)
+  if (native?.[0] === "osascript") {
+    const escaped = text.replace(/\\/g, "\\\\").replace(/"/g, '\\"')
+    await deps.command("osascript", ["-e", `set the clipboard to "${escaped}"`])
+    return
+  }
+  if (native) {
+    await deps.command(native[0], native.slice(1), text)
+    return
+  }
+  await deps.clipboardy.write(text)
 }
 
 export async function write(text: string) {
   writeOsc52(text)
-  const method = await getCopyMethod()
-  await method(text)
+  const { which } = await import("@opencode-ai/core/util/which")
+  const { default: clipboardy } = await import("clipboardy")
+  await writeWith(
+    {
+      os: platform(),
+      wayland: Boolean(process.env.WAYLAND_DISPLAY),
+      has: (name) => Boolean(which(name)),
+      command,
+      clipboardy,
+    },
+    text,
+  )
 }
diff --git a/packages/tui/src/component/error-component.tsx b/packages/tui/src/component/error-component.tsx
index 1141da83822e..f52ad87574c1 100644
--- a/packages/tui/src/component/error-component.tsx
+++ b/packages/tui/src/component/error-component.tsx
@@ -45,7 +45,7 @@ export function ErrorComponent(props: { error: Error; reset: () => void; mode?:
   const issueURL = buildIssueURL(message, stack)
 
   const copyReport = () => {
-    void clipboard.write?.(issueURL.toString()).then(() => setCopied(true))
+    void clipboard.write?.(issueURL.toString()).then(() => setCopied(true)).catch(() => {})
   }
 
   const actions = [
diff --git a/packages/tui/src/routes/session/dialog-message.tsx b/packages/tui/src/routes/session/dialog-message.tsx
index b7d01842060b..8a8801e698c6 100644
--- a/packages/tui/src/routes/session/dialog-message.tsx
+++ b/packages/tui/src/routes/session/dialog-message.tsx
@@ -69,7 +69,7 @@ export function DialogMessage(props: {
               return agg
             }, "")
 
-            await clipboard.write?.(text)
+            await clipboard.write?.(text).catch(() => {})
             dialog.clear()
           },
         },
diff --git a/packages/tui/test/clipboard.test.ts b/packages/tui/test/clipboard.test.ts
index f2d4994c7e2a..e172b69f98ec 100644
--- a/packages/tui/test/clipboard.test.ts
+++ b/packages/tui/test/clipboard.test.ts
@@ -1,5 +1,5 @@
 import { expect, test } from "bun:test"
-import { copyCommand } from "../src/clipboard"
+import { copyCommand, writeWith, type ClipboardDeps } from "../src/clipboard"
 
 test("prefers Wayland clipboard when available", () => {
   expect(copyCommand("linux", true, (name) => name === "wl-copy")).toEqual(["wl-copy"])
@@ -17,3 +17,70 @@ test("falls back through X11 clipboard commands", () => {
 test("returns undefined when native clipboard is unavailable", () => {
   expect(copyCommand("linux", false, () => false)).toBeUndefined()
 })
+
+function writeDeps(overrides?: Partial<ClipboardDeps>): ClipboardDeps {
+  return {
+    os: "linux",
+    wayland: false,
+    has: () => true,
+    command: async () => {},
+    clipboardy: { write: async () => {} },
+    ...overrides,
+  }
+}
+
+test("rejects when the native clipboard command fails", () => {
+  expect(
+    writeWith(
+      writeDeps({
+        command: async () => {
+          throw new Error("xclip failed")
+        },
+      }),
+      "hello",
+    ),
+  ).rejects.toThrow("xclip failed")
+})
+
+test("rejects when the clipboardy fallback fails", () => {
+  expect(
+    writeWith(
+      writeDeps({
+        has: () => false,
+        clipboardy: {
+          write: async () => {
+            throw new Error("xsel missing")
+          },
+        },
+      }),
+      "hello",
+    ),
+  ).rejects.toThrow("xsel missing")
+})
+
+test("resolves when the native clipboard command succeeds", async () => {
+  const calls: string[] = []
+  await writeWith(
+    writeDeps({
+      command: async (cmd, args) => {
+        calls.push(cmd, ...args)
+      },
+    }),
+    "hello",
+  )
+  expect(calls[0]).toBe("xclip")
+})
+
+test("escapes text for osascript", async () => {
+  let received: string | undefined
+  await writeWith(
+    writeDeps({
+      os: "darwin",
+      command: async (_, args) => {
+        received = args[1]
+      },
+    }),
+    `say "hi"`,
+  )
+  expect(received).toBe('set the clipboard to "say \\"hi\\""')
+})