diff --git a/src/hooks/hashline-read-enhancer/hook.ts b/src/hooks/hashline-read-enhancer/hook.ts
index b6f4db30..09a46c11 100644
--- a/src/hooks/hashline-read-enhancer/hook.ts
+++ b/src/hooks/hashline-read-enhancer/hook.ts
@@ -1,6 +1,5 @@
 import type { PluginInput } from "@opencode-ai/plugin"
 import { computeLineHash } from "../../tools/hashline-edit/hash-computation"
-import { toHashlineContent } from "../../tools/hashline-edit/diff-utils"
 
 interface HashlineReadEnhancerConfig {
   hashline_edit?: { enabled: boolean }
@@ -137,10 +136,6 @@ function extractFilePath(metadata: unknown): string | undefined {
 }
 
 async function appendWriteHashlineOutput(output: { output: string; metadata: unknown }): Promise<void> {
-  if (output.output.includes("Updated file (LINE#ID|content):")) {
-    return
-  }
-
   const filePath = extractFilePath(output.metadata)
   if (!filePath) {
     return
@@ -152,8 +147,8 @@ async function appendWriteHashlineOutput(output: { output: string; metadata: unk
   }
 
   const content = await file.text()
-  const hashlined = toHashlineContent(content)
-  output.output = `${output.output}\n\nUpdated file (LINE#ID|content):\n${hashlined}`
+  const lineCount = content === "" ? 0 : content.split("\n").length
+  output.output = `File written successfully. ${lineCount} lines written.`
 }
 
 export function createHashlineReadEnhancerHook(
diff --git a/src/hooks/hashline-read-enhancer/index.test.ts b/src/hooks/hashline-read-enhancer/index.test.ts
index 0f41874b..627380e0 100644
--- a/src/hooks/hashline-read-enhancer/index.test.ts
+++ b/src/hooks/hashline-read-enhancer/index.test.ts
@@ -164,7 +164,7 @@ describe("hashline-read-enhancer", () => {
     expect(lines[2]).toMatch(/^2#[ZPMQVRWSNKTXJBYH]{2}\|const y = 2$/)
   })
 
-  it("appends LINE#ID output for write tool using metadata filepath", async () => {
+  it("appends simple summary for write tool instead of full hashlined content", async () => {
     //#given
     const hook = createHashlineReadEnhancerHook(mockCtx(), { hashline_edit: { enabled: true } })
     const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "hashline-write-"))
@@ -181,9 +181,10 @@ describe("hashline-read-enhancer", () => {
     await hook["tool.execute.after"](input, output)
 
     //#then
-    expect(output.output).toContain("Updated file (LINE#ID|content):")
-    expect(output.output).toMatch(/1#[ZPMQVRWSNKTXJBYH]{2}\|const x = 1/)
-    expect(output.output).toMatch(/2#[ZPMQVRWSNKTXJBYH]{2}\|const y = 2/)
+    expect(output.output).toContain("File written successfully.")
+    expect(output.output).toContain("2 lines written.")
+    expect(output.output).not.toContain("Updated file (LINE#ID|content):")
+    expect(output.output).not.toContain("const x = 1")
 
     fs.rmSync(tempDir, { recursive: true, force: true })
   })