From e7ed2fc9f68b4397719b9d58aa52f01a83f4ed38 Mon Sep 17 00:00:00 2001
From: Julius Marminge <51714798+juliusmarminge@users.noreply.github.com>
Date: Sat, 5 Sep 2026 00:05:52 -0700
Subject: [PATCH] refactor(web): remove unused terminal context preview
 formatter

---
 apps/web/src/lib/terminalContext.test.ts | 15 ----------
 apps/web/src/lib/terminalContext.ts      | 35 ------------------------
 2 files changed, 50 deletions(-)

diff --git a/apps/web/src/lib/terminalContext.test.ts b/apps/web/src/lib/terminalContext.test.ts
index 4b520c9bef4a..199054b1d84b 100644
--- a/apps/web/src/lib/terminalContext.test.ts
+++ b/apps/web/src/lib/terminalContext.test.ts
@@ -3,7 +3,6 @@ import { describe, expect, it } from "vite-plus/test";
 
 import {
   appendTerminalContextsToPrompt,
-  buildTerminalContextPreviewTitle,
   buildTerminalContextBlock,
   countInlineTerminalContextPlaceholders,
   deriveDisplayedUserMessageState,
@@ -135,20 +134,6 @@ describe("terminalContext", () => {
     });
   });
 
-  it("returns null preview title when every context is invalid", () => {
-    expect(
-      buildTerminalContextPreviewTitle([
-        makeContext({
-          terminalId: "   ",
-        }),
-        makeContext({
-          id: "context-2",
-          text: "\n\n",
-        }),
-      ]),
-    ).toBeNull();
-  });
-
   it("tracks inline terminal context placeholders in prompt text", () => {
     const placeholder = INLINE_TERMINAL_CONTEXT_PLACEHOLDER;
     expect(countInlineTerminalContextPlaceholders(`a${placeholder}b${placeholder}`)).toBe(2);
diff --git a/apps/web/src/lib/terminalContext.ts b/apps/web/src/lib/terminalContext.ts
index 72f49a2f22d2..4cdbc019255d 100644
--- a/apps/web/src/lib/terminalContext.ts
+++ b/apps/web/src/lib/terminalContext.ts
@@ -65,20 +65,6 @@ export function filterTerminalContextsWithText<T extends { text: string }>(
   return contexts.filter((context) => hasTerminalContextText(context));
 }
 
-function previewTerminalContextText(text: string): string {
-  const normalized = normalizeTerminalContextText(text);
-  if (normalized.length === 0) {
-    return "";
-  }
-  const lines = normalized.split("\n");
-  const visibleLines = lines.slice(0, 3);
-  if (lines.length > 3) {
-    visibleLines.push("...");
-  }
-  const preview = visibleLines.join("\n");
-  return preview.length > 180 ? `${preview.slice(0, 177)}...` : preview;
-}
-
 export function normalizeTerminalContextSelection(
   selection: TerminalContextSelection,
 ): TerminalContextSelection | null {
@@ -129,27 +115,6 @@ export function formatInlineTerminalContextLabel(selection: {
   return `@${terminalLabel}:${range}`;
 }
 
-export function buildTerminalContextPreviewTitle(
-  contexts: ReadonlyArray<TerminalContextSelection>,
-): string | null {
-  if (contexts.length === 0) {
-    return null;
-  }
-  const previewParts: string[] = [];
-  for (const context of contexts) {
-    const normalized = normalizeTerminalContextSelection(context);
-    if (!normalized) continue;
-    const preview = previewTerminalContextText(normalized.text);
-    previewParts.push(
-      preview.length > 0
-        ? `${formatTerminalContextLabel(normalized)}\n${preview}`
-        : formatTerminalContextLabel(normalized),
-    );
-  }
-  const previews = previewParts.join("\n\n");
-  return previews.length > 0 ? previews : null;
-}
-
 function buildTerminalContextBodyLines(selection: TerminalContextSelection): string[] {
   return normalizeTerminalContextText(selection.text)
     .split("\n")