fix(tui): gate Zed context on terminal env (#28517)

packages/opencode/test/cli/tui/editor-context-zed.test.ts

@@ -2,10 +2,25 @@ import { Database } from "bun:sqlite"
 import { mkdir, symlink } from "node:fs/promises"
 import os from "node:os"
 import path from "node:path"
-import { expect, spyOn, test } from "bun:test"
-import { offsetToPosition, resolveZedDbPath, resolveZedSelection } from "../../../src/cli/cmd/tui/context/editor-zed"
+import { afterEach, expect, spyOn, test } from "bun:test"
+import {
+  isZedTerminal,
+  offsetToPosition,
+  resolveZedDbPath,
+  resolveZedSelection,
+} from "../../../src/cli/cmd/tui/context/editor-zed"
 import { tmpdir } from "../../fixture/fixture"
 
+const originalZedTerm = process.env.ZED_TERM
+const originalTermProgram = process.env.TERM_PROGRAM
+
+afterEach(() => {
+  if (originalZedTerm === undefined) delete process.env.ZED_TERM
+  else process.env.ZED_TERM = originalZedTerm
+  if (originalTermProgram === undefined) delete process.env.TERM_PROGRAM
+  else process.env.TERM_PROGRAM = originalTermProgram
+})
+
 type ZedFixtureOptions = {
   workspacePaths?: string | null
   itemKind?: string
@@ -85,6 +100,19 @@ test("resolveZedDbPath skips candidates that cannot be stated", async () => {
   }
 })
 
+test("isZedTerminal only returns true for Zed terminal environments", () => {
+  delete process.env.ZED_TERM
+  delete process.env.TERM_PROGRAM
+  expect(isZedTerminal()).toBeFalse()
+
+  process.env.ZED_TERM = "true"
+  expect(isZedTerminal()).toBeTrue()
+
+  process.env.ZED_TERM = "false"
+  process.env.TERM_PROGRAM = "zed"
+  expect(isZedTerminal()).toBeTrue()
+})
+
 test("resolveZedSelection returns active editor selection", async () => {
   await using tmp = await tmpdir()
   const fixture = await writeZedFixture(tmp.path)