feat: move the terminal fully into the ssh-terminal plugin (B9)

plugins/ssh-terminal/tests/frontend/terminal/font-size-storage.test.ts

@@ -0,0 +1,32 @@
+import { beforeEach, describe, expect, it } from "vitest";
+import {
+  fontSizeStorageKey,
+  readFontSize,
+  saveFontSize,
+} from "../../../src/frontend/terminal/font-size-storage";
+
+beforeEach(() => localStorage.clear());
+describe("persistent terminal zoom", () => {
+  it("survives repeated mounts and option refreshes", () => {
+    const key = fontSizeStorageKey("host-sync-id");
+    saveFontSize(localStorage, key, 14, 18);
+    for (let mount = 0; mount < 3; mount++)
+      expect(readFontSize(localStorage, key, 14)).toBe(18);
+  });
+  it("invalidates an override when defaults change while unmounted", () => {
+    const key = fontSizeStorageKey(1);
+    saveFontSize(localStorage, key, 14, 18);
+    expect(readFontSize(localStorage, key, 16)).toBeNull();
+    expect(readFontSize(localStorage, key, 14)).toBeNull();
+  });
+  it("does not share storage for missing host identities", () => {
+    const key = fontSizeStorageKey(undefined);
+    saveFontSize(localStorage, key, 14, 18);
+    expect(readFontSize(localStorage, key, 14)).toBeNull();
+    expect(localStorage.length).toBe(0);
+  });
+  it("ignores legacy values without a known configured size", () => {
+    localStorage.setItem("legacy", "18");
+    expect(readFontSize(localStorage, "legacy", 14)).toBeNull();
+  });
+});