Refine P2P and manual setup workflows

src/features/P2PSync/P2PReplicator/p2pPeerSettings.unit.spec.ts

@@ -0,0 +1,36 @@
+import { describe, expect, it } from "vitest";
+import type { ObsidianLiveSyncSettings } from "@vrtmrz/livesync-commonlib/compat/common/models/setting.type";
+import {
+    hasExactP2PPeer,
+    toggleExactP2PPeer,
+    togglePersistedP2PPeer,
+} from "./p2pPeerSettings";
+
+describe("persisted P2P peer controls", () => {
+    it("adds and removes only the selected peer without disturbing advanced patterns", () => {
+        const original = "~^phone-,desktop";
+
+        const added = toggleExactP2PPeer(original, "phone-main");
+        expect(added).toBe("~^phone-,desktop,phone-main");
+        expect(hasExactP2PPeer(added, "phone-main")).toBe(true);
+
+        const removed = toggleExactP2PPeer(added, "phone-main");
+        expect(removed).toBe(original);
+    });
+
+    it.each([
+        "P2P_AutoSyncPeers",
+        "P2P_AutoWatchPeers",
+        "P2P_SyncOnReplication",
+    ] as const)("updates %s through the same profile-backed setting boundary", (setting) => {
+        const settings = {
+            P2P_AutoSyncPeers: "",
+            P2P_AutoWatchPeers: "",
+            P2P_SyncOnReplication: "",
+        } as ObsidianLiveSyncSettings;
+
+        expect(togglePersistedP2PPeer(settings, setting, "peer-a")).toEqual({
+            [setting]: "peer-a",
+        });
+    });
+});