Rebrand: Nexus Terminal → Alchementary Link

Renames the product across the codebase: Go module path, config/data
paths, keychain service name, export file extension, build tooling,
docs, and UI text. Sidebar brand mark now reads ">_ AlchementaryLink"
with "Alchementary" in the connection-group gold accent colour, and
the window title is "Alchementary Link".

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019T8bJS8BCtY5GeSG2HBj1n

frontend/scripts/build.js

@@ -1,5 +1,5 @@
 /**
- * build.js — Build script for the Nexus Terminal frontend.
+ * build.js — Build script for the Alchementary Link frontend.
  *
  * In production mode (no flags): copies vendor assets, assembles the
  * dist/ directory with all files needed by the Wails embed, and validates

frontend/scripts/test-irc.js

@@ -8,7 +8,7 @@ const frontendRoot = path.resolve(__dirname, "..");
 const source = fs.readFileSync(path.join(frontendRoot, "src/js/irc.js"), "utf8");
 const context = {
   window: {
-    NexusTerminal: {
+    AlchementaryLink: {
       createElement: () => {
         throw new Error("formatting tests must not create DOM elements");
       },
@@ -18,7 +18,7 @@ const context = {
 vm.createContext(context);
 vm.runInContext(source, context, { filename: "src/js/irc.js" });
 
-const formatting = context.window.NexusTerminal.IRCFormatting;
+const formatting = context.window.AlchementaryLink.IRCFormatting;
 assert.ok(formatting, "IRC formatting helpers should be exported");
 
 assert.strictEqual(

frontend/scripts/test-regressions.js

@@ -143,7 +143,7 @@ assertContains(
 assertContains(
   "frontend/index.html",
   "mode-leviathan",
-  "Leviathan mode toggle must be present beside Nexus Terminal",
+  "Leviathan mode toggle must be present beside Alchementary Link",
 );
 assertContains(
   "frontend/index.html",
@@ -232,12 +232,12 @@ assertContains(
 );
 assertContains(
   "frontend/src/js/app.js",
-  "window.NexusTerminal.VNCViewer?.destroyViewer(sessionId)",
+  "window.AlchementaryLink.VNCViewer?.destroyViewer(sessionId)",
   "session teardown must disconnect and remove VNC viewers",
 );
 assertContains(
   "frontend/src/js/app.js",
-  "window.NexusTerminal.IRCViewer?.destroyViewer(sessionId)",
+  "window.AlchementaryLink.IRCViewer?.destroyViewer(sessionId)",
   "session teardown must dispose IRC terminals and resize observers",
 );
 assertContains(
@@ -262,7 +262,7 @@ assertContains(
 );
 assertContains(
   "frontend/src/js/splitpane.js",
-  "await window.NexusTerminal.wailsService.DisconnectSession(sessionInfo.id)",
+  "await window.AlchementaryLink.wailsService.DisconnectSession(sessionInfo.id)",
   "late split-pane connection results must be disconnected after their pane closes",
 );
 assertContains(
@@ -404,7 +404,7 @@ assertContains(
 assertContains(
   "internal/api/leviathan.go",
   "LeviathanRunTool",
-  "Nexus API must expose the imported Leviathan engine",
+  "Link API must expose the imported Leviathan engine",
 );
 assertNotContains(
   "internal/api/leviathan.go",
@@ -528,12 +528,12 @@ assertNotContains(
 );
 assertContains(
   "build.sh",
-  "NEXUS_COMPRESS",
+  "LINK_COMPRESS",
   "local builds must expose an explicit compression switch",
 );
 assertContains(
   "scripts/build-common.sh",
-  "nexus_use_upx_for_target",
+  "link_use_upx_for_target",
   "build scripts must share one UPX target-selection helper",
 );
 assertContains(
@@ -563,7 +563,7 @@ assertContains(
 );
 assertContains(
   "Makefile",
-  "NEXUS_FORCE_MACOS_UPX",
+  "LINK_FORCE_MACOS_UPX",
   "Makefile compressed builds must make macOS UPX opt-in",
 );
 assertTreeNotContains(

frontend/scripts/test-session-lifecycle.js

@@ -14,7 +14,7 @@ function loadScript(relativePath, additions = {}) {
     Set,
     setTimeout,
     clearTimeout,
-    window: { NexusTerminal: {} },
+    window: { AlchementaryLink: {} },
     document: {
       querySelector: () => null,
       addEventListener: () => {},
@@ -32,7 +32,7 @@ function loadScript(relativePath, additions = {}) {
 
 async function testRepeatedSplitCleanup() {
   const context = loadScript("src/js/splitpane.js");
-  const SplitPaneManager = context.window.NexusTerminal.SplitPaneManager;
+  const SplitPaneManager = context.window.AlchementaryLink.SplitPaneManager;
   const closed = [];
   const app = {
     closeSessionImmediate: async (sessionId, options) => {
@@ -100,7 +100,7 @@ async function testRepeatedSplitCleanup() {
 
 function testClosedPaneRejectsLateConnection() {
   const context = loadScript("src/js/splitpane.js");
-  const SplitPaneManager = context.window.NexusTerminal.SplitPaneManager;
+  const SplitPaneManager = context.window.AlchementaryLink.SplitPaneManager;
   const manager = new SplitPaneManager({ closeSessionImmediate: async () => {} });
   const pane = {
     dataset: { paneId: "pane-1" },
@@ -128,7 +128,7 @@ function testClosedPaneRejectsLateConnection() {
 
 function testPerSessionStoresReleaseIDs() {
   const stateContext = loadScript("src/js/state.js");
-  const State = stateContext.window.NexusTerminal.State;
+  const State = stateContext.window.AlchementaryLink.State;
   const state = new State();
   state.addSession({ id: "session-1" });
   state.broadcastTargets = new Set(["session-1"]);
@@ -138,7 +138,7 @@ function testPerSessionStoresReleaseIDs() {
 
   const recordingContext = loadScript("src/js/recordings.js");
   const RecordingManager =
-    recordingContext.window.NexusTerminal.RecordingManager;
+    recordingContext.window.AlchementaryLink.RecordingManager;
   const recordings = new RecordingManager({});
   recordings.activeSessions.add("session-1");
   recordings.cleanup("session-1");
@@ -149,7 +149,7 @@ async function testCompleteAppTeardownIsImmediateAndIdempotent() {
   let finishBackendClose;
   let backendCloses = 0;
   const context = loadScript("src/js/app.js");
-  const App = context.window.NexusTerminal.App;
+  const App = context.window.AlchementaryLink.App;
   const app = Object.create(App.prototype);
   const resources = {
     sftp: new Set(["session-1"]),
@@ -195,10 +195,10 @@ async function testCompleteAppTeardownIsImmediateAndIdempotent() {
   };
   app.updateStatusBar = () => {};
 
-  context.window.NexusTerminal.GitHubViewer = drop("github");
-  context.window.NexusTerminal.VNCViewer = drop("vnc");
-  context.window.NexusTerminal.IRCViewer = drop("irc");
-  context.window.NexusTerminal.wailsService = {
+  context.window.AlchementaryLink.GitHubViewer = drop("github");
+  context.window.AlchementaryLink.VNCViewer = drop("vnc");
+  context.window.AlchementaryLink.IRCViewer = drop("irc");
+  context.window.AlchementaryLink.wailsService = {
     DisconnectSession: () => {
       backendCloses++;
       return new Promise((resolve) => {
@@ -240,7 +240,7 @@ async function testLatencyPingIsSingleFlightAndIgnoresStaleResults() {
       addEventListener: () => {},
     },
   });
-  const App = context.window.NexusTerminal.App;
+  const App = context.window.AlchementaryLink.App;
   const app = Object.create(App.prototype);
   app._latencySessionID = null;
   app._latencyTimer = null;
@@ -248,7 +248,7 @@ async function testLatencyPingIsSingleFlightAndIgnoresStaleResults() {
   app._latencyPingInFlight = false;
 
   const pending = [];
-  context.window.NexusTerminal.wailsService = {
+  context.window.AlchementaryLink.wailsService = {
     PingSession: (sessionID) =>
       new Promise((resolve, reject) => {
         pending.push({ sessionID, resolve, reject });