diff --git a/apps/loopover-miner-ui/src/vite-chat-discover-attempt-actions.test.ts b/apps/loopover-miner-ui/src/vite-chat-discover-attempt-actions.test.ts
new file mode 100644
index 0000000000..bf51148504
--- /dev/null
+++ b/apps/loopover-miner-ui/src/vite-chat-discover-attempt-actions.test.ts
@@ -0,0 +1,38 @@
+import { describe, expect, it, vi } from "vitest";
+
+// The plugin dynamically imports this module by the same relative path it resolves to from here
+// (apps/loopover-miner-ui/vite-chat-discover-attempt-actions.ts's `./src/lib/chat-discover-attempt-actions`
+// and this test's `./lib/chat-discover-attempt-actions` both resolve to src/lib/chat-discover-attempt-actions.ts)
+// — mocking it here intercepts the plugin's own dynamic import.
+const h = vi.hoisted(() => ({ registerDiscoverAttemptChatActions: vi.fn() }));
+vi.mock("./lib/chat-discover-attempt-actions", () => ({
+  registerDiscoverAttemptChatActions: h.registerDiscoverAttemptChatActions,
+}));
+
+import { chatDiscoverAttemptActionsPlugin } from "../vite-chat-discover-attempt-actions";
+
+// #7228: `vite preview` (the systemd-deployed persistent-service path per the README) only ever invokes
+// configurePreviewServer, never configureServer — proves the registration call also fires from that hook.
+describe("chatDiscoverAttemptActionsPlugin (#6837, #7228)", () => {
+  it("registers a configureServer and a configurePreviewServer hook", () => {
+    const plugin = chatDiscoverAttemptActionsPlugin();
+    expect(typeof plugin.configureServer).toBe("function");
+    expect(typeof plugin.configurePreviewServer).toBe("function");
+  });
+
+  it("invokes registerDiscoverAttemptChatActions when only configurePreviewServer is exercised", async () => {
+    h.registerDiscoverAttemptChatActions.mockClear();
+    const plugin = chatDiscoverAttemptActionsPlugin();
+    // @ts-expect-error -- configurePreviewServer's registration call reads no properties off its server arg.
+    plugin.configurePreviewServer?.();
+    await vi.waitFor(() => expect(h.registerDiscoverAttemptChatActions).toHaveBeenCalledTimes(1));
+  });
+
+  it("invokes registerDiscoverAttemptChatActions when configureServer is exercised (unchanged behavior)", async () => {
+    h.registerDiscoverAttemptChatActions.mockClear();
+    const plugin = chatDiscoverAttemptActionsPlugin();
+    // @ts-expect-error -- configureServer's registration call reads no properties off its server arg.
+    plugin.configureServer?.();
+    await vi.waitFor(() => expect(h.registerDiscoverAttemptChatActions).toHaveBeenCalledTimes(1));
+  });
+});
diff --git a/apps/loopover-miner-ui/src/vite-chat-governor-actions.test.ts b/apps/loopover-miner-ui/src/vite-chat-governor-actions.test.ts
new file mode 100644
index 0000000000..d7328d721b
--- /dev/null
+++ b/apps/loopover-miner-ui/src/vite-chat-governor-actions.test.ts
@@ -0,0 +1,36 @@
+import { describe, expect, it, vi } from "vitest";
+
+// The plugin dynamically imports this module by the same relative path it resolves to from here
+// (apps/loopover-miner-ui/vite-chat-governor-actions.ts's `./src/lib/chat-governor-actions` and this test's
+// `./lib/chat-governor-actions` both resolve to src/lib/chat-governor-actions.ts) — mocking it here intercepts
+// the plugin's own dynamic import.
+const h = vi.hoisted(() => ({ registerGovernorChatActions: vi.fn() }));
+vi.mock("./lib/chat-governor-actions", () => ({ registerGovernorChatActions: h.registerGovernorChatActions }));
+
+import { chatGovernorActionsPlugin } from "../vite-chat-governor-actions";
+
+// #7228: `vite preview` (the systemd-deployed persistent-service path per the README) only ever invokes
+// configurePreviewServer, never configureServer — proves the registration call also fires from that hook.
+describe("chatGovernorActionsPlugin (#6521, #7228)", () => {
+  it("registers a configureServer and a configurePreviewServer hook", () => {
+    const plugin = chatGovernorActionsPlugin();
+    expect(typeof plugin.configureServer).toBe("function");
+    expect(typeof plugin.configurePreviewServer).toBe("function");
+  });
+
+  it("invokes registerGovernorChatActions when only configurePreviewServer is exercised", async () => {
+    h.registerGovernorChatActions.mockClear();
+    const plugin = chatGovernorActionsPlugin();
+    // @ts-expect-error -- configurePreviewServer's registration call reads no properties off its server arg.
+    plugin.configurePreviewServer?.();
+    await vi.waitFor(() => expect(h.registerGovernorChatActions).toHaveBeenCalledTimes(1));
+  });
+
+  it("invokes registerGovernorChatActions when configureServer is exercised (unchanged behavior)", async () => {
+    h.registerGovernorChatActions.mockClear();
+    const plugin = chatGovernorActionsPlugin();
+    // @ts-expect-error -- configureServer's registration call reads no properties off its server arg.
+    plugin.configureServer?.();
+    await vi.waitFor(() => expect(h.registerGovernorChatActions).toHaveBeenCalledTimes(1));
+  });
+});
diff --git a/apps/loopover-miner-ui/vite-chat-discover-attempt-actions.ts b/apps/loopover-miner-ui/vite-chat-discover-attempt-actions.ts
index a9f3a08f7e..26e8000f1a 100644
--- a/apps/loopover-miner-ui/vite-chat-discover-attempt-actions.ts
+++ b/apps/loopover-miner-ui/vite-chat-discover-attempt-actions.ts
@@ -3,15 +3,21 @@ import type { Plugin } from "vite";
 // Registers discover/attempt chat actions into the shared registry on dev-server start (#6837). Handlers call
 // the existing miner-ui `requestDiscover` / `requestAttempt` clients — the same POST `/api/discover` and
 // `/api/attempt` path the routes already serve. No new /api/* route is added here (mirrors
-// vite-chat-governor-actions.ts).
+// vite-chat-governor-actions.ts). Also registers under `vite preview` (#7228) — the documented
+// persistent-service deployment path (systemd/loopover-miner-ui.service.example) only ever invokes
+// configurePreviewServer, never configureServer, and registerDiscoverAttemptChatActions is idempotent so
+// calling it from either hook is safe.
+
+function register(): void {
+  void import("./src/lib/chat-discover-attempt-actions").then((mod) => {
+    mod.registerDiscoverAttemptChatActions();
+  });
+}
 
 export function chatDiscoverAttemptActionsPlugin(): Plugin {
   return {
     name: "loopover-miner-chat-discover-attempt-actions",
-    configureServer() {
-      void import("./src/lib/chat-discover-attempt-actions").then((mod) => {
-        mod.registerDiscoverAttemptChatActions();
-      });
-    },
+    configureServer: register,
+    configurePreviewServer: register,
   };
 }
diff --git a/apps/loopover-miner-ui/vite-chat-governor-actions.ts b/apps/loopover-miner-ui/vite-chat-governor-actions.ts
index 6b2e3cf8ab..b98bf2b292 100644
--- a/apps/loopover-miner-ui/vite-chat-governor-actions.ts
+++ b/apps/loopover-miner-ui/vite-chat-governor-actions.ts
@@ -2,15 +2,21 @@ import type { Plugin } from "vite";
 
 // Registers governor pause/resume chat actions into the shared registry on dev-server start (#6521).
 // Handlers call the existing miner-ui `pauseGovernor` / `resumeGovernor` clients — same path as the Ledgers
-// buttons. No new /api/governor/* route is added here.
+// buttons. No new /api/governor/* route is added here. Also registers under `vite preview` (#7228) — the
+// documented persistent-service deployment path (systemd/loopover-miner-ui.service.example) only ever
+// invokes configurePreviewServer, never configureServer, and registerGovernorChatActions is idempotent so
+// calling it from either hook is safe.
+
+function register(): void {
+  void import("./src/lib/chat-governor-actions").then((mod) => {
+    mod.registerGovernorChatActions();
+  });
+}
 
 export function chatGovernorActionsPlugin(): Plugin {
   return {
     name: "loopover-miner-chat-governor-actions",
-    configureServer() {
-      void import("./src/lib/chat-governor-actions").then((mod) => {
-        mod.registerGovernorChatActions();
-      });
-    },
+    configureServer: register,
+    configurePreviewServer: register,
   };
 }