feat: refactor rbac/sharing to support new permissions and auth types

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "termix",
-  "version": "2.5.0",
+  "version": "2.5.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "termix",
-      "version": "2.5.0",
+      "version": "2.5.1",
       "hasInstallScript": true,
       "dependencies": {
         "@simplewebauthn/browser": "^13.3.0",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "termix",
   "private": true,
-  "version": "2.5.0",
+  "version": "2.5.1",
   "description": "Self-hosted SSH and remote desktop management.",
   "author": "Karmaa",
   "main": "electron/main.cjs",

src/backend/database/routes/user-admin-routes.ts

@@ -6,6 +6,7 @@ import { logAudit, getRequestMeta } from "../../utils/audit-logger.js";
 import bcrypt from "bcryptjs";
 import { nanoid } from "nanoid";
 import { AuthManager } from "../../utils/auth-manager.js";
+import { DataCrypto } from "../../utils/data-crypto.js";
 import {
   createCurrentRoleRepository,
   createCurrentUserRepository,
@@ -51,7 +52,11 @@ export function registerUserAdminRoutes(
    */
   router.get("/list", authenticateJWT, async (req, res) => {
     try {
-      const allUsers = await createCurrentUserRepository().listAll();
+      const userRepository = createCurrentUserRepository();
+      const requester = await userRepository.findById(
+        (req as AuthenticatedRequest).userId,
+      );
+      const allUsers = await userRepository.listAll();
 
       res.json({
         users: allUsers.map((u) => ({
@@ -60,6 +65,14 @@ export function registerUserAdminRoutes(
           is_admin: u.isAdmin,
           is_oidc: u.isOidc,
           password_hash: u.passwordHash ? "set" : null,
+          // Management-only details stay admin-eyes-only; regular users hit
+          // this route to pick sharing targets.
+          ...(requester?.isAdmin
+            ? {
+                data_unlocked: DataCrypto.canUserAccessData(u.id),
+                totp_enabled: !!u.totpEnabled,
+              }
+            : {}),
         })),
       });
     } catch (err) {
@@ -606,4 +619,176 @@ export function registerUserAdminRoutes(
       res.status(500).json({ error: "Failed to reset password" });
     }
   });
+
+  /**
+   * @openapi
+   * /users/admin/totp/disable:
+   *   post:
+   *     summary: Disable a user's TOTP (admin only)
+   *     description: Clears another user's TOTP secret, enabled flag and backup codes so they can log in without 2FA.
+   *     tags:
+   *       - Users
+   *     requestBody:
+   *       required: true
+   *       content:
+   *         application/json:
+   *           schema:
+   *             type: object
+   *             properties:
+   *               userId:
+   *                 type: string
+   *     responses:
+   *       200:
+   *         description: TOTP disabled for the user.
+   *       400:
+   *         description: User ID is required or TOTP is not enabled.
+   *       403:
+   *         description: Admin access required.
+   *       404:
+   *         description: User not found.
+   *       500:
+   *         description: Failed to disable TOTP.
+   */
+  router.post("/admin/totp/disable", authenticateJWT, async (req, res) => {
+    const adminId = (req as AuthenticatedRequest).userId;
+    const { userId: targetUserId } = req.body;
+
+    if (!isNonEmptyString(targetUserId)) {
+      return res.status(400).json({ error: "User ID is required" });
+    }
+
+    try {
+      const userRepository = createCurrentUserRepository();
+      const adminUser = await userRepository.findById(adminId);
+      if (!adminUser?.isAdmin) {
+        return res.status(403).json({ error: "Admin access required" });
+      }
+
+      const targetUser = await userRepository.findById(targetUserId.trim());
+      if (!targetUser) {
+        return res.status(404).json({ error: "User not found" });
+      }
+      if (!targetUser.totpEnabled) {
+        return res
+          .status(400)
+          .json({ error: "TOTP is not enabled for this user" });
+      }
+
+      await userRepository.update(targetUser.id, {
+        totpSecret: null,
+        totpEnabled: false,
+        totpBackupCodes: null,
+      });
+
+      try {
+        await DatabaseSaveTrigger.forceSave("admin_disable_totp");
+      } catch (saveError) {
+        authLogger.error("Failed to persist TOTP disable to disk", saveError, {
+          operation: "admin_disable_totp_save_failed",
+          userId: targetUser.id,
+        });
+      }
+
+      const { ipAddress, userAgent } = getRequestMeta(req);
+      await logAudit({
+        userId: adminId,
+        username: adminUser.username ?? adminId,
+        action: "admin_disable_totp",
+        resourceType: "user",
+        resourceId: targetUser.id,
+        resourceName: targetUser.username,
+        ipAddress,
+        userAgent,
+        success: true,
+      });
+
+      res.json({ message: "TOTP disabled" });
+    } catch (err) {
+      authLogger.error("Failed to disable TOTP for user", err);
+      res.status(500).json({ error: "Failed to disable TOTP" });
+    }
+  });
+
+  /**
+   * @openapi
+   * /users/admin/export/{userId}:
+   *   get:
+   *     summary: Export a user's data (admin only)
+   *     description: Downloads a JSON export of another user's data (hosts, credentials, file manager bookmarks). Secrets are decrypted server-side, so handle the file carefully.
+   *     tags:
+   *       - Users
+   *     parameters:
+   *       - in: path
+   *         name: userId
+   *         required: true
+   *         schema:
+   *           type: string
+   *     responses:
+   *       200:
+   *         description: JSON export of the user's data.
+   *       403:
+   *         description: Admin access required.
+   *       404:
+   *         description: User not found.
+   *       423:
+   *         description: The user's data stays locked until their next login.
+   *       500:
+   *         description: Failed to export user data.
+   */
+  router.get("/admin/export/:userId", authenticateJWT, async (req, res) => {
+    const adminId = (req as AuthenticatedRequest).userId;
+    const targetUserId = Array.isArray(req.params.userId)
+      ? req.params.userId[0]
+      : req.params.userId;
+
+    try {
+      const userRepository = createCurrentUserRepository();
+      const adminUser = await userRepository.findById(adminId);
+      if (!adminUser?.isAdmin) {
+        return res.status(403).json({ error: "Admin access required" });
+      }
+
+      const targetUser = await userRepository.findById(targetUserId);
+      if (!targetUser) {
+        return res.status(404).json({ error: "User not found" });
+      }
+
+      if (!DataCrypto.canUserAccessData(targetUser.id)) {
+        return res.status(423).json({
+          error: "Target user's data stays locked until their next login",
+          code: "TARGET_DATA_LOCKED",
+        });
+      }
+
+      const { UserDataExport } =
+        await import("../../utils/user-data-export.js");
+      const exportData = await UserDataExport.exportUserData(targetUser.id, {
+        format: "plaintext",
+        includeCredentials: true,
+      });
+
+      const { ipAddress, userAgent } = getRequestMeta(req);
+      await logAudit({
+        userId: adminId,
+        username: adminUser.username ?? adminId,
+        action: "admin_export_user_data",
+        resourceType: "user",
+        resourceId: targetUser.id,
+        resourceName: targetUser.username,
+        ipAddress,
+        userAgent,
+        success: true,
+      });
+
+      res.setHeader("Content-Type", "application/json");
+      res.setHeader(
+        "Content-Disposition",
+        `attachment; filename="termix-user-${targetUser.username}-export.json"`,
+      );
+      res.json(exportData);
+    } catch (err) {
+      authLogger.error("Failed to export user data", err);
+      res.status(500).json({ error: "Failed to export user data" });
+    }
+  });
 }

src/backend/hosts/host-resolver.ts

@@ -1,7 +1,9 @@
 import {
   createCurrentHostResolutionRepository,
   createCurrentVaultProfileRepository,
+  createCurrentUserRepository,
 } from "../database/repositories/factory.js";
+import { logAudit } from "../utils/audit-logger.js";
 import { logger } from "../utils/logger.js";
 import {
   pickResolvedPassword,
@@ -39,7 +41,28 @@ export async function resolveHostById(
 
   const host = resolvedHost as Record<string, unknown>;
 
-  if (userId !== ownerId) {
+  // Admin bypass resolves like the owner would; every such access is audited.
+  const ownerEquivalent = userId === ownerId || access.isAdminBypass === true;
+
+  if (access.isAdminBypass && userId !== ownerId) {
+    try {
+      const admin = await createCurrentUserRepository().findById(userId);
+      void logAudit({
+        userId,
+        username: admin?.username ?? "unknown",
+        action: "admin_connect_host",
+        resourceType: "host",
+        resourceId: String(hostId),
+        resourceName: (host.name as string) || (host.ip as string) || "",
+        details: JSON.stringify({ ownerId }),
+        success: true,
+      });
+    } catch {
+      // never block resolution on audit bookkeeping
+    }
+  }
+
+  if (!ownerEquivalent) {
     // Owner-only operational secrets are never shared.
     host.sudoPassword = null;
     host.autostartPassword = null;
@@ -91,7 +114,7 @@ export async function resolveHostById(
     }
   }
 
-  if (userId !== ownerId) {
+  if (!ownerEquivalent) {
     const resolved = await resolveSharedSshSecrets(
       host,
       hostId,
@@ -133,7 +156,7 @@ export async function resolveHostById(
 
   host.username = await expandOidcUsername(
     host.username as string | undefined,
-    userId,
+    ownerEquivalent ? ownerId : userId,
   );
 
   // Resolve a Vault SSH signer profile (shared settings, no secrets). The

src/backend/tests/database/routes/user-admin-routes.test.ts

@@ -0,0 +1,275 @@
+import { describe, it, expect, vi, beforeEach } from "vitest";
+import type { Request, RequestHandler, Response } from "express";
+
+const state = vi.hoisted(() => ({
+  currentUserId: "admin1",
+  users: new Map<
+    string,
+    {
+      id: string;
+      username: string;
+      isAdmin: boolean;
+      isOidc: boolean;
+      passwordHash: string | null;
+      totpEnabled: boolean;
+    }
+  >(),
+  unlockedUsers: new Set<string>(),
+  updates: [] as { id: string; changes: Record<string, unknown> }[],
+  auditCalls: [] as Record<string, unknown>[],
+}));
+
+vi.mock("../../../database/db/index.js", () => ({ db: {} }));
+
+vi.mock("../../../utils/logger.js", () => ({
+  authLogger: {
+    error: vi.fn(),
+    warn: vi.fn(),
+    info: vi.fn(),
+    success: vi.fn(),
+  },
+}));
+
+vi.mock("../../../utils/database-save-trigger.js", () => ({
+  DatabaseSaveTrigger: { forceSave: vi.fn(async () => {}) },
+}));
+
+vi.mock("../../../utils/audit-logger.js", () => ({
+  logAudit: async (params: Record<string, unknown>) => {
+    state.auditCalls.push(params);
+  },
+  getRequestMeta: () => ({ ipAddress: "", userAgent: "" }),
+}));
+
+vi.mock("../../../utils/data-crypto.js", () => ({
+  DataCrypto: {
+    canUserAccessData: (userId: string) => state.unlockedUsers.has(userId),
+  },
+}));
+
+vi.mock("../../../utils/auth-manager.js", () => ({
+  AuthManager: { getInstance: () => ({}) },
+}));
+
+vi.mock("../../../database/repositories/factory.js", () => ({
+  createCurrentUserRepository: () => ({
+    listAll: async () => [...state.users.values()],
+    findById: async (id: string) => state.users.get(id) ?? null,
+    findByUsername: async (username: string) =>
+      [...state.users.values()].find((u) => u.username === username) ?? null,
+    update: async (id: string, changes: Record<string, unknown>) => {
+      state.updates.push({ id, changes });
+      const user = state.users.get(id);
+      if (user) Object.assign(user, changes);
+    },
+  }),
+  createCurrentRoleRepository: () => ({
+    switchUserRoleName: async () => {},
+    assignRoleNameToUser: async () => {},
+  }),
+}));
+
+const { registerUserAdminRoutes } =
+  await import("../../../database/routes/user-admin-routes.js");
+
+// Capture the handlers registered on the router so we can invoke them directly
+// without spinning up an HTTP server.
+type Registered = { method: string; path: string; handler: RequestHandler };
+const registered: Registered[] = [];
+
+function fakeRouter() {
+  const record =
+    (method: string) =>
+    (path: string, ...handlers: RequestHandler[]) => {
+      registered.push({ method, path, handler: handlers[handlers.length - 1] });
+    };
+  return {
+    get: record("get"),
+    post: record("post"),
+    put: record("put"),
+    delete: record("delete"),
+  } as unknown as import("express").Router;
+}
+
+registerUserAdminRoutes(fakeRouter(), (_req, _res, next) => next());
+
+function findHandler(method: string, path: string): RequestHandler {
+  const match = registered.find((r) => r.method === method && r.path === path);
+  if (!match) throw new Error(`No handler for ${method} ${path}`);
+  return match.handler;
+}
+
+function makeReqRes(overrides: {
+  body?: Record<string, unknown>;
+  params?: Record<string, unknown>;
+}) {
+  const req = {
+    userId: state.currentUserId,
+    body: overrides.body ?? {},
+    params: overrides.params ?? {},
+    headers: {},
+  } as unknown as Request;
+
+  const res = {
+    statusCode: 200,
+    jsonBody: null as unknown,
+    headers: {} as Record<string, string>,
+    status(code: number) {
+      (this as unknown as { statusCode: number }).statusCode = code;
+      return this;
+    },
+    json(payload: unknown) {
+      (this as unknown as { jsonBody: unknown }).jsonBody = payload;
+      return this;
+    },
+    setHeader(key: string, value: string) {
+      (this as unknown as { headers: Record<string, string> }).headers[key] =
+        value;
+      return this;
+    },
+  } as unknown as Response & {
+    statusCode: number;
+    jsonBody: unknown;
+    headers: Record<string, string>;
+  };
+
+  return { req, res };
+}
+
+async function invoke(
+  method: string,
+  path: string,
+  overrides: {
+    body?: Record<string, unknown>;
+    params?: Record<string, unknown>;
+  } = {},
+) {
+  const handler = findHandler(method, path);
+  const { req, res } = makeReqRes(overrides);
+  await handler(req, res as unknown as Response, () => {});
+  return res as unknown as {
+    statusCode: number;
+    jsonBody: Record<string, unknown> | null;
+  };
+}
+
+beforeEach(() => {
+  state.currentUserId = "admin1";
+  state.users = new Map([
+    [
+      "admin1",
+      {
+        id: "admin1",
+        username: "admin",
+        isAdmin: true,
+        isOidc: false,
+        passwordHash: "hash",
+        totpEnabled: false,
+      },
+    ],
+    [
+      "target1",
+      {
+        id: "target1",
+        username: "target",
+        isAdmin: false,
+        isOidc: false,
+        passwordHash: "hash",
+        totpEnabled: true,
+      },
+    ],
+    [
+      "locked1",
+      {
+        id: "locked1",
+        username: "locked",
+        isAdmin: false,
+        isOidc: false,
+        passwordHash: "hash",
+        totpEnabled: false,
+      },
+    ],
+  ]);
+  state.unlockedUsers = new Set(["admin1", "target1"]);
+  state.updates = [];
+  state.auditCalls = [];
+});
+
+describe("GET /list", () => {
+  it("includes data_unlocked and totp_enabled for admin callers", async () => {
+    const res = await invoke("get", "/list");
+    expect(res.statusCode).toBe(200);
+    const users = (res.jsonBody as { users: Record<string, unknown>[] }).users;
+    const target = users.find((u) => u.userId === "target1")!;
+    expect(target.data_unlocked).toBe(true);
+    expect(target.totp_enabled).toBe(true);
+    const locked = users.find((u) => u.userId === "locked1")!;
+    expect(locked.data_unlocked).toBe(false);
+  });
+
+  it("omits management fields for non-admin callers", async () => {
+    state.currentUserId = "target1";
+    const res = await invoke("get", "/list");
+    const users = (res.jsonBody as { users: Record<string, unknown>[] }).users;
+    expect(users[0].data_unlocked).toBeUndefined();
+    expect(users[0].totp_enabled).toBeUndefined();
+  });
+});
+
+describe("POST /admin/totp/disable", () => {
+  it("clears TOTP fields for the target and audits", async () => {
+    const res = await invoke("post", "/admin/totp/disable", {
+      body: { userId: "target1" },
+    });
+    expect(res.statusCode).toBe(200);
+    const update = state.updates.find((u) => u.id === "target1");
+    expect(update?.changes).toMatchObject({
+      totpSecret: null,
+      totpEnabled: false,
+      totpBackupCodes: null,
+    });
+    expect(
+      state.auditCalls.some((c) => c.action === "admin_disable_totp"),
+    ).toBe(true);
+  });
+
+  it("403s when the caller is not an admin", async () => {
+    state.currentUserId = "target1";
+    const res = await invoke("post", "/admin/totp/disable", {
+      body: { userId: "locked1" },
+    });
+    expect(res.statusCode).toBe(403);
+  });
+
+  it("400s when TOTP is not enabled for the target", async () => {
+    const res = await invoke("post", "/admin/totp/disable", {
+      body: { userId: "locked1" },
+    });
+    expect(res.statusCode).toBe(400);
+  });
+
+  it("404s for an unknown target", async () => {
+    const res = await invoke("post", "/admin/totp/disable", {
+      body: { userId: "ghost" },
+    });
+    expect(res.statusCode).toBe(404);
+  });
+});
+
+describe("GET /admin/export/:userId", () => {
+  it("423s when the target's data is locked", async () => {
+    const res = await invoke("get", "/admin/export/:userId", {
+      params: { userId: "locked1" },
+    });
+    expect(res.statusCode).toBe(423);
+    expect((res.jsonBody as { code?: string }).code).toBe("TARGET_DATA_LOCKED");
+  });
+
+  it("403s when the caller is not an admin", async () => {
+    state.currentUserId = "target1";
+    const res = await invoke("get", "/admin/export/:userId", {
+      params: { userId: "admin1" },
+    });
+    expect(res.statusCode).toBe(403);
+  });
+});

src/backend/tests/hosts/host-resolver.test.ts

@@ -3,9 +3,11 @@ import { beforeEach, describe, expect, it, vi } from "vitest";
 const state = vi.hoisted(() => ({
   host: null as Record<string, unknown> | null,
   hasAccess: true,
+  isAdminBypass: false,
   overrideCredentialId: null as number | null,
   credentials: new Map<string, Record<string, unknown>>(),
   sharedSecret: null as Record<string, unknown> | null,
+  auditCalls: [] as Record<string, unknown>[],
 }));
 
 vi.mock("../../database/repositories/factory.js", () => ({
@@ -19,12 +21,24 @@ vi.mock("../../database/repositories/factory.js", () => ({
   createCurrentVaultProfileRepository: () => ({
     findById: async () => null,
   }),
+  createCurrentUserRepository: () => ({
+    findById: async (userId: string) => ({ id: userId, username: userId }),
+  }),
+}));
+
+vi.mock("../../utils/audit-logger.js", () => ({
+  logAudit: async (params: Record<string, unknown>) => {
+    state.auditCalls.push(params);
+  },
 }));
 
 vi.mock("../../utils/permission-manager.js", () => ({
   PermissionManager: {
     getInstance: () => ({
-      canAccessHost: async () => ({ hasAccess: state.hasAccess }),
+      canAccessHost: async () => ({
+        hasAccess: state.hasAccess,
+        isAdminBypass: state.isAdminBypass,
+      }),
     }),
   },
 }));
@@ -82,9 +96,11 @@ function baseHost(overrides: Record<string, unknown> = {}) {
 beforeEach(() => {
   state.host = baseHost();
   state.hasAccess = true;
+  state.isAdminBypass = false;
   state.overrideCredentialId = null;
   state.credentials.clear();
   state.sharedSecret = null;
+  state.auditCalls = [];
 });
 
 describe("resolveHostById", () => {
@@ -176,4 +192,53 @@ describe("resolveHostById", () => {
     const host = await resolveHostById(42, "recipient");
     expect(host).not.toBeNull();
   });
+
+  it("resolves an admin bypass like the owner, keeping owner-only secrets", async () => {
+    state.isAdminBypass = true;
+    state.host = baseHost({
+      authType: "credential",
+      credentialId: 9,
+      username: "",
+      password: null,
+    });
+    state.credentials.set("9:owner", {
+      id: 9,
+      username: "cred-user",
+      authType: "key",
+      password: null,
+      privateKey: "OWNER-PRIVATE-KEY",
+      key: null,
+      keyPassword: "kp",
+      keyType: "ssh-ed25519",
+      certPublicKey: null,
+    });
+
+    const host = (await resolveHostById(42, "adminUser")) as Record<
+      string,
+      unknown
+    >;
+    // Owner credential resolved (not the share snapshot path).
+    expect(host.key).toBe("OWNER-PRIVATE-KEY");
+    expect(host.username).toBe("cred-user");
+    // Owner-only operational secrets are NOT stripped for the admin.
+    expect(host.sudoPassword).toBe("owner-sudo");
+    expect(host.autostartPassword).toBe("auto-pass");
+  });
+
+  it("audits every admin-bypass host resolution", async () => {
+    state.isAdminBypass = true;
+    await resolveHostById(42, "adminUser");
+    expect(state.auditCalls).toHaveLength(1);
+    expect(state.auditCalls[0]).toMatchObject({
+      action: "admin_connect_host",
+      resourceType: "host",
+      resourceId: "42",
+      userId: "adminUser",
+    });
+  });
+
+  it("does not audit an ordinary owner resolution", async () => {
+    await resolveHostById(42, "owner");
+    expect(state.auditCalls).toHaveLength(0);
+  });
 });

src/backend/tests/utils/auth-manager-impersonation.test.ts

@@ -0,0 +1,219 @@
+import crypto from "crypto";
+import jwt from "jsonwebtoken";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const jwtSecret = "a".repeat(64);
+const encryptionKey = crypto.randomBytes(32);
+
+const state = vi.hoisted(() => ({
+  users: new Map<string, { id: string; isAdmin: boolean; username: string }>(),
+  unlockedUsers: new Set<string>(),
+  auditCalls: [] as Record<string, unknown>[],
+}));
+
+vi.mock("../../database/db/index.js", () => ({
+  db: {},
+  getDb: () => ({}),
+  saveMemoryDatabaseToFile: vi.fn(),
+}));
+
+vi.mock("../../database/repositories/factory.js", () => ({
+  createCurrentSettingsRepository: () => ({ get: async () => null }),
+  // No sessionId in our tokens, so the session branch is skipped.
+  createCurrentSessionRepository: () => ({ findById: async () => null }),
+  createCurrentUserRepository: () => ({
+    findById: async (userId: string) => state.users.get(userId) ?? null,
+  }),
+  createCurrentApiKeyRepository: () => ({}),
+  createCurrentTrustedDeviceRepository: () => ({}),
+  getCurrentSettingValue: () => null,
+}));
+
+vi.mock("../../utils/user-keys.js", () => ({
+  UserKeyManager: {
+    getInstance: () => ({
+      hasUserDEK: vi.fn(() => true),
+      tryGetUserDEK: vi.fn(() => null),
+      invalidate: vi.fn(),
+    }),
+  },
+}));
+
+vi.mock("../../utils/crypto-migration/dek-migration.js", () => ({
+  adoptRecoveredDEK: vi.fn(async () => {}),
+  migratePasswordUserAtLogin: vi.fn(async () => true),
+}));
+
+vi.mock("../../utils/system-crypto.js", () => ({
+  SystemCrypto: {
+    getInstance: () => ({
+      getJWTSecret: async () => jwtSecret,
+      getEncryptionKey: async () => encryptionKey,
+    }),
+  },
+}));
+
+vi.mock("../../utils/data-crypto.js", () => ({
+  DataCrypto: {
+    canUserAccessData: (userId: string) => state.unlockedUsers.has(userId),
+  },
+}));
+
+vi.mock("../../utils/audit-logger.js", () => ({
+  logAudit: async (params: Record<string, unknown>) => {
+    state.auditCalls.push(params);
+  },
+  getRequestMeta: () => ({ ipAddress: "", userAgent: "" }),
+}));
+
+const { AuthManager } = await import("../../utils/auth-manager.js");
+const authManager = AuthManager.getInstance();
+const middleware = authManager.createAuthMiddleware();
+
+type MockRes = {
+  statusCode: number | null;
+  body: unknown;
+  status: (code: number) => MockRes;
+  json: (payload: unknown) => MockRes;
+  clearCookie: () => MockRes;
+};
+
+function makeRes(): MockRes {
+  const res: MockRes = {
+    statusCode: null,
+    body: null,
+    status(code: number) {
+      res.statusCode = code;
+      return res;
+    },
+    json(payload: unknown) {
+      res.body = payload;
+      return res;
+    },
+    clearCookie() {
+      return res;
+    },
+  };
+  return res;
+}
+
+function runMiddleware(token: string, headers: Record<string, string> = {}) {
+  const req = {
+    cookies: { jwt: token },
+    headers,
+    method: "GET",
+    originalUrl: headers["__url"] ?? "/host/db/host",
+    url: headers["__url"] ?? "/host/db/host",
+    secure: false,
+  } as unknown as Parameters<typeof middleware>[0];
+  const res = makeRes();
+  let nexted = false;
+  return new Promise<{ req: typeof req; res: MockRes; nexted: boolean }>(
+    (resolve) => {
+      const next = () => {
+        nexted = true;
+        resolve({ req, res, nexted });
+      };
+      const maybe = middleware(
+        req,
+        res as unknown as Parameters<typeof middleware>[1],
+        next,
+      );
+      Promise.resolve(maybe).then(() => {
+        if (!nexted) resolve({ req, res, nexted });
+      });
+    },
+  );
+}
+
+function token(userId: string) {
+  return jwt.sign({ userId }, jwtSecret, { expiresIn: "1h" });
+}
+
+beforeEach(() => {
+  state.users = new Map([
+    ["admin1", { id: "admin1", isAdmin: true, username: "admin" }],
+    ["target1", { id: "target1", isAdmin: false, username: "target" }],
+    ["regular1", { id: "regular1", isAdmin: false, username: "regular" }],
+  ]);
+  state.unlockedUsers = new Set(["admin1", "target1", "regular1"]);
+  state.auditCalls = [];
+});
+
+describe("AuthManager admin impersonation", () => {
+  it("swaps req.userId to the target for an admin on an allowlisted path", async () => {
+    const { req, nexted } = await runMiddleware(token("admin1"), {
+      "x-admin-target-user": "target1",
+      __url: "/host/db/host",
+    });
+    expect(nexted).toBe(true);
+    expect((req as unknown as { userId: string }).userId).toBe("target1");
+    expect(
+      (req as unknown as { actingAdminUserId?: string }).actingAdminUserId,
+    ).toBe("admin1");
+    expect(state.auditCalls).toHaveLength(1);
+    expect(state.auditCalls[0]).toMatchObject({
+      action: "admin_impersonated_request",
+      resourceId: "target1",
+      userId: "admin1",
+    });
+  });
+
+  it("rejects impersonation by a non-admin", async () => {
+    const { res, nexted } = await runMiddleware(token("regular1"), {
+      "x-admin-target-user": "target1",
+      __url: "/host/db/host",
+    });
+    expect(nexted).toBe(false);
+    expect(res.statusCode).toBe(403);
+    expect((res.body as { code?: string }).code).toBe("IMPERSONATION_DENIED");
+  });
+
+  it("rejects impersonation on a non-allowlisted path", async () => {
+    const { res, nexted } = await runMiddleware(token("admin1"), {
+      "x-admin-target-user": "target1",
+      __url: "/users/sessions",
+    });
+    expect(nexted).toBe(false);
+    expect(res.statusCode).toBe(403);
+    expect((res.body as { code?: string }).code).toBe(
+      "IMPERSONATION_NOT_ALLOWED",
+    );
+  });
+
+  it("returns 423 when the target's data is locked", async () => {
+    state.unlockedUsers = new Set(["admin1"]);
+    const { res, nexted } = await runMiddleware(token("admin1"), {
+      "x-admin-target-user": "target1",
+      __url: "/host/db/host",
+    });
+    expect(nexted).toBe(false);
+    expect(res.statusCode).toBe(423);
+    expect((res.body as { code?: string }).code).toBe("TARGET_DATA_LOCKED");
+  });
+
+  it("404s when the target user does not exist", async () => {
+    const { res, nexted } = await runMiddleware(token("admin1"), {
+      "x-admin-target-user": "ghost",
+      __url: "/host/db/host",
+    });
+    expect(nexted).toBe(false);
+    expect(res.statusCode).toBe(404);
+  });
+
+  it("ignores the header when the target equals the admin", async () => {
+    const { req, nexted } = await runMiddleware(token("admin1"), {
+      "x-admin-target-user": "admin1",
+      __url: "/host/db/host",
+    });
+    expect(nexted).toBe(true);
+    expect((req as unknown as { userId: string }).userId).toBe("admin1");
+    expect(state.auditCalls).toHaveLength(0);
+  });
+
+  it("passes through normally when no header is present", async () => {
+    const { req, nexted } = await runMiddleware(token("regular1"));
+    expect(nexted).toBe(true);
+    expect((req as unknown as { userId: string }).userId).toBe("regular1");
+  });
+});

src/backend/tests/utils/permission-manager.test.ts

@@ -23,6 +23,7 @@ const accessState = vi.hoisted(() => ({
     expiresAt: string | null;
   } | null,
   touched: [] as number[],
+  adminIds: new Set<string>(),
 }));
 
 vi.mock("../../database/repositories/factory.js", () => ({
@@ -44,7 +45,8 @@ vi.mock("../../database/repositories/factory.js", () => ({
     userHasAnyRoleName: async () => false,
   }),
   createCurrentUserRepository: () => ({
-    findById: async () => null,
+    findById: async (userId: string) =>
+      accessState.adminIds.has(userId) ? { id: userId, isAdmin: true } : null,
   }),
 }));
 
@@ -116,6 +118,7 @@ describe("PermissionManager.canAccessHost level hierarchy", () => {
     accessState.ownerId = "owner";
     accessState.grant = null;
     accessState.touched = [];
+    accessState.adminIds = new Set();
   });
 
   it("grants the owner every action including delete", async () => {
@@ -165,4 +168,30 @@ describe("PermissionManager.canAccessHost level hierarchy", () => {
     await manager.canAccessHost("recipient", 42, "connect");
     expect(accessState.touched).toEqual([5]);
   });
+
+  it("grants admins owner-equivalent access to any host via bypass", async () => {
+    accessState.adminIds = new Set(["adminUser"]);
+    for (const action of actions) {
+      const info = await manager.canAccessHost("adminUser", 42, action);
+      expect(info).toMatchObject({
+        hasAccess: true,
+        isOwner: false,
+        isAdminBypass: true,
+        permissionLevel: "manage",
+      });
+    }
+  });
+
+  it("upgrades an under-privileged admin's share access via bypass", async () => {
+    accessState.adminIds = new Set(["adminUser"]);
+    accessState.grant = { id: 7, permissionLevel: "connect", expiresAt: null };
+    const info = await manager.canAccessHost("adminUser", 42, "manage");
+    expect(info).toMatchObject({ hasAccess: true, isAdminBypass: true });
+  });
+
+  it("does not grant a non-admin stranger admin bypass", async () => {
+    const info = await manager.canAccessHost("stranger", 42, "manage");
+    expect(info.hasAccess).toBe(false);
+    expect(info.isAdminBypass).toBeUndefined();
+  });
 });

src/backend/utils/auth-manager.ts

@@ -8,6 +8,7 @@ import {
 import { SystemCrypto } from "./system-crypto.js";
 import { DataCrypto } from "./data-crypto.js";
 import { databaseLogger, authLogger } from "./logger.js";
+import { logAudit, getRequestMeta } from "./audit-logger.js";
 import type { Request, Response, NextFunction } from "express";
 import bcrypt from "bcryptjs";
 import { nanoid } from "nanoid";
@@ -57,6 +58,7 @@ interface AuthenticatedRequest extends Request {
   apiKeyId?: string;
   pendingTOTP?: boolean;
   dataKey?: Buffer;
+  actingAdminUserId?: string;
 }
 
 interface RequestWithHeaders extends Request {
@@ -65,6 +67,16 @@ interface RequestWithHeaders extends Request {
   };
 }
 
+const ADMIN_TARGET_USER_HEADER = "x-admin-target-user";
+
+// Data-plane routes an admin may hit on behalf of another user. Everything
+// else (TOTP, sessions, tunnels, file manager, ...) rejects the header.
+const IMPERSONATION_PATH_ALLOWLIST = [
+  /^\/host\/db\//,
+  /^\/credentials(\/|$)/,
+  /^\/snippets(\/|$)/,
+];
+
 class AuthManager {
   private static instance: AuthManager;
   private systemCrypto: SystemCrypto;
@@ -593,6 +605,13 @@ class AuthManager {
     token: string,
     requireAdmin = false,
   ): Promise<void> {
+    if (req.headers[ADMIN_TARGET_USER_HEADER]) {
+      res.status(403).json({
+        error: "Impersonation is not allowed with API key authentication",
+        code: "IMPERSONATION_NOT_ALLOWED",
+      });
+      return;
+    }
     try {
       const tokenPrefix = token.substring(0, 12);
       const apiKeyRepository = createCurrentApiKeyRepository();
@@ -763,10 +782,103 @@ class AuthManager {
       authReq.userId = payload.userId;
       authReq.sessionId = payload.sessionId;
       authReq.pendingTOTP = payload.pendingTOTP;
+
+      if (authReq.headers[ADMIN_TARGET_USER_HEADER]) {
+        const handled = await this.applyAdminImpersonation(
+          authReq,
+          res,
+          payload.userId,
+        );
+        if (handled) return;
+      }
+
       next();
     };
   }
 
+  /**
+   * Handle the X-Admin-Target-User header: admins may act on another user's
+   * data for an allowlisted set of data-plane routes. On success req.userId
+   * becomes the target user and actingAdminUserId records the real caller.
+   * Returns true when a response was already sent (request must stop).
+   */
+  private async applyAdminImpersonation(
+    req: AuthenticatedRequest,
+    res: Response,
+    adminUserId: string,
+  ): Promise<boolean> {
+    const rawHeader = req.headers[ADMIN_TARGET_USER_HEADER];
+    const targetUserId = Array.isArray(rawHeader) ? rawHeader[0] : rawHeader;
+
+    if (!targetUserId || targetUserId === adminUserId) {
+      return false;
+    }
+
+    const userRepository = createCurrentUserRepository();
+    const admin = await userRepository.findById(adminUserId);
+    if (!admin?.isAdmin) {
+      databaseLogger.warn("Impersonation attempt by non-admin", {
+        operation: "admin_impersonation_denied",
+        userId: adminUserId,
+        targetUserId,
+        path: req.originalUrl,
+      });
+      res.status(403).json({
+        error: "Admin access required",
+        code: "IMPERSONATION_DENIED",
+      });
+      return true;
+    }
+
+    const path = (req.originalUrl || req.url || "").split("?")[0];
+    const allowed = IMPERSONATION_PATH_ALLOWLIST.some((pattern) =>
+      pattern.test(path),
+    );
+    if (!allowed) {
+      res.status(403).json({
+        error: "Impersonation is not allowed for this route",
+        code: "IMPERSONATION_NOT_ALLOWED",
+      });
+      return true;
+    }
+
+    const target = await userRepository.findById(targetUserId);
+    if (!target) {
+      res.status(404).json({
+        error: "Target user not found",
+        code: "TARGET_USER_NOT_FOUND",
+      });
+      return true;
+    }
+
+    if (!DataCrypto.canUserAccessData(targetUserId)) {
+      res.status(423).json({
+        error: "Target user's data stays locked until their next login",
+        code: "TARGET_DATA_LOCKED",
+      });
+      return true;
+    }
+
+    req.userId = targetUserId;
+    req.actingAdminUserId = adminUserId;
+
+    const { ipAddress, userAgent } = getRequestMeta(req);
+    void logAudit({
+      userId: adminUserId,
+      username: admin.username,
+      action: "admin_impersonated_request",
+      resourceType: "user",
+      resourceId: targetUserId,
+      resourceName: target.username,
+      details: JSON.stringify({ method: req.method, path }),
+      ipAddress,
+      userAgent,
+      success: true,
+    });
+
+    return false;
+  }
+
   createDataAccessMiddleware() {
     return async (req: Request, res: Response, next: NextFunction) => {
       const authReq = req as AuthenticatedRequest;

src/backend/utils/cors-config.ts

@@ -36,6 +36,7 @@ export function createCorsMiddleware(
     "User-Agent",
     "X-Electron-App",
     "Cache-Control",
+    "x-admin-target-user",
     ...extraHeaders,
   ];
 

src/backend/utils/permission-manager.ts

@@ -37,6 +37,7 @@ interface HostAccessInfo {
   hasAccess: boolean;
   isOwner: boolean;
   isShared: boolean;
+  isAdminBypass?: boolean;
   permissionLevel?: SharePermissionLevel;
   expiresAt?: string | null;
 }
@@ -209,6 +210,9 @@ class PermissionManager {
           action === "delete" ||
           LEVEL_RANK[grantedLevel] < LEVEL_RANK[action]
         ) {
+          if (await this.isAdmin(userId)) {
+            return this.adminBypassAccess();
+          }
           return {
             hasAccess: false,
             isOwner: false,
@@ -240,6 +244,10 @@ class PermissionManager {
         };
       }
 
+      if (await this.isAdmin(userId)) {
+        return this.adminBypassAccess();
+      }
+
       return {
         hasAccess: false,
         isOwner: false,
@@ -260,6 +268,18 @@ class PermissionManager {
     }
   }
 
+  // Admins get owner-equivalent access to every host; each connect is
+  // audit-logged in the host resolver.
+  private adminBypassAccess(): HostAccessInfo {
+    return {
+      hasAccess: true,
+      isOwner: false,
+      isShared: false,
+      isAdminBypass: true,
+      permissionLevel: "manage",
+    };
+  }
+
   async isAdmin(userId: string): Promise<boolean> {
     try {
       const user = await createCurrentUserRepository().findById(userId);

src/types/index.ts

@@ -971,6 +971,7 @@ export interface AuthenticatedRequest extends Request {
   userId: string;
   sessionId?: string;
   apiKeyId?: string;
+  actingAdminUserId?: string;
   user?: {
     id: string;
     username: string;

src/ui/AppShell.tsx

@@ -1691,8 +1691,14 @@ export function AppShell({
         )}
 
         {railView === "admin-settings" && isAdmin && (
-          <div className="flex-1 min-h-0 overflow-y-auto">
-            <AdminSettingsPanel />
+          <div className="flex flex-col flex-1 min-h-0 overflow-y-auto">
+            <AdminSettingsPanel
+              onEditingChange={setSidebarEditing}
+              onOpenHostTab={(host) => {
+                connectHost(host);
+                if (isMobile) setSidebarOpen(false);
+              }}
+            />
           </div>
         )}
 
@@ -1755,7 +1761,7 @@ export function AppShell({
         {/* Desktop: inline resizable sidebar */}
         {!isMobile && (
           <div
-            className={`relative flex flex-col bg-sidebar shrink-0 overflow-hidden ${sidebarOpen ? `border-r transition-colors ${sidebarDragging ? "border-accent-brand/60" : "border-border"}` : ""}`}
+            className={`relative flex flex-col min-h-0 bg-sidebar shrink-0 overflow-hidden ${sidebarOpen ? `border-r transition-colors ${sidebarDragging ? "border-accent-brand/60" : "border-border"}` : ""}`}
             style={{
               width: sidebarOpen ? (sidebarEditing ? 560 : sidebarWidth) : 0,
               transition: sidebarDragging ? "none" : "width 0.2s",
@@ -1779,7 +1785,7 @@ export function AppShell({
             <SheetContent
               side="left"
               showCloseButton={false}
-              className="p-0 flex flex-col w-[min(85vw,360px)] max-w-full bg-sidebar border-r border-border gap-0"
+              className="p-0 flex flex-col min-h-0 w-[min(85vw,360px)] max-w-full bg-sidebar border-r border-border gap-0"
               style={{ height: "100dvh" }}
             >
               {sidebarHeader}

src/ui/api/admin-user-data-api.ts

@@ -0,0 +1,241 @@
+import { authApi, handleApiError, sshHostApi } from "@/main-axios";
+import type { SSHHost, SSHHostData } from "@/types/index";
+
+// ADMIN USER DATA MANAGEMENT
+// ============================================================================
+// Wrappers over the regular data-plane endpoints that act on another user's
+// data via the X-Admin-Target-User header (admin only, audited server-side).
+// They intentionally bypass the host request caches: the data belongs to the
+// target user, not the signed-in admin.
+
+const ADMIN_TARGET_USER_HEADER = "X-Admin-Target-User";
+
+function adminHeaders(targetUserId: string): Record<string, string> {
+  return { [ADMIN_TARGET_USER_HEADER]: targetUserId };
+}
+
+export async function adminGetUserHosts(
+  targetUserId: string,
+): Promise<SSHHost[]> {
+  try {
+    const response = await sshHostApi.get("/db/host", {
+      headers: adminHeaders(targetUserId),
+    });
+    return Array.isArray(response.data) ? response.data : [];
+  } catch (error) {
+    throw handleApiError(error, "fetch user's hosts");
+  }
+}
+
+export async function adminCreateUserHost(
+  targetUserId: string,
+  hostData: SSHHostData,
+): Promise<SSHHost> {
+  try {
+    if (hostData.authType === "key" && hostData.key instanceof File) {
+      const formData = new FormData();
+      formData.append("key", hostData.key);
+      const dataWithoutFile = { ...hostData, key: undefined };
+      formData.append("data", JSON.stringify(dataWithoutFile));
+      const response = await sshHostApi.post("/db/host", formData, {
+        headers: {
+          "Content-Type": "multipart/form-data",
+          ...adminHeaders(targetUserId),
+        },
+      });
+      return response.data;
+    }
+    const response = await sshHostApi.post("/db/host", hostData, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "create host for user");
+  }
+}
+
+export async function adminUpdateUserHost(
+  targetUserId: string,
+  hostId: number,
+  hostData: SSHHostData,
+): Promise<SSHHost> {
+  try {
+    if (hostData.authType === "key" && hostData.key instanceof File) {
+      const formData = new FormData();
+      formData.append("key", hostData.key);
+      const dataWithoutFile = { ...hostData, key: undefined };
+      formData.append("data", JSON.stringify(dataWithoutFile));
+      const response = await sshHostApi.put(`/db/host/${hostId}`, formData, {
+        headers: {
+          "Content-Type": "multipart/form-data",
+          ...adminHeaders(targetUserId),
+        },
+      });
+      return response.data;
+    }
+    const response = await sshHostApi.put(`/db/host/${hostId}`, hostData, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "update user's host");
+  }
+}
+
+export async function adminDeleteUserHost(
+  targetUserId: string,
+  hostId: number,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await sshHostApi.delete(`/db/host/${hostId}`, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "delete user's host");
+  }
+}
+
+export async function adminGetHostPassword(
+  targetUserId: string,
+  hostId: number,
+  field: "password" | "sudoPassword" | "vncPassword" = "password",
+): Promise<string | null> {
+  try {
+    const response = await sshHostApi.get(
+      `/db/host/${hostId}/password?field=${field}`,
+      { headers: adminHeaders(targetUserId) },
+    );
+    return response.data?.value || null;
+  } catch {
+    return null;
+  }
+}
+
+export async function adminGetUserCredentials(
+  targetUserId: string,
+): Promise<Record<string, unknown>[] | Record<string, unknown>> {
+  try {
+    const response = await authApi.get("/credentials", {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "fetch user's credentials");
+  }
+}
+
+export async function adminGetUserCredentialDetails(
+  targetUserId: string,
+  credentialId: number,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.get(`/credentials/${credentialId}`, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "fetch user's credential details");
+  }
+}
+
+export async function adminCreateUserCredential(
+  targetUserId: string,
+  credentialData: Record<string, unknown>,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.post("/credentials", credentialData, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "create credential for user");
+  }
+}
+
+export async function adminUpdateUserCredential(
+  targetUserId: string,
+  credentialId: number,
+  credentialData: Record<string, unknown>,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.put(
+      `/credentials/${credentialId}`,
+      credentialData,
+      { headers: adminHeaders(targetUserId) },
+    );
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "update user's credential");
+  }
+}
+
+export async function adminDeleteUserCredential(
+  targetUserId: string,
+  credentialId: number,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.delete(`/credentials/${credentialId}`, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "delete user's credential");
+  }
+}
+
+export async function adminGetUserSnippets(
+  targetUserId: string,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.get("/snippets", {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "fetch user's snippets");
+  }
+}
+
+export async function adminCreateUserSnippet(
+  targetUserId: string,
+  snippetData: Record<string, unknown>,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.post("/snippets", snippetData, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "create snippet for user");
+  }
+}
+
+export async function adminUpdateUserSnippet(
+  targetUserId: string,
+  snippetId: number,
+  snippetData: Record<string, unknown>,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.put(`/snippets/${snippetId}`, snippetData, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "update user's snippet");
+  }
+}
+
+export async function adminDeleteUserSnippet(
+  targetUserId: string,
+  snippetId: number,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.delete(`/snippets/${snippetId}`, {
+      headers: adminHeaders(targetUserId),
+    });
+    return response.data;
+  } catch (error) {
+    throw handleApiError(error, "delete user's snippet");
+  }
+}

src/ui/api/user-management-api.ts

@@ -161,6 +161,48 @@ export async function deleteAccount(
   }
 }
 
+// Raw axios errors propagate here so callers can detect the 409
+// DATA_WIPE_REQUIRED code and re-submit with confirmDataWipe.
+export async function adminResetUserPassword(
+  userId: string,
+  newPassword: string,
+  confirmDataWipe = false,
+): Promise<{ message: string; dataWiped?: boolean }> {
+  const response = await authApi.post("/users/admin/reset-password", {
+    userId,
+    newPassword,
+    confirmDataWipe,
+  });
+  return response.data;
+}
+
+export async function adminDisableUserTotp(
+  userId: string,
+): Promise<{ message: string }> {
+  try {
+    const response = await authApi.post("/users/admin/totp/disable", {
+      userId,
+    });
+    return response.data;
+  } catch (error) {
+    handleApiError(error, "disable user TOTP");
+  }
+}
+
+export async function adminExportUserData(
+  userId: string,
+): Promise<Record<string, unknown>> {
+  try {
+    const response = await authApi.get(
+      `/users/admin/export/${encodeURIComponent(userId)}`,
+      { timeout: 120000 },
+    );
+    return response.data;
+  } catch (error) {
+    handleApiError(error, "export user data");
+  }
+}
+
 export async function updateRegistrationAllowed(
   allowed: boolean,
 ): Promise<Record<string, unknown>> {

src/ui/locales/en.json

@@ -2838,6 +2838,71 @@
     "updateAdminStatusFailed": "Failed to update admin status",
     "allSessionsRevoked": "All sessions revoked",
     "revokeSessionsFailed": "Failed to revoke sessions",
+    "manageUserData": "Manage user data",
+    "backToUsers": "Back to users",
+    "manageTabAccount": "Account",
+    "manageTabHosts": "Hosts",
+    "manageTabCredentials": "Credentials",
+    "manageTabSnippets": "Snippets",
+    "manageTabSessions": "Sessions",
+    "manageTabDanger": "Danger",
+    "manageEditorBack": "Back to {{username}}'s data",
+    "dataLockedBadge": "LOCKED",
+    "dataLockedNotice": "{{username}}'s data stays locked until they next log in. Their hosts, credentials and snippets cannot be viewed or edited until then.",
+    "resetPasswordTitle": "Reset Password",
+    "resetPasswordOidcOnly": "This user signs in through an external provider and has no password.",
+    "resetPasswordPlaceholder": "New password",
+    "resetPasswordBtn": "Reset",
+    "resetPasswordWorking": "Resetting...",
+    "resetPasswordSuccess": "Password reset",
+    "resetPasswordSuccessWiped": "Password reset. The user's encrypted data was wiped.",
+    "resetPasswordFailed": "Failed to reset password",
+    "resetPasswordConfirmWipe": "{{username}} has not logged in since the encryption upgrade, so their data cannot be recovered. Resetting now will delete their hosts, credentials and snippets. Continue?",
+    "totpSectionTitle": "Two-Factor Authentication",
+    "totpStatusEnabled": "TOTP is enabled for this user",
+    "totpStatusDisabled": "TOTP is not enabled for this user",
+    "disableTotp": "Disable",
+    "disableTotpConfirm": "Disable two-factor authentication for {{username}}? They will be able to log in with only their password.",
+    "totpDisabledSuccess": "TOTP disabled",
+    "totpDisableFailed": "Failed to disable TOTP",
+    "manageApiKeys": "API Keys",
+    "apiKeyNamePlaceholder": "Key name",
+    "apiKeyCopyNotice": "Copy this key now, it won't be shown again.",
+    "noApiKeysForUser": "No API keys",
+    "apiKeyDeleteFailed": "Failed to delete API key",
+    "exportUserData": "Data Export",
+    "exportUserDataDesc": "Download this user's hosts, credentials and file manager data as JSON. Secrets are decrypted.",
+    "exportUserDataSuccess": "User data exported",
+    "exportUserDataFailed": "Failed to export user data",
+    "hostsCount": "{{count}} hosts",
+    "addHostForUser": "Add Host",
+    "noHostsForUser": "This user has no hosts",
+    "connectToHost": "Connect",
+    "deleteHostConfirm": "Delete host \"{{name}}\" belonging to {{username}}?",
+    "hostDeletedSuccess": "Host deleted",
+    "hostDeleteFailed": "Failed to delete host",
+    "credentialsCount": "{{count}} credentials",
+    "addCredentialForUser": "Add Credential",
+    "noCredentialsForUser": "This user has no credentials",
+    "deleteCredentialConfirm": "Delete credential \"{{name}}\" belonging to {{username}}?",
+    "credentialDeletedSuccess": "Credential deleted",
+    "credentialDeleteFailed": "Failed to delete credential",
+    "snippetsCount": "{{count}} snippets",
+    "addSnippetForUser": "Add Snippet",
+    "noSnippetsForUser": "This user has no snippets",
+    "snippetRequiredFields": "Snippet name and content are required",
+    "snippetNamePlaceholder": "Snippet name",
+    "snippetContentPlaceholder": "Command content",
+    "snippetFolderPlaceholder": "Folder (optional)",
+    "snippetSaved": "Snippet saved",
+    "snippetSaveFailed": "Failed to save snippet",
+    "deleteSnippetConfirm": "Delete snippet \"{{name}}\" belonging to {{username}}?",
+    "snippetDeletedSuccess": "Snippet deleted",
+    "snippetDeleteFailed": "Failed to delete snippet",
+    "noSessionsForUser": "No active sessions",
+    "deleteUserDangerDesc": "Permanently delete {{username}} and all of their data (hosts, credentials, snippets, history). This cannot be undone.",
+    "deleteUserConfirm": "Permanently delete {{username}} and all of their data?",
+    "deleteUserAdminBlocked": "Remove admin status before deleting this user.",
     "createRoleRequired": "Name and display name are required",
     "createRoleSuccess": "Role \"{{name}}\" created",
     "createRoleFailed": "Failed to create role",

src/ui/main-axios.ts

@@ -201,6 +201,7 @@ export interface UserInfo {
   is_admin: boolean;
   is_oidc: boolean;
   password_hash?: string;
+  data_unlocked?: boolean;
 }
 
 interface UserCount {
@@ -1953,10 +1954,33 @@ export {
   disableOIDCConfig,
   getCommandHistoryEnabled,
   updateCommandHistoryEnabled,
+  adminResetUserPassword,
+  adminDisableUserTotp,
+  adminExportUserData,
   type ApiKey,
   type CreatedApiKey,
 } from "@/api/user-management-api";
 
+// ADMIN USER DATA MANAGEMENT
+// ============================================================================
+
+export {
+  adminGetUserHosts,
+  adminCreateUserHost,
+  adminUpdateUserHost,
+  adminDeleteUserHost,
+  adminGetHostPassword,
+  adminGetUserCredentials,
+  adminGetUserCredentialDetails,
+  adminCreateUserCredential,
+  adminUpdateUserCredential,
+  adminDeleteUserCredential,
+  adminGetUserSnippets,
+  adminCreateUserSnippet,
+  adminUpdateUserSnippet,
+  adminDeleteUserSnippet,
+} from "@/api/admin-user-data-api";
+
 export {
   setupTOTP,
   enableTOTP,

src/ui/sidebar/AdminManagementSections.tsx

@@ -18,6 +18,7 @@ import {
   Pencil,
   Plus,
   RefreshCw,
+  Settings2,
   Share2,
   Trash2,
   Unlink,
@@ -32,6 +33,8 @@ export type AdminUser = {
   isAdmin: boolean;
   isOidc: boolean;
   passwordHash?: string;
+  dataUnlocked?: boolean;
+  totpEnabled?: boolean;
 };
 
 export type AdminSession = {
@@ -76,6 +79,7 @@ type UsersSectionProps = {
     SetStateAction<{ id: string; username: string } | null>
   >;
   setUnlinkAccountOpen: Dispatch<SetStateAction<boolean>>;
+  onManageUser: (user: AdminUser) => void;
 };
 
 export function AdminUsersSection({
@@ -91,6 +95,7 @@ export function AdminUsersSection({
   setLinkAccountOpen,
   setUnlinkAccountTarget,
   setUnlinkAccountOpen,
+  onManageUser,
 }: UsersSectionProps) {
   const { t } = useTranslation();
 
@@ -159,6 +164,15 @@ export function AdminUsersSection({
                 </div>
               </div>
               <div className="flex items-center gap-0.5 shrink-0">
+                <Button
+                  variant="ghost"
+                  size="icon"
+                  className="size-6 text-muted-foreground hover:text-accent-brand"
+                  title={t("admin.manageUserData")}
+                  onClick={() => onManageUser(user)}
+                >
+                  <Settings2 className="size-3" />
+                </Button>
                 <Button
                   variant="ghost"
                   size="icon"

src/ui/sidebar/AdminSettingsPanel.tsx

@@ -87,6 +87,8 @@ import {
   AdminLinkAccountDialog,
   AdminUnlinkAccountDialog,
 } from "./AdminUserDialogs";
+import { AdminUserManagePanel } from "./AdminUserManagePanel";
+import type { Host } from "@/types/ui-types";
 
 type ApiErrorLike = {
   response?: {
@@ -100,11 +102,18 @@ function apiErrorMessage(error: unknown, fallback: string) {
   return (error as ApiErrorLike).response?.data?.error || fallback;
 }
 
-export function AdminSettingsPanel() {
+export function AdminSettingsPanel({
+  onEditingChange,
+  onOpenHostTab,
+}: {
+  onEditingChange?: (editing: boolean) => void;
+  onOpenHostTab?: (host: Host) => void;
+} = {}) {
   const { t } = useTranslation();
   const [openSection, setOpenSection] = useState<AdminSection | null>(
     "general",
   );
+  const [manageUser, setManageUser] = useState<AdminUser | null>(null);
   const [allowRegistration, setAllowRegistration] = useState(true);
   const [allowPasswordLogin, setAllowPasswordLogin] = useState(true);
   const [allowPasswordReset, setAllowPasswordReset] = useState(true);
@@ -206,6 +215,11 @@ export function AdminSettingsPanel() {
     loadSSOProviders();
   }, []);
 
+  useEffect(() => {
+    onEditingChange?.(manageUser !== null);
+    return () => onEditingChange?.(false);
+  }, [manageUser, onEditingChange]);
+
   useEffect(() => {
     if (editUserOpen && editUserTarget) {
       setEditUserRoles([]);
@@ -227,6 +241,8 @@ export function AdminSettingsPanel() {
             isAdmin: user.is_admin,
             isOidc: user.is_oidc,
             passwordHash: user.password_hash,
+            dataUnlocked: user.data_unlocked,
+            totpEnabled: user.totp_enabled,
           })),
         ),
       )
@@ -812,8 +828,31 @@ export function AdminSettingsPanel() {
     }
   }
 
+  if (manageUser) {
+    return (
+      <AdminUserManagePanel
+        key={manageUser.id}
+        user={manageUser}
+        roles={roles}
+        onBack={() => setManageUser(null)}
+        onOpenHostTab={onOpenHostTab}
+        onUserDeleted={() => {
+          setUsers((prev) => prev.filter((u) => u.id !== manageUser.id));
+          setManageUser(null);
+        }}
+        onTotpDisabled={() => {
+          setUsers((prev) =>
+            prev.map((u) =>
+              u.id === manageUser.id ? { ...u, totpEnabled: false } : u,
+            ),
+          );
+        }}
+      />
+    );
+  }
+
   return (
-    <div className="flex flex-col gap-2 p-3">
+    <div className="flex flex-col gap-2 p-3 flex-1 min-h-0 overflow-y-auto">
       <AdminGeneralSettingsSection
         open={openSection === "general"}
         onToggle={() => toggle("general")}
@@ -881,6 +920,7 @@ export function AdminSettingsPanel() {
         setLinkAccountOpen={setLinkAccountOpen}
         setUnlinkAccountTarget={setUnlinkAccountTarget}
         setUnlinkAccountOpen={setUnlinkAccountOpen}
+        onManageUser={setManageUser}
       />
 
       <AdminSessionsSection

src/ui/sidebar/AdminSettingsShared.tsx

@@ -34,7 +34,7 @@ export function AccordionSection({
   children: React.ReactNode;
 }) {
   return (
-    <div className="border border-border bg-card overflow-hidden">
+    <div className="border border-border bg-card overflow-hidden shrink-0">
       <button
         onClick={onToggle}
         className="flex items-center gap-2 w-full px-3 py-2.5 text-left hover:bg-muted/40 transition-colors"

src/ui/sidebar/AppRail.tsx

@@ -137,8 +137,8 @@ function buildRailButtons(
 }
 
 const btnBase =
-  "relative flex items-center gap-2.5 h-7 rounded shrink-0 transition-colors";
-const btnStyle = { margin: "0 4px", padding: "0 6px" };
+  "relative flex items-center h-7 rounded shrink-0 transition-colors gap-2.5";
+const btnStyle = { margin: "0 4px", padding: "0 8px" };
 
 export function AppRail({
   railView,
@@ -279,8 +279,8 @@ export function AppRail({
                 {item.icon}
               </span>
               <span
-                className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-opacity duration-150 ${
-                  railExpanded ? "opacity-100 delay-75" : "opacity-0"
+                className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-[opacity,width] duration-150 ${
+                  railExpanded ? "opacity-100 delay-75" : "opacity-0 w-0"
                 }`}
               >
                 {item.title}
@@ -304,8 +304,8 @@ export function AppRail({
                 {item.icon}
               </span>
               <span
-                className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-opacity duration-150 ${
-                  railExpanded ? "opacity-100 delay-75" : "opacity-0"
+                className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-[opacity,width] duration-150 ${
+                  railExpanded ? "opacity-100 delay-75" : "opacity-0 w-0"
                 }`}
               >
                 {item.title}
@@ -362,7 +362,7 @@ export function AppRail({
               )}
             </span>
             <span
-              className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-opacity duration-150 ${railExpanded ? "opacity-100 delay-75" : "opacity-0"}`}
+              className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-[opacity,width] duration-150 ${railExpanded ? "opacity-100 delay-75" : "opacity-0 w-0"}`}
             >
               {item.title}
             </span>
@@ -381,7 +381,7 @@ export function AppRail({
             <LogOut size={16} />
           </span>
           <span
-            className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-opacity duration-150 ${railExpanded ? "opacity-100 delay-75" : "opacity-0"}`}
+            className={`text-xs font-medium whitespace-nowrap overflow-hidden transition-[opacity,width] duration-150 ${railExpanded ? "opacity-100 delay-75" : "opacity-0 w-0"}`}
           >
             {t("common.logout")}
           </span>
@@ -391,7 +391,7 @@ export function AppRail({
       <div className="shrink-0 border-t border-border">
         <button
           className="flex items-center gap-2.5 w-full h-10 text-muted-foreground hover:text-foreground hover:bg-muted/60 transition-colors"
-          style={{ padding: "0 6px" }}
+          style={{ padding: "0 8px" }}
         >
           <div
             className="rounded-full bg-accent-brand/20 border border-accent-brand/30 flex items-center justify-center font-bold text-accent-brand shrink-0"

src/ui/sidebar/CredentialEditorView.tsx

@@ -13,6 +13,8 @@ import {
   generateKeyPair,
   generatePublicKeyFromPrivate,
   updateCredential,
+  adminCreateUserCredential,
+  adminUpdateUserCredential,
 } from "@/main-axios";
 import type { Credential } from "@/types/ui-types";
 
@@ -23,11 +25,15 @@ export function CredentialEditorView({
   activeTab,
   onBack,
   onSave,
+  adminTargetUserId,
 }: {
   credential: Credential | null;
   activeTab: string;
   onBack: () => void;
   onSave: (saved: Record<string, unknown>) => void;
+  // When set, saves go to another user's credentials via the admin
+  // impersonation endpoints.
+  adminTargetUserId?: string;
 }) {
   const [credForm, setCredForm] = useState(() => ({
     name: credential?.name ?? "",
@@ -92,15 +98,28 @@ export function CredentialEditorView({
             : credForm.passphrase || null
           : null,
       };
-      const saved = credential
-        ? await updateCredential(Number(credential.id), data)
-        : await createCredential(data);
+      let saved: Record<string, unknown>;
+      if (adminTargetUserId) {
+        saved = credential
+          ? await adminUpdateUserCredential(
+              adminTargetUserId,
+              Number(credential.id),
+              data,
+            )
+          : await adminCreateUserCredential(adminTargetUserId, data);
+      } else {
+        saved = credential
+          ? await updateCredential(Number(credential.id), data)
+          : await createCredential(data);
+      }
       toast.success(
         credential
           ? t("hosts.credentialUpdated")
           : t("hosts.credentialCreated"),
       );
-      window.dispatchEvent(new CustomEvent("termix:credentials-changed"));
+      if (!adminTargetUserId) {
+        window.dispatchEvent(new CustomEvent("termix:credentials-changed"));
+      }
       onSave(saved);
     } catch (err) {
       const msg = err instanceof Error ? err.message : null;

src/ui/sidebar/HostEditor.tsx

@@ -35,6 +35,10 @@ import {
   getUserInfo,
   getVaultProfiles,
   getHostPassword,
+  adminCreateUserHost,
+  adminUpdateUserHost,
+  adminGetHostPassword,
+  adminGetUserSnippets,
 } from "@/main-axios";
 import { getTailscaleDevices, getHostDefaults } from "@/api/settings-api";
 import type { Host, VaultProfile } from "@/types/ui-types";
@@ -77,6 +81,7 @@ export function HostEditor({
   onTabChange,
   hosts,
   credentials,
+  adminTargetUserId,
 }: {
   host: Host | null;
   activeTab: string;
@@ -87,6 +92,9 @@ export function HostEditor({
   onTabChange: (tab: string) => void;
   hosts: Host[];
   credentials: { id: string; name: string; username: string }[];
+  // When set, the editor works on another user's host through the admin
+  // impersonation endpoints instead of the signed-in user's own data.
+  adminTargetUserId?: string;
 }) {
   const { t } = useTranslation();
   const { setPreviewTerminalTheme } = useTabsSafe();
@@ -133,11 +141,14 @@ export function HostEditor({
   }, []);
 
   useEffect(() => {
-    getSnippets()
+    const loadSnippets = adminTargetUserId
+      ? adminGetUserSnippets(adminTargetUserId)
+      : getSnippets();
+    loadSnippets
       .then((res) => setSnippets(mapSnippetResponse(res)))
       .catch(() => {});
     reloadVaultProfiles();
-  }, []);
+  }, [adminTargetUserId]);
 
   useEffect(() => {
     if (host) return;
@@ -150,7 +161,10 @@ export function HostEditor({
     if (!host?.id || form.vncAuthType !== "direct" || form.vncPassword) return;
 
     let cancelled = false;
-    getHostPassword(Number(host.id), "vncPassword").then((password) => {
+    const loadVncPassword = adminTargetUserId
+      ? adminGetHostPassword(adminTargetUserId, Number(host.id), "vncPassword")
+      : getHostPassword(Number(host.id), "vncPassword");
+    loadVncPassword.then((password) => {
       if (cancelled || !password) return;
       setForm((prev) =>
         prev.vncPassword ? prev : { ...prev, vncPassword: password },
@@ -160,7 +174,7 @@ export function HostEditor({
     return () => {
       cancelled = true;
     };
-  }, [form.vncAuthType, form.vncPassword, host?.id]);
+  }, [form.vncAuthType, form.vncPassword, host?.id, adminTargetUserId]);
 
   useEffect(() => {
     if (activeTab !== "tunnels") return;
@@ -184,9 +198,16 @@ export function HostEditor({
     setSaving(true);
     try {
       const data = buildHostEditorPayload(form, protocols);
-      const saved = host
-        ? await updateSSHHost(Number(host.id), data)
-        : await createSSHHost(data);
+      let saved: SSHHost;
+      if (adminTargetUserId) {
+        saved = host
+          ? await adminUpdateUserHost(adminTargetUserId, Number(host.id), data)
+          : await adminCreateUserHost(adminTargetUserId, data);
+      } else {
+        saved = host
+          ? await updateSSHHost(Number(host.id), data)
+          : await createSSHHost(data);
+      }
       toast.success(host ? t("hosts.hostUpdated") : t("hosts.hostCreated"));
       setPreviewTerminalTheme(null);
       onSave(saved);

src/ui/tests/api/alerts-api.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { mapAlertFiring } from "./alerts-api";
+import { mapAlertFiring } from "../../api/alerts-api";
 
 describe("mapAlertFiring", () => {
   it("normalizes sqlite snake_case rows for the alerts UI", () => {

src/ui/tests/api/audit-log-api.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { mapAuditLog } from "./audit-log-api";
+import { mapAuditLog } from "../../api/audit-log-api";
 
 describe("mapAuditLog", () => {
   it("normalizes sqlite snake_case rows for the audit log UI", () => {

src/ui/tests/components/card-grid/layout-utils.test.ts

@@ -10,8 +10,8 @@ import {
   setHeight,
   heightToRowSpan,
   MIN_TILE_HEIGHT,
-} from "./layout-utils";
-import type { GridSlot } from "./types";
+} from "../../../components/card-grid/layout-utils";
+import type { GridSlot } from "../../../components/card-grid/types";
 
 function slot(id: string, order: number, colSpan: 1 | 2 | 3 = 1): GridSlot {
   return { id, order, colSpan, height: null };

src/ui/tests/components/charts/geometry.test.ts

@@ -1,5 +1,9 @@
 import { describe, it, expect } from "vitest";
-import { sparklineGeometry, gaugeArc, SPARKLINE_VIEW_W } from "./geometry";
+import {
+  sparklineGeometry,
+  gaugeArc,
+  SPARKLINE_VIEW_W,
+} from "../../../components/charts/geometry";
 
 describe("sparklineGeometry", () => {
   it("returns no data for fewer than 2 points", () => {

src/ui/tests/components/proxmox/proxmox-import-auth.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { resolveProxmoxImportAuth } from "./proxmox-import-auth";
+import { resolveProxmoxImportAuth } from "../../../components/proxmox/proxmox-import-auth";
 
 describe("resolveProxmoxImportAuth", () => {
   it("uses credential auth when a credential is available", () => {

src/ui/tests/features/file-manager/file-manager-utils.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect } from "vitest";
-import { formatFileSize } from "./file-manager-utils.js";
+import { formatFileSize } from "../../../features/file-manager/file-manager-utils.js";
 
 describe("formatFileSize", () => {
   it("returns a dash for undefined or null", () => {

src/ui/tests/features/file-manager/hooks/useFileSelection.test.ts

@@ -1,6 +1,6 @@
 import { describe, it, expect } from "vitest";
 import { act, renderHook } from "@testing-library/react";
-import { useFileSelection } from "./useFileSelection.js";
+import { useFileSelection } from "../../../../features/file-manager/hooks/useFileSelection.js";
 
 type FileItem = {
   name: string;

src/ui/tests/features/guacamole/GuacamoleDisplay.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { buildGuacamoleWebSocketBaseUrl } from "./guacamole-websocket-url.js";
+import { buildGuacamoleWebSocketBaseUrl } from "../../../features/guacamole/guacamole-websocket-url.js";
 
 const httpsLocation = {
   protocol: "https:",

src/ui/tests/features/guacamole/guacamole-clipboard.test.ts

@@ -4,7 +4,7 @@ import {
   isPasteShortcut,
   pasteTextToRemote,
   type GuacamoleClipboardClient,
-} from "./guacamole-clipboard.js";
+} from "../../../features/guacamole/guacamole-clipboard.js";
 
 describe("Guacamole Firefox clipboard fallback", () => {
   it("only enables the native paste path for Firefox", () => {

src/ui/tests/features/guacamole/guacamole-display-size.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { getGuacamoleDisplaySize } from "./guacamole-display-size";
+import { getGuacamoleDisplaySize } from "../../../features/guacamole/guacamole-display-size";
 
 describe("getGuacamoleDisplaySize", () => {
   it("requests native pixels and matching DPI for HiDPI RDP", () => {

src/ui/tests/features/homepage/canvas/canvasGeometry.test.ts

@@ -3,7 +3,7 @@ import {
   screenToCanvas,
   canvasToScreen,
   zoomAroundPoint,
-} from "./canvasGeometry";
+} from "../../../../features/homepage/canvas/canvasGeometry";
 
 const PAN = { x: 100, y: 200 };
 const ZOOM = 2;

src/ui/tests/features/homepage/canvas/snapToGrid.test.ts

@@ -1,5 +1,8 @@
 import { describe, it, expect } from "vitest";
-import { snapToGrid, snapToGridFloor } from "./snapToGrid";
+import {
+  snapToGrid,
+  snapToGridFloor,
+} from "../../../../features/homepage/canvas/snapToGrid";
 import { GRID_SIZE } from "@/types/homepage-types";
 
 describe("snapToGrid", () => {

src/ui/tests/features/session-recording/asciicast.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { parseAsciicast } from "./asciicast";
+import { parseAsciicast } from "../../../features/session-recording/asciicast";
 
 describe("parseAsciicast", () => {
   it("parses terminal dimensions and timed input/output", () => {

src/ui/tests/features/terminal/terminal-font-zoom.test.ts

@@ -2,7 +2,7 @@ import { describe, expect, it } from "vitest";
 import {
   getNextTerminalFontSize,
   getTerminalFontZoomDirection,
-} from "./terminal-font-zoom";
+} from "../../../features/terminal/terminal-font-zoom";
 
 function keyEvent(
   overrides: Partial<KeyboardEvent>,

src/ui/tests/features/tunnel/tunnel-form-utils.test.ts

@@ -3,7 +3,7 @@ import {
   getTunnelTypeForMode,
   getTunnelPortLabels,
   getTunnelModeDescription,
-} from "./tunnel-form-utils.js";
+} from "../../../features/tunnel/tunnel-form-utils.js";
 
 // A fake translate that echoes the key plus any interpolation args so we can
 // assert which translation key + payload the helpers chose.

src/ui/tests/hooks/use-mobile.test.ts

@@ -1,6 +1,6 @@
 import { describe, it, expect, vi, afterEach } from "vitest";
 import { renderHook } from "@testing-library/react";
-import { useIsMobile } from "./use-mobile.js";
+import { useIsMobile } from "../../hooks/use-mobile.js";
 
 function setViewport(width: number) {
   Object.defineProperty(window, "innerWidth", {

src/ui/tests/i18n/i18n.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it, beforeEach } from "vitest";
 
-import { changeAppLanguage, normalizeLanguageCode } from "./i18n";
+import { changeAppLanguage, normalizeLanguageCode } from "../../i18n/i18n";
 
 describe("i18n language handling", () => {
   beforeEach(() => {

src/ui/tests/lib/base-path.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect, afterEach } from "vitest";
-import { getBasePath } from "./base-path.js";
+import { getBasePath } from "../../lib/base-path.js";
 
 const win = window as unknown as Record<string, unknown>;
 

src/ui/tests/lib/clipboard.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
-import { copyToClipboard } from "./clipboard";
+import { copyToClipboard } from "../../lib/clipboard";
 
 describe("copyToClipboard", () => {
   const originalClipboard = navigator.clipboard;

src/ui/tests/lib/database-transfer-url.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { getDatabaseTransferUrl } from "./database-transfer-url";
+import { getDatabaseTransferUrl } from "../../lib/database-transfer-url";
 
 const productionLocation = {
   protocol: "https:",

src/ui/tests/lib/electron-wheel-zoom.test.ts

@@ -1,5 +1,5 @@
 import { afterEach, describe, expect, it } from "vitest";
-import { installElectronWheelZoomGuard } from "./electron-wheel-zoom";
+import { installElectronWheelZoomGuard } from "../../lib/electron-wheel-zoom";
 
 const win = window as unknown as Record<string, unknown>;
 let cleanup: (() => void) | undefined;

src/ui/tests/lib/electron.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect, afterEach } from "vitest";
-import { isElectron } from "./electron.js";
+import { isElectron } from "../../lib/electron.js";
 
 const win = window as unknown as Record<string, unknown>;
 

src/ui/tests/lib/frontend-logger.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
-import { apiLogger } from "./frontend-logger.js";
+import { apiLogger } from "../../lib/frontend-logger.js";
 
 // The formatting helpers (status/performance icons, URL sanitization) are
 // private, so we exercise them through the public request* methods and assert

src/ui/tests/lib/server-status-store.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, vi } from "vitest";
-import { ServerStatusStore } from "./server-status-store";
+import { ServerStatusStore } from "../../lib/server-status-store";
 
 describe("ServerStatusStore", () => {
   it("notifies only listeners for hosts whose status value changed", () => {

src/ui/tests/lib/terminal-syntax-highlighter.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect } from "vitest";
-import { highlightTerminalOutput } from "./terminal-syntax-highlighter.js";
+import { highlightTerminalOutput } from "../../lib/terminal-syntax-highlighter.js";
 
 const ESC = "\x1b";
 

src/ui/tests/lib/ttl-request-cache.test.ts

@@ -1,5 +1,5 @@
 import { afterEach, describe, expect, it, vi } from "vitest";
-import { createTtlRequestCache } from "./ttl-request-cache";
+import { createTtlRequestCache } from "../../lib/ttl-request-cache";
 
 afterEach(() => {
   vi.useRealTimers();

src/ui/tests/lib/utils.test.ts

@@ -1,5 +1,5 @@
 import { describe, it, expect } from "vitest";
-import { cn } from "./utils.js";
+import { cn } from "../../lib/utils.js";
 
 describe("cn", () => {
   it("joins class names", () => {

src/ui/tests/sidebar/AdminUserManagePanel.test.tsx

@@ -0,0 +1,209 @@
+import { describe, it, expect, vi, beforeEach } from "vitest";
+import { render, screen, waitFor } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+
+import { AdminUserManagePanel } from "../../sidebar/AdminUserManagePanel";
+import type { AdminUser } from "../../sidebar/AdminManagementSections";
+
+const api = vi.hoisted(() => ({
+  adminGetUserHosts: vi.fn(async () => [] as unknown[]),
+  adminDeleteUserHost: vi.fn(async () => ({})),
+  adminGetUserCredentials: vi.fn(async () => [] as unknown[]),
+  adminDeleteUserCredential: vi.fn(async () => ({})),
+  adminGetUserSnippets: vi.fn(async () => [] as unknown[]),
+  adminCreateUserSnippet: vi.fn(async () => ({})),
+  adminUpdateUserSnippet: vi.fn(async () => ({})),
+  adminDeleteUserSnippet: vi.fn(async () => ({})),
+  adminResetUserPassword: vi.fn(async () => ({ dataWiped: false })),
+  adminDisableUserTotp: vi.fn(async () => ({})),
+  adminExportUserData: vi.fn(async () => ({})),
+  getSessions: vi.fn(async () => ({ sessions: [] as unknown[] })),
+  revokeSession: vi.fn(async () => ({})),
+  revokeAllUserSessions: vi.fn(async () => ({})),
+  getApiKeys: vi.fn(async () => ({ apiKeys: [] as unknown[] })),
+  createApiKey: vi.fn(async () => ({})),
+  deleteApiKey: vi.fn(async () => ({})),
+  deleteUser: vi.fn(async () => ({})),
+  getUserRoles: vi.fn(async () => ({ roles: [] as unknown[] })),
+  assignRoleToUser: vi.fn(async () => ({})),
+  removeRoleFromUser: vi.fn(async () => ({})),
+}));
+
+vi.mock("@/main-axios", () => api);
+
+vi.mock("../../sidebar/HostEditor", () => ({
+  HostEditor: () => <div data-testid="host-editor" />,
+}));
+
+vi.mock("../../sidebar/CredentialEditorView", () => ({
+  CredentialEditorView: () => <div data-testid="credential-editor" />,
+}));
+
+vi.mock("react-i18next", () => ({
+  useTranslation: () => ({ t: (key: string) => key }),
+}));
+
+vi.mock("sonner", () => ({
+  toast: { success: vi.fn(), error: vi.fn() },
+}));
+
+function makeUser(overrides: Partial<AdminUser> = {}): AdminUser {
+  return {
+    id: "u2",
+    username: "bob",
+    isAdmin: false,
+    isOidc: false,
+    passwordHash: "hash",
+    dataUnlocked: true,
+    totpEnabled: false,
+    ...overrides,
+  };
+}
+
+function renderPanel(
+  user: AdminUser,
+  callbacks: Partial<Record<string, () => void>> = {},
+) {
+  return render(
+    <AdminUserManagePanel
+      user={user}
+      roles={[]}
+      onBack={callbacks.onBack ?? vi.fn()}
+      onOpenHostTab={callbacks.onOpenHostTab as never}
+      onUserDeleted={callbacks.onUserDeleted ?? vi.fn()}
+      onTotpDisabled={callbacks.onTotpDisabled ?? vi.fn()}
+    />,
+  );
+}
+
+beforeEach(() => {
+  for (const fn of Object.values(api)) fn.mockClear();
+});
+
+describe("AdminUserManagePanel", () => {
+  it("renders all manage tabs and loads the target user's data", async () => {
+    renderPanel(makeUser());
+
+    for (const tab of [
+      "admin.manageTabAccount",
+      "admin.manageTabHosts",
+      "admin.manageTabCredentials",
+      "admin.manageTabSnippets",
+      "admin.manageTabSessions",
+      "admin.manageTabDanger",
+    ]) {
+      expect(screen.getByText(tab)).toBeTruthy();
+    }
+
+    await waitFor(() => {
+      expect(api.adminGetUserHosts).toHaveBeenCalledWith("u2");
+      expect(api.adminGetUserCredentials).toHaveBeenCalledWith("u2");
+      expect(api.adminGetUserSnippets).toHaveBeenCalledWith("u2");
+      expect(api.getUserRoles).toHaveBeenCalledWith("u2");
+    });
+  });
+
+  it("skips data fetches and shows the locked notice when data is locked", async () => {
+    renderPanel(makeUser({ dataUnlocked: false }));
+
+    expect(screen.getByText("admin.dataLockedBadge")).toBeTruthy();
+
+    await userEvent.click(screen.getByText("admin.manageTabHosts"));
+    expect(screen.getByText("admin.dataLockedNotice")).toBeTruthy();
+    expect(screen.queryByText("admin.addHostForUser")).toBeNull();
+
+    expect(api.adminGetUserHosts).not.toHaveBeenCalled();
+    expect(api.adminGetUserCredentials).not.toHaveBeenCalled();
+    expect(api.adminGetUserSnippets).not.toHaveBeenCalled();
+  });
+
+  it("lists the user's hosts and opens a tab via the connect button", async () => {
+    api.adminGetUserHosts.mockResolvedValueOnce([
+      {
+        id: 7,
+        name: "web-01",
+        username: "root",
+        ip: "10.0.0.5",
+        port: 22,
+        authType: "password",
+        connectionType: "ssh",
+      },
+    ]);
+    const onOpenHostTab = vi.fn();
+    renderPanel(makeUser(), { onOpenHostTab });
+
+    await userEvent.click(screen.getByText("admin.manageTabHosts"));
+    await screen.findByText("web-01");
+
+    await userEvent.click(screen.getByTitle("admin.connectToHost"));
+    expect(onOpenHostTab).toHaveBeenCalledTimes(1);
+    expect(onOpenHostTab.mock.calls[0][0]).toMatchObject({
+      id: "7",
+      ip: "10.0.0.5",
+    });
+  });
+
+  it("disables TOTP through the confirm dialog", async () => {
+    const onTotpDisabled = vi.fn();
+    renderPanel(makeUser({ totpEnabled: true }), { onTotpDisabled });
+
+    expect(screen.getByText("admin.totpStatusEnabled")).toBeTruthy();
+    await userEvent.click(screen.getByText("admin.disableTotp"));
+    await userEvent.click(screen.getByText("common.confirm"));
+
+    await waitFor(() => {
+      expect(api.adminDisableUserTotp).toHaveBeenCalledWith("u2");
+      expect(onTotpDisabled).toHaveBeenCalled();
+    });
+    expect(screen.getByText("admin.totpStatusDisabled")).toBeTruthy();
+  });
+
+  it("creates a snippet for the target user", async () => {
+    renderPanel(makeUser());
+
+    await userEvent.click(screen.getByText("admin.manageTabSnippets"));
+    await userEvent.click(screen.getByText("admin.addSnippetForUser"));
+    await userEvent.type(
+      screen.getByPlaceholderText("admin.snippetNamePlaceholder"),
+      "restart",
+    );
+    await userEvent.type(
+      screen.getByPlaceholderText("admin.snippetContentPlaceholder"),
+      "systemctl restart nginx",
+    );
+    await userEvent.click(screen.getByText("common.save"));
+
+    await waitFor(() => {
+      expect(api.adminCreateUserSnippet).toHaveBeenCalledWith("u2", {
+        name: "restart",
+        content: "systemctl restart nginx",
+        folder: null,
+      });
+    });
+  });
+
+  it("deletes the user from the danger tab after confirmation", async () => {
+    const onUserDeleted = vi.fn();
+    renderPanel(makeUser(), { onUserDeleted });
+
+    await userEvent.click(screen.getByText("admin.manageTabDanger"));
+    await userEvent.click(screen.getByText("admin.deleteUser"));
+    await userEvent.click(screen.getByText("common.confirm"));
+
+    await waitFor(() => {
+      expect(api.deleteUser).toHaveBeenCalledWith("bob");
+      expect(onUserDeleted).toHaveBeenCalled();
+    });
+  });
+
+  it("blocks deleting admin accounts", async () => {
+    renderPanel(makeUser({ isAdmin: true }));
+
+    await userEvent.click(screen.getByText("admin.manageTabDanger"));
+    const deleteBtn = screen
+      .getByText("admin.deleteUser")
+      .closest("button") as HTMLButtonElement;
+    expect(deleteBtn.disabled).toBe(true);
+    expect(screen.getByText("admin.deleteUserAdminBlocked")).toBeTruthy();
+  });
+});

src/ui/tests/sidebar/FolderPathPicker.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { normalizePath, splitPath } from "./FolderPathPicker.js";
+import { normalizePath, splitPath } from "../../sidebar/FolderPathPicker.js";
 
 describe("splitPath", () => {
   it("splits on canonical separator", () => {

src/ui/tests/sidebar/HostEditorData.test.ts

@@ -3,7 +3,7 @@ import {
   createHostEditorForm,
   buildHostEditorPayload,
   type HostProtocols,
-} from "./HostEditorData";
+} from "../../sidebar/HostEditorData";
 
 const sshOnly: HostProtocols = {
   enableSsh: true,

src/ui/tests/sidebar/host-sort.test.ts

@@ -1,6 +1,9 @@
 import { describe, expect, it } from "vitest";
 import type { Host, HostFolder } from "@/types/ui-types";
-import { resolveHostSortPreferences, sortHostTree } from "./host-sort";
+import {
+  resolveHostSortPreferences,
+  sortHostTree,
+} from "../../sidebar/host-sort";
 
 function host(name: string, pin = false): Host {
   return {

src/ui/tests/sidebar/quick-connect-host.test.ts

@@ -2,7 +2,7 @@ import { afterEach, describe, expect, it, vi } from "vitest";
 import {
   createQuickConnectHost,
   quickConnectHostToPayload,
-} from "./quick-connect-host";
+} from "../../sidebar/quick-connect-host";
 
 describe("quick connect host", () => {
   afterEach(() => vi.restoreAllMocks());