feat: finish the ai plugin (B18)

src/backend/database/routes/delete-user-data.ts

@@ -1,6 +1,5 @@
 import { authLogger } from "../../utils/logger.js";
 import {
-  createCurrentAiRepository,
   createCurrentNotificationChannelRepository,
   createCurrentApiKeyRepository,
   createCurrentAuditLogRepository,
@@ -73,7 +72,6 @@ export async function deleteUserAndRelatedData(
     await createCurrentTrustedDeviceRepository().deleteByUserId(userId);
 
     await createCurrentRoleRepository().removeAllRolesFromUser(userId);
-    await createCurrentAiRepository().deleteByUserId(userId);
     await createCurrentNotificationChannelRepository().deleteByUserId(userId);
     await createCurrentAuditLogRepository().anonymizeByUserId(userId);
 

src/backend/database/routes/host-bulk-routes.ts

@@ -288,8 +288,6 @@ export function registerHostBulkRoutes(
           simpleUpdates.enableTmuxMonitor = updates.enableTmuxMonitor;
         if (typeof updates.enableTerminalToolbar === "boolean")
           simpleUpdates.enableTerminalToolbar = updates.enableTerminalToolbar;
-        if (typeof updates.enableAiAssistant === "boolean")
-          simpleUpdates.enableAiAssistant = updates.enableAiAssistant;
         if (typeof updates.statusCheckEnabled === "boolean")
           simpleUpdates.statusCheckEnabled = updates.statusCheckEnabled;
 
@@ -751,7 +749,6 @@ export function registerHostBulkRoutes(
             enableFileManager: hostData.enableFileManager !== false,
             enableTmuxMonitor: hostData.enableTmuxMonitor || false,
             enableTerminalToolbar: hostData.enableTerminalToolbar !== false,
-            enableAiAssistant: hostData.enableAiAssistant || false,
             enableCommandHistory: hostData.enableCommandHistory !== false,
             showTerminalInSidebar: hostData.showTerminalInSidebar ? 1 : 0,
             showFileManagerInSidebar: hostData.showFileManagerInSidebar ? 1 : 0,
@@ -1012,7 +1009,6 @@ export function registerHostBulkRoutes(
             enableFileManager: true,
             enableTmuxMonitor: false,
             enableTerminalToolbar: true,
-            enableAiAssistant: false,
             showTerminalInSidebar: 0,
             showFileManagerInSidebar: 0,
             showTunnelInSidebar: 0,

src/backend/database/routes/host-normalizers.ts

@@ -178,7 +178,6 @@ export type NormalizedImportedHost = Record<string, unknown> & {
   enableProxmox?: unknown;
   enableTmuxMonitor?: unknown;
   enableTerminalToolbar?: unknown;
-  enableAiAssistant?: unknown;
   enableCommandHistory?: unknown;
   showTerminalInSidebar?: unknown;
   showFileManagerInSidebar?: unknown;
@@ -340,7 +339,6 @@ const CONNECT_LEVEL_FIELDS = new Set([
   "enableFileManager",
   "enableTmuxMonitor",
   "enableTerminalToolbar",
-  "enableAiAssistant",
   "showTerminalInSidebar",
   "showFileManagerInSidebar",
   "showTunnelInSidebar",
@@ -436,7 +434,6 @@ export function transformHostResponse(
     enableFileManager: host.enableFileManager !== false,
     enableTmuxMonitor: !!host.enableTmuxMonitor,
     enableTerminalToolbar: host.enableTerminalToolbar !== false,
-    enableAiAssistant: !!host.enableAiAssistant,
     showTerminalInSidebar: !!host.showTerminalInSidebar,
     showFileManagerInSidebar: !!host.showFileManagerInSidebar,
     showTunnelInSidebar: !!host.showTunnelInSidebar,

src/backend/database/routes/host.ts

@@ -15,17 +15,15 @@ import {
   pickResolvedUsername,
 } from "../../hosts/credential-username.js";
 import { emitInternalEvent } from "../../hosts/internal-events.js";
+import { deleteOwnedHost } from "../../hosts/delete-host.js";
 import {
   createCurrentCredentialRepository,
   createCurrentOpksshTokenRepository,
-  createCurrentRecentActivityRepository,
-  createCurrentSshCredentialUsageRepository,
   createCurrentRbacAccessRepository,
   createCurrentRoleRepository,
   createCurrentHostResolutionRepository,
   createCurrentHostRepository,
   createCurrentUserRepository,
-  createCurrentSyncTombstoneRepository,
   createCurrentSharedHostAuthOverrideRepository,
 } from "../repositories/factory.js";
 import {
@@ -202,7 +200,6 @@ router.post(
       enableProxmox,
       enableTmuxMonitor,
       enableTerminalToolbar,
-      enableAiAssistant,
       showTerminalInSidebar,
       showFileManagerInSidebar,
       showTunnelInSidebar,
@@ -332,7 +329,6 @@ router.post(
       scpLegacy: scpLegacy ? 1 : 0,
       enableTmuxMonitor: enableTmuxMonitor ? 1 : 0,
       enableTerminalToolbar: enableTerminalToolbar === false ? 0 : 1,
-      enableAiAssistant: enableAiAssistant ? 1 : 0,
       showTerminalInSidebar: showTerminalInSidebar ? 1 : 0,
       showFileManagerInSidebar: showFileManagerInSidebar ? 1 : 0,
       showTunnelInSidebar: showTunnelInSidebar ? 1 : 0,
@@ -756,7 +752,6 @@ router.post(
         enableWebUi: false,
         enableTmuxMonitor: false,
         enableTerminalToolbar: true,
-        enableAiAssistant: false,
         showTerminalInSidebar: true,
         showFileManagerInSidebar: false,
         showTunnelInSidebar: false,
@@ -886,7 +881,6 @@ router.put(
       enableProxmox,
       enableTmuxMonitor,
       enableTerminalToolbar,
-      enableAiAssistant,
       showTerminalInSidebar,
       showFileManagerInSidebar,
       showTunnelInSidebar,
@@ -1017,7 +1011,6 @@ router.put(
       scpLegacy: scpLegacy ? 1 : 0,
       enableTmuxMonitor: enableTmuxMonitor ? 1 : 0,
       enableTerminalToolbar: enableTerminalToolbar === false ? 0 : 1,
-      enableAiAssistant: enableAiAssistant ? 1 : 0,
       showTerminalInSidebar: showTerminalInSidebar ? 1 : 0,
       showFileManagerInSidebar: showFileManagerInSidebar ? 1 : 0,
       showTunnelInSidebar: showTunnelInSidebar ? 1 : 0,
@@ -2084,7 +2077,6 @@ router.get(
             enableProxmoxStats: !!proxmoxSettings?.enableProxmoxStats,
             enableTmuxMonitor: !!resolvedHost.enableTmuxMonitor,
             enableTerminalToolbar: resolvedHost.enableTerminalToolbar !== false,
-            enableAiAssistant: !!resolvedHost.enableAiAssistant,
             showTerminalInSidebar: !!resolvedHost.showTerminalInSidebar,
             showFileManagerInSidebar: !!resolvedHost.showFileManagerInSidebar,
             showTunnelInSidebar: !!resolvedHost.showTunnelInSidebar,
@@ -2241,7 +2233,6 @@ router.get(
               enableTmuxMonitor: !!resolvedHost.enableTmuxMonitor,
               enableTerminalToolbar:
                 resolvedHost.enableTerminalToolbar !== false,
-              enableAiAssistant: !!resolvedHost.enableAiAssistant,
               showTerminalInSidebar: !!resolvedHost.showTerminalInSidebar,
               showFileManagerInSidebar: !!resolvedHost.showFileManagerInSidebar,
               showTunnelInSidebar: !!resolvedHost.showTunnelInSidebar,
@@ -2418,13 +2409,9 @@ router.delete(
       hostId: parseInt(hostId),
     });
     try {
-      const hostToDelete =
-        await createCurrentHostResolutionRepository().findHostByIdForUser(
-          Number(hostId),
-          userId,
-        );
+      const deleted = await deleteOwnedHost(userId, Number(hostId));
 
-      if (!hostToDelete) {
+      if (!deleted) {
         sshLogger.warn("SSH host not found for deletion", {
           operation: "host_delete",
           hostId: parseInt(hostId),
@@ -2433,34 +2420,6 @@ router.delete(
         return res.status(404).json({ error: "SSH host not found" });
       }
 
-      const numericHostId = Number(hostId);
-
-      // file manager recent/pinned/shortcuts, transfer_recent, command
-      // history and session recordings cascade on the host's refHost()
-      // foreign key, as the file-manager, ssh-terminal and
-      // session-recording plugins' adopted tables.
-
-      await createCurrentSshCredentialUsageRepository().deleteByHostId(
-        numericHostId,
-      );
-
-      await createCurrentRecentActivityRepository().deleteByHostId(
-        numericHostId,
-      );
-
-      await createCurrentRbacAccessRepository().deleteHostAccessForHost(
-        numericHostId,
-      );
-
-      await createCurrentHostRepository().deleteForUser(userId, numericHostId);
-      if (hostToDelete.syncId) {
-        await createCurrentSyncTombstoneRepository().record(
-          userId,
-          "hosts",
-          hostToDelete.syncId,
-        );
-      }
-
       databaseLogger.success("SSH host deleted", {
         operation: "host_delete_success",
         userId,
@@ -2474,29 +2433,12 @@ router.delete(
         action: "delete_host",
         resourceType: "host",
         resourceId: hostId,
-        resourceName: hostToDelete.name ?? hostToDelete.ip,
+        resourceName: deleted.name,
         ipAddress: dhIp,
         userAgent: dhUa,
         success: true,
       });
 
-      emitInternalEvent("host_deleted", userId, numericHostId, {
-        name: hostToDelete.name ?? hostToDelete.ip,
-      });
-
-      try {
-        pluginEvents.emit(TOPICS.hostDeleted, {
-          hostId: numericHostId,
-          userId,
-        });
-      } catch (err) {
-        sshLogger.warn("Failed to publish host deletion event", {
-          operation: "host_delete",
-          hostId: numericHostId,
-          error: err instanceof Error ? err.message : String(err),
-        });
-      }
-
       res.json({ message: "SSH host deleted" });
     } catch (err) {
       sshLogger.error("Failed to delete SSH host from database", err, {

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

@@ -32,8 +32,6 @@ const pickPreferences = (row?: UserPreferenceRecord | null) => ({
   disableUpdateCheck: row?.disableUpdateCheck ?? null,
   confirmTabClose: row?.confirmTabClose ?? null,
   hiddenRailTabs: row?.hiddenRailTabs ?? null,
-  aiAssistantEnabled: row?.aiAssistantEnabled ?? null,
-  aiReadOnlyCommands: row?.aiReadOnlyCommands ?? null,
   compactHostView: row?.compactHostView ?? null,
   statusColorScheme: row?.statusColorScheme ?? null,
   customThemes: row?.customThemes ?? null,
@@ -227,8 +225,6 @@ router.put("/", authenticateJWT, async (req: Request, res: Response) => {
     disableUpdateCheck,
     confirmTabClose,
     hiddenRailTabs,
-    aiAssistantEnabled,
-    aiReadOnlyCommands,
     customThemes,
     customKeybindings,
     terminalDefaults,
@@ -249,8 +245,6 @@ router.put("/", authenticateJWT, async (req: Request, res: Response) => {
     disableUpdateCheck?: boolean | null;
     confirmTabClose?: boolean | null;
     hiddenRailTabs?: string | null;
-    aiAssistantEnabled?: boolean | null;
-    aiReadOnlyCommands?: boolean | null;
     customThemes?: string | null;
     customKeybindings?: string | null;
     terminalDefaults?: string | null;
@@ -392,8 +386,6 @@ router.put("/", authenticateJWT, async (req: Request, res: Response) => {
     confirmSnippetExecution,
     disableUpdateCheck,
     confirmTabClose,
-    aiAssistantEnabled,
-    aiReadOnlyCommands,
   };
   for (const [key, value] of Object.entries(boolFields)) {
     if (value !== undefined && value !== null && typeof value !== "boolean") {
@@ -407,10 +399,6 @@ router.put("/", authenticateJWT, async (req: Request, res: Response) => {
   if (language !== undefined) updates.language = language;
   if (storageMode !== undefined) updates.storageMode = storageMode;
   if (hiddenRailTabs !== undefined) updates.hiddenRailTabs = hiddenRailTabs;
-  if (aiAssistantEnabled !== undefined)
-    updates.aiAssistantEnabled = aiAssistantEnabled;
-  if (aiReadOnlyCommands !== undefined)
-    updates.aiReadOnlyCommands = aiReadOnlyCommands;
   if (commandAutocomplete !== undefined)
     updates.commandAutocomplete = commandAutocomplete;
   if (commandPaletteEnabled !== undefined)