chore(desktop): clean source package artifacts

.gitignore

@@ -11,6 +11,7 @@
 desktop/build/
 desktop/dist/
 desktop/node_modules/
+desktop/package-lock.json
 desktop/resources/nanobot-engine/
 
 # Claude / AI assistant artifacts

desktop/README.md

@@ -90,7 +90,9 @@ so updating the app replaces code without overwriting local user state.
 
 ## Runtime Contract
 
-- User data lives under the platform app data directory (`~/Library/Application Support/nanobot/` on macOS).
+- User data lives under Electron's platform app data directory. In development
+  this is usually `~/Library/Application Support/@nanobot/desktop/` on macOS;
+  packaged builds use the packaged app name.
 - Fresh installs start the private engine directly. The Python desktop gateway
   creates the first `config.json` with defaults, then shared WebUI settings own
   provider, model, and credential setup.

desktop/docs/host-contract.md

@@ -77,10 +77,13 @@ permissions.
 ## Data Directory
 
 The host stores config, workspace, sessions, logs, and transient socket files
-under the platform app data directory. On macOS this is:
+under Electron's platform app data directory. In development on macOS this is
+usually:
 
 ```text
-~/Library/Application Support/nanobot/
+~/Library/Application Support/@nanobot/desktop/
 ```
 
+Packaged builds use the packaged app name.
+
 The app bundle is replaceable. User data is not stored in the bundle.

desktop/docs/webui-sync.md

@@ -48,10 +48,11 @@ reload. Main/preload changes still require restarting `dev:app`.
 
 ## Checklist
 
-- WebUI source remains product-neutral:
+- WebUI source remains host-neutral: it may branch on generic runtime
+  capabilities, but it must not import Electron or desktop source files.
 
   ```sh
-  rg -n "desktop|Desktop|nanobotDesktop" webui/src
+  rg -n "from ['\\\"]electron|desktop/src|nanobotDesktop" webui/src
   ```
 
   This command should print nothing.

nanobot/webui/mcp_presets_api.py

@@ -16,8 +16,8 @@ from datetime import datetime, timezone
 from pathlib import Path
 from typing import Any, Literal, Mapping
 
-from nanobot.apps.protocol import app_manifest, compact_dict
 from nanobot.agent.tools.registry import ToolRegistry
+from nanobot.apps.protocol import app_manifest, compact_dict
 from nanobot.config.loader import load_config, resolve_config_env_vars, save_config
 from nanobot.config.paths import get_runtime_subdir
 from nanobot.config.schema import MCPServerConfig

webui/src/components/FilePreviewPanel.tsx

@@ -4,9 +4,7 @@ import { AlertCircle, ChevronRight, FileText, Loader2, X } from "lucide-react";
 import { useTranslation } from "react-i18next";
 
 import { CodeBlock } from "@/components/CodeBlock";
-import {
+import { splitFilePath } from "@/components/FileReferenceChip";
-  splitFilePath,
-} from "@/components/FileReferenceChip";
 import { ApiError, fetchFilePreview } from "@/lib/api";
 import type { FilePreviewPayload } from "@/lib/types";
 import { cn } from "@/lib/utils";