openpencil/apps/web/server/api/local-asset.get.ts
Kayshen-X a7d73ebb62 feat(ai): pencil-style agentic design tool-loop, multi-chat tabs, #27 panel restyle
Built-in design generation now runs as an agentic MCP tool-loop (reusing the
agent-rs BuiltInProvider), gated behind OPENPENCIL_DESIGN_AGENT_LOOP / the
Settings experimental toggle; the orchestrator stays the default.

- design-agent system prompt + in-process design toolset (parity-locked with
  the MCP surface) + flag-gated Intent::Design routing
- spawn_agents execution as sequential sub-loops + live creation-mode badges
  (per-agent glow + 'N/M designing...' header)
- new MCP tools: get_guidelines, ToolSearch, get_screenshot, get_editor_state,
  export_nodes, spawn_agents; style-guide local audit
- #27 AI panel restyle: rounded tool cards + green check-rings, gray user
  bubbles, model-pill bottom toolbar, header, empty-state pills, the
  PARALLEL AGENTS (agent_team_size) 1x-6x chip dropdown
- multi-chat tabs: ChatSessions model (Deref-to-active) + tab row UI
  (switch / close / + / Cmd+T) with each run bound to its tab

Large checkpoint commit spanning the working tree (Rust shell crates).
2026-07-02 21:21:06 +08:00

59 lines
1.5 KiB
TypeScript

import {
createError,
defineEventHandler,
getQuery,
getRequestHeader,
setResponseHeaders,
} from 'h3';
import { readFile } from 'node:fs/promises';
import { resolveServableLocalImagePath } from '../utils/local-asset';
export default defineEventHandler(async (event) => {
const { path } = getQuery(event) as { path?: string };
const secFetchSite = getRequestHeader(event, 'sec-fetch-site');
if (secFetchSite === 'cross-site') {
throw createError({
statusCode: 403,
message: 'Cross-site local asset requests are blocked',
});
}
if (!path?.trim()) {
throw createError({
statusCode: 400,
message: 'Missing required query parameter: path',
});
}
if (path.includes('\0') || !isAbsoluteLocalPath(path)) {
throw createError({
statusCode: 400,
message: 'Only absolute local image paths are supported',
});
}
const resolvedAsset = await resolveServableLocalImagePath(path);
if (!resolvedAsset) {
throw createError({
statusCode: 404,
message: 'Image file not found or unsupported',
});
}
const content = await readFile(resolvedAsset.resolvedPath);
setResponseHeaders(event, {
'Content-Type': resolvedAsset.mimeType,
'Cache-Control': 'no-cache',
'Cross-Origin-Resource-Policy': 'same-origin',
'X-Content-Type-Options': 'nosniff',
});
return content;
});
function isAbsoluteLocalPath(value: string): boolean {
return /^[A-Za-z]:[\\/]/.test(value) || value.startsWith('\\\\') || value.startsWith('/');
}