feat(backend): WebSocket server wiring bridge to frontend
Implements packages/backend/src/index.ts: - Creates WebSocket server on port 18790 (configurable via WS_PORT) - Instantiates OpenClawBridge and connects to OpenClaw GW - Transforms bridge agentStateChanged events into frontend-compatible state.diff messages (agent.activity / agent.position ops) - Sends state.full snapshot on new client connection - Broadcasts heartbeat pings every 15 seconds - Handles graceful shutdown on SIGINT/SIGTERM
This commit is contained in:
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3 changed files with 3492 additions and 1 deletions
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packages/backend/package-lock.json
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"optional": true,
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|
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"optional": true,
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"os": [
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|
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|
||||
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"x64"
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],
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"license": "MIT",
|
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"optional": true,
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"os": [
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}
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"node_modules/@types/node": {
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"version": "22.19.19",
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"dev": true,
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"dependencies": {
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"undici-types": "~6.21.0"
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}
|
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},
|
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"node_modules/@types/ws": {
|
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"version": "8.18.1",
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"resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
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"@types/node": "*"
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"node_modules/esbuild": {
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"version": "0.28.0",
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"resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.28.0.tgz",
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"dev": true,
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"hasInstallScript": true,
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"license": "MIT",
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"bin": {
|
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"esbuild": "bin/esbuild"
|
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},
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"engines": {
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"node": ">=18"
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"optionalDependencies": {
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"@esbuild/darwin-x64": "0.28.0",
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"@esbuild/freebsd-x64": "0.28.0",
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"@esbuild/linux-arm": "0.28.0",
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"@esbuild/linux-arm64": "0.28.0",
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"@esbuild/linux-ia32": "0.28.0",
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"@esbuild/linux-loong64": "0.28.0",
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"@esbuild/linux-mips64el": "0.28.0",
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"@esbuild/linux-ppc64": "0.28.0",
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"@esbuild/linux-riscv64": "0.28.0",
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"@esbuild/linux-s390x": "0.28.0",
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"@esbuild/linux-x64": "0.28.0",
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"@esbuild/netbsd-arm64": "0.28.0",
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"@esbuild/netbsd-x64": "0.28.0",
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"@esbuild/openbsd-arm64": "0.28.0",
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"@esbuild/openbsd-x64": "0.28.0",
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"@esbuild/openharmony-arm64": "0.28.0",
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"@esbuild/sunos-x64": "0.28.0",
|
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"@esbuild/win32-arm64": "0.28.0",
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"@esbuild/win32-ia32": "0.28.0",
|
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"@esbuild/win32-x64": "0.28.0"
|
||||
}
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},
|
||||
"node_modules/fsevents": {
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||||
"version": "2.3.3",
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"resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
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"integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
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"dev": true,
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"hasInstallScript": true,
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"license": "MIT",
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"optional": true,
|
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"os": [
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"darwin"
|
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],
|
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"engines": {
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"node": "^8.16.0 || ^10.6.0 || >=11.0.0"
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}
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},
|
||||
"node_modules/tsx": {
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"version": "4.22.3",
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"resolved": "https://registry.npmjs.org/tsx/-/tsx-4.22.3.tgz",
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"integrity": "sha512-mdoNxBC/cSQObGGVQ5Bpn5i+yv7j68gk3Nfm3wFjcJg3Z0Mix9jzAFfP12prmm5eVGmDKtp0yyArrs0Q+8gZHg==",
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"dependencies": {
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"esbuild": "~0.28.0"
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},
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"bin": {
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"tsx": "dist/cli.mjs"
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},
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"engines": {
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"node": ">=18.0.0"
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},
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"optionalDependencies": {
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"fsevents": "~2.3.3"
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}
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},
|
||||
"node_modules/typescript": {
|
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"version": "5.9.3",
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"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
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"integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
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"dev": true,
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"license": "Apache-2.0",
|
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"bin": {
|
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"tsc": "bin/tsc",
|
||||
"tsserver": "bin/tsserver"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=14.17"
|
||||
}
|
||||
},
|
||||
"node_modules/undici-types": {
|
||||
"version": "6.21.0",
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"resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
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"integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
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"dev": true,
|
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"license": "MIT"
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},
|
||||
"node_modules/ws": {
|
||||
"version": "8.20.1",
|
||||
"resolved": "https://registry.npmjs.org/ws/-/ws-8.20.1.tgz",
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"integrity": "sha512-It4dO0K5v//JtTXuPkfEOaI3uUN87iYPnqo/ZzqCoG3g8uhA66QUMs/SrM0YK7/NAu+r4LMh/9dq2A7k+rHs+w==",
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"license": "MIT",
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"engines": {
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"node": ">=10.0.0"
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},
|
||||
"peerDependencies": {
|
||||
"bufferutil": "^4.0.1",
|
||||
"utf-8-validate": ">=5.0.2"
|
||||
},
|
||||
"peerDependenciesMeta": {
|
||||
"bufferutil": {
|
||||
"optional": true
|
||||
},
|
||||
"utf-8-validate": {
|
||||
"optional": true
|
||||
}
|
||||
}
|
||||
},
|
||||
"node_modules/zod": {
|
||||
"version": "3.25.76",
|
||||
"resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
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"integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
|
||||
"license": "MIT",
|
||||
"funding": {
|
||||
"url": "https://github.com/sponsors/colinhacks"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1 +1,203 @@
|
|||
// placeholder
|
||||
// Spatial Office — Backend WebSocket Server
|
||||
//
|
||||
// Standalone backend that:
|
||||
// 1. Creates a WebSocket server on port 18790
|
||||
// 2. Instantiates the OpenClawBridge and connects to OpenClaw GW
|
||||
// 3. Broadcasts agentStateChanged events as state.diff messages
|
||||
// 4. Sends state.full snapshot on new client connections
|
||||
// 5. Cleans up on client disconnect
|
||||
// 6. Pings connected clients every 15s
|
||||
|
||||
import { WebSocketServer, WebSocket } from "ws";
|
||||
import OpenClawBridge from "../../../src/bridge-openclaw/index.js";
|
||||
|
||||
// ── Constants ────────────────────────────────────────────────
|
||||
|
||||
const WS_PORT = parseInt(process.env.WS_PORT || "18790", 10);
|
||||
const HEARTBEAT_INTERVAL_MS = 15_000;
|
||||
|
||||
// ── Bridge initialization ───────────────────────────────────
|
||||
|
||||
const bridge = new OpenClawBridge({
|
||||
gatewayUrl: process.env.OPENCLAW_GATEWAY_URL,
|
||||
gatewayToken: process.env.OPENCLAW_GATEWAY_TOKEN,
|
||||
agentEntries: [], // bridge polls sessions from GW; agent registry populates dynamically
|
||||
});
|
||||
|
||||
// ── Diff Transformation ─────────────────────────────────────
|
||||
//
|
||||
// The bridge emits agentStateChanged events with flat changes objects like:
|
||||
// { state: "active", previousState: "idle", zone: "pod-a", previousZone: "coffee-bar" }
|
||||
//
|
||||
// The frontend's applyDiff() expects an array of JSON-diff format:
|
||||
// [{ op: "agent.update", path: "agents.engineering", value: { ... } },
|
||||
// { op: "agent.position", path: "agents.engineering", value: { x: 2, y: 5 } }]
|
||||
//
|
||||
// This function converts the bridge's changes into frontend-compatible diffs.
|
||||
|
||||
function changesToDiffs(
|
||||
agentId: string,
|
||||
changes: Record<string, any>
|
||||
): Array<{ op: string; path: string; value: any }> {
|
||||
const diffs: Array<{ op: string; path: string; value: any }> = [];
|
||||
const path = `agents.${agentId}`;
|
||||
|
||||
// Collect state/zone changes
|
||||
const delta: Record<string, any> = {};
|
||||
|
||||
if ("state" in changes) {
|
||||
delta.activity = changes.state;
|
||||
}
|
||||
if ("zone" in changes) {
|
||||
delta.currentZone = changes.zone;
|
||||
}
|
||||
if ("previousState" in changes) {
|
||||
delta.previousActivity = changes.previousState;
|
||||
}
|
||||
if ("previousZone" in changes) {
|
||||
delta.previousZone = changes.previousZone;
|
||||
}
|
||||
if ("currentTask" in changes) {
|
||||
delta.currentTask = changes.currentTask;
|
||||
}
|
||||
|
||||
// If agent data is in the event, extract position
|
||||
if (changes.agent?.position) {
|
||||
diffs.push({
|
||||
op: "agent.position",
|
||||
path,
|
||||
value: changes.agent.position,
|
||||
});
|
||||
}
|
||||
|
||||
// Send an activity diff if something changed
|
||||
if (Object.keys(delta).length > 0) {
|
||||
diffs.push({
|
||||
op: "agent.activity",
|
||||
path,
|
||||
value: delta,
|
||||
});
|
||||
}
|
||||
|
||||
return diffs;
|
||||
}
|
||||
|
||||
// ── WebSocket Server ────────────────────────────────────────
|
||||
|
||||
const wss = new WebSocketServer({ port: WS_PORT });
|
||||
|
||||
// Track connected clients
|
||||
const clients = new Set<WebSocket>();
|
||||
|
||||
console.log(`[backend] WebSocket server listening on ws://0.0.0.0:${WS_PORT}`);
|
||||
|
||||
wss.on("connection", (ws: WebSocket) => {
|
||||
console.log("[backend] Client connected");
|
||||
clients.add(ws);
|
||||
|
||||
// Send full state snapshot on connect
|
||||
const state = bridge.getState();
|
||||
sendMessage(ws, { type: "state.full", payload: state });
|
||||
console.log(
|
||||
`[backend] Sent state.full snapshot: ${Object.keys(state.agents).length} agents, ${Object.keys(state.zones).length} zones`
|
||||
);
|
||||
|
||||
ws.on("close", () => {
|
||||
console.log("[backend] Client disconnected");
|
||||
clients.delete(ws);
|
||||
if (clients.size === 0) {
|
||||
console.log("[backend] No clients remaining");
|
||||
}
|
||||
});
|
||||
|
||||
ws.on("error", (err: Error) => {
|
||||
console.error("[backend] Client error:", err.message);
|
||||
clients.delete(ws);
|
||||
});
|
||||
});
|
||||
|
||||
// ── Bridge Event Handlers ───────────────────────────────────
|
||||
|
||||
bridge.on("agentStateChanged", (event: any) => {
|
||||
// Transform bridge changes into frontend-compatible diffs
|
||||
const diffs = changesToDiffs(event.agentId, {
|
||||
...event.changes,
|
||||
agent: event.agent,
|
||||
});
|
||||
|
||||
if (diffs.length === 0) return;
|
||||
|
||||
// Broadcast state diff to all connected clients
|
||||
const message = JSON.stringify({
|
||||
type: "state.diff",
|
||||
changes: diffs,
|
||||
});
|
||||
|
||||
for (const ws of clients) {
|
||||
if (ws.readyState === WebSocket.OPEN) {
|
||||
ws.send(message);
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
bridge.on("error", (err: Error) => {
|
||||
console.error("[backend] Bridge error:", err.message);
|
||||
});
|
||||
|
||||
bridge.on("warn", (msg: string) => {
|
||||
console.warn("[backend] Bridge warning:", msg);
|
||||
});
|
||||
|
||||
bridge.on("status", (status: any) => {
|
||||
console.log("[backend] Bridge status:", status.state);
|
||||
});
|
||||
|
||||
// ── Heartbeat ───────────────────────────────────────────────
|
||||
|
||||
const heartbeatTimer = setInterval(() => {
|
||||
const now = Date.now();
|
||||
const ping = JSON.stringify({ type: "heartbeat", timestamp: now });
|
||||
|
||||
for (const ws of clients) {
|
||||
if (ws.readyState === WebSocket.OPEN) {
|
||||
ws.send(ping);
|
||||
}
|
||||
}
|
||||
}, HEARTBEAT_INTERVAL_MS);
|
||||
|
||||
// ── Helpers ─────────────────────────────────────────────────
|
||||
|
||||
function sendMessage(ws: WebSocket, msg: Record<string, unknown>) {
|
||||
if (ws.readyState === WebSocket.OPEN) {
|
||||
ws.send(JSON.stringify(msg));
|
||||
}
|
||||
}
|
||||
|
||||
// ── Startup ─────────────────────────────────────────────────
|
||||
|
||||
console.log("[backend] Starting OpenClaw bridge...");
|
||||
bridge.start();
|
||||
|
||||
// ── Shutdown ────────────────────────────────────────────────
|
||||
|
||||
async function shutdown() {
|
||||
console.log("[backend] Shutting down...");
|
||||
clearInterval(heartbeatTimer);
|
||||
|
||||
// Close all client connections
|
||||
for (const ws of clients) {
|
||||
ws.close(1001, "Server shutting down");
|
||||
}
|
||||
|
||||
// Stop bridge and close WSS
|
||||
await bridge.stop();
|
||||
wss.close(() => {
|
||||
console.log("[backend] WebSocket server closed");
|
||||
process.exit(0);
|
||||
});
|
||||
}
|
||||
|
||||
process.on("SIGINT", shutdown);
|
||||
process.on("SIGTERM", shutdown);
|
||||
|
||||
console.log("[backend] Spatial Office backend running");
|
||||
|
|
|
|||
2678
packages/frontend/package-lock.json
generated
Normal file
2678
packages/frontend/package-lock.json
generated
Normal file
File diff suppressed because it is too large
Load diff
Loading…
Add table
Add a link
Reference in a new issue