feat: add admin UI dashboard with static serving
- Add admin-ui/index.html: web-based dashboard for monitoring hub - Add admin-ui/README.md: setup instructions for OBSERVE_SECRET connection - Configure nginx to serve admin-ui/ statically at /admin-ui/ location - No separate server process needed, UI uses WebSocket to connect - OBSERVE_SECRET provides auth layer, no nginx auth required Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Agent
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61
admin-ui/README.md
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61
admin-ui/README.md
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# Admin UI
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A web-based dashboard for monitoring the MCP Hub in real-time.
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## Setup
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### 1. Get Your OBSERVE_SECRET
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The `OBSERVE_SECRET` is stored in `/workspace/.env` on the hub server. Extract it:
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```bash
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# On the hub server:
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grep OBSERVE_SECRET /workspace/.env
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```
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Copy the secret value (it's a long hex string).
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### 2. Open the UI
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#### Option A: Via https (production)
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```
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https://mcp.arik.work/admin-ui/
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```
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#### Option B: Local development with file:// (offline)
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```bash
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# Simply open the file in your browser:
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file:///workspace/admin-ui/index.html
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```
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#### Option C: Local development with HTTP server
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```bash
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cd /workspace/admin-ui
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python3 -m http.server 8080
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# Then open http://localhost:8080
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```
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### 3. Connect to the Hub
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In the UI, enter:
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- **Hub URL**: `wss://mcp.arik.work/ws/observe` (production) or `ws://localhost:3000/ws/observe` (local dev)
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- **OBSERVE_SECRET**: Paste the value from step 1
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The status light will turn **green** when connected.
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### 4. Monitor
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- **Backends**: View connected MCP backends
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- **Logs**: Real-time event stream from the hub
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- **Status**: Connection indicator at the top
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## Adding More Backends
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To connect additional backends to the hub, edit `/workspace/.env` on the hub server:
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```env
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OBSERVE_SECRET=...
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# Add new backends via environment config or the hub's register endpoint
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```
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Then restart the hub to pick up new backends.
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788
admin-ui/index.html
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788
admin-ui/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>MCP Hub Admin</title>
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<script crossorigin src="https://unpkg.com/react@18/umd/react.production.min.js"></script>
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<script crossorigin src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"></script>
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<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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background-color: #0d1117;
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color: #e6edf3;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
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overflow: hidden;
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}
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#root {
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width: 100%;
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height: 100vh;
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display: flex;
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flex-direction: column;
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}
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.app-container {
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display: flex;
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flex-direction: column;
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height: 100vh;
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background-color: #0d1117;
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}
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.status-bar {
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background-color: #161b22;
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border-bottom: 1px solid #30363d;
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padding: 12px 20px;
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display: flex;
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align-items: center;
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gap: 20px;
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font-size: 13px;
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flex-shrink: 0;
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}
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.status-indicator {
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.status-dot {
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width: 12px;
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height: 12px;
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border-radius: 50%;
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animation: pulse 2s infinite;
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}
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.status-dot.connected {
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background-color: #3fb950;
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}
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.status-dot.connecting {
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background-color: #d29922;
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}
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.status-dot.disconnected {
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background-color: #f85149;
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}
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@keyframes pulse {
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0%, 100% { opacity: 1; }
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50% { opacity: 0.5; }
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}
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.hub-url-input {
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background-color: #0d1117;
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border: 1px solid #30363d;
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color: #e6edf3;
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padding: 6px 12px;
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border-radius: 6px;
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font-size: 12px;
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width: 300px;
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}
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.secret-input {
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background-color: #0d1117;
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border: 1px solid #30363d;
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color: #e6edf3;
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padding: 6px 12px;
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border-radius: 6px;
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font-size: 12px;
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width: 200px;
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}
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.button {
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background-color: #1f6feb;
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color: white;
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border: none;
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padding: 6px 16px;
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border-radius: 6px;
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cursor: pointer;
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font-size: 12px;
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transition: background-color 0.2s;
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}
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.button:hover {
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background-color: #388bfd;
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}
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.button.secondary {
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background-color: #21262d;
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color: #e6edf3;
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border: 1px solid #30363d;
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}
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.button.secondary:hover {
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background-color: #30363d;
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}
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.content-panels {
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display: flex;
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flex-direction: column;
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flex: 1;
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overflow: hidden;
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gap: 10px;
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padding: 10px;
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background-color: #0d1117;
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}
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.panel {
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background-color: #161b22;
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border: 1px solid #30363d;
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border-radius: 8px;
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display: flex;
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flex-direction: column;
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overflow: hidden;
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}
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.panel-header {
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background-color: #0d1117;
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border-bottom: 1px solid #30363d;
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padding: 12px 16px;
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font-size: 14px;
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font-weight: 600;
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display: flex;
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align-items: center;
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justify-content: space-between;
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flex-shrink: 0;
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}
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.panel-body {
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overflow: auto;
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flex: 1;
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padding: 12px;
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}
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.backends-grid {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
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gap: 12px;
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}
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.backend-card {
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background-color: #0d1117;
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border: 1px solid #30363d;
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border-radius: 6px;
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padding: 12px;
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display: flex;
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flex-direction: column;
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gap: 8px;
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transition: all 0.3s ease;
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}
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.backend-card.disconnected {
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opacity: 0.5;
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border-color: #f85149;
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}
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.backend-card-title {
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display: flex;
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align-items: center;
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gap: 8px;
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font-weight: 600;
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font-size: 14px;
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}
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.backend-status-dot {
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width: 10px;
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height: 10px;
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border-radius: 50%;
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}
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.backend-status-dot.connected {
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background-color: #3fb950;
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}
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.backend-status-dot.disconnected {
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background-color: #f85149;
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}
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.backend-info {
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font-size: 12px;
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color: #8b949e;
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display: flex;
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justify-content: space-between;
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}
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.backend-counter {
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display: flex;
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justify-content: space-between;
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font-size: 12px;
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margin-top: 4px;
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}
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.log-stream {
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display: flex;
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flex-direction: column;
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gap: 8px;
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height: 100%;
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}
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.log-controls {
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display: flex;
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gap: 8px;
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margin-bottom: 8px;
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flex-shrink: 0;
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}
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.log-filter {
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background-color: #0d1117;
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border: 1px solid #30363d;
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color: #e6edf3;
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padding: 6px 12px;
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border-radius: 6px;
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font-size: 12px;
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flex: 1;
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}
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.log-lines {
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overflow-y: auto;
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flex: 1;
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font-family: 'Courier New', monospace;
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font-size: 11px;
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}
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.log-line {
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padding: 4px 0;
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border-bottom: 1px solid #21262d;
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display: flex;
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gap: 12px;
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}
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.log-timestamp {
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color: #8b949e;
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min-width: 120px;
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white-space: nowrap;
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}
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.log-level {
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min-width: 60px;
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padding: 2px 6px;
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border-radius: 3px;
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font-weight: 600;
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text-align: center;
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}
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.log-level.info {
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background-color: #0d47a1;
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color: #79c0ff;
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}
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.log-level.warn {
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background-color: #663c00;
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color: #d29922;
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}
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.log-level.error {
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background-color: #490202;
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color: #f85149;
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}
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.log-message {
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flex: 1;
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white-space: pre-wrap;
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word-break: break-word;
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}
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.message-inspector {
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display: flex;
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flex-direction: column;
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gap: 8px;
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max-height: 300px;
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}
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.inspector-controls {
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display: flex;
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gap: 8px;
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margin-bottom: 8px;
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flex-shrink: 0;
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}
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.inspector-table {
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overflow-y: auto;
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font-family: 'Courier New', monospace;
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font-size: 11px;
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flex: 1;
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}
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.inspector-row {
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padding: 8px;
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border-bottom: 1px solid #21262d;
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cursor: pointer;
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transition: background-color 0.2s;
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display: flex;
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gap: 12px;
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}
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.inspector-row:hover {
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background-color: #21262d;
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}
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.inspector-row.expanded {
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background-color: #21262d;
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}
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.inspector-column {
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flex: 0 0 auto;
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color: #8b949e;
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}
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.inspector-direction {
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color: #79c0ff;
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}
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.inspector-method {
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flex: 1;
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color: #e6edf3;
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}
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.inspector-payload {
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margin-top: 8px;
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padding: 12px;
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background-color: #0d1117;
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border: 1px solid #30363d;
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border-radius: 6px;
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font-family: 'Courier New', monospace;
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font-size: 11px;
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max-height: 300px;
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overflow-y: auto;
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white-space: pre-wrap;
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word-break: break-word;
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}
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.toggle-button {
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background-color: #21262d;
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color: #e6edf3;
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border: 1px solid #30363d;
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padding: 6px 12px;
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border-radius: 6px;
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cursor: pointer;
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font-size: 12px;
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}
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.toggle-button:hover {
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background-color: #30363d;
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}
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.collapse-toggle {
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cursor: pointer;
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user-select: none;
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font-weight: 600;
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}
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.checkbox-group {
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display: flex;
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align-items: center;
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gap: 8px;
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}
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input[type="checkbox"] {
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cursor: pointer;
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}
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select {
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background-color: #0d1117;
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border: 1px solid #30363d;
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color: #e6edf3;
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padding: 6px 12px;
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border-radius: 6px;
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font-size: 12px;
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cursor: pointer;
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}
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</style>
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</head>
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<body>
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<div id="root"></div>
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<script type="text/babel">
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const { useState, useEffect, useRef, useCallback } = React;
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function McpHubAdmin() {
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const [connectionStatus, setConnectionStatus] = useState('disconnected');
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const [reconnectCount, setReconnectCount] = useState(0);
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const [lastEventTime, setLastEventTime] = useState(null);
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const [hubUrl, setHubUrl] = useState(() => localStorage.getItem('hubUrl') || 'wss://mcp.arik.work/ws/observe');
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const [secret, setSecret] = useState(() => localStorage.getItem('observeSecret') || '');
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const [showSettings, setShowSettings] = useState(!localStorage.getItem('observeSecret'));
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const [backends, setBackends] = useState({});
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const [logs, setLogs] = useState([]);
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const [messages, setMessages] = useState([]);
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const [logFilter, setLogFilter] = useState('');
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const [autoScroll, setAutoScroll] = useState(true);
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const [inspectorCollapsed, setInspectorCollapsed] = useState(true);
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const [selectedMessage, setSelectedMessage] = useState(null);
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const [messageFilter, setMessageFilter] = useState('');
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const ws = useRef(null);
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const reconnectTimeout = useRef(null);
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const backoffMs = useRef(1000);
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const logsEndRef = useRef(null);
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const scrollToBottom = useCallback(() => {
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if (autoScroll && logsEndRef.current) {
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setTimeout(() => {
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logsEndRef.current?.scrollIntoView({ behavior: 'auto' });
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}, 0);
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}
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}, [autoScroll]);
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const addLog = useCallback((level, message, serviceId = 'system') => {
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setLogs(prevLogs => {
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const newLogs = [...prevLogs, {
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id: Math.random(),
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timestamp: new Date(),
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level,
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message,
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serviceId
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}];
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return newLogs.slice(-500);
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});
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setLastEventTime(new Date());
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}, []);
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const addMessage = useCallback((timestamp, serviceId, direction, method, payload) => {
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setMessages(prevMessages => {
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const newMessages = [...prevMessages, {
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id: Math.random(),
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timestamp,
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serviceId,
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direction,
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method,
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payload
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}];
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return newMessages.slice(-100);
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});
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}, []);
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const connect = useCallback(() => {
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if (!secret.trim()) {
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addLog('error', 'OBSERVE_SECRET not set');
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return;
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}
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setConnectionStatus('connecting');
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addLog('info', `Connecting to ${hubUrl}...`);
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try {
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ws.current = new WebSocket(hubUrl);
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ws.current.onopen = () => {
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setConnectionStatus('connected');
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backoffMs.current = 1000;
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setReconnectCount(0);
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addLog('info', 'Connected to hub');
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ws.current.send(JSON.stringify({
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type: 'observe',
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secret: secret.trim()
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}));
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addLog('info', 'Sent observe request');
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};
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|
||||
ws.current.onmessage = (event) => {
|
||||
try {
|
||||
const data = JSON.parse(event.data);
|
||||
setLastEventTime(new Date());
|
||||
|
||||
if (data.type === 'snapshot') {
|
||||
addLog('info', `Snapshot: ${Object.keys(data.backends || {}).length} backends`);
|
||||
setBackends(data.backends || {});
|
||||
Object.entries(data.backends || {}).forEach(([id, backend]) => {
|
||||
addMessage(new Date(), id, '←', 'snapshot', backend);
|
||||
});
|
||||
} else if (data.type === 'backend:connected') {
|
||||
const { id } = data;
|
||||
addLog('info', `Backend connected: ${id}`);
|
||||
setBackends(prev => ({
|
||||
...prev,
|
||||
[id]: {
|
||||
id,
|
||||
connected: true,
|
||||
connectedSince: new Date(),
|
||||
lastPing: new Date(),
|
||||
messagesIn: 0,
|
||||
messagesOut: 0
|
||||
}
|
||||
}));
|
||||
addMessage(new Date(), id, '→', 'connected', data);
|
||||
} else if (data.type === 'backend:disconnected') {
|
||||
const { id } = data;
|
||||
addLog('info', `Backend disconnected: ${id}`);
|
||||
setBackends(prev => {
|
||||
const updated = { ...prev };
|
||||
if (updated[id]) {
|
||||
updated[id] = { ...updated[id], connected: false };
|
||||
setTimeout(() => {
|
||||
setBackends(p => {
|
||||
const { [id]: _, ...rest } = p;
|
||||
return rest;
|
||||
});
|
||||
}, 10000);
|
||||
}
|
||||
return updated;
|
||||
});
|
||||
addMessage(new Date(), id, '→', 'disconnected', data);
|
||||
} else if (data.type === 'message') {
|
||||
const { serviceId, direction, method } = data;
|
||||
addLog('info', `Message from ${serviceId}: ${method} (${direction})`);
|
||||
setBackends(prev => {
|
||||
const updated = { ...prev };
|
||||
if (updated[serviceId]) {
|
||||
updated[serviceId] = {
|
||||
...updated[serviceId],
|
||||
[direction === 'in' ? 'messagesIn' : 'messagesOut']:
|
||||
(updated[serviceId][direction === 'in' ? 'messagesIn' : 'messagesOut'] || 0) + 1,
|
||||
lastPing: new Date()
|
||||
};
|
||||
}
|
||||
return updated;
|
||||
});
|
||||
addMessage(new Date(), serviceId, direction === 'in' ? '←' : '→', method, data.payload);
|
||||
} else if (data.type === 'log') {
|
||||
addLog(data.level || 'info', data.message, data.serviceId);
|
||||
}
|
||||
} catch (err) {
|
||||
addLog('error', `Failed to parse message: ${err.message}`);
|
||||
}
|
||||
};
|
||||
|
||||
ws.current.onerror = (error) => {
|
||||
addLog('error', `WebSocket error: ${error.type}`);
|
||||
setConnectionStatus('disconnected');
|
||||
};
|
||||
|
||||
ws.current.onclose = () => {
|
||||
setConnectionStatus('disconnected');
|
||||
addLog('warn', `Disconnected. Reconnecting in ${backoffMs.current}ms...`);
|
||||
reconnectTimeout.current = setTimeout(() => {
|
||||
setReconnectCount(prev => prev + 1);
|
||||
backoffMs.current = Math.min(backoffMs.current * 1.5, 30000);
|
||||
connect();
|
||||
}, backoffMs.current);
|
||||
};
|
||||
} catch (err) {
|
||||
addLog('error', `Connection failed: ${err.message}`);
|
||||
setConnectionStatus('disconnected');
|
||||
}
|
||||
}, [hubUrl, secret, addLog, addMessage]);
|
||||
|
||||
const handleSaveSettings = () => {
|
||||
localStorage.setItem('hubUrl', hubUrl);
|
||||
localStorage.setItem('observeSecret', secret);
|
||||
setShowSettings(false);
|
||||
connect();
|
||||
};
|
||||
|
||||
const handleClearLogs = () => {
|
||||
setLogs([]);
|
||||
};
|
||||
|
||||
useEffect(() => {
|
||||
scrollToBottom();
|
||||
}, [logs, scrollToBottom]);
|
||||
|
||||
useEffect(() => {
|
||||
if (!showSettings && secret.trim()) {
|
||||
connect();
|
||||
}
|
||||
return () => {
|
||||
if (reconnectTimeout.current) clearTimeout(reconnectTimeout.current);
|
||||
if (ws.current) ws.current.close();
|
||||
};
|
||||
}, []);
|
||||
|
||||
const filteredLogs = logs.filter(log => {
|
||||
if (!logFilter) return true;
|
||||
return log.message.toLowerCase().includes(logFilter.toLowerCase()) ||
|
||||
log.serviceId.toLowerCase().includes(logFilter.toLowerCase());
|
||||
});
|
||||
|
||||
const filteredMessages = messages.filter(msg => {
|
||||
if (!messageFilter) return true;
|
||||
return msg.serviceId === messageFilter;
|
||||
});
|
||||
|
||||
const serviceIds = [...new Set(messages.map(m => m.serviceId))];
|
||||
|
||||
return (
|
||||
<div className="app-container">
|
||||
{/* Status Bar */}
|
||||
<div className="status-bar">
|
||||
<div className="status-indicator">
|
||||
<div className={`status-dot ${connectionStatus}`}></div>
|
||||
<span>{connectionStatus.toUpperCase()}</span>
|
||||
</div>
|
||||
<span>Reconnects: {reconnectCount}</span>
|
||||
<span>Last Event: {lastEventTime ? lastEventTime.toLocaleTimeString() : 'Never'}</span>
|
||||
<div style={{ marginLeft: 'auto', display: 'flex', gap: '8px' }}>
|
||||
{showSettings && (
|
||||
<>
|
||||
<input
|
||||
type="text"
|
||||
className="hub-url-input"
|
||||
placeholder="Hub WebSocket URL"
|
||||
value={hubUrl}
|
||||
onChange={(e) => setHubUrl(e.target.value)}
|
||||
/>
|
||||
<input
|
||||
type="password"
|
||||
className="secret-input"
|
||||
placeholder="OBSERVE_SECRET"
|
||||
value={secret}
|
||||
onChange={(e) => setSecret(e.target.value)}
|
||||
/>
|
||||
<button className="button" onClick={handleSaveSettings}>Connect</button>
|
||||
</>
|
||||
)}
|
||||
<button className="button secondary" onClick={() => setShowSettings(!showSettings)}>
|
||||
{showSettings ? 'Cancel' : 'Settings'}
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Content Panels */}
|
||||
<div className="content-panels">
|
||||
{/* Backends Panel */}
|
||||
<div className="panel" style={{ flex: '1 1 30%', minHeight: '150px' }}>
|
||||
<div className="panel-header">
|
||||
Connected Backends ({Object.keys(backends).length})
|
||||
</div>
|
||||
<div className="panel-body">
|
||||
<div className="backends-grid">
|
||||
{Object.entries(backends).map(([id, backend]) => (
|
||||
<div key={id} className={`backend-card ${backend.connected ? '' : 'disconnected'}`}>
|
||||
<div className="backend-card-title">
|
||||
<div className={`backend-status-dot ${backend.connected ? 'connected' : 'disconnected'}`}></div>
|
||||
<span>{id}</span>
|
||||
</div>
|
||||
<div className="backend-info">
|
||||
<span>Connected Since:</span>
|
||||
<span>
|
||||
{backend.connectedSince ?
|
||||
((new Date() - backend.connectedSince) / 1000).toFixed(0) + 's' : 'N/A'}
|
||||
</span>
|
||||
</div>
|
||||
<div className="backend-info">
|
||||
<span>Last Ping:</span>
|
||||
<span>
|
||||
{backend.lastPing ?
|
||||
((new Date() - backend.lastPing) / 1000).toFixed(0) + 's ago' : 'N/A'}
|
||||
</span>
|
||||
</div>
|
||||
<div className="backend-counter">
|
||||
<span>↓ In: {backend.messagesIn || 0}</span>
|
||||
<span>↑ Out: {backend.messagesOut || 0}</span>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Log Stream Panel */}
|
||||
<div className="panel" style={{ flex: '1 1 40%', minHeight: '200px' }}>
|
||||
<div className="panel-header">
|
||||
Log Stream ({filteredLogs.length})
|
||||
</div>
|
||||
<div className="panel-body">
|
||||
<div className="log-stream">
|
||||
<div className="log-controls">
|
||||
<input
|
||||
type="text"
|
||||
className="log-filter"
|
||||
placeholder="Filter logs..."
|
||||
value={logFilter}
|
||||
onChange={(e) => setLogFilter(e.target.value)}
|
||||
/>
|
||||
<div className="checkbox-group">
|
||||
<input
|
||||
type="checkbox"
|
||||
id="autoScroll"
|
||||
checked={autoScroll}
|
||||
onChange={(e) => setAutoScroll(e.target.checked)}
|
||||
/>
|
||||
<label htmlFor="autoScroll">Auto-scroll</label>
|
||||
</div>
|
||||
<button className="button secondary" onClick={handleClearLogs}>Clear</button>
|
||||
</div>
|
||||
<div className="log-lines">
|
||||
{filteredLogs.map(log => (
|
||||
<div key={log.id} className="log-line">
|
||||
<span className="log-timestamp">
|
||||
{log.timestamp.toLocaleTimeString()}
|
||||
</span>
|
||||
<span className={`log-level ${log.level}`}>
|
||||
{log.level.toUpperCase()}
|
||||
</span>
|
||||
<span className="log-message">{log.message}</span>
|
||||
</div>
|
||||
))}
|
||||
<div ref={logsEndRef} />
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Message Inspector Panel */}
|
||||
<div className="panel" style={{ flex: inspectorCollapsed ? '0 0 auto' : '1 1 30%', minHeight: inspectorCollapsed ? '40px' : '150px' }}>
|
||||
<div className="panel-header" onClick={() => setInspectorCollapsed(!inspectorCollapsed)}>
|
||||
<span className="collapse-toggle">
|
||||
{inspectorCollapsed ? '▶' : '▼'} Message Inspector ({filteredMessages.length})
|
||||
</span>
|
||||
</div>
|
||||
{!inspectorCollapsed && (
|
||||
<div className="panel-body">
|
||||
<div className="message-inspector">
|
||||
<div className="inspector-controls">
|
||||
<select
|
||||
value={messageFilter}
|
||||
onChange={(e) => setMessageFilter(e.target.value)}
|
||||
>
|
||||
<option value="">All Services</option>
|
||||
{serviceIds.map(id => (
|
||||
<option key={id} value={id}>{id}</option>
|
||||
))}
|
||||
</select>
|
||||
</div>
|
||||
<div className="inspector-table">
|
||||
{filteredMessages.map(msg => (
|
||||
<div key={msg.id}>
|
||||
<div
|
||||
className={`inspector-row ${selectedMessage === msg.id ? 'expanded' : ''}`}
|
||||
onClick={() => setSelectedMessage(selectedMessage === msg.id ? null : msg.id)}
|
||||
>
|
||||
<span className="inspector-column">
|
||||
{msg.timestamp.toLocaleTimeString()}
|
||||
</span>
|
||||
<span className="inspector-column">{msg.serviceId}</span>
|
||||
<span className="inspector-direction">{msg.direction}</span>
|
||||
<span className="inspector-method">{msg.method}</span>
|
||||
</div>
|
||||
{selectedMessage === msg.id && (
|
||||
<div className="inspector-payload">
|
||||
{JSON.stringify(msg.payload, null, 2)}
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
const root = ReactDOM.createRoot(document.getElementById('root'));
|
||||
root.render(<McpHubAdmin />);
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Add table
Add a link
Reference in a new issue