feat(local-llm): add Mission Control dashboard v1

Next.js 16 dashboard for monitoring and managing the local LLM stack.
Runs on port 3100 with dark theme using ByteLyst design tokens.

API routes:
- GET/POST /api/ollama — model list, running status, load/unload/generate
- GET /api/whisper — binary discovery, GGML model inventory
- GET /api/system — chip info, RAM/disk usage, brew package versions

Dashboard UI:
- Top stats row: Ollama status, model count, Whisper status, RAM usage
- Ollama models panel with load/unload actions, LOADED badge, details
- System panel with progress bars for RAM and disk
- Whisper.cpp panel with binary list and model inventory
- Brew packages panel with version tracking
- Basic prompt modal with Cmd+Enter shortcut
- Auto-refresh every 15 seconds

Also excludes __LOCAL_LLMs/ from root ESLint config (dashboard has its
own config and uses browser globals not available in Node.js context).

Tech: Next.js 16, React 19, TailwindCSS v4, Lucide icons, TypeScript
This commit is contained in:
saravanakumardb1 2026-02-19 13:02:48 -08:00
parent 0c4210f5ff
commit 2565714c52
21 changed files with 8247 additions and 0 deletions

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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.*
.yarn/*
!.yarn/patches
!.yarn/plugins
!.yarn/releases
!.yarn/versions
# testing
/coverage
# next.js
/.next/
/out/
# production
/build
# misc
.DS_Store
*.pem
# debug
npm-debug.log*
yarn-debug.log*
yarn-error.log*
.pnpm-debug.log*
# env files (can opt-in for committing if needed)
.env*
# vercel
.vercel
# typescript
*.tsbuildinfo
next-env.d.ts

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This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app).
## Getting Started
First, run the development server:
```bash
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
```
Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel.
## Learn More
To learn more about Next.js, take a look at the following resources:
- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
## Deploy on Vercel
The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.

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import { defineConfig, globalIgnores } from "eslint/config";
import nextVitals from "eslint-config-next/core-web-vitals";
import nextTs from "eslint-config-next/typescript";
const eslintConfig = defineConfig([
...nextVitals,
...nextTs,
// Override default ignores of eslint-config-next.
globalIgnores([
// Default ignores of eslint-config-next:
".next/**",
"out/**",
"build/**",
"next-env.d.ts",
]),
]);
export default eslintConfig;

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import type { NextConfig } from 'next';
const nextConfig: NextConfig = {
/* config options here */
};
export default nextConfig;

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{
"name": "dashboard",
"version": "0.1.0",
"private": true,
"scripts": {
"dev": "next dev",
"build": "next build",
"start": "next start",
"lint": "eslint"
},
"dependencies": {
"lucide-react": "^0.575.0",
"next": "16.1.6",
"react": "19.2.3",
"react-dom": "19.2.3"
},
"devDependencies": {
"@tailwindcss/postcss": "^4",
"@types/node": "^20",
"@types/react": "^19",
"@types/react-dom": "^19",
"eslint": "^9",
"eslint-config-next": "16.1.6",
"tailwindcss": "^4",
"typescript": "^5"
}
}

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const config = {
plugins: {
"@tailwindcss/postcss": {},
},
};
export default config;

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import { NextResponse } from 'next/server';
const OLLAMA_URL = process.env.OLLAMA_URL || 'http://localhost:11434';
async function fetchOllama(path: string, options?: RequestInit) {
const res = await fetch(`${OLLAMA_URL}${path}`, {
...options,
headers: { 'Content-Type': 'application/json', ...options?.headers },
});
if (!res.ok) throw new Error(`Ollama ${path}: ${res.status}`);
return res.json();
}
export async function GET() {
try {
const [modelsRes, psRes] = await Promise.allSettled([
fetchOllama('/api/tags'),
fetchOllama('/api/ps'),
]);
const models = modelsRes.status === 'fulfilled' ? (modelsRes.value.models ?? []) : [];
const running = psRes.status === 'fulfilled' ? (psRes.value.models ?? []) : [];
const totalSize = models.reduce((acc: number, m: { size: number }) => acc + (m.size || 0), 0);
return NextResponse.json({
status: 'online',
url: OLLAMA_URL,
models,
running,
totalModels: models.length,
totalSize,
runningCount: running.length,
});
} catch {
return NextResponse.json({
status: 'offline',
url: OLLAMA_URL,
models: [],
running: [],
totalModels: 0,
totalSize: 0,
runningCount: 0,
});
}
}
export async function POST(request: Request) {
try {
const body = await request.json();
const { action, model } = body;
if (action === 'load') {
await fetchOllama('/api/generate', {
method: 'POST',
body: JSON.stringify({ model, prompt: '', keep_alive: '10m' }),
});
return NextResponse.json({ success: true, message: `Loaded ${model}` });
}
if (action === 'unload') {
await fetchOllama('/api/generate', {
method: 'POST',
body: JSON.stringify({ model, prompt: '', keep_alive: '0' }),
});
return NextResponse.json({ success: true, message: `Unloaded ${model}` });
}
if (action === 'generate') {
const res = await fetch(`${OLLAMA_URL}/api/generate`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ model, prompt: body.prompt, stream: false }),
});
const data = await res.json();
return NextResponse.json({
success: true,
response: data.response,
eval_count: data.eval_count,
eval_duration: data.eval_duration,
});
}
if (action === 'pull') {
const res = await fetch(`${OLLAMA_URL}/api/pull`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name: model, stream: false }),
});
if (!res.ok) throw new Error(`Pull failed: ${res.status}`);
return NextResponse.json({ success: true, message: `Pulled ${model}` });
}
if (action === 'delete') {
const res = await fetch(`${OLLAMA_URL}/api/delete`, {
method: 'DELETE',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name: model }),
});
if (!res.ok) throw new Error(`Delete failed: ${res.status}`);
return NextResponse.json({ success: true, message: `Deleted ${model}` });
}
if (action === 'show') {
const data = await fetchOllama('/api/show', {
method: 'POST',
body: JSON.stringify({ name: model }),
});
return NextResponse.json({ success: true, ...data });
}
return NextResponse.json({ error: 'Unknown action' }, { status: 400 });
} catch (err) {
return NextResponse.json({ error: String(err) }, { status: 500 });
}
}

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import { NextResponse } from 'next/server';
import { exec } from 'child_process';
import { promisify } from 'util';
import os from 'os';
const execAsync = promisify(exec);
// Cache slow commands (chip, gpu, brew don't change during a session)
let staticCache: {
chip: string;
gpu: string;
brewPackages: Array<{ name: string; version: string }>;
} | null = null;
async function getChipInfo(): Promise<string> {
try {
const { stdout } = await execAsync(
"sysctl -n machdep.cpu.brand_string 2>/dev/null || echo 'Unknown'"
);
return stdout.trim();
} catch {
return 'Unknown';
}
}
async function getDiskSpace(): Promise<{ total: number; used: number; free: number }> {
try {
const { stdout } = await execAsync("df -k / | tail -1 | awk '{print $2, $3, $4}'");
const [total, used, free] = stdout
.trim()
.split(' ')
.map(n => parseInt(n) * 1024);
return { total, used, free };
} catch {
return { total: 0, used: 0, free: 0 };
}
}
async function getOllamaModelsDiskUsage(): Promise<number> {
try {
const { stdout } = await execAsync("du -sk ~/.ollama/models 2>/dev/null | awk '{print $1}'", {
timeout: 5000,
});
return parseInt(stdout.trim()) * 1024 || 0;
} catch {
return 0;
}
}
async function getGpuInfo(): Promise<string> {
try {
const { stdout } = await execAsync(
"system_profiler SPDisplaysDataType 2>/dev/null | grep 'Chipset Model' | sed 's/.*: //'",
{ timeout: 5000 }
);
return stdout.trim() || 'Apple Silicon (integrated)';
} catch {
return 'Apple Silicon (integrated)';
}
}
async function getBrewPackages(): Promise<Array<{ name: string; version: string }>> {
const targets = ['ollama', 'whisper-cpp', 'ffmpeg'];
const results: Array<{ name: string; version: string }> = [];
for (const pkg of targets) {
try {
const { stdout } = await execAsync(`brew list --versions ${pkg} 2>/dev/null`, {
timeout: 3000,
});
const parts = stdout.trim().split(' ');
if (parts.length >= 2) {
results.push({ name: parts[0], version: parts.slice(1).join(' ') });
}
} catch {
// not installed
}
}
return results;
}
async function getStaticInfo() {
if (staticCache) return staticCache;
const [chip, gpu, brewPackages] = await Promise.all([
getChipInfo(),
getGpuInfo(),
getBrewPackages(),
]);
staticCache = { chip, gpu, brewPackages };
return staticCache;
}
export async function GET() {
const [staticInfo, disk, ollamaDisk] = await Promise.all([
getStaticInfo(),
getDiskSpace(),
getOllamaModelsDiskUsage(),
]);
const totalMem = os.totalmem();
const freeMem = os.freemem();
const usedMem = totalMem - freeMem;
const cpuCount = os.cpus().length;
const uptime = os.uptime();
return NextResponse.json({
chip: staticInfo.chip,
gpu: staticInfo.gpu,
memory: { total: totalMem, used: usedMem, free: freeMem },
disk,
ollamaDiskUsage: ollamaDisk,
cpuCores: cpuCount,
uptime,
platform: `${os.type()} ${os.release()}`,
arch: os.arch(),
nodeVersion: process.version,
brewPackages: staticInfo.brewPackages,
});
}

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import { NextResponse } from 'next/server';
import { exec } from 'child_process';
import { promisify } from 'util';
import { readdir, stat } from 'fs/promises';
import { join } from 'path';
import { homedir } from 'os';
const execAsync = promisify(exec);
async function getWhisperBinaries(): Promise<string[]> {
try {
const { stdout } = await execAsync('ls /opt/homebrew/bin/whisper-* 2>/dev/null');
return stdout
.trim()
.split('\n')
.filter(Boolean)
.map(p => p.split('/').pop() || p);
} catch {
return [];
}
}
async function getWhisperModels(): Promise<Array<{ name: string; size: number; path: string }>> {
const modelsDir = join(homedir(), 'whisper-models');
try {
const files = await readdir(modelsDir);
const models = await Promise.all(
files
.filter(f => f.endsWith('.bin'))
.map(async f => {
const filePath = join(modelsDir, f);
const s = await stat(filePath);
return { name: f.replace('ggml-', '').replace('.bin', ''), size: s.size, path: filePath };
})
);
return models;
} catch {
return [];
}
}
async function getWhisperVersion(): Promise<string> {
try {
const { stdout } = await execAsync('whisper-cli --version 2>&1 || echo "unknown"');
return stdout.trim();
} catch {
return 'unknown';
}
}
export async function GET() {
const [binaries, models, version] = await Promise.all([
getWhisperBinaries(),
getWhisperModels(),
getWhisperVersion(),
]);
return NextResponse.json({
installed: binaries.length > 0,
version,
binaries,
models,
modelsDir: join(homedir(), 'whisper-models'),
});
}

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@import "tailwindcss";
:root {
--bg-canvas: #06070A;
--bg-elevated: #0E1118;
--surface-card: #121725;
--surface-muted: #1A2335;
--border-subtle: #1E293B;
--border-default: #2A3654;
--text-primary: #EFF4FF;
--text-secondary: #A5B1C7;
--text-tertiary: #6C7C98;
--accent-primary: #5A8CFF;
--accent-secondary: #2EE6D6;
--success: #34D399;
--warning: #F59E0B;
--danger: #FF6E6E;
--purple: #A78BFA;
}
@theme inline {
--color-background: var(--bg-canvas);
--color-foreground: var(--text-primary);
--font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
--font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', ui-monospace, monospace;
}
body {
background: var(--bg-canvas);
color: var(--text-primary);
font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
/* Status dot pulse animation */
@keyframes pulse-dot {
0%, 100% { opacity: 1; transform: scale(1); }
50% { opacity: 0.6; transform: scale(1.3); }
}
.pulse-dot {
animation: pulse-dot 2s ease-in-out infinite;
}
/* Card hover */
.card {
background: var(--surface-card);
border: 1px solid var(--border-subtle);
border-radius: 12px;
transition: border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
border-color: var(--border-default);
box-shadow: 0 0 20px rgba(90, 140, 255, 0.05);
}
/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-canvas); }
::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }
/* Progress bar */
.progress-bar {
background: var(--surface-muted);
border-radius: 4px;
overflow: hidden;
}
.progress-fill {
height: 100%;
border-radius: 4px;
transition: width 0.5s ease;
}
/* Toast slide-in animation */
@keyframes slide-in-right {
from { transform: translateX(100%); opacity: 0; }
to { transform: translateX(0); opacity: 1; }
}
.animate-in {
animation: slide-in-right 0.3s ease-out;
}
/* Focus ring */
*:focus-visible {
outline: 2px solid var(--accent-primary);
outline-offset: 2px;
}

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import type { Metadata } from 'next';
import './globals.css';
export const metadata: Metadata = {
title: 'Local LLM Mission Control',
description: 'Dashboard for managing local LLM models, Whisper, and system resources',
};
export default function RootLayout({
children,
}: Readonly<{
children: React.ReactNode;
}>) {
return (
<html lang="en" className="dark">
<body className="antialiased min-h-screen">{children}</body>
</html>
);
}

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{
"compilerOptions": {
"target": "ES2017",
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "react-jsx",
"incremental": true,
"plugins": [
{
"name": "next"
}
],
"paths": {
"@/*": ["./src/*"]
}
},
"include": [
"next-env.d.ts",
"**/*.ts",
"**/*.tsx",
".next/types/**/*.ts",
".next/dev/types/**/*.ts",
"**/*.mts"
],
"exclude": ["node_modules"]
}

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@ -11,6 +11,7 @@ export default [
'*.config.js',
'*.config.ts',
'**/dist/**',
'__LOCAL_LLMs/**',
],
},
js.configs.recommended,