Initial commit: RA-H Open Source Edition

Local-first knowledge management system with BYO API keys.

Features:
- 3-panel UI (Nodes | Focus | Helpers)
- SQLite + sqlite-vec for vector search
- Agent system (Easy/Hard mode orchestrators)
- Content extraction (YouTube, PDF, web)
- Integrate workflow for connection discovery
- Dimension system with auto-assignment

Tech stack:
- Next.js 15 + TypeScript + Tailwind CSS
- Anthropic (Claude) + OpenAI (GPT) via Vercel AI SDK

Setup:
  npm install && npm rebuild better-sqlite3
  scripts/dev/bootstrap-local.sh
  npm run dev

MIT License

app/api/health/db/route.ts

@@ -0,0 +1,20 @@
+import { NextResponse } from 'next/server';
+import { checkDatabaseHealth } from '@/services/database';
+
+export const runtime = 'nodejs';
+
+export async function GET() {
+  try {
+    const status = await checkDatabaseHealth();
+    return NextResponse.json({ success: true, ...status });
+  } catch (error) {
+    return NextResponse.json({
+      success: false,
+      connected: false,
+      vectorExtension: false,
+      tablesExist: false,
+      error: error instanceof Error ? error.message : 'Unknown error'
+    }, { status: 500 });
+  }
+}
+