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

scripts/tmp-init-vec.js

@@ -0,0 +1,20 @@
+const Database = require('better-sqlite3');
+const path = require('path');
+
+const dbPath = process.argv[2];
+if (!dbPath) { 
+  console.error('Usage: node tmp-init-vec.js <dbPath>'); 
+  process.exit(1); 
+}
+
+const db = new Database(dbPath);
+const vecPath = path.join(process.cwd(), 'vendor', 'sqlite-extensions', 'vec0.dylib');
+
+db.loadExtension(vecPath);
+db.exec(`
+  CREATE VIRTUAL TABLE IF NOT EXISTS vec_nodes USING vec0(node_id INTEGER PRIMARY KEY, embedding FLOAT[1536]);
+  CREATE VIRTUAL TABLE IF NOT EXISTS vec_chunks USING vec0(chunk_id INTEGER PRIMARY KEY, embedding FLOAT[1536]);
+`);
+
+console.log('✓ vec tables ensured');
+db.close();