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/nodes/search/route.ts

@@ -0,0 +1,49 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { nodeService } from '@/services/database';
+
+export const runtime = 'nodejs';
+
+export async function GET(request: NextRequest) {
+  try {
+    const searchParams = request.nextUrl.searchParams;
+    const query = searchParams.get('q');
+    const limit = parseInt(searchParams.get('limit') || '10');
+    
+    if (!query || query.trim() === '') {
+      return NextResponse.json({
+        success: false,
+        error: 'Missing required parameter: q (search query)'
+      }, { status: 400 });
+    }
+
+    if (query.length < 2) {
+      return NextResponse.json({
+        success: false,
+        error: 'Search query must be at least 2 characters long'
+      }, { status: 400 });
+    }
+
+    const nodes = await nodeService.searchNodes(query.trim(), Math.min(limit, 50));
+    
+    // Return minimal data for edge creation UI
+    const results = nodes.map(node => ({
+      id: node.id,
+      title: node.title,
+      dimensions: node.dimensions
+    }));
+    
+    return NextResponse.json({
+      success: true,
+      data: results,
+      count: results.length,
+      query: query.trim()
+    });
+  } catch (error) {
+    console.error('Error searching nodes:', error);
+    
+    return NextResponse.json({
+      success: false,
+      error: error instanceof Error ? error.message : 'Failed to search nodes'
+    }, { status: 500 });
+  }
+}