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

src/utils/openExternalUrl.ts

@@ -0,0 +1,38 @@
+"use client";
+
+export async function openExternalUrl(url: string) {
+  if (typeof window === "undefined") return;
+
+  try {
+    const newWindow = window.open(url, "_blank", "noopener,noreferrer");
+    if (!newWindow) {
+      window.location.href = url;
+    }
+  } catch (error) {
+    console.error("[external] window.open failed", error);
+    window.location.href = url;
+  }
+}
+
+export function shouldOpenExternally(rawUrl: string) {
+  if (typeof window === "undefined") return false;
+
+  try {
+    const resolved = new URL(rawUrl, window.location.href);
+    if (!["http:", "https:"].includes(resolved.protocol)) {
+      return false;
+    }
+
+    const localhostHosts = new Set([
+      window.location.hostname,
+      "127.0.0.1",
+      "localhost",
+      "0.0.0.0",
+    ]);
+
+    return !localhostHosts.has(resolved.hostname);
+  } catch (error) {
+    console.error("[external] failed to parse url", rawUrl, error);
+    return false;
+  }
+}