https://sohanmanju.com Writing about auth, infrastructure, AI tooling, and the craft of engineering. en-us Thu, 16 Apr 2026 22:56:58 GMT https://sohanmanju.com/writings/unified-auth-with-passkeys-across-multiple-apps https://sohanmanju.com/writings/unified-auth-with-passkeys-across-multiple-apps How I built a centralized authentication service with passkeys that work across every subdomain. Mon, 30 Mar 2026 00:00:00 GMT https://sohanmanju.com/writings/a-knowledge-base-that-two-minds-share https://sohanmanju.com/writings/a-knowledge-base-that-two-minds-share How I wired Obsidian, a local semantic search engine, and Claude into a knowledge system that actually works. Wed, 18 Mar 2026 00:00:00 GMT