Miro

SAID: Spec-driven Framework for AI-native Design

The article argues that traditional sequential design handoffs are being replaced by AI-native, continuous workflows centered on spec-driven development. It introduces the SAID framework (Specify intent, Agentic delegation, Iterative Description, Discernment & Diligence) and highlights Anthropic’s 4D AI Fluency model (Delegation, Description, Discernment, Diligence). The piece describes how Git and spec-driven practices (Agentic SDD/SDD) are turning specs into a shared workspace that guides prototypes and production, and it outlines team archetypes and lifecycle loops (Loop A: Proposition→Prototype; Loop B: Prototype→Product). The article emphasizes designers must learn to express intent in machine- and human-readable specs rather than rely solely on visual mockups.

Frontend System Design for Realtime Collaborative Whiteboard

A frontend-focused system-design deep dive that walks through building a realtime collaborative whiteboard (similar to Figma or Miro). The article defines functional and non-functional requirements, proposes a stateful collaboration server with sticky sessions, and advocates CRDTs (per-property LWW registers with Lamport timestamps and authorId tiebreaks) over OT for spatial/vector data. It specifies shape and session data models, a compact ShapeDelta WebSocket protocol for deltas, and a three-layer state model (ephemeral, committed, persisted). Frontend guidance covers an imperative canvas render loop (separating React for UI shell), viewport coord transforms, hit-testing, undo/redo via Command pattern, performance budgets (<8ms render work), and backend persistence patterns (operation log, shapes table, object store). The piece closes with edge cases and failure-mode recommendations (throttling, batching, uploads via object store, reconnection catch-up).

Cheapest Ways to Self-Host Excalidraw in 2026

This guide ranks practical options for self-hosting Excalidraw in 2026, comparing managed and self-managed approaches by monthly cost, setup complexity, and whether real-time collaboration is required. Options range from free (Oracle Cloud always‑free tier) to low‑cost managed hosts (PikaPods ~$1–2/mo metered, InstaPods $3/mo flat) and self-managed VPS routes (Hetzner VPS + Docker ~$4–5/mo). The author emphasizes the key trade-off: the static editor (editor-only) requires almost no server, while live collaboration needs the excalidraw-room WebSocket/Node server and optional storage for persisted scenes. The guide recommends InstaPods as the managed sweet spot for most teams (one‑click deploy, SSH, flat pricing), PikaPods for lowest floor price, and a Hetzner VPS for full control. It highlights how self-hosting can eliminate per-user SaaS fees (Excalidraw+ ~$7/user/mo, Miro ~$8/user/mo) and typically pays back for teams of three or more.