scot 9b09f14916 v0.1.0-alpha: interactive demo platform core

- Fastify API: demos/steps CRUD, content-addressed assets, scoped API keys
  (read/author/publish/admin, draft-only default per D4)
- Player: image + sandboxed DOM steps, hotspots, tooltips, keyboard nav,
  privacy-first beacons (no IP storage, viewer tokens only — R7)
- Editor: React SPA — demo list, drag-to-draw hotspots, annotations, publish
- MCP server: Streamable HTTP, scope-filtered tools, untrusted-data wrapping
  on viewer-supplied content (R8); platform never calls a model
- Capture extension (MV3): screenshot-flow recording, hotspots pre-placed
  from real clicks
- Docker: single app image + postgres, Traefik-ready (expose only)

E2E verified: capture->author->publish->play->beacon->lead->analytics + full
MCP tool surface with scope filtering.

2026-07-18 05:17:45 +00:00

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Demo Platform (working name)

Self-hosted, open-source interactive demo platform. One capture → interactive clickable demo, step-by-step guide, narrated video. MIT licensed, built and owned by DiligenceWorks Pte. Ltd.

Status: v0.1 — early alpha. Interactive demos (image steps) work end to end: capture with the browser extension → refine in the editor → publish → share/embed.

Why

The interactive-demo SaaS category (Arcade, Storylane, Navattic, Supademo) is closed-source and $500–1,200/mo, and your demos — unreleased UI, prospect analytics, lead data — live in someone else's cloud. This runs on your infrastructure. Nothing leaves it.

AI without a bundled model

The platform never calls an LLM. It ships an MCP server (POST /mcp, Streamable HTTP): attach your own agent — Claude, an IDE, your own runtime — with a scoped API key, and it can list demos, write annotations, place hotspots, reorder steps, read analytics, and (only with an explicitly granted publish scope) publish. Draft-only by default; the human decides who may publish. Viewer-supplied data (leads) is wrapped in untrusted-data markers.

Quick start

docker compose up -d --build
docker compose logs app | grep -A2 "FIRST RUN"   # your admin API key, shown once

Open /editor, paste the key. Create a demo, upload screenshots as steps (or install extension/ as an unpacked Chrome extension and record a real click-through — hotspots are pre-placed from your actual clicks), drag hotspots, write tooltips, publish. Share /p/<token>, embed with an <iframe>. Optional viewer identification: append ?v=<viewer-token> to the link you send.

Privacy defaults

No IP addresses stored. No fingerprinting. Viewer identity only via explicit share-link tokens. Lead deletion endpoint included.

API scopes

read · author · publish · admin — keys default to read,author.

Roadmap

DOM-fidelity capture (rrweb serialization, asset pipeline), step-guide export, narrated video render, desktop capture agent. See DESIGN docs in the DW KB.

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