Two stacked OpenSpec change proposals for a demoable social layer,
with scope deliberately minimal ("enough to send a URL and have it
open to real-looking content without signup"):
1. public-content-visibility
- Adds visibility enum {private, unlisted, public} on routes +
activities, defaulting to private for every existing row.
- Detail pages (/routes/:id, /activities/:id) become accessible to
logged-out visitors when content is public or unlisted; private
→ 404 (not 403) to avoid existence leaks.
- Broadens /users/:username into a public profile listing only
public routes + activities; 404s when there's no public content
to prevent account enumeration.
- Open Graph / Twitter Card meta on public detail + profile pages.
- Visibility selector in the owner's edit flow.
- Out of scope: follow/follower, cross-user feed, reactions,
federation.
2. demo-activity-bot (depends on #1)
- A single bot user, Bruno the trail dog, seeded on worker startup
when DEMO_BOT_ENABLED=true. Reserved username, sentinel email,
no credentials.
- pg-boss recurring job fires every 90 min, decides-to-walk with
p=0.12 during 07:00-21:00 local, yielding ~2-3 walks/day at
organic times.
- Each walk: random start + end within inner-Berlin bbox, trekking
only (dogs don't ride bikes), 2-12 km crow. BRouter plans the
route; the route GPX is also attached as the activity's trace.
- Everything inserted with visibility=public, synthetic=true.
- Daily prune deletes synthetic rows > DEMO_BOT_RETENTION_DAYS old
(default 14). Hard cap of 40 items/14d protects against runaway
growth.
- Small "🐕 demo account" badge on /users/bruno for honesty.
Both changes are artifacts only — no code lands with this PR. Apply
in order after merge: public-content-visibility first, then
demo-activity-bot.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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| .claude | ||
| .github | ||
| apps | ||
| docker/brouter | ||
| docs | ||
| e2e | ||
| infrastructure | ||
| openspec | ||
| packages | ||
| scripts | ||
| .gitignore | ||
| .gitleaks.toml | ||
| .mcp.json | ||
| .prettierrc | ||
| .sops.yaml | ||
| CLAUDE.md | ||
| docker-compose.dev.yml | ||
| eslint.config.js | ||
| LICENSE | ||
| package.json | ||
| playwright.config.ts | ||
| pnpm-lock.yaml | ||
| pnpm-workspace.yaml | ||
| README.md | ||
| SECURITY.md | ||
| tsconfig.base.json | ||
| turbo.json | ||
| vitest.config.ts | ||
| vitest.setup.ts | ||
| vitest.shared.ts | ||
trails.cool
Collaborative route planning and federated activity sharing for outdoor enthusiasts.
Planner — Plan routes together in real-time. Share a link, invite friends, edit waypoints collaboratively. Powered by BRouter for intelligent routing with elevation awareness.
Journal — Track your adventures. Import activities from Garmin, Strava, or Wahoo. Share routes and rides with friends. Self-host your own instance and federate with others via ActivityPub.
Status
Early development. See the architecture plan and project philosophy.
Project Structure
This is a TypeScript monorepo using pnpm workspaces and Turborepo.
apps/
planner/ Collaborative route editor (React Router 7 + Yjs + Leaflet)
journal/ Activity social platform (React Router 7 + Fedify + PostGIS)
packages/
types/ Shared TypeScript interfaces
ui/ Shared React components (Tailwind)
map/ Leaflet map wrappers
gpx/ GPX parsing and generation
i18n/ Internationalization (English + German)
Getting Started
Prerequisites: Node.js 20+, pnpm, Docker
# Clone
git clone https://github.com/trails-cool/trails.git
cd trails
# Install dependencies
pnpm install
# Start development (apps only, no database or routing)
pnpm dev
# Start full stack (PostgreSQL + BRouter + apps)
pnpm dev:full
Full Local Dev Setup
pnpm dev:full starts everything needed to test the Planner end-to-end:
- PostgreSQL + PostGIS on port 5432 (via Docker)
- BRouter routing engine on port 17777 (via Docker)
- Database schema pushed automatically via Drizzle
- BRouter segment downloaded for Berlin area (~124MB, cached)
- Journal on http://localhost:3000
- Planner on http://localhost:3001
Other useful commands:
pnpm dev:services # Start Docker services only (DB + BRouter)
pnpm db:push # Push database schema changes
pnpm db:studio # Open Drizzle Studio (DB browser)
Development Tools
This project uses AI-assisted, spec-driven development. See docs/tooling.md for details.
| Tool | Purpose |
|---|---|
| cmux | Native macOS terminal for running multiple AI coding sessions |
| Claude Code | AI coding assistant (primary development tool) |
| GitHub Copilot | AI coding assistant |
| Crit | Browser-based inline code review |
| OpenSpec | Spec-driven development workflow |
Self-Hosting
The Journal is designed to be self-hosted. A single Docker Compose file gets you running:
curl -O https://raw.githubusercontent.com/trails-cool/trails/main/infrastructure/docker-compose.yml
docker compose up -d
See docs/architecture.md for details on self-hosting configuration.
Philosophy
- Privacy by design — The Planner collects zero user data
- Data ownership — Export everything, self-host, no lock-in
- Open source — MIT licensed, built on open standards
- Simplicity — Start simple, add complexity only when needed
Read more: docs/philosophy.md
Contributing
Human contributions are welcome! This project is built with AI-assisted development (Claude Code + OpenSpec), but we value human judgment, design taste, and community input.
License
MIT