HH-Lion Documentation Index
This folder contains current product, engineering, and operations documentation for hh-lion.
Use this index to choose the right document instead of relying on older point-in-time notes.
Start Here
| Need | Document |
|---|---|
| Understand the main product direction, roadmap, and AI-agent harness | HH-Lion Recommendation System PRD |
| Understand the service at a high level | Project Overview |
Understand hh-lion RecSys architecture and end-to-end flows | HH-Lion Project Onboarding |
| Set up local development | Installation Guide |
| Train and serve locally | Quickstart |
| Run the full local stack | Full Localhost Runbook |
| Review rollout-impacting changes | Migration Guide |
Product And Strategy
| Topic | Document |
|---|---|
| Main recommendation system PRD | HH-Lion Recommendation System PRD |
| Guest personalization PRD | Guest Personalization PRD |
| Member personalization PRD | Member Personalization PRD |
| Homepage recommendation system boundary | Homepage Recommendation System Design Plan |
| Production training direction | Production Recommendation Training Plan |
Contracts And Integration
| Topic | Document |
|---|---|
| Kafka producer contract | Kafka Events Contract |
| Tiger/Pegasus event rollout | Tiger And Pegasus Producer Rollout Plan |
| Shared model/feature contracts | Contracts README |
| Runtime event schemas | Event Schema Index |
Deployment And Operations
| Topic | Document |
|---|---|
| Deployment setup | Deployment Setup Guide |
| Feature store v2 operations | Feature Store V2 Operations Runbook |
| Feature store v2 backfills | Feature Store V2 Backfill Runbook |
| Production-mode bootstrap | Production-Mode Bootstrap Guide |
| Engineering bootstrap commands | Engineering Bootstrap Command Sheet |
| Rollbar error reporting | Rollbar Operations Runbook |
| Training bootstrap | Production Training Bootstrap Runbook |
| Release readiness | Release Readiness Checklist |
| Canary rollout/rollback | Canary Rollout And Rollback Runbook |
| Operations runbooks | Runbooks Index |
Legal And Compliance
| Topic | Document |
|---|---|
| DSA compliance | Digital Services Act Compliance Notice |
| Recommendation privacy policy | Privacy Policy |
Documentation Cleanup Notes
Cleanup keeps current product, integration, deployment, legal, and runbook documents here. Historical point-in-time audits and specs without active contracts have been pruned.