PRD Index
| Doc | Title | Status | Audiences |
|---|---|---|---|
| PA | Product Authority | v1.0 | — |
| PRD-001 | Solar System Explorer | Accepted (v0.2) | curious learner, STEM student |
| PRD-002 | Mission Configurator | Accepted (v0.1.6) | curious learner, STEM student |
| PRD-003 | Mission Arc | Accepted (v0.7.0) | curious learner, STEM student |
| PRD-004 | Mission Library | Accepted (v0.2) | all three |
| PRD-005 | Earth Orbit Viewer | Accepted (v0.4) | curious learner, STEM student |
| PRD-006 | Moon Map | Accepted (v0.4) | curious learner, STEM student |
| PRD-007 | Multi-Language Support | Accepted (v0.3.x foundation; rolling) | all audiences (cross-cutting) |
| PRD-008 | Science (in-app encyclopedia) | Accepted (v0.5) | curious learner, STEM student |
| PRD-009 | Mars Surface Map | Accepted (v0.4) | curious learner, STEM student, space enthusiast |
| PRD-010 | ISS Explorer | Accepted (v0.4) | curious learner, STEM student, space enthusiast |
| PRD-011 | Tiangong Explorer | Accepted (v0.5) | curious learner, STEM student, space enthusiast |
| PRD-012 | Spaceflight Fleet | Accepted (v0.6) | curious learner, STEM student, space enthusiast |
| PRD-013 | Landing page (root /) | Accepted (v0.6) | first-time visitor, returning user, educator/journalist |
| PRD-014 | Surface Hotspots · progressive-quality landing-site exploration | Accepted (v0.7) | curious lay person, space enthusiast, astrodynamicist |
| PRD-015 | Mobile App — Capacitor wrapper for Android + iOS | Draft v0.3 | curious learner, space enthusiast (mobile-first audience) |
| PRD-016 | Science Overlay & Episode System (audio narration) | Draft v0.5 — v0.7 en-US shipped + tour-v2 in flight (S7..S10 + ADR-075) | all audiences (editorial layer) |
| PRD-017 | Sensory Layer — gyroscope, sonification, haptics | Draft v0.4 | mobile + accessibility audience |
| PRD-018 | Image Pipeline v2 — vision scoring + smart cropping + curation loop | Draft v0.4 | curators, editors, mobile audience |
| PRD-019 | Immersive Mode — WebXR (Android) + ARKit (iPhone wrapped) + Exhibit Mode | Draft v0.4 | all audiences (capstone feature) |
| PRD-020 | Launches Calendar — upcoming + historic global launches on /missions | Accepted (v0.7) | curious learner, STEM student, space enthusiast, educator/journalist |
| PRD-021 | Surface texture LOD — sphere sharpness at mid-zoom on /mars, /moon, /earth | Draft | curious learner, science writer, educator |
| PRD-022 | Tier-3 panorama as spatial-context exhibit — honest source, captions, annotations, multi-pano | Draft | curious learner, educator, mission-history reader |
| PRD-023 | /explore lens + always-on annotations — visual layer for Hill sphere, Lagrange, magnetosphere, axial tilt, planet stats (2026-07-08 amendment — Science Lens + Tactical Scan unified across surface routes, #382) | Draft | curious learner, STEM student, space enthusiast |
| PRD-024 | /science 'planets' tab — pair every PRD-023 lens annotation with a real article | Draft | curious learner, STEM student, space enthusiast, educator |
| PRD-025 | Finalize the forward roadmap — comprehensive per-agency coverage through ~2035 (re-scoped 2026-07-11: everything, ~180+ entries; authored under PRD-029 programs) | Draft (prep for v0.8) | space enthusiast, educator/journalist, curious learner |
| PRD-026 | Historical content completeness pass (v0.7) — Apollo + surface-page + agency-parity + i18n + fleet-galleries | Shipped (v0.7) | curious learner, space enthusiast, educator/journalist |
| PRD-027 | /science visit-list — museums with restored space hardware ("what to visit") | Draft (prep for v0.8) | curious learner, space enthusiast, educator/journalist |
| PRD-028 | Earth-based observatories — ground-observatory fleet category (radio telescopes + DSN) | Draft (prep for v0.8) | curious learner, STEM student, space enthusiast |
| PRD-029 | Programs — a grouping layer for missions + fleet (/programs; retrofit historical + author forward under it; coverage-hole report) | Draft (prep for v0.8) | curious learner, STEM student, space enthusiast, educator/journalist |
| PRD-030 | /explore v2 — The Known Universe (zoom out from the solar system to nearby stars, exoplanet systems, deep-sky, galaxies; closes into RFC-032 + UXS-014) | Draft (epic kickoff) | curious learner, STEM student, space enthusiast, educator/journalist |
| PRD-031 | Video & Live Feeds — curated in-gallery videos (launches/landings/missions, link-embed + provenance) + a /live surface (ISS permanent feed + launch broadcasts from the launches pipeline); closes into RFC-033 | Draft (epic kickoff) | curious learner, STEM student, space enthusiast, educator/journalist |
| PRD-032 | Launch — the ascent act of the Mission Arc (pad→orbit powered ascent prepended to /fly; integrated thrust/gravity/drag/staging, cinematic + telemetry HUD; closes into RFC-034) | Draft (epic kickoff) | curious learner, STEM student |
| PRD-033 | Physics Lab — the scientific base liberated into a shared physics kernel + a media-rich sketch-illustrated /lab notebook (human) + a hosted authenticated MCP server (agent); auto-drawn figures, computed-vs-illustrated honesty line, tier ladder T0→T4; closes into UXS-015 + RFC-037 | Draft (epic kickoff) | STEM student, curious learner, the contributor, the agent |
| PRD-034 | The Known Universe — extend /explore's shell ladder to the observable universe (3 pillars: extend the arc to 8 tiers · complete the thin shells, Milky-Way-first · expand the learning + science-lens surface); closes into RFC-039 + UXS-016; re-frames #259 | Shipped (v0.8.0) | curious learner, STEM student, space enthusiast, educator/journalist |
| PRD-035 | Mobile offline — right-sized mobile assets (fix the live over-fetch: only phone-sized imagery) + a downloadable offline corpus in two tiers (Basic ~150–250 MB / Full ~400–550 MB) from Settings; closes into RFC-040 | Shipped (v0.8.0, leftover #482) | mobile user, reviewer-on-a-plane, offline/low-connectivity |