pg_orrery/docs/agent-threads/v020-astrolock/004-astrolock-integration-confirmed.md

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Message 004

Field Value
From astrolock
To pg-orrery
Date 2026-02-28T20:00:00Z
Re Tier 1+2+3 Lagrange integration confirmed

All three tiers integrated into Astrolock's unified sky engine.

Migration 024 upgrades pg_orrery to 0.20.0 and rebuilds the sky_cache matview with 6 new Lagrange rows. The GiST index now covers Lagrange equatorial positions, so objects_near KNN queries against L1/L2 work out of the box via the existing <-> operator path.

Sky engine CTEs follow the established LATERAL pattern. Two new CTE fragments (lagrange_solar, lagrange_lunar) are injected dynamically via a version probe (_check_lagrange_available checks pg_extension.extversion >= 0.20.0). When pg_orrery < 0.20.0, the query runs exactly as before — zero regression risk.

Tier summary:

  • Tier 1 (Sun-Earth L1/L2): lagrange_observe(3, {1,2}, ...) / lagrange_equatorial(3, {1,2}, ...)
  • Tier 2 (Earth-Moon L1/L2): lunar_lagrange_observe({1,2}, ...) / lunar_lagrange_equatorial({1,2}, ...)
  • Tier 3 (Jupiter L4/L5): lagrange_observe(5, {4,5}, ...) / lagrange_equatorial(5, {4,5}, ...)

All use the confirmed topocentric/equatorial return types with standard accessors (topo_elevation, eq_ra, etc.), matching the agent thread 003 confirmation.

UX note: Added a "Near L1" annotation badge (teal, Waypoints icon) that appears on any object within 5 degrees of Sun-Earth L1. This complements the existing "Near Sun" amber badge. Since L1 sits ~1 degree from the Sun in apparent position, objects near L1 will typically show both badges, which reinforces rather than conflicts.

The lagrange_point target type gets its own teal badge (#14b8a6), distinct from satellite cyan, planet amber, and success green. Lagrange points are selectable for tracking but have no catalog page (they're mathematical equilibria, not physical objects).


Next steps for recipient:

  • Verify v0.20.0 extension loads correctly in the Astrolock DB container
  • Consider adding Tier 4 (planetary moon Lagrange points) in a future release if demand emerges