From b42473a055f249ad4c3e2a686be9e4e1d2abbce4 Mon Sep 17 00:00:00 2001
From: monsterrobotparty <jingkohn@gmail.com>
Date: Thu, 16 Jul 2026 10:32:38 +1000
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=AD=20review:=20post-merge=20integrati?=
 =?UTF-8?q?on=20=E2=80=94=20sbdb=5Flookup=20into=20CONFIG.proxy,=20era-awa?=
 =?UTF-8?q?re=20BC=20dates=20in=20lib=20formatters=20(fable)?=
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Content-Type: text/plain; charset=UTF-8
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Merged suite: 21/21 gates in-browser incl. NEO real-orbit (err 1.16%),
Jupiter@1000BC Δ0.004 AU, 2b-proof. Deep-time readout now '1000 BC-01-15'.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 js/config.js      | 1 +
 js/layers/neos.js | 2 +-
 js/lib.js         | 7 +++++--
 verify.html       | 2 +-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/js/config.js b/js/config.js
index d0db3c3..7f1e7f6 100644
--- a/js/config.js
+++ b/js/config.js
@@ -6,6 +6,7 @@ export const CONFIG = {
   proxy: {
     horizons: 'proxy/horizons',
     sbdb: 'proxy/sbdb',
+    sbdbLookup: 'proxy/sbdb_lookup',
     cad: 'proxy/cad',
   },
 
diff --git a/js/layers/neos.js b/js/layers/neos.js
index c9e120a..a2eff77 100644
--- a/js/layers/neos.js
+++ b/js/layers/neos.js
@@ -25,7 +25,7 @@ export function parseSbdbElements(j) {
 export default function create(ctx) {
   const { THREE, scene, CONFIG, lib, ui, scale, ephem, worldGroup, toLocal, makeLabel } = ctx;
   const LD_AU = 384400 / lib.AU_KM; // one lunar distance in AU
-  const SBDB_LOOKUP = 'proxy/sbdb_lookup'; // sibling of CONFIG.proxy.* (I don't own config.js)
+  const SBDB_LOOKUP = CONFIG.proxy.sbdbLookup;
   const N = 256;                           // orbit samples per NEO
 
   const glyph = makeReticle();
diff --git a/js/lib.js b/js/lib.js
index 2c47d26..80751ec 100644
--- a/js/lib.js
+++ b/js/lib.js
@@ -55,15 +55,18 @@ export function worldToEcl(w, out = {}) {
 
 // ---- formatters ----
 const pad = (n, w = 2) => String(n).padStart(w, '0');
+// Astronomical year → human era label: 0 = "1 BC", −999 = "1000 BC" (deep time,
+// wave 2 VESSEL — a raw getUTCFullYear() would render 1000 BC as "-0999").
+const eraYear = (y) => (y <= 0 ? `${1 - y} BC` : String(y).padStart(4, '0'));
 // "2026-07-15 00:00:00 UTC" from unix-ms.
 export function formatUTC(ms) {
   const d = new Date(ms);
-  return `${d.getUTCFullYear()}-${pad(d.getUTCMonth() + 1)}-${pad(d.getUTCDate())} ` +
+  return `${eraYear(d.getUTCFullYear())}-${pad(d.getUTCMonth() + 1)}-${pad(d.getUTCDate())} ` +
          `${pad(d.getUTCHours())}:${pad(d.getUTCMinutes())}:${pad(d.getUTCSeconds())} UTC`;
 }
 export function formatUTCDate(ms) {
   const d = new Date(ms);
-  return `${d.getUTCFullYear()}-${pad(d.getUTCMonth() + 1)}-${pad(d.getUTCDate())}`;
+  return `${eraYear(d.getUTCFullYear())}-${pad(d.getUTCMonth() + 1)}-${pad(d.getUTCDate())}`;
 }
 export function fmtAU(au) {
   const a = Math.abs(au);
diff --git a/verify.html b/verify.html
index bb9a069..26801a3 100644
--- a/verify.html
+++ b/verify.html
@@ -221,7 +221,7 @@
         // robust absolute tolerance (least sensitive to EMB≈Earth + two-body drift).
         let best = null;
         for (const r of rows) { const dist = +r[ix('dist')]; if (!best || dist > best.dist) best = { des: r[ix('des')], jd: +r[ix('jd')], dist }; }
-        const j = await (await fetch(`proxy/sbdb_lookup?sstr=${encodeURIComponent(best.des)}&full-prec=true`)).json();
+        const j = await (await fetch(`${CONFIG.proxy.sbdbLookup}?sstr=${encodeURIComponent(best.des)}&full-prec=true`)).json();
         const el = parseSbdbElements(j);
         if (!el) throw new Error(`no elliptical elements for ${best.des}`);
         const neo = ephem.smallBodyEcl(el, best.jd, {});