docs: describe the shared attribution anchor

changelog.d/1523-minimal-hud-bottom-banner.md

@@ -1,3 +1,4 @@
 - The Minimal HUD layout no longer draws the centred MGRS / LAT / LON banner
-  across the globe; the bottom-left readout still shows the same position, and
+  across the globe; the bottom-left readout still shows the same position. In
-  now sits clear of the map attribution row instead of overlapping it (Said Turksever, #1523).
+  Minimal, Tactical and Cockpit that readout now sits clear of the map
+  attribution row instead of overlapping it (Said Turksever, #1523).

docs/CURRENT-STATE.md

@@ -460,11 +460,13 @@ removed too.
 
 Minimal no longer shows the centred MGRS / LAT / LON bar near the bottom of the
 globe (November 3, 2026, #1523): the bottom-left readout already carries the
-same position, and the bar sat across the globe. That readout now sits 7.25rem
+same position, and the bar sat across the globe. Cyber keeps its own bar. The
-(plus 2vh) up, clear of the Cesium / Esri attribution row it used to overlap,
+attribution row's position is one variable, `--gev-credits-bottom` in
-with Scope on or off. `scripts/qa-scope-hud.mjs` checks the hidden banner and
+`command-dock-trays.css`, and the lower-left readout of Minimal, Tactical, Cyber
-clearance above the rendered attribution row at desktop and intermediate
+and Cockpit sits `--gev-credits-reserve` (2.75rem) above it, which leaves 1rem
-widths in both Scope modes, plus the existing compact phone treatment.
+over the 28px logo row with Scope on or off. Phones hide that readout.
+`scripts/qa-scope-hud.mjs` checks the hidden banner and that clearance against
+the rendered attribution row.
 
 ## Cyber HUD — September 30, 2026