Connect native E3 World Skills and independent cards

docs/HOMEWORLD_RUNTIME_IMPLEMENTATION.md

@@ -5,13 +5,16 @@ the authoritative game, player table and AI. Normal Homeworld starts are now
 labelled previews, not complete Advanced/expansion acceptance. The earlier
 component checkpoint remains in [HOMEWORLD_IMPLEMENTATION.md](HOMEWORLD_IMPLEMENTATION.md).
 
-**17 October World Skills/cards:** original classic/selected E1/E2 World starts
-now compose all14 and independent cards, optionally original Tech/Advanced
-Strongholds. Actual E3 World cards and Nexus/Discovery remain separate. Original
-typed sources, own-World fee/dial disjointness, committed-only Suk, current-rate
-revival and every own-World Harass prohibition remain. No World/counter/wallet
-or played history is manufactured.
-[Current scope and683/683 proof](LEADER_SKILLS_RUNTIME.md#world-skills-and-selected-decks--17-october-2026).
+**17 October World Skills/cards:** original classic/selected E1/E2 and
+standalone/paired E3 Worlds now compose all14 and independent cards, optionally
+original Tech/Advanced Strongholds. Native E3 World cards also work without
+Skills; paired plain World Skills needs no Nexus/card. Original typed sources,
+own-World fee/dial disjointness, committed-only Suk, current-rate revival and
+every own-World Harass ban remain. Nexus/Discovery card contexts, mixed E3 and
+existing roles/effect guards stay separate. No World/counter/wallet or played
+history is manufactured.
+[Latest native E3 scope and459/459 proof](LEADER_SKILLS_RUNTIME.md#native-e3-worlds-with-independent-cards--17-october-2026);
+[prior selected-deck/World683/683 proof](LEADER_SKILLS_RUNTIME.md#world-skills-and-selected-decks--17-october-2026).
 
 ## Mixed E1/E2 and paired E3 Nexus — 7 October 2026