Add Gold save-editor support, rearrange the launcher, and ship a patch-notes modal.

The save editor now routes Gold vs RBY through a generation adapter so boxes, items, events, and maps write the right fields. The launcher layout is shuffled a bit, and patch notes can come from the updater, a packed file, or the iOS sidecar.

tests/save_editor_mod_tests.lua

@@ -142,6 +142,41 @@ local ok, err = pcall(function()
   local report = SaveData.validate(probe, Data)
   check(#report.lostMons == 0 and probe.party[1].species == "EDITMON",
     "validate keeps the modded mon while the mod is enabled")
+
+  -- Gold-targeted mods: spa/spd records are usable, and a Gen 1-only
+  -- manifest stays out of Gold (no ROM cache / App.load("gold") required).
+  local ModTargets = require("src.mods.ModTargets")
+  local Ops = require("Ops")
+  check(not ModTargets.supports({}, "gold"),
+    "legacy gen1-only fixture does not support gold")
+  check(not ModTargets.supports({ games = { "red" } }, "gold"),
+    "explicit gen1 games list does not support gold")
+  check(ModTargets.supports({ games = { "gold" } }, "gold"),
+    "gold-targeted manifest supports gold")
+  check(ModTargets.supports({ gen2compat = true }, "gold"),
+    "gen2compat legacy still supports gold")
+
+  local goldS = {
+    data = {
+      pokemon = {
+        EDITMON = {
+          baseStats = {
+            hp = 50, attack = 50, defense = 50, speed = 50,
+            specialAttack = 50, specialDefense = 50,
+          },
+        },
+        G1ONLY = {
+          baseStats = {
+            hp = 50, attack = 50, defense = 50, speed = 50, special = 50,
+          },
+        },
+      },
+    },
+  }
+  check(Ops.speciesUsable(goldS, "EDITMON"),
+    "spa/spd EDITMON is usable on gold")
+  check(Ops.speciesUsable(goldS, "G1ONLY"),
+    "gen1 special record remains usable (dual-key gate)")
 end)
 
 os.remove(MOD_ROOT .. "/main.lua")
@@ -154,7 +189,7 @@ os.remove(tmpPath)
 love.filesystem = savedFS
 -- leave shared singletons the way we found them (the fixture merged one
 -- record into Data.pokemon)
-Data.pokemon.EDITMON = nil
+if Data.pokemon then Data.pokemon.EDITMON = nil end
 Assets.loader = savedBridge
 Assets.invalidate()
 Runtime.install(savedEvents, savedHooks, savedErrors)