Port weather, copying moves, held items and obedience (#28)

Complete the weather, Substitute, Transform, called-move and forced-switch effects. Add held-item behavior, Exp. Share awards and badge-based traded Pokemon obedience, and persist trainer berry consumption.

Validated with 576 passing unit tests and 149 browser tests, native/reference builds, reference/vendor/release checks and 320 Metal Powder emulator comparisons per browser. Smart AI and special balls/battle types remain on #28.

src/game/battle/constants.ts

@@ -105,6 +105,8 @@ export const C = {
   SKULL_BASH: 130,
   SKY_ATTACK: 143,
   WHIRLPOOL: 250,
+  ROAR: 46,
+  TRANSFORM: 144,
   MIRROR_MOVE: 119,
   REST: 156,
   ENCORE: 227,
@@ -131,11 +133,16 @@ export const C = {
   NORMAL: 0,
   FLYING: 2,
   POISON: 3,
+  ROCK: 5,
+  GROUND: 4,
+  STEEL: 9,
   BIRD: 6,
   GHOST: 8,
   GRASS: 22,
   UNUSED_TYPES: 10,
   UNUSED_TYPES_END: 20,
+  TYPES_END: 28,
+  CURSE_TYPE: 19,
   FIRE: 20,
   SPECIAL: 20,
   ICE: 25,
@@ -156,6 +163,7 @@ export const C = {
   POKE_BALL: 5,
   LUCKY_PUNCH: 30,
   METAL_POWDER: 35,
+  BERSERK_GENE: 0x98,
   STICK: 105,
   THICK_CLUB: 118,
   EXP_SHARE: 57,
@@ -387,10 +395,13 @@ export const COMMAND = {
   freezetarget: 24,
   paralyzetarget: 25,
   selfdestruct: 26,
+  mirrormove: 27,
   payday: 30,
+  conversion: 31,
   resetstats: 32,
   storeenergy: 33,
   unleashenergy: 34,
+  forceswitch: 35,
   endloop: 36,
   flinchtarget: 37,
   ohko: 38,
@@ -400,10 +411,14 @@ export const COMMAND = {
   confuse: 42,
   confusetarget: 43,
   heal: 44,
+  transform: 45,
   screen: 46,
   poison: 47,
   paralyze: 48,
+  substitute: 49,
   rechargenextturn: 50,
+  mimic: 51,
+  metronome: 52,
   leechseed: 53,
   splash: 54,
   disable: 55,
@@ -417,7 +432,11 @@ export const COMMAND = {
   counter: 64,
   encore: 65,
   painsplit: 66,
+  snore: 67,
+  conversion2: 68,
   lockon: 69,
+  sketch: 70,
+  sleeptalk: 72,
   destinybond: 73,
   spite: 74,
   falseswipe: 75,
@@ -434,6 +453,7 @@ export const COMMAND = {
   spikes: 86,
   foresight: 87,
   perishsong: 88,
+  startsandstorm: 89,
   endure: 90,
   checkrollout: 91,
   rolloutpower: 92,
@@ -446,12 +466,15 @@ export const COMMAND = {
   safeguard: 100,
   checksafeguard: 101,
   getmagnitude: 102,
+  batonpass: 103,
   pursuit: 104,
   clearhazards: 105,
   healmorn: 106,
   healday: 107,
   healnite: 108,
   hiddenpower: 109,
+  startrain: 110,
+  startsun: 111,
   attackup: 112,
   defenseup: 113,
   speedup: 114,
@@ -500,6 +523,7 @@ export const COMMAND = {
   doubleminimizedamage: 157,
   skipsuncharge: 158,
   thunderaccuracy: 159,
+  teleport: 160,
   beatup: 161,
   ragedamage: 162,
   resettypematchup: 163,