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/rom/profile.ts

@@ -584,6 +584,33 @@ export const MENU = {
 /** Battle engine tables and texts, keyed by their PRET labels so that
  * \`npm run check:reference\` can verify each address by name. */
 export const BATTLE = {
+  DownpourText: 0x817a3,
+  SunGotBrightText: 0x817b8,
+  SandstormBrewedText: 0x816e4,
+  BattleText_RainContinuesToFall: 0x8091f,
+  BattleText_TheSunlightIsStrong: 0x80938,
+  BattleText_TheSandstormRages: 0x80951,
+  BattleText_TheRainStopped: 0x80967,
+  BattleText_TheSunlightFaded: 0x8097a,
+  BattleText_TheSandstormSubsided: 0x8098f,
+  SandstormHitsText: 0x8084d,
+  MadeSubstituteText: 0x81362,
+  HasSubstituteText: 0x81378,
+  TooWeakSubText: 0x8138d,
+  SubTookDamageText: 0x813ad,
+  SubFadedText: 0x813d0,
+  TransformedText: 0x81499,
+  MimicLearnedMoveText: 0x813e6,
+  MirrorMoveFailedText: 0x815c1,
+  TransformedTypeText: 0x81452,
+  SketchedText: 0x81143,
+  FledFromBattleText: 0x812ac,
+  FledInFearText: 0x812c1,
+  BlownAwayText: 0x812d2,
+  DraggedOutText: 0x81544,
+  MetronomeExcepts: 0x37454,
+  WeatherTypeModifiers: 0xfbe13,
+  WeatherMoveModifiers: 0xfbe20,
   WasSeededText: 0x813f8,
   EvadedText: 0x81407,
   LeechSeedSapsText: 0x8080e,
@@ -711,6 +738,15 @@ export const BATTLE = {
   BattleText_MonFainted: 0x80a75,
   BattleText_MonHasNoMovesLeft: 0x80c72,
   BattleText_StringBuffer1GrewToLevel: 0x80c9c,
+  BattleText_UserRecoveredPPUsing: 0x80899,
+  BattleText_UserFledUsingAStringBuffer1: 0x80b89,
+  BattleText_UsersStringBuffer1Activated: 0x80bde,
+  LoafingAroundText: 0x80f19,
+  BeganToNapText: 0x80f31,
+  WontObeyText: 0x80f44,
+  TurnedAwayText: 0x80f54,
+  IgnoredOrdersText: 0x80f66,
+  IgnoredSleepingText: 0x80f7b,
   BattleText_TargetRecoveredWithItem: 0x80880,
   BattleText_TheMoveIsDisabled: 0x80c5b,
   BattleText_TheresNoPPLeftForThisMove: 0x80c39,