feat: 添加 BattleFlow 战斗状态机组件 (Phase 3)

实现完整的战斗 UI 流程：配置 → 战斗 → 换人/道具 → 结果 → 学招 → 进化 → 完成

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/pokemon/src/ui/BattleFlow.tsx

@@ -0,0 +1,246 @@
+import React, { useState, useCallback } from 'react'
+import { Box, Text, useInput } from '@anthropic/ink'
+import type { BuddyData, Creature, SpeciesId } from '../types'
+import { getActiveCreature, getCreatureName } from '../core/creature'
+import { saveBuddyData } from '../core/storage'
+import { createBattle, executeTurn, type BattleInit } from '../battle/engine'
+import { settleBattle, applyMoveLearn, applyEvolution } from '../battle/settlement'
+import { BattleConfigPanel } from './BattleConfigPanel'
+import { BattleView } from './BattleView'
+import { SwitchPanel } from './SwitchPanel'
+import { ItemPanel } from './ItemPanel'
+import { BattleResultPanel } from './BattleResultPanel'
+import { MoveLearnPanel } from './MoveLearnPanel'
+import type { BattleState, PlayerAction } from '../battle/types'
+
+type Phase =
+	| 'config'
+	| 'battle'
+	| 'switch'
+	| 'item'
+	| 'result'
+	| 'learnMoves'
+	| 'evolution'
+	| 'done'
+
+interface BattleFlowProps {
+	buddyData: BuddyData
+	onClose: () => void
+}
+
+export function BattleFlow({ buddyData: initialData, onClose }: BattleFlowProps) {
+	const [phase, setPhase] = useState<Phase>('config')
+	const [buddyData, setBuddyData] = useState(initialData)
+	const [battleInit, setBattleInit] = useState<BattleInit | null>(null)
+	const [battleState, setBattleState] = useState<BattleState | null>(null)
+	const [opponentSpeciesId, setOpponentSpeciesId] = useState<SpeciesId>('pikachu')
+	const [opponentLevel, setOpponentLevel] = useState(5)
+	const [pendingMoves, setPendingMoves] = useState<{ creatureId: string; moveId: string; moveName: string }[]>([])
+	const [pendingEvos, setPendingEvos] = useState<{ creatureId: string; from: SpeciesId; to: SpeciesId }[]>([])
+	const [replaceIndex, setReplaceIndex] = useState(0)
+
+	// Config phase: start battle
+	const handleStartBattle = useCallback((speciesId: SpeciesId, level: number) => {
+		setOpponentSpeciesId(speciesId)
+		setOpponentLevel(level)
+
+		const creatures = buddyData.party
+			.filter((id): id is string => id !== null)
+			.map(id => buddyData.creatures.find(c => c.id === id))
+			.filter((c): c is Creature => c !== undefined)
+
+		if (creatures.length === 0) return
+
+		const bagItems = buddyData.bag.items
+		const init = createBattle(creatures, speciesId, level, bagItems)
+		setBattleInit(init)
+		setBattleState(init.state)
+		setPhase('battle')
+	}, [buddyData])
+
+	// Battle phase: handle action
+	const handleAction = useCallback((action: PlayerAction) => {
+		if (!battleInit) return
+		const state = executeTurn(battleInit, action)
+		setBattleState(state)
+
+		if (state.finished && state.result) {
+			const participants = buddyData.party.filter((id): id is string => id !== null)
+			const result = { ...state.result, participantIds: participants }
+			const settled = settleBattle(buddyData, result, opponentSpeciesId, opponentLevel)
+
+			setBuddyData(settled.data)
+			setPendingMoves(settled.learnableMoves)
+			setPendingEvos(settled.pendingEvolutions)
+			setBattleState({ ...state, result })
+			setPhase('result')
+		}
+	}, [battleInit, buddyData, opponentSpeciesId, opponentLevel])
+
+	// Result phase: continue to move learning
+	const handleResultContinue = useCallback(() => {
+		if (pendingMoves.length > 0) {
+			setPhase('learnMoves')
+		} else if (pendingEvos.length > 0) {
+			setPhase('evolution')
+		} else {
+			saveBuddyData(buddyData)
+			setPhase('done')
+			onClose()
+		}
+	}, [pendingMoves, pendingEvos, buddyData, onClose])
+
+	// Move learning
+	const handleMoveLearn = useCallback((idx: number) => {
+		if (pendingMoves.length === 0) return
+		const move = pendingMoves[0]!
+		const updated = applyMoveLearn(buddyData, move.creatureId, move.moveId, idx)
+		setBuddyData(updated)
+		const remaining = pendingMoves.slice(1)
+		setPendingMoves(remaining)
+		if (remaining.length === 0) {
+			if (pendingEvos.length > 0) {
+				setPhase('evolution')
+			} else {
+				saveBuddyData(updated)
+				setPhase('done')
+				onClose()
+			}
+		}
+	}, [pendingMoves, pendingEvos, buddyData, onClose])
+
+	const handleMoveSkip = useCallback(() => {
+		const remaining = pendingMoves.slice(1)
+		setPendingMoves(remaining)
+		if (remaining.length === 0) {
+			if (pendingEvos.length > 0) {
+				setPhase('evolution')
+			} else {
+				saveBuddyData(buddyData)
+				setPhase('done')
+				onClose()
+			}
+		}
+	}, [pendingMoves, pendingEvos, buddyData, onClose])
+
+	// Evolution
+	const handleEvolutionConfirm = useCallback(() => {
+		if (pendingEvos.length === 0) return
+		const evo = pendingEvos[0]!
+		const updated = applyEvolution(buddyData, evo.creatureId, evo.to)
+		setBuddyData(updated)
+		const remaining = pendingEvos.slice(1)
+		setPendingEvos(remaining)
+		if (remaining.length === 0) {
+			saveBuddyData(updated)
+			setPhase('done')
+			onClose()
+		}
+	}, [pendingEvos, buddyData, onClose])
+
+	// Switch: convert BattlePokemon to Creature for SwitchPanel
+	const partyCreatures = buddyData.party
+		.filter((id): id is string => id !== null)
+		.map(id => buddyData.creatures.find(c => c.id === id))
+		.filter((c): c is Creature => c !== undefined)
+
+	// Render by phase
+	switch (phase) {
+		case 'config':
+			return (
+				<BattleConfigPanel
+					party={partyCreatures}
+					onSubmit={handleStartBattle}
+					onCancel={onClose}
+				/>
+			)
+
+		case 'battle': {
+			if (!battleState) return null
+			return (
+				<BattleView
+					state={battleState}
+					onAction={handleAction}
+				/>
+			)
+		}
+
+		case 'switch': {
+			if (!battleState) return null
+			return (
+				<SwitchPanel
+					party={partyCreatures}
+					activeId={battleState.playerPokemon.id}
+					onSelect={(creatureId) => {
+						handleAction({ type: 'switch', creatureId })
+						setPhase('battle')
+					}}
+					onCancel={() => setPhase('battle')}
+				/>
+			)
+		}
+
+		case 'item': {
+			if (!battleState) return null
+			return (
+				<ItemPanel
+					items={battleState.usableItems}
+					onSelect={(itemId) => {
+						handleAction({ type: 'item', itemId })
+						setPhase('battle')
+					}}
+					onCancel={() => setPhase('battle')}
+				/>
+			)
+		}
+
+		case 'result': {
+			if (!battleState?.result) return null
+			return (
+				<BattleResultPanel
+					result={battleState.result}
+					playerPokemon={battleState.playerPokemon}
+					onContinue={handleResultContinue}
+				/>
+			)
+		}
+
+		case 'learnMoves': {
+			if (pendingMoves.length === 0) return null
+			const move = pendingMoves[0]!
+			const creature = buddyData.creatures.find(c => c.id === move.creatureId)
+			if (!creature) return null
+			return (
+				<MoveLearnPanel
+					creature={creature}
+					newMoveId={move.moveId}
+					replaceIndex={replaceIndex}
+					onLearn={handleMoveLearn}
+					onSkip={handleMoveSkip}
+					onSelectReplace={setReplaceIndex}
+				/>
+			)
+		}
+
+		case 'evolution': {
+			if (pendingEvos.length === 0) return null
+			const evo = pendingEvos[0]!
+			useInput(() => {
+				handleEvolutionConfirm()
+			})
+			return (
+				<Box flexDirection="column" borderStyle="round" paddingX={1}>
+					<Text bold color="ansi:yellow"> 进化！</Text>
+					<Text>  {evo.from} 正在进化为 {evo.to}！</Text>
+					<Text color="ansi:white">  [Enter] 继续</Text>
+				</Box>
+			)
+		}
+
+		case 'done':
+			return null
+
+		default:
+			return null
+	}
+}