1

.idea/editor.xml

@@ -244,101 +244,5 @@
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-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_ARGUMENTS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_RPAR/@EntryValue" value="false" type="bool" />
-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_RPAR/@EntryValue" value="false" type="bool" />
-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_TERNARY_OPSIGNS/@EntryValue" value="true" type="bool" />
-    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_PARAMETERS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
-    <option name="/Default/CodeStyle/EditorConfig/EnableClangFormatSupport/@EntryValue" value="false" type="bool" />
   </component>
 </project>

packages/shared/src/contracts/story.ts

@@ -156,6 +156,33 @@ export type NpcChatDialogueRequest<
   resultSummary: string;
 };
 
+export type NpcChatTurnRequest<
+  TCharacter = unknown,
+  TEncounter = unknown,
+  TMonster = unknown,
+  TStoryMoment = unknown,
+  TContext = unknown,
+  TConversationTurn = unknown,
+  TNpcState = unknown,
+> = {
+  worldType: string;
+  character: TCharacter;
+  encounter: TEncounter;
+  monsters: TMonster[];
+  history: TStoryMoment[];
+  context: TContext;
+  conversationHistory: TConversationTurn[];
+  playerMessage: string;
+  npcState: TNpcState;
+};
+
+export type NpcChatTurnResult = {
+  npcReply: string;
+  affinityDelta: number;
+  affinityText: string;
+  suggestions: string[];
+};
+
 export type NpcRecruitDialogueRequest<
   TCharacter = unknown,
   TEncounter = unknown,

scripts/dev-node.mjs

@@ -2,7 +2,7 @@ import net from 'node:net';
 import path from 'node:path';
 import {spawn} from 'node:child_process';
 import {existsSync, readFileSync} from 'node:fs';
-import {fileURLToPath} from 'node:url';
+import {fileURLToPath, pathToFileURL} from 'node:url';
 
 const repoRoot = fileURLToPath(new URL('../', import.meta.url));
 const serverRoot = fileURLToPath(new URL('../server-node/', import.meta.url));
@@ -13,6 +13,7 @@ const serverTsxCliPath = fileURLToPath(
 const serverTsxLoaderPath = fileURLToPath(
   new URL('../server-node/node_modules/tsx/dist/loader.mjs', import.meta.url),
 );
+const serverTsxLoaderUrl = pathToFileURL(serverTsxLoaderPath).href;
 const envExamplePath = fileURLToPath(new URL('../.env.example', import.meta.url));
 const envLocalPath = fileURLToPath(new URL('../.env.local', import.meta.url));
 const bundledNodePath = fileURLToPath(
@@ -304,7 +305,7 @@ function registerChild(name, child, siblingProvider) {
 }
 
 const serverProcess = existsSync(serverTsxLoaderPath)
-  ? spawn(runtimeNodePath, ['--watch', '--import', serverTsxLoaderPath, 'src/server.ts'], {
+  ? spawn(runtimeNodePath, ['--watch', '--import', serverTsxLoaderUrl, 'src/server.ts'], {
       cwd: serverRoot,
       env: mergedEnv,
       stdio: 'inherit',

server-node/src/modules/ai/chatOrchestrator.ts

@@ -5,8 +5,10 @@ import type {
   CharacterChatSuggestionsRequest,
   CharacterChatSummaryRequest,
   NpcChatDialogueRequest,
+  NpcChatTurnRequest,
   NpcRecruitDialogueRequest,
 } from '../../../../packages/shared/src/contracts/story.js';
+import { parseLineListContent } from '../../../../packages/shared/src/llm/parsers.js';
 import {
   buildCharacterPanelChatPrompt,
   buildCharacterPanelChatSuggestionPrompt,
@@ -16,11 +18,52 @@ import {
   CHARACTER_PANEL_CHAT_SYSTEM_PROMPT,
   buildNpcRecruitDialoguePrompt,
   buildStrictNpcChatDialoguePrompt,
+  buildNpcChatTurnReplyPrompt,
+  buildNpcChatTurnSuggestionPrompt,
   NPC_CHAT_DIALOGUE_STRICT_SYSTEM_PROMPT,
+  NPC_CHAT_TURN_REPLY_SYSTEM_PROMPT,
+  NPC_CHAT_TURN_SUGGESTION_SYSTEM_PROMPT,
   NPC_RECRUIT_DIALOGUE_SYSTEM_PROMPT,
 } from './chatPromptBuilders.js';
+import { prepareEventStreamResponse } from '../../http.js';
 import type { UpstreamLlmClient } from '../../services/llmClient.js';
 
+function writeSseEvent(
+  response: Response,
+  event: string,
+  payload: Record<string, unknown>,
+) {
+  response.write(`event: ${event}\n`);
+  response.write(`data: ${JSON.stringify(payload)}\n\n`);
+}
+
+function readRecord(value: unknown) {
+  return value && typeof value === 'object' && !Array.isArray(value)
+    ? (value as Record<string, unknown>)
+    : null;
+}
+
+function readNumber(value: unknown, fallback = 0) {
+  return typeof value === 'number' && Number.isFinite(value) ? value : fallback;
+}
+
+function describeAffinityShift(affinityDelta: number) {
+  if (affinityDelta >= 8) return '态度明显软化了下来。';
+  if (affinityDelta >= 5) return '态度比刚才亲近了一些。';
+  if (affinityDelta > 0) return '对话气氛稍微松动了一点。';
+  if (affinityDelta < 0) return '这轮对话让气氛变得更紧了一些。';
+  return '这轮对话暂时没有带来明显关系变化。';
+}
+
+function buildFallbackNpcChatSuggestions(playerMessage: string) {
+  const topic = playerMessage.trim() || '刚才那句话';
+  return [
+    `顺着“${topic}”再追问一句`,
+    '先表明你的判断，再看对方反应',
+    '换个更轻一点的语气继续聊下去',
+  ];
+}
+
 export async function generateCharacterChatSuggestionsFromOrchestrator(
   llmClient: UpstreamLlmClient,
   payload: CharacterChatSuggestionsRequest,
@@ -73,6 +116,64 @@ export async function streamNpcChatDialogueFromOrchestrator(
   });
 }
 
+export async function streamNpcChatTurnFromOrchestrator(
+  llmClient: UpstreamLlmClient,
+  params: {
+    request: Request;
+    response: Response;
+    payload: NpcChatTurnRequest;
+  },
+) {
+  prepareEventStreamResponse(params.request, params.response);
+
+  try {
+    let streamedReply = '';
+
+    const npcReply = (
+      await llmClient.streamMessageContent({
+        systemPrompt: NPC_CHAT_TURN_REPLY_SYSTEM_PROMPT,
+        userPrompt: buildNpcChatTurnReplyPrompt(params.payload),
+        debugLabel: 'runtime.npc_chat.turn.reply',
+        onUpdate: (text) => {
+          streamedReply = text;
+          writeSseEvent(params.response, 'reply_delta', { text });
+        },
+      })
+    ).trim();
+
+    const suggestionText = await llmClient.requestMessageContent({
+      systemPrompt: NPC_CHAT_TURN_SUGGESTION_SYSTEM_PROMPT,
+      userPrompt: buildNpcChatTurnSuggestionPrompt(
+        params.payload,
+        npcReply || streamedReply,
+      ),
+      debugLabel: 'runtime.npc_chat.turn.suggestions',
+    });
+
+    const suggestions = parseLineListContent(suggestionText, 3);
+    const npcState = readRecord(params.payload.npcState);
+    const chattedCount = readNumber(npcState?.chattedCount, 0);
+    const affinityDelta = Math.max(2, 6 - chattedCount);
+
+    writeSseEvent(params.response, 'complete', {
+      npcReply: npcReply || streamedReply,
+      affinityDelta,
+      affinityText: describeAffinityShift(affinityDelta),
+      suggestions:
+        suggestions.length === 3
+          ? suggestions
+          : buildFallbackNpcChatSuggestions(params.payload.playerMessage),
+    });
+    params.response.write('data: [DONE]\n\n');
+    params.response.end();
+  } catch (error) {
+    const message =
+      error instanceof Error ? error.message : 'NPC 单轮聊天流式生成失败';
+    writeSseEvent(params.response, 'error', { message });
+    params.response.end();
+  }
+}
+
 export async function streamNpcRecruitDialogueFromOrchestrator(
   llmClient: UpstreamLlmClient,
   params: {

server-node/src/modules/ai/chatPromptBuilders.ts

@@ -3,6 +3,7 @@ import type {
   CharacterChatSuggestionsRequest,
   CharacterChatSummaryRequest,
   NpcChatDialogueRequest,
+  NpcChatTurnRequest,
   NpcRecruitDialogueRequest,
 } from '../../../../packages/shared/src/contracts/story.js';
 
@@ -48,6 +49,16 @@ export const NPC_RECRUIT_DIALOGUE_SYSTEM_PROMPT = `你是角色扮演 RPG 的招
 - 不允许出现“我不能答应”“我还没想好”“再让我考虑”“暂时不行”“以后再说”这类拒绝或拖延表述。
 - 最后一行必须由对方明确答应加入队伍。`;
 
+export const NPC_CHAT_TURN_REPLY_SYSTEM_PROMPT = `你是角色扮演 RPG 里的当前 NPC。
+你只输出这名 NPC 此刻会对玩家说的一轮回复。
+只输出纯中文口语回复正文，不要输出角色名、引号、旁白、动作描写、Markdown、JSON 或解释。
+回复长度控制在 1 到 3 句，必须紧接玩家刚说的话，自然推进气氛、情报或关系。`;
+
+export const NPC_CHAT_TURN_SUGGESTION_SYSTEM_PROMPT = `你要为玩家生成下一轮可直接点击的 3 条聊天续写候选。
+只输出纯文本，共 3 行，每行 1 条。
+不要加编号、项目符号、Markdown、JSON 或额外说明。
+三条候选必须明显不同，分别体现继续追问、表达态度、轻微拉近关系这三种不同方向。`;
+
 function asRecord(value: unknown): JsonRecord | null {
   return value && typeof value === 'object' && !Array.isArray(value)
     ? (value as JsonRecord)
@@ -143,6 +154,41 @@ function describeConversationHistory(history: unknown) {
     : '聊天记录：暂无。';
 }
 
+function describeNpcConversationHistory(history: unknown, npcName: string) {
+  if (!Array.isArray(history) || history.length === 0) {
+    return '当前聊天记录：暂无。';
+  }
+
+  const lines = history
+    .slice(-10)
+    .map((item) => {
+      const record = asRecord(item);
+      const speaker = readString(record?.speaker);
+      const speakerName = readString(record?.speakerName);
+      const text = readString(record?.text);
+      if (!text) return null;
+
+      if (speaker === 'player') {
+        return `- 玩家：${text}`;
+      }
+
+      if (speaker === 'npc') {
+        return `- ${speakerName ?? npcName}：${text}`;
+      }
+
+      if (speaker === 'system') {
+        return `- 系统提示：${text}`;
+      }
+
+      return `- ${speakerName ?? '同伴'}：${text}`;
+    })
+    .filter((item): item is string => Boolean(item));
+
+  return lines.length > 0
+    ? ['当前聊天记录：', ...lines].join('\n')
+    : '当前聊天记录：暂无。';
+}
+
 function describeSceneContext(context: unknown) {
   const record = asRecord(context);
   const sceneName = readString(record?.sceneName) ?? '当前区域';
@@ -370,3 +416,40 @@ export function buildNpcRecruitDialoguePrompt(
     .filter(Boolean)
     .join('\n\n');
 }
+
+export function buildNpcChatTurnReplyPrompt(
+  payload: NpcChatTurnRequest,
+) {
+  const encounter = describeEncounter(payload.encounter);
+  const npcState = asRecord(payload.npcState);
+  const affinity = readNumber(npcState?.affinity, 0);
+  const chattedCount = readNumber(npcState?.chattedCount, 0);
+
+  return [
+    buildNpcDialoguePromptBase(payload),
+    describeNpcConversationHistory(payload.conversationHistory, encounter.npcName),
+    `当前关系值：${affinity}`,
+    `已聊天轮次：${chattedCount}`,
+    `玩家刚刚说：${payload.playerMessage}`,
+    `现在请只写 ${encounter.npcName} 这一轮会回复玩家的话。`,
+  ]
+    .filter(Boolean)
+    .join('\n\n');
+}
+
+export function buildNpcChatTurnSuggestionPrompt(
+  payload: NpcChatTurnRequest,
+  npcReply: string,
+) {
+  const encounter = describeEncounter(payload.encounter);
+
+  return [
+    buildNpcDialoguePromptBase(payload),
+    describeNpcConversationHistory(payload.conversationHistory, encounter.npcName),
+    `玩家刚刚说：${payload.playerMessage}`,
+    `NPC 刚刚回复：${npcReply}`,
+    `请围绕刚刚这轮对话，为玩家生成 3 条可以继续和 ${encounter.npcName} 聊下去的中文短句候选。`,
+  ]
+    .filter(Boolean)
+    .join('\n\n');
+}

server-node/src/routes/runtimeRoutes.ts

@@ -28,6 +28,7 @@ import type {
   CharacterChatSuggestionsRequest,
   CharacterChatSummaryRequest,
   NpcChatDialogueRequest,
+  NpcChatTurnRequest,
   NpcRecruitDialogueRequest,
 } from '../../../packages/shared/src/contracts/story.js';
 import type { AppContext } from '../context.js';
@@ -45,6 +46,7 @@ import {
   generateCharacterChatSummaryFromOrchestrator,
   streamCharacterChatReplyFromOrchestrator,
   streamNpcChatDialogueFromOrchestrator,
+  streamNpcChatTurnFromOrchestrator,
   streamNpcRecruitDialogueFromOrchestrator,
 } from '../modules/ai/chatOrchestrator.js';
 import {
@@ -56,6 +58,7 @@ import {
   characterChatSuggestionsRequestSchema,
   characterChatSummaryRequestSchema,
   npcChatDialogueRequestSchema,
+  npcChatTurnRequestSchema,
   npcRecruitDialogueRequestSchema,
 } from '../services/chatService.js';
 import { generateCustomWorldEntity } from '../services/customWorldEntityGenerationService.js';
@@ -671,6 +674,21 @@ export function createRuntimeRoutes(context: AppContext) {
     }),
   );
 
+  router.post(
+    '/runtime/chat/npc/turn/stream',
+    routeMeta({ operation: 'runtime.chat.npc.turnStream' }),
+    asyncHandler(async (request, response) => {
+      const payload = npcChatTurnRequestSchema.parse(
+        request.body,
+      ) as NpcChatTurnRequest;
+      await streamNpcChatTurnFromOrchestrator(context.llmClient, {
+        request,
+        response,
+        payload,
+      });
+    }),
+  );
+
   router.post(
     '/runtime/chat/npc/recruit/stream',
     routeMeta({ operation: 'runtime.chat.npc.recruitStream' }),

server-node/src/services/chatService.ts

@@ -5,6 +5,7 @@ import type {
   CharacterChatSuggestionsRequest,
   CharacterChatSummaryRequest,
   NpcChatDialogueRequest,
+  NpcChatTurnRequest,
   NpcRecruitDialogueRequest,
 } from '../../../packages/shared/src/contracts/story.js';
 
@@ -50,6 +51,12 @@ export const npcChatDialogueRequestSchema = baseNpcChatSchema.extend({
   resultSummary: z.string().optional().default(''),
 }) satisfies z.ZodType<NpcChatDialogueRequest>;
 
+export const npcChatTurnRequestSchema = baseNpcChatSchema.extend({
+  conversationHistory: z.array(jsonObjectSchema).default([]),
+  playerMessage: z.string().trim().min(1),
+  npcState: jsonObjectSchema,
+}) satisfies z.ZodType<NpcChatTurnRequest>;
+
 export const npcRecruitDialogueRequestSchema = baseNpcChatSchema.extend({
   invitationText: z.string().trim().min(1),
   recruitSummary: z.string().optional().default(''),

src/components/AdventurePanel.tsx

@@ -62,6 +62,8 @@ interface AdventurePanelProps {
   canRefreshOptions: boolean;
   onRefreshOptions: () => void;
   onChoice: (option: StoryOption) => void;
+  onSubmitNpcChatInput?: (input: string) => boolean;
+  onExitNpcChat?: () => boolean;
   onOpenCharacter: () => void;
   onOpenInventory: () => void;
   playerCharacter: Character;
@@ -149,12 +151,22 @@ function getOptionActionTextClass(option: StoryOption) {
 function getDialogueTurnAlignmentClass(
   turn: NonNullable<StoryMoment['dialogue']>[number],
 ) {
+  if (turn.speaker === 'system') {
+    return 'justify-center';
+  }
+
   return turn.speaker === 'player' ? 'justify-end' : 'justify-start';
 }
 
 function getDialogueTurnBubbleClass(
   turn: NonNullable<StoryMoment['dialogue']>[number],
 ) {
+  if (turn.speaker === 'system') {
+    return turn.affinityDelta && turn.affinityDelta > 0
+      ? 'border-rose-400/30 bg-rose-500/12 text-rose-50'
+      : 'border-white/12 bg-white/[0.06] text-zinc-100';
+  }
+
   if (turn.speaker === 'player') {
     return 'border-sky-400/20 bg-sky-500/10 text-sky-50';
   }
@@ -169,6 +181,10 @@ function getDialogueTurnBubbleClass(
 function getDialogueTurnBubbleShapeClass(
   turn: NonNullable<StoryMoment['dialogue']>[number],
 ) {
+  if (turn.speaker === 'system') {
+    return 'rounded-full';
+  }
+
   if (turn.speaker === 'player') {
     return 'rounded-2xl rounded-br-none';
   }
@@ -183,6 +199,10 @@ function getDialogueTurnBubbleShapeClass(
 function getDialogueTurnLabel(
   turn: NonNullable<StoryMoment['dialogue']>[number],
 ) {
+  if (turn.speaker === 'system') {
+    return turn.affinityDelta && turn.affinityDelta > 0 ? '关系变化' : '系统';
+  }
+
   if (turn.speaker === 'player') {
     return '\u4f60';
   }
@@ -597,6 +617,8 @@ export function AdventurePanel({
   canRefreshOptions,
   onRefreshOptions,
   onChoice,
+  onSubmitNpcChatInput,
+  onExitNpcChat,
   onOpenCharacter,
   onOpenInventory,
   playerCharacter,
@@ -622,6 +644,8 @@ export function AdventurePanel({
 }: AdventurePanelProps) {
   const isDialogueStory = currentStory.displayMode === 'dialogue';
   const dialogueTurns = currentStory.dialogue ?? [];
+  const npcChatState = currentStory.npcChatState ?? null;
+  const isNpcChatMode = Boolean(npcChatState);
   const isStoryStreaming = Boolean(currentStory.streaming);
   const shouldHideChoiceUi = hideOptions;
   const storyScrollContainerRef = useRef<HTMLDivElement | null>(null);
@@ -656,6 +680,7 @@ export function AdventurePanel({
   const [selectedBattleRewardItemId, setSelectedBattleRewardItemId] = useState<
     string | null
   >(null);
+  const [npcChatDraft, setNpcChatDraft] = useState('');
   const lastAutoOpenedGoalRef = useRef<string | null>(null);
   const lastAutoOpenedPulseRef = useRef<string | null>(null);
   const battleReward = battleRewardUi.reward;
@@ -734,6 +759,10 @@ export function AdventurePanel({
     setSelectedBattleRewardItemId(null);
   }, [battleReward]);
 
+  useEffect(() => {
+    setNpcChatDraft('');
+  }, [npcChatState?.npcId, npcChatState?.turnCount]);
+
   useEffect(() => {
     if (!primaryQuestGoal) {
       return;
@@ -887,6 +916,18 @@ export function AdventurePanel({
     onDismissGoalPulse();
   };
 
+  const submitNpcChatDraft = () => {
+    const nextInput = npcChatDraft.trim();
+    if (!nextInput || !onSubmitNpcChatInput) {
+      return;
+    }
+
+    const submitted = onSubmitNpcChatInput(nextInput);
+    if (submitted) {
+      setNpcChatDraft('');
+    }
+  };
+
   return (
     <div className="relative flex min-h-0 flex-1 flex-col">
       <button

src/components/GameShell.tsx

@@ -45,6 +45,8 @@ interface GameShellStoryProps {
   canRefreshOptions: boolean;
   handleRefreshOptions: () => void;
   handleChoice: (option: StoryOption) => void;
+  handleNpcChatInput: (input: string) => boolean;
+  exitNpcChat: () => boolean;
   handleMapTravelToScene: (sceneId: string) => boolean;
   npcUi: StoryGenerationNpcUi;
   characterChatUi: CharacterChatUi;
@@ -200,6 +202,8 @@ export function GameShell({session, story, entry, companions, audio}: GameShellP
     canRefreshOptions,
     handleRefreshOptions,
     handleChoice,
+    handleNpcChatInput,
+    exitNpcChat,
     handleMapTravelToScene,
     npcUi,
     characterChatUi,
@@ -533,6 +537,8 @@ export function GameShell({session, story, entry, companions, audio}: GameShellP
                     canRefreshOptions={canRefreshOptions}
                     onRefreshOptions={handleRefreshOptions}
                     onChoice={handleSceneTransitionChoice}
+                    onSubmitNpcChatInput={handleNpcChatInput}
+                    onExitNpcChat={exitNpcChat}
                     onOpenCharacter={() => openOverlayPanel('character')}
                     onOpenInventory={() => openOverlayPanel('inventory')}
                     playerCharacter={visibleGameState.playerCharacter}

src/components/game-shell/GameShellMainContent.tsx

@@ -74,6 +74,8 @@ export function GameShellMainContent({
   canRefreshOptions,
   handleRefreshOptions,
   handleSceneTransitionChoice,
+  handleNpcChatInput,
+  exitNpcChat,
   characterChatUi,
   inventoryUi,
   battleRewardUi,
@@ -112,6 +114,8 @@ export function GameShellMainContent({
   canRefreshOptions: boolean;
   handleRefreshOptions: () => void;
   handleSceneTransitionChoice: (option: StoryOption) => void;
+  handleNpcChatInput: (input: string) => boolean;
+  exitNpcChat: () => boolean;
   characterChatUi: CharacterChatUi;
   inventoryUi: InventoryFlowUi;
   battleRewardUi: BattleRewardUi;
@@ -198,6 +202,8 @@ export function GameShellMainContent({
                 canRefreshOptions={canRefreshOptions}
                 handleRefreshOptions={handleRefreshOptions}
                 handleSceneTransitionChoice={handleSceneTransitionChoice}
+                handleNpcChatInput={handleNpcChatInput}
+                exitNpcChat={exitNpcChat}
                 characterChatUi={characterChatUi}
                 inventoryUi={inventoryUi}
                 battleRewardUi={battleRewardUi}

src/components/game-shell/GameShellRuntime.tsx

@@ -34,6 +34,8 @@ export function GameShellRuntime({session, story, entry, companions, audio}: Gam
     displayedOptions,
     canRefreshOptions,
     handleRefreshOptions,
+    handleNpcChatInput,
+    exitNpcChat,
     handleMapTravelToScene,
     npcUi,
     characterChatUi,
@@ -151,6 +153,8 @@ export function GameShellRuntime({session, story, entry, companions, audio}: Gam
         canRefreshOptions={canRefreshOptions}
         handleRefreshOptions={handleRefreshOptions}
         handleSceneTransitionChoice={handleSceneTransitionChoice}
+        handleNpcChatInput={handleNpcChatInput}
+        exitNpcChat={exitNpcChat}
         characterChatUi={characterChatUi}
         inventoryUi={inventoryUi}
         battleRewardUi={battleRewardUi}

src/components/game-shell/GameShellStoryPanels.tsx

@@ -51,6 +51,8 @@ export function GameShellStoryPanels({
   canRefreshOptions,
   handleRefreshOptions,
   handleSceneTransitionChoice,
+  handleNpcChatInput,
+  exitNpcChat,
   characterChatUi,
   inventoryUi,
   battleRewardUi,
@@ -77,6 +79,8 @@ export function GameShellStoryPanels({
   canRefreshOptions: boolean;
   handleRefreshOptions: () => void;
   handleSceneTransitionChoice: (option: StoryOption) => void;
+  handleNpcChatInput: (input: string) => boolean;
+  exitNpcChat: () => boolean;
   characterChatUi: CharacterChatUi;
   inventoryUi: InventoryFlowUi;
   battleRewardUi: BattleRewardUi;
@@ -181,6 +185,8 @@ export function GameShellStoryPanels({
             canRefreshOptions={canRefreshOptions}
             onRefreshOptions={handleRefreshOptions}
             onChoice={handleSceneTransitionChoice}
+            onSubmitNpcChatInput={handleNpcChatInput}
+            onExitNpcChat={exitNpcChat}
             onOpenCharacter={() => openOverlayPanel('character')}
             onOpenInventory={() => openOverlayPanel('inventory')}
             playerCharacter={playerCharacter}

src/components/game-shell/types.ts

@@ -33,6 +33,8 @@ export interface GameShellStoryProps {
   canRefreshOptions: boolean;
   handleRefreshOptions: () => void;
   handleChoice: (option: StoryOption) => void;
+  handleNpcChatInput: (input: string) => boolean;
+  exitNpcChat: () => boolean;
   handleMapTravelToScene: (sceneId: string) => boolean;
   npcUi: StoryGenerationNpcUi;
   characterChatUi: CharacterChatUi;

src/hooks/story/npcEncounterActions.ts

@@ -40,7 +40,11 @@ import {
   resolveSceneEncounterPreview,
 } from '../../data/sceneEncounterPreviews';
 import { applyStoryReasoningRecovery } from '../../data/storyRecovery';
-import { generateNextStep, streamNpcChatDialogue } from '../../services/aiService';
+import {
+  generateNextStep,
+  streamNpcChatDialogue,
+  streamNpcChatTurn,
+} from '../../services/aiService';
 import type { StoryGenerationContext } from '../../services/aiTypes';
 import { generateQuestForNpcEncounter } from '../../services/questDirector';
 import {
@@ -572,6 +576,249 @@ export function createStoryNpcEncounterActions({
     }
   };
 
+  const buildNpcChatTurnOptions = (
+    encounter: Encounter,
+    suggestions: string[],
+  ): StoryOption[] =>
+    suggestions.slice(0, 3).map((suggestion) => ({
+      functionId: 'npc_chat',
+      actionText: suggestion,
+      text: suggestion,
+      detailText: '',
+      visuals: {
+        playerAnimation: AnimationState.IDLE,
+        playerMoveMeters: 0,
+        playerOffsetY: 0,
+        playerFacing: 'right',
+        scrollWorld: false,
+        monsterChanges: [],
+      },
+      interaction: {
+        kind: 'npc',
+        npcId: encounter.id ?? encounter.npcName,
+        action: 'chat',
+      },
+    }));
+
+  const buildFallbackNpcChatSuggestions = (playerMessage: string) => {
+    const topic = playerMessage.trim() || '刚才那句话';
+    return [
+      `顺着“${topic}”继续追问`,
+      '先表明你的判断，再看对方反应',
+      '换个更轻松的语气把话接下去',
+    ];
+  };
+
+  const buildNpcChatStoryMoment = (params: {
+    encounter: Encounter;
+    dialogue: NonNullable<StoryMoment['dialogue']>;
+    options: StoryOption[];
+    streaming: boolean;
+    turnCount: number;
+  }): StoryMoment => ({
+    text: params.dialogue.map((turn) => turn.text).join('\n'),
+    options: params.options,
+    displayMode: 'dialogue',
+    dialogue: params.dialogue,
+    streaming: params.streaming,
+    npcChatState: {
+      npcId: params.encounter.id ?? params.encounter.npcName,
+      npcName: params.encounter.npcName,
+      turnCount: params.turnCount,
+      customInputPlaceholder: '输入你想对 TA 说的话',
+    },
+  });
+
+  const handleNpcChatTurn = async (
+    encounter: Encounter,
+    playerMessage: string,
+  ) => {
+    const playerCharacter = gameState.playerCharacter;
+    if (!playerCharacter || !gameState.worldType) {
+      return false;
+    }
+
+    const npcState = getResolvedNpcState(gameState, encounter);
+    const currentNpcChatState =
+      currentStory?.npcChatState?.npcId === (encounter.id ?? encounter.npcName)
+        ? currentStory.npcChatState
+        : null;
+    const existingDialogue =
+      currentStory?.dialogue && currentNpcChatState
+        ? [...currentStory.dialogue]
+        : [];
+    const dialogueWithPlayer = [
+      ...existingDialogue,
+      {
+        speaker: 'player' as const,
+        text: playerMessage,
+      },
+    ];
+    const nextTurnCount = (currentNpcChatState?.turnCount ?? 0) + 1;
+    const openingCampContext = buildOpeningCampChatContext(
+      gameState,
+      playerCharacter,
+      encounter,
+    );
+
+    setAiError(null);
+    setIsLoading(true);
+    setCurrentStory(
+      buildNpcChatStoryMoment({
+        encounter,
+        dialogue: dialogueWithPlayer,
+        options: [],
+        streaming: true,
+        turnCount: nextTurnCount,
+      }),
+    );
+
+    try {
+      const chatTurn = await streamNpcChatTurn(
+        gameState.worldType,
+        playerCharacter,
+        encounter,
+        getStoryGenerationHostileNpcs(gameState),
+        gameState.storyHistory,
+        buildStoryContextFromState(gameState, {
+          lastFunctionId: 'npc_chat',
+          ...openingCampContext,
+          encounterNpcStateOverride: npcState,
+        }),
+        existingDialogue,
+        playerMessage,
+        {
+          affinity: npcState.affinity,
+          chattedCount: npcState.chattedCount,
+          recruited: npcState.recruited,
+        },
+        {
+          onReplyUpdate: (text) => {
+            setCurrentStory(
+              buildNpcChatStoryMoment({
+                encounter,
+                dialogue: [
+                  ...dialogueWithPlayer,
+                  {
+                    speaker: 'npc',
+                    speakerName: encounter.npcName,
+                    text,
+                  },
+                ],
+                options: [],
+                streaming: true,
+                turnCount: nextTurnCount,
+              }),
+            );
+          },
+        },
+      );
+
+      let nextAffinity = npcState.affinity;
+      const nextState = updateNpcState(
+        gameState,
+        encounter,
+        (currentNpcState) => {
+          nextAffinity = currentNpcState.affinity + chatTurn.affinityDelta;
+          return {
+            ...markNpcFirstMeaningfulContactResolved(currentNpcState),
+            affinity: nextAffinity,
+            relationState: buildRelationState(nextAffinity),
+            chattedCount: currentNpcState.chattedCount + 1,
+            stanceProfile: applyStoryChoiceToStanceProfile(
+              currentNpcState.stanceProfile,
+              'npc_chat',
+              { affinityGain: chatTurn.affinityDelta },
+            ),
+          };
+        },
+      );
+      const finalHistory = appendHistory(
+        gameState,
+        playerMessage,
+        chatTurn.npcReply,
+      );
+      const finalState = {
+        ...nextState,
+        quests: applyQuestProgressFromNpcTalk(
+          nextState.quests,
+          encounter.id ?? encounter.npcName,
+        ),
+        storyHistory: finalHistory,
+      };
+      setGameState(finalState);
+
+      const affinityTurn =
+        chatTurn.affinityDelta !== 0
+          ? [
+              {
+                speaker: 'system' as const,
+                text:
+                  chatTurn.affinityDelta > 0
+                    ? `${chatTurn.affinityText} 好感 +${chatTurn.affinityDelta}`
+                    : chatTurn.affinityText,
+                affinityDelta: chatTurn.affinityDelta,
+              },
+            ]
+          : [];
+
+      setCurrentStory(
+        buildNpcChatStoryMoment({
+          encounter,
+          dialogue: [
+            ...dialogueWithPlayer,
+            {
+              speaker: 'npc',
+              speakerName: encounter.npcName,
+              text: chatTurn.npcReply,
+            },
+            ...affinityTurn,
+          ],
+          options: buildNpcChatTurnOptions(
+            encounter,
+            chatTurn.suggestions.length > 0
+              ? chatTurn.suggestions
+              : buildFallbackNpcChatSuggestions(playerMessage),
+          ),
+          streaming: false,
+          turnCount: nextTurnCount,
+        }),
+      );
+      return true;
+    } catch (error) {
+      console.error('Failed to stream npc chat turn:', error);
+      setAiError(
+        error instanceof Error ? error.message : 'NPC 聊天续写失败',
+      );
+      setCurrentStory(
+        buildNpcChatStoryMoment({
+          encounter,
+          dialogue: dialogueWithPlayer,
+          options: buildNpcChatTurnOptions(
+            encounter,
+            buildFallbackNpcChatSuggestions(playerMessage),
+          ),
+          streaming: false,
+          turnCount: nextTurnCount,
+        }),
+      );
+      return false;
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const exitNpcChat = () => {
+    const playerCharacter = gameState.playerCharacter;
+    if (!playerCharacter || !isNpcEncounter(gameState.currentEncounter)) {
+      return false;
+    }
+
+    setAiError(null);
+    setCurrentStory(buildFallbackStoryForState(gameState, playerCharacter));
+    return true;
+  };
+
   const enterNpcInteraction = (encounter: Encounter, actionText: string) => {
     const playerCharacter = gameState.playerCharacter;
     if (!playerCharacter) return false;
@@ -824,57 +1071,7 @@ export function createStoryNpcEncounterActions({
         return true;
       }
       case 'chat': {
-        const chatOutcome = getChatAffinityOutcome({
+        void handleNpcChatTurn(encounter, option.actionText);
-          playerCharacter,
-          encounter,
-          npcState,
-          actionText: option.actionText,
-          worldType: gameState.worldType,
-          customWorldProfile: gameState.customWorldProfile,
-        });
-        const affinityGain = chatOutcome.affinityGain;
-        const attributeSummary = chatOutcome.summary;
-        let nextAffinity = npcState.affinity;
-        const nextState = updateNpcState(
-          gameState,
-          encounter,
-          (currentNpcState) => {
-            nextAffinity = currentNpcState.affinity + affinityGain;
-            return {
-              ...markNpcFirstMeaningfulContactResolved(currentNpcState),
-              affinity: nextAffinity,
-              relationState: buildRelationState(nextAffinity),
-              chattedCount: currentNpcState.chattedCount + 1,
-              stanceProfile: applyStoryChoiceToStanceProfile(
-                currentNpcState.stanceProfile,
-                'npc_chat',
-                { affinityGain },
-              ),
-            };
-          },
-        );
-        void commitNpcChatState(
-          nextState,
-          playerCharacter,
-          encounter,
-          option.actionText,
-          npcState.recruited
-            ? buildCampCompanionChatResultText(
-                encounter,
-                affinityGain,
-                nextAffinity,
-              )
-            : buildNpcChatResultText(
-                encounter,
-                affinityGain,
-                nextAffinity,
-                attributeSummary,
-              ),
-          option.functionId,
-          {
-            contextNpcStateOverride: npcState,
-          },
-        );
         return true;
       }
       case 'quest_accept': {
@@ -1029,5 +1226,7 @@ export function createStoryNpcEncounterActions({
     enterNpcInteraction,
     handleNpcInteraction,
     finalizeNpcBattleResult,
+    handleNpcChatTurn,
+    exitNpcChat,
   };
 }

src/hooks/story/useStoryFlowCoordinator.ts

@@ -137,6 +137,8 @@ export function useStoryFlowCoordinator({
     npcUi,
     inventoryUi,
     clearStoryInteractionUi,
+    handleNpcChatInput,
+    exitNpcChat,
   } = useStoryInteractionCoordinator({
     gameState,
     isLoading,
@@ -186,5 +188,7 @@ export function useStoryFlowCoordinator({
     goalUi,
     npcUi,
     inventoryUi,
+    handleNpcChatInput,
+    exitNpcChat,
   };
 }

src/hooks/story/useStoryInteractionCoordinator.ts

@@ -101,11 +101,16 @@ export function useStoryInteractionCoordinator({
   const npcInteractionFlow = useStoryNpcInteractionFlow(
     interactionConfig.npcInteractionFlow,
   );
-  const { enterNpcInteraction, handleNpcInteraction, finalizeNpcBattleResult } =
+  const {
-    createStoryNpcEncounterActions({
+    enterNpcInteraction,
-      ...interactionConfig.npcEncounterActions,
+    handleNpcInteraction,
-      npcInteractionFlow,
+    finalizeNpcBattleResult,
-    });
+    handleNpcChatTurn,
+    exitNpcChat,
+  } = createStoryNpcEncounterActions({
+    ...interactionConfig.npcEncounterActions,
+    npcInteractionFlow,
+  });
   const choiceRuntimeController: Parameters<
     typeof useStoryChoiceCoordinator
   >[0]['runtimeController'] = {
@@ -199,5 +204,15 @@ export function useStoryInteractionCoordinator({
     npcUi: npcInteractionFlow.npcUi,
     inventoryUi,
     clearStoryInteractionUi,
+    handleNpcChatInput: (input: string) => {
+      const encounter = interactionConfig.npcEncounterActions.gameState.currentEncounter;
+      if (!encounter || encounter.kind !== 'npc') {
+        return false;
+      }
+
+      void handleNpcChatTurn(encounter, input);
+      return true;
+    },
+    exitNpcChat,
   };
 }

src/hooks/useGameShellRuntime.ts

@@ -148,6 +148,8 @@ export function useGameShellRuntime(): GameShellProps {
       canRefreshOptions: storyFlow.canRefreshOptions,
       handleRefreshOptions: storyFlow.handleRefreshOptions,
       handleChoice: storyFlow.handleChoice,
+      handleNpcChatInput: storyFlow.handleNpcChatInput,
+      exitNpcChat: storyFlow.exitNpcChat,
       handleMapTravelToScene: storyFlow.travelToSceneFromMap,
       npcUi: storyFlow.npcUi,
       characterChatUi: storyFlow.characterChatUi,

src/hooks/useStoryGeneration.ts

@@ -97,6 +97,8 @@ export function useStoryGeneration({
     goalUi,
     npcUi,
     inventoryUi,
+    handleNpcChatInput,
+    exitNpcChat,
   } = useStoryFlowCoordinator({
     gameState,
     setGameState,
@@ -141,5 +143,7 @@ export function useStoryGeneration({
     npcUi,
     characterChatUi,
     inventoryUi,
+    handleNpcChatInput,
+    exitNpcChat,
   };
 }

src/services/aiService.ts

@@ -23,6 +23,8 @@ import type {
   CharacterChatSuggestionsRequest,
   CharacterChatSummaryRequest,
   NpcChatDialogueRequest,
+  NpcChatTurnRequest,
+  NpcChatTurnResult,
   NpcRecruitDialogueRequest,
   PlainTextResponse,
 } from '../../packages/shared/src/contracts/story';
@@ -156,6 +158,37 @@ async function requestPlainTextStream(
   return accumulatedText.trim();
 }
 
+type ParsedSseEvent = {
+  event: string | null;
+  data: string;
+};
+
+function parseSseEventBlock(eventBlock: string): ParsedSseEvent | null {
+  let eventName: string | null = null;
+  const dataLines: string[] = [];
+
+  for (const rawLine of eventBlock.split(/\r?\n/u)) {
+    const line = rawLine.trim();
+    if (!line) continue;
+    if (line.startsWith('event:')) {
+      eventName = line.slice(6).trim() || null;
+      continue;
+    }
+    if (line.startsWith('data:')) {
+      dataLines.push(line.slice(5).trim());
+    }
+  }
+
+  if (dataLines.length === 0) {
+    return null;
+  }
+
+  return {
+    event: eventName,
+    data: dataLines.join('\n'),
+  };
+}
+
 export async function generateInitialStory(
   world: WorldType,
   character: Character,
@@ -893,6 +926,109 @@ export async function streamNpcChatDialogue(
   return dialogue.trim();
 }
 
+export async function streamNpcChatTurn(
+  world: WorldType,
+  character: Character,
+  encounter: Encounter,
+  monsters: SceneHostileNpc[],
+  history: StoryMoment[],
+  context: StoryGenerationContext,
+  conversationHistory: StoryMoment['dialogue'],
+  playerMessage: string,
+  npcState: Record<string, unknown>,
+  options: {
+    onReplyUpdate?: (text: string) => void;
+  } = {},
+) {
+  const payload = {
+    worldType: world,
+    character,
+    encounter,
+    monsters,
+    history,
+    context,
+    conversationHistory: conversationHistory ?? [],
+    playerMessage,
+    npcState,
+  } satisfies NpcChatTurnRequest;
+
+  const response = await fetchWithApiAuth(`${RUNTIME_API_BASE}/chat/npc/turn/stream`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(payload),
+  });
+
+  if (!response.ok) {
+    const responseText = await response.text();
+    throw new Error(parseApiErrorMessage(responseText, 'NPC 聊天续写失败'));
+  }
+
+  if (!response.body) {
+    throw new Error('streaming response body is unavailable');
+  }
+
+  const reader = response.body.getReader();
+  const decoder = new TextDecoder('utf-8');
+  let buffer = '';
+  let accumulatedReply = '';
+  let completedResult: NpcChatTurnResult | null = null;
+
+  for (;;) {
+    const { done, value } = await reader.read();
+    if (done) {
+      break;
+    }
+
+    buffer += decoder.decode(value, { stream: true });
+
+    while (buffer.includes('\n\n')) {
+      const boundary = buffer.indexOf('\n\n');
+      const eventBlock = buffer.slice(0, boundary);
+      buffer = buffer.slice(boundary + 2);
+
+      const parsedEvent = parseSseEventBlock(eventBlock);
+      if (!parsedEvent) {
+        continue;
+      }
+
+      if (parsedEvent.data === '[DONE]') {
+        continue;
+      }
+
+      if (parsedEvent.event === 'reply_delta') {
+        const payloadRecord = JSON.parse(parsedEvent.data) as Record<string, unknown>;
+        const nextText =
+          typeof payloadRecord.text === 'string' ? payloadRecord.text : '';
+        accumulatedReply = nextText;
+        options.onReplyUpdate?.(accumulatedReply);
+        continue;
+      }
+
+      if (parsedEvent.event === 'complete') {
+        completedResult = JSON.parse(parsedEvent.data) as NpcChatTurnResult;
+        accumulatedReply = completedResult.npcReply;
+        options.onReplyUpdate?.(accumulatedReply);
+        continue;
+      }
+
+      if (parsedEvent.event === 'error') {
+        const payloadRecord = JSON.parse(parsedEvent.data) as Record<string, unknown>;
+        throw new Error(
+          typeof payloadRecord.message === 'string'
+            ? payloadRecord.message
+            : 'NPC 聊天续写失败',
+        );
+      }
+    }
+  }
+
+  if (!completedResult) {
+    throw new Error('NPC 聊天续写结果为空');
+  }
+
+  return completedResult;
+}
+
 export async function streamNpcRecruitDialogue(
   world: WorldType,
   character: Character,

src/types/story.ts

@@ -101,9 +101,17 @@ export interface QuestLogEntry {
 }
 
 export interface StoryDialogueTurn {
-  speaker: 'player' | 'npc' | 'companion';
+  speaker: 'player' | 'npc' | 'companion' | 'system';
   speakerName?: string;
   text: string;
+  affinityDelta?: number;
+}
+
+export interface StoryNpcChatState {
+  npcId: string;
+  npcName: string;
+  turnCount: number;
+  customInputPlaceholder?: string;
 }
 
 export interface CharacterChatTurn {
@@ -127,6 +135,7 @@ export interface StoryMoment {
   streaming?: boolean;
   deferredOptions?: StoryOption[];
   historyRole?: StoryHistoryRole;
+  npcChatState?: StoryNpcChatState;
 }
 
 export type StoryOptionInteraction =