feat: 实时数据展示优化

README.md

@@ -2,6 +2,10 @@
 
 全自动 AI 长篇小说创作引擎。基于多智能体协作架构，从一句话需求到完整小说，全程无需人工干预。
 
+<p align="center">
+  <img src="scripts/sample.gif" alt="ainovel-cli demo" width="800">
+</p>
+
 ## 特性
 
 - **多智能体协作** — Coordinator 调度 Architect / Writer / Editor 三个专职智能体，各司其职
@@ -11,7 +15,7 @@
 - **七维质量评审** — Editor 从设定一致性、角色行为、节奏、叙事连贯、伏笔、钩子、审美品质七个维度评审，审美维度必须引用原文举证
 - **用户实时干预** — 写作过程中可随时注入修改意见，系统自动评估影响范围并重写
 - **双模式运行** — CLI 一行命令直接跑，TUI 交互界面实时观察进度
-- **多 LLM 支持** — OpenRouter / Anthropic / Gemini / OpenAI 随意切换
+- **多 LLM 支持** — OpenRouter / Anthropic / Gemini / OpenAI 等等随意切换
 
 ## 架构
 
@@ -95,10 +99,12 @@ ainovel-cli
 
 | 变量 | 说明 | 默认值 |
 |------|------|--------|
-| `LLM_PROVIDER` | LLM 提供商 | `openrouter` |
+| `LLM_PROVIDER` | LLM 提供商（`openrouter` / `anthropic` / `gemini` / `openai`） | `openrouter` |
 | `OPENROUTER_API_KEY` | OpenRouter API Key | — |
 | `ANTHROPIC_API_KEY` | Anthropic API Key | — |
 | `GEMINI_API_KEY` | Gemini API Key | — |
+| `Z_OPENAI_API_KEY` | OpenAI 兼容接口 API Key（通用） | — |
+| `Z_OPENAI_BASE_URL` | OpenAI 兼容接口 Base URL | — |
 | `NOVEL_STYLE` | 写作风格 | `default` |
 
 ### 写作风格
@@ -118,7 +124,7 @@ output/{novel_name}/
 │   ├── 01.md
 │   └── ...
 ├── summaries/          # 章节摘要（JSON）
-├── drafts/             # 场景草稿
+├── drafts/             # 章节草稿
 ├── reviews/            # 评审报告
 ├── meta/
 │   ├── premise.md      # 故事前提
@@ -128,8 +134,9 @@ output/{novel_name}/
 │   ├── progress.json   # 进度状态
 │   ├── timeline.json   # 时间线
 │   ├── foreshadow.json # 伏笔台账
-│   └── snapshots/      # 角色状态快照（长篇）
-└── characters.md       # 角色档案（可读版）
+│   ├── snapshots/      # 角色状态快照（长篇）
+│   ├── characters.md   # 角色档案（可读版）
+│   └── world_rules.md  # 世界规则（可读版）
 ```
 
 ## 设计理念

app/run.go

@@ -122,6 +122,9 @@ func Run(cfg Config, refs tools.References, prompts Prompts, styles map[string]s
 // registerSubscription 注册 coordinator 事件订阅，包含确定性控制和可选的 UIEvent/Delta 转发。
 func registerSubscription(coordinator *agentcore.Agent, store *state.Store, provider string, emit emitFn, onDelta deltaFn, onClear clearFn) {
 	var lastProgressSummary string
+	agentExt := newFieldExtractor("agent")   // Coordinator → subagent 目标 agent 名称
+	taskExt := newFieldExtractor("task")     // Coordinator → subagent 调度指令
+	subFilter := newStreamFilter("content")  // SubAgent：文本透传 + JSON 提取 content
 
 	coordinator.Subscribe(func(ev agentcore.Event) {
 		switch ev.Type {
@@ -135,7 +138,9 @@ func registerSubscription(coordinator *agentcore.Agent, store *state.Store, prov
 			// 区分流式 delta 和进度摘要
 			if delta, ok := parseStreamDelta(ev); ok {
 				if onDelta != nil {
-					onDelta(delta)
+					if text := subFilter.Feed(delta); text != "" {
+						onDelta(text)
+					}
 				}
 				return
 			}
@@ -153,15 +158,23 @@ func registerSubscription(coordinator *agentcore.Agent, store *state.Store, prov
 			}
 
 		case agentcore.EventMessageStart:
-			// 新一轮 LLM 输出开始，清空流式缓冲
+			// 新一轮 LLM 输出开始，重置提取器 + 清空流式缓冲
+			agentExt.Reset()
+			taskExt.Reset()
+			subFilter.Reset()
 			if onClear != nil {
 				onClear()
 			}
 
 		case agentcore.EventMessageUpdate:
-			// Coordinator 自身思考时的流式 token
+			// Coordinator 的流式 token：先提取 agent 名称做标题，再提取 task 内容
 			if ev.Delta != "" && onDelta != nil {
-				onDelta(ev.Delta)
+				if name := agentExt.Feed(ev.Delta); name != "" {
+					onDelta("\n▸ " + agentLabel(name) + "\n")
+				}
+				if text := taskExt.Feed(ev.Delta); text != "" {
+					onDelta(text)
+				}
 			}
 
 		case agentcore.EventToolExecEnd:
@@ -806,6 +819,20 @@ func extractToolErrorText(result json.RawMessage) string {
 	return truncateLog(string(result), 160)
 }
 
+// agentLabel 将内部 agent 名称映射为用户友好的标签。
+func agentLabel(name string) string {
+	switch name {
+	case "architect_short", "architect_mid", "architect_long":
+		return "Architect 规划中"
+	case "writer":
+		return "Writer 创作中"
+	case "editor":
+		return "Editor 审阅中"
+	default:
+		return name
+	}
+}
+
 func truncateLog(s string, maxRunes int) string {
 	runes := []rune(s)
 	if len(runes) <= maxRunes {

app/stream_extract.go

@@ -0,0 +1,216 @@
+package app
+
+import "strings"
+
+// jsonFieldExtractor 从流式 JSON 碎片中提取指定字段的字符串值。
+//
+// LLM 流式生成 tool call 时，参数是逐片段到达的（OpenAI/Anthropic）
+// 或一次性到达的（Gemini）。本提取器用状态机逐字符扫描，
+// 检测到目标 key 后提取其字符串值，处理 JSON 转义。
+type jsonFieldExtractor struct {
+	key      string // 匹配目标，如 `"content"` 或 `"task"`
+	state    extractState
+	matchPos int
+	escape   bool
+	buf      strings.Builder
+}
+
+type extractState int
+
+const (
+	stateScan    extractState = iota // 扫描，寻找目标 key
+	stateColon                       // 已匹配 key，等冒号和开头引号
+	stateExtract                     // 提取字符串值中
+)
+
+func newFieldExtractor(fieldName string) *jsonFieldExtractor {
+	return &jsonFieldExtractor{key: `"` + fieldName + `"`}
+}
+
+// Feed 处理一段 delta，返回提取到的文本（可能为空）。
+func (e *jsonFieldExtractor) Feed(delta string) string {
+	e.buf.Reset()
+	for _, r := range delta {
+		switch e.state {
+		case stateScan:
+			e.feedScan(r)
+		case stateColon:
+			e.feedColon(r)
+		case stateExtract:
+			e.feedExtract(r)
+		}
+	}
+	return e.buf.String()
+}
+
+func (e *jsonFieldExtractor) feedScan(r rune) {
+	if e.matchPos < len(e.key) && byte(r) == e.key[e.matchPos] {
+		e.matchPos++
+		if e.matchPos == len(e.key) {
+			e.state = stateColon
+			e.matchPos = 0
+		}
+		return
+	}
+	e.matchPos = 0
+	if byte(r) == e.key[0] {
+		e.matchPos = 1
+	}
+}
+
+func (e *jsonFieldExtractor) feedColon(r rune) {
+	switch r {
+	case ':', ' ', '\t':
+		// 跳过
+	case '"':
+		e.state = stateExtract
+		e.escape = false
+	default:
+		e.state = stateScan
+		e.matchPos = 0
+		if byte(r) == e.key[0] {
+			e.matchPos = 1
+		}
+	}
+}
+
+func (e *jsonFieldExtractor) feedExtract(r rune) {
+	if e.escape {
+		e.escape = false
+		switch r {
+		case 'n':
+			e.buf.WriteByte('\n')
+		case 't':
+			e.buf.WriteByte('\t')
+		case 'r':
+			e.buf.WriteByte('\r')
+		case '"', '\\', '/':
+			e.buf.WriteRune(r)
+		default:
+			e.buf.WriteByte('\\')
+			e.buf.WriteRune(r)
+		}
+		return
+	}
+	switch r {
+	case '\\':
+		e.escape = true
+	case '"':
+		e.state = stateScan
+		e.matchPos = 0
+	default:
+		e.buf.WriteRune(r)
+	}
+}
+
+// Reset 重置状态（新 LLM 消息轮次时调用）。
+func (e *jsonFieldExtractor) Reset() {
+	e.state = stateScan
+	e.matchPos = 0
+	e.escape = false
+}
+
+// ThinkingSep 是思考文本与正文之间的分隔标记。
+// streamFilter 在思考文本段前插入此标记，TUI 据此切换渲染样式。
+const ThinkingSep = "\x02"
+
+// streamFilter 区分 SubAgent 的文本回复和 JSON 工具调用。
+// 文本回复标记为思考内容（前缀 ThinkingSep）；JSON 工具调用只提取指定字段。
+//
+// 判断依据：遇到 { 进入 JSON 模式（追踪大括号深度），
+// 深度归零后回到文本模式。
+type streamFilter struct {
+	fieldExt   *jsonFieldExtractor
+	mode       filterMode
+	braceDepth int
+	inString   bool // 在 JSON 字符串内（大括号不计数）
+	escJSON    bool // JSON 字符串内的转义
+	thinking   bool // 当前处于思考文本段
+	buf        strings.Builder
+}
+
+type filterMode int
+
+const (
+	filterText filterMode = iota // 文本回复，直接透传
+	filterJSON                   // JSON 工具调用，提取目标字段
+)
+
+func newStreamFilter(fieldName string) *streamFilter {
+	return &streamFilter{fieldExt: newFieldExtractor(fieldName)}
+}
+
+// Feed 处理一段 delta，返回可展示文本。
+// 文本回复直接输出；JSON 中的目标字段值被提取输出；其余 JSON 结构丢弃。
+func (f *streamFilter) Feed(delta string) string {
+	f.buf.Reset()
+	for _, r := range delta {
+		switch f.mode {
+		case filterText:
+			if r == '{' {
+				f.thinking = false
+				f.mode = filterJSON
+				f.braceDepth = 1
+				f.inString = false
+				f.escJSON = false
+				f.fieldExt.Reset()
+				f.feedExtractor(r)
+			} else {
+				if !f.thinking {
+					f.thinking = true
+					f.buf.WriteString(ThinkingSep)
+				}
+				f.buf.WriteRune(r)
+			}
+		case filterJSON:
+			f.feedExtractor(r)
+			f.trackBraces(r)
+		}
+	}
+	return f.buf.String()
+}
+
+// feedExtractor 将单个字符喂给 fieldExt，提取结果写入 buf。
+func (f *streamFilter) feedExtractor(r rune) {
+	if text := f.fieldExt.Feed(string(r)); text != "" {
+		f.buf.WriteString(text)
+	}
+}
+
+// trackBraces 追踪 JSON 大括号深度，深度归零时切回文本模式。
+func (f *streamFilter) trackBraces(r rune) {
+	if f.escJSON {
+		f.escJSON = false
+		return
+	}
+	if f.inString {
+		switch r {
+		case '\\':
+			f.escJSON = true
+		case '"':
+			f.inString = false
+		}
+		return
+	}
+	switch r {
+	case '"':
+		f.inString = true
+	case '{':
+		f.braceDepth++
+	case '}':
+		f.braceDepth--
+		if f.braceDepth <= 0 {
+			f.mode = filterText
+		}
+	}
+}
+
+// Reset 重置状态。
+func (f *streamFilter) Reset() {
+	f.mode = filterText
+	f.braceDepth = 0
+	f.inString = false
+	f.escJSON = false
+	f.thinking = false
+	f.fieldExt.Reset()
+}

app/stream_extract_test.go

@@ -0,0 +1,194 @@
+package app
+
+import "testing"
+
+// --- jsonFieldExtractor tests ---
+
+func TestFieldExtractor_SingleFeed(t *testing.T) {
+	e := newFieldExtractor("content")
+	got := e.Feed(`{"chapter":1,"content":"hello world","mode":"write"}`)
+	if got != "hello world" {
+		t.Errorf("got %q, want %q", got, "hello world")
+	}
+}
+
+func TestFieldExtractor_CrossDelta(t *testing.T) {
+	e := newFieldExtractor("content")
+	var result string
+	for _, d := range []string{`{"chapter":1,"con`, `tent":"`, `第三章`, `\n\n夜幕低垂`, `","mode":"write"}`} {
+		result += e.Feed(d)
+	}
+	if want := "第三章\n\n夜幕低垂"; result != want {
+		t.Errorf("got %q, want %q", result, want)
+	}
+}
+
+func TestFieldExtractor_JSONEscape(t *testing.T) {
+	e := newFieldExtractor("content")
+	got := e.Feed(`{"content":"line1\nline2\t\"quoted\"\\end"}`)
+	if want := "line1\nline2\t\"quoted\"\\end"; got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}
+
+func TestFieldExtractor_NoTargetField(t *testing.T) {
+	e := newFieldExtractor("content")
+	got := e.Feed(`{"chapter":1,"summary":"test","characters":["A"]}`)
+	if got != "" {
+		t.Errorf("got %q, want empty", got)
+	}
+}
+
+func TestFieldExtractor_ColonWithSpace(t *testing.T) {
+	e := newFieldExtractor("content")
+	got := e.Feed(`{"content" : "spaced"}`)
+	if got != "spaced" {
+		t.Errorf("got %q, want %q", got, "spaced")
+	}
+}
+
+func TestFieldExtractor_Reset(t *testing.T) {
+	e := newFieldExtractor("content")
+	e.Feed(`{"content":"partial`)
+	e.Reset()
+	got := e.Feed(`{"content":"fresh"}`)
+	if got != "fresh" {
+		t.Errorf("got %q, want %q", got, "fresh")
+	}
+}
+
+func TestFieldExtractor_TaskField(t *testing.T) {
+	e := newFieldExtractor("task")
+	got := e.Feed(`{"agent":"writer","task":"写第1章。核心事件：林尘目睹斗法"}`)
+	if want := "写第1章。核心事件：林尘目睹斗法"; got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}
+
+func TestFieldExtractor_TaskCrossDelta(t *testing.T) {
+	e := newFieldExtractor("task")
+	var result string
+	for _, d := range []string{`{"agent":"writer","ta`, `sk":"写第`, `1章"}`, `extra`} {
+		result += e.Feed(d)
+	}
+	if want := "写第1章"; result != want {
+		t.Errorf("got %q, want %q", result, want)
+	}
+}
+
+func TestFieldExtractor_Chinese(t *testing.T) {
+	e := newFieldExtractor("content")
+	var result string
+	for _, d := range []string{`{"content":"`, `林远站在窗前，`, `望着远处的山峦。`, `"}`} {
+		result += e.Feed(d)
+	}
+	if want := "林远站在窗前，望着远处的山峦。"; result != want {
+		t.Errorf("got %q, want %q", result, want)
+	}
+}
+
+// --- streamFilter tests ---
+
+func TestStreamFilter_TextPassthrough(t *testing.T) {
+	f := newStreamFilter("content")
+	got := f.Feed("好的，我来加载上下文信息。")
+	if want := ThinkingSep + "好的，我来加载上下文信息。"; got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}
+
+func TestStreamFilter_JSONExtractContent(t *testing.T) {
+	f := newStreamFilter("content")
+	got := f.Feed(`{"chapter":1,"content":"第一章 晨曦","mode":"write"}`)
+	if want := "第一章 晨曦"; got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}
+
+func TestStreamFilter_JSONNoContent(t *testing.T) {
+	f := newStreamFilter("content")
+	got := f.Feed(`{"chapter":1,"title":"暗流","goal":"揭示线索"}`)
+	if got != "" {
+		t.Errorf("got %q, want empty", got)
+	}
+}
+
+func TestStreamFilter_TextThenJSON(t *testing.T) {
+	f := newStreamFilter("content")
+	var result string
+	result += f.Feed("规划完成，开始写作。")
+	result += f.Feed(`{"chapter":1,"content":"正文","mode":"write"}`)
+	if want := ThinkingSep + "规划完成，开始写作。正文"; result != want {
+		t.Errorf("got %q, want %q", result, want)
+	}
+}
+
+func TestStreamFilter_JSONThenText(t *testing.T) {
+	f := newStreamFilter("content")
+	var result string
+	result += f.Feed(`{"chapter":1,"summary":"摘要"}`)
+	result += f.Feed("提交完成。")
+	if want := ThinkingSep + "提交完成。"; result != want {
+		t.Errorf("got %q, want %q", result, want)
+	}
+}
+
+func TestStreamFilter_CrossDeltaMixed(t *testing.T) {
+	f := newStreamFilter("content")
+	var result string
+	deltas := []string{
+		"好的，开始",
+		"写作。",
+		`{"chapter":1`,
+		`,"content":"`,
+		"第一章",
+		"\n\n正文",
+		`","mode":"write"}`,
+		"已写入。",
+	}
+	for _, d := range deltas {
+		result += f.Feed(d)
+	}
+	want := ThinkingSep + "好的，开始写作。第一章\n\n正文" + ThinkingSep + "已写入。"
+	if result != want {
+		t.Errorf("got %q, want %q", result, want)
+	}
+}
+
+func TestStreamFilter_NestedBraces(t *testing.T) {
+	f := newStreamFilter("content")
+	got := f.Feed(`{"summary":"摘要","foreshadow":[{"type":"plant"}]}`)
+	if got != "" {
+		t.Errorf("got %q, want empty (nested JSON should be fully consumed)", got)
+	}
+}
+
+func TestStreamFilter_BracesInString(t *testing.T) {
+	f := newStreamFilter("content")
+	got := f.Feed(`{"content":"文中有{大括号}和\"引号\""}后续文本`)
+	want := "文中有{大括号}和\"引号\"" + ThinkingSep + "后续文本"
+	if got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}
+
+func TestStreamFilter_Reset(t *testing.T) {
+	f := newStreamFilter("content")
+	f.Feed(`{"content":"半截`)
+	f.Reset()
+	got := f.Feed("重新开始")
+	if want := ThinkingSep + "重新开始"; got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}
+
+func TestStreamFilter_ThinkingMarkerOnce(t *testing.T) {
+	// 连续文本只在段首插入一次标记
+	f := newStreamFilter("content")
+	var result string
+	result += f.Feed("好的")
+	result += f.Feed("，继续")
+	if want := ThinkingSep + "好的，继续"; result != want {
+		t.Errorf("got %q, want %q", result, want)
+	}
+}

main.go

@@ -66,7 +66,7 @@ func buildConfig(style string) app.Config {
 		Provider:  provider,
 		APIKey:    apiKey,
 		BaseURL:   baseURL,
-		ModelName: "openrouter/hunter-alpha",
+		ModelName: "stepfun/step-3.5-flash:free",
 		Style:     style,
 	}
 	return cfg

tui/ask_user.go

@@ -257,7 +257,7 @@ func renderAskUserModal(width, height int, state *askUserState) string {
 		Border(baseBorder).
 		BorderForeground(colorAccent).
 		Padding(1, 2).
-		Background(lipgloss.Color("#1b1712")).
+		Background(lipgloss.Color("#2a2520")).
 		Render(b.String())
 
 	return lipgloss.Place(width, height, lipgloss.Center, lipgloss.Center, box)

tui/panels.go

@@ -202,12 +202,8 @@ func renderEventFlowViewport(vp viewport.Model, width, height int, focused bool)
 
 // renderStreamPanel 渲染流式输出面板（中间列下半部分）。
 func renderStreamPanel(vp viewport.Model, width, height int, focused bool) string {
-	// 分隔标题栏
-	titleColor := colorDim
-	if focused {
-		titleColor = colorAccent
-	}
-	title := lipgloss.NewStyle().Foreground(titleColor).Render("✦ 生成内容")
+	// 分隔标题栏（始终醒目）
+	title := lipgloss.NewStyle().Foreground(colorAccent).Bold(focused).Render("✦ 实时输出")
 	lineW := width - lipgloss.Width(title) - 4
 	if lineW < 0 {
 		lineW = 0
@@ -229,48 +225,94 @@ func renderStreamPanel(vp viewport.Model, width, height int, focused bool) strin
 	return header + "\n" + vpStyle.Render(vp.View())
 }
 
-// renderStreamContent 将流式输出按轮次渲染为分块内容，避免长段直接拼接导致错乱。
+// renderStreamContent 将流式输出按轮次渲染为语义分块。
+// Agent 调度块（以 ▸ 开头）用 accent 标题 + dim 指令；正文块用标准文本色。
 func renderStreamContent(rounds []string, width int) string {
 	if width < 24 {
 		width = 24
 	}
 
 	var blocks []string
-	displayIndex := 0
-	for i, round := range rounds {
+	for _, round := range rounds {
 		text := strings.TrimSpace(round)
 		if text == "" {
 			continue
 		}
-		displayIndex++
-		blocks = append(blocks, renderStreamBlock(displayIndex, text, width, i == len(rounds)-1))
+		if strings.HasPrefix(text, "▸") {
+			blocks = append(blocks, renderAgentBlock(text, width))
+		} else {
+			blocks = append(blocks, renderChapterBlock(text, width))
+		}
 	}
 	return strings.Join(blocks, "\n\n")
 }
 
-func renderStreamBlock(index int, text string, width int, active bool) string {
-	headerStyle := lipgloss.NewStyle().Foreground(colorDim)
-	bodyStyle := lipgloss.NewStyle().Foreground(colorText)
-	dividerColor := colorDim
-	if active {
-		headerStyle = lipgloss.NewStyle().Foreground(colorAccent).Bold(true)
-		dividerColor = colorAccent
-	}
+// renderAgentBlock 渲染 Agent 调度块：标题 + 分隔线 + 任务指令。
+func renderAgentBlock(text string, width int) string {
+	headerLine, body, _ := strings.Cut(text, "\n")
 
-	header := headerStyle.Render(fmt.Sprintf("◆ 第 %d 段", index))
-	divider := lipgloss.NewStyle().Foreground(dividerColor).Render(strings.Repeat("─", max(8, width)))
-	lines := wrapStreamText(text, max(16, width-4))
+	// 标题行 + 分隔线
+	titleW := lipgloss.Width(headerLine)
+	lineW := max(0, width-titleW-1)
+	header := lipgloss.NewStyle().Foreground(colorAccent).Bold(true).Render(headerLine) +
+		" " + lipgloss.NewStyle().Foreground(colorDim).Render(strings.Repeat("─", lineW))
 
 	var b strings.Builder
 	b.WriteString(header)
-	b.WriteString("\n")
-	b.WriteString(divider)
-	b.WriteString("\n")
-	for i, line := range lines {
-		if i > 0 {
-			b.WriteString("\n")
+
+	// 任务指令：dim 色，缩进 2 格
+	body = strings.TrimSpace(body)
+	if body != "" {
+		taskStyle := lipgloss.NewStyle().Foreground(colorMuted)
+		lines := wrapStreamText(body, max(16, width-6))
+		b.WriteString("\n")
+		for i, line := range lines {
+			if i > 0 {
+				b.WriteString("\n")
+			}
+			b.WriteString(taskStyle.Render("  " + line))
+		}
+	}
+	return b.String()
+}
+
+// renderChapterBlock 渲染正文块，自动区分思考内容和章节正文。
+// 思考内容（ThinkingSep 标记的段落）用淡色斜体，正文用标准文本色。
+func renderChapterBlock(text string, width int) string {
+	contentStyle := lipgloss.NewStyle().Foreground(colorText)
+	thinkStyle := lipgloss.NewStyle().Foreground(colorDim).Italic(true)
+	wrapW := max(16, width-4)
+
+	// 按 ThinkingSep 分割：奇数段是思考，偶数段是正文
+	// 格式：[正文] \x02 [思考] [正文] \x02 [思考] ...
+	parts := strings.Split(text, app.ThinkingSep)
+
+	var b strings.Builder
+	for i, part := range parts {
+		part = strings.TrimRight(part, " ")
+		if part == "" {
+			continue
+		}
+		isThinking := i > 0 && i%2 != 0 // ThinkingSep 之后的奇数段是思考
+		// 如果整段都是思考标记开头（第一个 part 之前无正文），调整判断
+		if i == 0 && part == "" {
+			continue
+		}
+
+		style := contentStyle
+		if isThinking {
+			style = thinkStyle
+		}
+
+		lines := wrapStreamText(part, wrapW)
+		for j, line := range lines {
+			if b.Len() > 0 && j == 0 {
+				b.WriteString("\n")
+			} else if j > 0 {
+				b.WriteString("\n")
+			}
+			b.WriteString(style.Render(line))
 		}
-		b.WriteString(bodyStyle.Render(line))
 	}
 	return b.String()
 }

tui/theme.go

@@ -6,6 +6,7 @@ import "github.com/charmbracelet/lipgloss"
 var (
 	colorText    = lipgloss.Color("#e0d8c8")
 	colorDim     = lipgloss.Color("#666666")
+	colorMuted   = lipgloss.Color("#a09880") // 柔和但可读（介于 dim 和 text 之间）
 	colorAccent  = lipgloss.Color("#d4a017") // 琥珀黄
 	colorSuccess = lipgloss.Color("#2ecc71") // 冷绿
 	colorError   = lipgloss.Color("#e74c3c") // 朱红