diff --git a/doc/todo.md b/doc/todo.md
index 873350b..984d9c9 100644
--- a/doc/todo.md
+++ b/doc/todo.md
@@ -1,9 +1,7 @@
 需求输入和展示，多行，复杂需求，界面不够优化，输入框不够大。
 
-Agent runtime 重构：统一 ProjectState + 单写者模型、context 压缩、plan-centric 反馈处理（详见 doc/context.md）
+❯ 在前端，计划和日志，每一个条目，都应有一个小小的comment按钮，按一下，直接快速引用，然后输入docus到反馈输入那里，表示要评论的是这  
+  个地方。这样llm也知道用户具体在指啥。 同时，允许多处引用，再点一个其他的comment按钮，就引用两处，等等。按钮做的不要太眨眼间，比
+  如用hover显示或者就是小一点不占地方，但要ui意图清晰易用。 
 
-template
-
----
 时间观察app
----
diff --git a/src/agent.rs b/src/agent.rs
index 3d7398a..c9d52ce 100644
--- a/src/agent.rs
+++ b/src/agent.rs
@@ -33,6 +33,7 @@ pub enum WsMessage {
     RequirementUpdate { workflow_id: String, requirement: String },
     ReportReady { workflow_id: String },
     ProjectUpdate { project_id: String, name: String },
+    LlmCallLog { workflow_id: String, entry: crate::db::LlmCallLogEntry },
     Error { message: String },
 }
 
@@ -45,7 +46,7 @@ pub struct PlanStepInfo {
     pub status: Option<String>,
 }
 
-fn plan_infos_from_state(state: &AgentState) -> Vec<PlanStepInfo> {
+pub fn plan_infos_from_state(state: &AgentState) -> Vec<PlanStepInfo> {
     state.steps.iter().map(|s| {
         let status = match s.status {
             StepStatus::Pending => "pending",
@@ -832,6 +833,61 @@ async fn log_execution(
     });
 }
 
+/// Log an LLM call to llm_call_log and broadcast to frontend.
+#[allow(clippy::too_many_arguments)]
+async fn log_llm_call(
+    pool: &SqlitePool,
+    broadcast_tx: &broadcast::Sender<WsMessage>,
+    workflow_id: &str,
+    step_order: i32,
+    phase: &str,
+    messages_count: i32,
+    tools_count: i32,
+    tool_calls_json: &str,
+    text_response: &str,
+    prompt_tokens: Option<u32>,
+    completion_tokens: Option<u32>,
+    latency_ms: i64,
+) {
+    let id = uuid::Uuid::new_v4().to_string();
+    let _ = sqlx::query(
+        "INSERT INTO llm_call_log (id, workflow_id, step_order, phase, messages_count, tools_count, tool_calls, text_response, prompt_tokens, completion_tokens, latency_ms, created_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, datetime('now'))"
+    )
+    .bind(&id)
+    .bind(workflow_id)
+    .bind(step_order)
+    .bind(phase)
+    .bind(messages_count)
+    .bind(tools_count)
+    .bind(tool_calls_json)
+    .bind(text_response)
+    .bind(prompt_tokens.map(|v| v as i32))
+    .bind(completion_tokens.map(|v| v as i32))
+    .bind(latency_ms as i32)
+    .execute(pool)
+    .await;
+
+    let entry = crate::db::LlmCallLogEntry {
+        id: id.clone(),
+        workflow_id: workflow_id.to_string(),
+        step_order,
+        phase: phase.to_string(),
+        messages_count,
+        tools_count,
+        tool_calls: tool_calls_json.to_string(),
+        text_response: text_response.to_string(),
+        prompt_tokens: prompt_tokens.map(|v| v as i32),
+        completion_tokens: completion_tokens.map(|v| v as i32),
+        latency_ms: latency_ms as i32,
+        created_at: String::new(),
+    };
+
+    let _ = broadcast_tx.send(WsMessage::LlmCallLog {
+        workflow_id: workflow_id.to_string(),
+        entry,
+    });
+}
+
 /// Process user feedback: call LLM to decide whether to revise the plan.
 /// Returns the (possibly modified) AgentState ready for resumed execution.
 async fn process_feedback(
@@ -952,8 +1008,16 @@ async fn run_agent_loop(
             AgentPhase::Completed => break,
         };
         let messages = state.build_messages(&system_prompt, requirement);
+        let msg_count = messages.len() as i32;
+        let tool_count = tools.len() as i32;
+        let phase_label = match &state.phase {
+            AgentPhase::Planning => "planning".to_string(),
+            AgentPhase::Executing { step } => format!("executing({})", step),
+            AgentPhase::Completed => "completed".to_string(),
+        };
 
         tracing::info!("[workflow {}] LLM call #{} phase={:?} msgs={}", workflow_id, iteration + 1, state.phase, messages.len());
+        let call_start = std::time::Instant::now();
         let response = match llm.chat_with_tools(messages, tools).await {
             Ok(r) => r,
             Err(e) => {
@@ -961,6 +1025,11 @@ async fn run_agent_loop(
                 return Err(e);
             }
         };
+        let latency_ms = call_start.elapsed().as_millis() as i64;
+
+        let (prompt_tokens, completion_tokens) = response.usage.as_ref()
+            .map(|u| (Some(u.prompt_tokens), Some(u.completion_tokens)))
+            .unwrap_or((None, None));
 
         let choice = response.choices.into_iter().next()
             .ok_or_else(|| anyhow::anyhow!("No response from LLM"))?;
@@ -968,6 +1037,9 @@ async fn run_agent_loop(
         // Add assistant message to chat history
         state.current_step_chat_history.push(choice.message.clone());
 
+        // Collect text_response for logging
+        let llm_text_response = choice.message.content.clone().unwrap_or_default();
+
         if let Some(tool_calls) = &choice.message.tool_calls {
             tracing::info!("[workflow {}] Tool calls: {}", workflow_id,
                 tool_calls.iter().map(|tc| tc.function.name.as_str()).collect::<Vec<_>>().join(", "));
@@ -1184,6 +1256,22 @@ async fn run_agent_loop(
                 }
             }
 
+            // Build tool_calls JSON for LLM call log
+            let tc_json: Vec<serde_json::Value> = tool_calls.iter().map(|tc| {
+                serde_json::json!({
+                    "name": tc.function.name,
+                    "arguments_preview": truncate_str(&tc.function.arguments, 200),
+                })
+            }).collect();
+            let tc_json_str = serde_json::to_string(&tc_json).unwrap_or_else(|_| "[]".to_string());
+
+            log_llm_call(
+                pool, broadcast_tx, workflow_id, state.current_step(),
+                &phase_label, msg_count, tool_count,
+                &tc_json_str, &llm_text_response,
+                prompt_tokens, completion_tokens, latency_ms,
+            ).await;
+
             if phase_transition {
                 continue;
             }
@@ -1195,6 +1283,13 @@ async fn run_agent_loop(
             // Log text response to execution_log for frontend display
             log_execution(pool, broadcast_tx, workflow_id, state.current_step(), "text_response", "", content, "done").await;
 
+            log_llm_call(
+                pool, broadcast_tx, workflow_id, state.current_step(),
+                &phase_label, msg_count, tool_count,
+                "[]", content,
+                prompt_tokens, completion_tokens, latency_ms,
+            ).await;
+
             // Text response does NOT end the workflow. Only advance_step progresses.
             // In Planning phase, LLM may be thinking before calling update_plan — just continue.
         }
diff --git a/src/api/workflows.rs b/src/api/workflows.rs
index 13ca917..13fe1a0 100644
--- a/src/api/workflows.rs
+++ b/src/api/workflows.rs
@@ -8,8 +8,9 @@ use axum::{
 };
 use serde::Deserialize;
 use crate::AppState;
-use crate::agent::AgentEvent;
-use crate::db::{Workflow, ExecutionLogEntry, Comment};
+use crate::agent::{AgentEvent, PlanStepInfo};
+use crate::db::{Workflow, ExecutionLogEntry, Comment, LlmCallLogEntry};
+use crate::state::AgentState;
 use super::{ApiResult, db_err};
 
 #[derive(serde::Serialize)]
@@ -33,6 +34,8 @@ pub fn router(state: Arc<AppState>) -> Router {
         .route("/workflows/{id}/steps", get(list_steps))
         .route("/workflows/{id}/comments", get(list_comments).post(create_comment))
         .route("/workflows/{id}/report", get(get_report))
+        .route("/workflows/{id}/plan", get(get_plan))
+        .route("/workflows/{id}/llm-calls", get(list_llm_calls))
         .with_state(state)
 }
 
@@ -153,3 +156,38 @@ async fn get_report(
         None => Err((StatusCode::NOT_FOUND, "Workflow not found").into_response()),
     }
 }
+
+async fn get_plan(
+    State(state): State<Arc<AppState>>,
+    Path(workflow_id): Path<String>,
+) -> ApiResult<Vec<PlanStepInfo>> {
+    let snapshot_json: Option<String> = sqlx::query_scalar(
+        "SELECT state_json FROM agent_state_snapshots WHERE workflow_id = ? ORDER BY created_at DESC LIMIT 1"
+    )
+    .bind(&workflow_id)
+    .fetch_optional(&state.db.pool)
+    .await
+    .map_err(db_err)?;
+
+    if let Some(json) = snapshot_json {
+        if let Ok(agent_state) = serde_json::from_str::<AgentState>(&json) {
+            return Ok(Json(crate::agent::plan_infos_from_state(&agent_state)));
+        }
+    }
+
+    Ok(Json(vec![]))
+}
+
+async fn list_llm_calls(
+    State(state): State<Arc<AppState>>,
+    Path(workflow_id): Path<String>,
+) -> ApiResult<Vec<LlmCallLogEntry>> {
+    sqlx::query_as::<_, LlmCallLogEntry>(
+        "SELECT * FROM llm_call_log WHERE workflow_id = ? ORDER BY created_at"
+    )
+    .bind(&workflow_id)
+    .fetch_all(&state.db.pool)
+    .await
+    .map(Json)
+    .map_err(db_err)
+}
diff --git a/src/db.rs b/src/db.rs
index 1bb91b1..db8686d 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -158,6 +158,32 @@ impl Database {
         .execute(&self.pool)
         .await?;
 
+        sqlx::query(
+            "CREATE TABLE IF NOT EXISTS llm_call_log (
+                id TEXT PRIMARY KEY,
+                workflow_id TEXT NOT NULL REFERENCES workflows(id),
+                step_order INTEGER NOT NULL,
+                phase TEXT NOT NULL,
+                messages_count INTEGER NOT NULL,
+                tools_count INTEGER NOT NULL,
+                tool_calls TEXT NOT NULL DEFAULT '[]',
+                text_response TEXT NOT NULL DEFAULT '',
+                prompt_tokens INTEGER,
+                completion_tokens INTEGER,
+                latency_ms INTEGER NOT NULL,
+                created_at TEXT NOT NULL DEFAULT (datetime('now'))
+            )"
+        )
+        .execute(&self.pool)
+        .await?;
+
+        // Migration: add text_response column to llm_call_log
+        let _ = sqlx::query(
+            "ALTER TABLE llm_call_log ADD COLUMN text_response TEXT NOT NULL DEFAULT ''"
+        )
+        .execute(&self.pool)
+        .await;
+
         sqlx::query(
             "CREATE TABLE IF NOT EXISTS timers (
                 id TEXT PRIMARY KEY,
@@ -237,3 +263,19 @@ pub struct Timer {
     pub last_run_at: String,
     pub created_at: String,
 }
+
+#[derive(Debug, Clone, Serialize, Deserialize, sqlx::FromRow)]
+pub struct LlmCallLogEntry {
+    pub id: String,
+    pub workflow_id: String,
+    pub step_order: i32,
+    pub phase: String,
+    pub messages_count: i32,
+    pub tools_count: i32,
+    pub tool_calls: String,
+    pub text_response: String,
+    pub prompt_tokens: Option<i32>,
+    pub completion_tokens: Option<i32>,
+    pub latency_ms: i32,
+    pub created_at: String,
+}
diff --git a/src/llm.rs b/src/llm.rs
index e99ce08..a52094f 100644
--- a/src/llm.rs
+++ b/src/llm.rs
@@ -67,9 +67,20 @@ pub struct ToolCallFunction {
     pub arguments: String,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Usage {
+    #[serde(default)]
+    pub prompt_tokens: u32,
+    #[serde(default)]
+    pub completion_tokens: u32,
+    #[serde(default)]
+    pub total_tokens: u32,
+}
+
 #[derive(Debug, Deserialize)]
 pub struct ChatResponse {
     pub choices: Vec<ChatChoice>,
+    pub usage: Option<Usage>,
 }
 
 #[derive(Debug, Deserialize)]
diff --git a/src/main.rs b/src/main.rs
index c5bb03a..dc31981 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,7 @@ mod db;
 mod kb;
 mod llm;
 mod exec;
-mod state;
+pub mod state;
 mod timer;
 mod ws;
 
diff --git a/web/src/api.ts b/web/src/api.ts
index 6f9e11c..02c620b 100644
--- a/web/src/api.ts
+++ b/web/src/api.ts
@@ -1,4 +1,4 @@
-import type { Project, Workflow, ExecutionLogEntry, Comment, Timer, KbArticle, KbArticleSummary } from './types'
+import type { Project, Workflow, ExecutionLogEntry, Comment, Timer, KbArticle, KbArticleSummary, PlanStepInfo, LlmCallLogEntry } from './types'
 
 const BASE = '/api'
 
@@ -58,6 +58,12 @@ export const api = {
   getReport: (workflowId: string) =>
     request<{ report: string }>(`/workflows/${workflowId}/report`),
 
+  listPlanSteps: (workflowId: string) =>
+    request<PlanStepInfo[]>(`/workflows/${workflowId}/plan`),
+
+  listLlmCalls: (workflowId: string) =>
+    request<LlmCallLogEntry[]>(`/workflows/${workflowId}/llm-calls`),
+
   listTimers: (projectId: string) =>
     request<Timer[]>(`/projects/${projectId}/timers`),
 
diff --git a/web/src/components/CommentSection.vue b/web/src/components/CommentSection.vue
index 3052200..086c7aa 100644
--- a/web/src/components/CommentSection.vue
+++ b/web/src/components/CommentSection.vue
@@ -1,21 +1,35 @@
 <script setup lang="ts">
-import { ref } from 'vue'
+import { ref, nextTick } from 'vue'
 
 const props = defineProps<{
   disabled?: boolean
+  quotes: string[]
 }>()
 
 const emit = defineEmits<{
   submit: [text: string]
+  removeQuote: [index: number]
 }>()
 
 const input = ref('')
+const textareaRef = ref<HTMLTextAreaElement | null>(null)
 
 function submit() {
   if (props.disabled) return
   const text = input.value.trim()
-  if (!text) return
-  emit('submit', text)
+  if (!text && !props.quotes.length) return
+
+  // Build final text: quotes as block references, then user text
+  let final = ''
+  for (const q of props.quotes) {
+    final += `> ${q}\n`
+  }
+  if (props.quotes.length && text) {
+    final += '\n'
+  }
+  final += text
+
+  emit('submit', final.trim())
   input.value = ''
 }
 
@@ -25,18 +39,33 @@ function onKeydown(e: KeyboardEvent) {
     submit()
   }
 }
+
+function focusInput() {
+  nextTick(() => {
+    textareaRef.value?.focus()
+  })
+}
+
+defineExpose({ focusInput })
 </script>
 
 <template>
   <div class="comment-section">
+    <div v-if="quotes.length" class="quotes-bar">
+      <div v-for="(q, i) in quotes" :key="i" class="quote-chip">
+        <span class="quote-text">{{ q.length > 60 ? q.slice(0, 60) + '...' : q }}</span>
+        <button class="quote-remove" @click="emit('removeQuote', i)" title="移除引用">&times;</button>
+      </div>
+    </div>
     <div class="comment-input">
       <textarea
+        ref="textareaRef"
         v-model="input"
-        placeholder="输入反馈或调整指令... (Ctrl+Enter 发送)"
+        :placeholder="quotes.length ? '添加你的评论...' : '输入反馈或调整指令... (Ctrl+Enter 发送)'"
         rows="3"
         @keydown="onKeydown"
       />
-      <button class="btn-send" :disabled="disabled || !input.trim()" @click="submit">发送</button>
+      <button class="btn-send" :disabled="disabled || (!input.trim() && !quotes.length)" @click="submit">发送</button>
     </div>
   </div>
 </template>
@@ -49,6 +78,53 @@ function onKeydown(e: KeyboardEvent) {
   overflow: hidden;
 }
 
+.quotes-bar {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px;
+  padding: 8px 12px 0;
+}
+
+.quote-chip {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  max-width: 100%;
+  padding: 3px 8px;
+  background: rgba(79, 195, 247, 0.12);
+  border: 1px solid rgba(79, 195, 247, 0.3);
+  border-radius: 4px;
+  font-size: 11px;
+  line-height: 1.3;
+}
+
+.quote-text {
+  color: var(--text-secondary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.quote-remove {
+  flex-shrink: 0;
+  width: 16px;
+  height: 16px;
+  padding: 0;
+  border: none;
+  background: none;
+  color: var(--text-secondary);
+  font-size: 14px;
+  line-height: 16px;
+  cursor: pointer;
+  border-radius: 3px;
+  opacity: 0.6;
+}
+
+.quote-remove:hover {
+  opacity: 1;
+  background: rgba(255, 255, 255, 0.1);
+}
+
 .comment-input {
   display: flex;
   gap: 8px;
diff --git a/web/src/components/ExecutionSection.vue b/web/src/components/ExecutionSection.vue
index cd6c0fb..ce95ac4 100644
--- a/web/src/components/ExecutionSection.vue
+++ b/web/src/components/ExecutionSection.vue
@@ -1,18 +1,41 @@
 <script setup lang="ts">
 import { ref, computed, watch, nextTick } from 'vue'
-import type { ExecutionLogEntry, Comment } from '../types'
+import type { ExecutionLogEntry, Comment, LlmCallLogEntry } from '../types'
 
 const props = defineProps<{
   entries: ExecutionLogEntry[]
   comments: Comment[]
+  llmCalls: LlmCallLogEntry[]
   requirement: string
   createdAt: string
   workflowStatus: string
   workflowId: string
 }>()
 
+const emit = defineEmits<{
+  quote: [text: string]
+}>()
+
+function quoteEntry(e: Event, entry: ExecutionLogEntry) {
+  e.stopPropagation()
+  const label = toolLabel(entry.tool_name)
+  const preview = entry.tool_name === 'text_response'
+    ? entry.output.slice(0, 80)
+    : entry.tool_input.slice(0, 80)
+  emit('quote', `[${label}] ${preview}`)
+}
+
+function quoteLlmCall(e: Event, lc: LlmCallLogEntry) {
+  e.stopPropagation()
+  const preview = lc.text_response
+    ? lc.text_response.slice(0, 80)
+    : `${lc.phase} (${lc.messages_count} msgs)`
+  emit('quote', `[LLM] ${preview}`)
+}
+
 const scrollContainer = ref<HTMLElement | null>(null)
 const userScrolledUp = ref(false)
+const detailedMode = ref(false)
 
 function onScroll() {
   const el = scrollContainer.value
@@ -60,11 +83,31 @@ function toolLabel(name: string): string {
   }
 }
 
+function formatTokens(n: number | null): string {
+  if (n === null || n === undefined) return '-'
+  if (n >= 1000) return (n / 1000).toFixed(1) + 'k'
+  return n.toString()
+}
+
+function formatLatency(ms: number): string {
+  if (ms >= 1000) return (ms / 1000).toFixed(1) + 's'
+  return ms + 'ms'
+}
+
+function parseToolCalls(json: string): { name: string; arguments_preview: string }[] {
+  try {
+    return JSON.parse(json)
+  } catch {
+    return []
+  }
+}
+
 interface LogItem {
   id: string
-  type: 'requirement' | 'entry' | 'comment' | 'report'
+  type: 'requirement' | 'entry' | 'comment' | 'report' | 'llm-call'
   time: string
   entry?: ExecutionLogEntry
+  llmCall?: LlmCallLogEntry
   text?: string
 }
 
@@ -83,6 +126,12 @@ const logItems = computed(() => {
     items.push({ id: c.id, type: 'comment', text: c.content, time: c.created_at })
   }
 
+  if (detailedMode.value) {
+    for (const lc of props.llmCalls) {
+      items.push({ id: 'llm-' + lc.id, type: 'llm-call', llmCall: lc, time: lc.created_at || '' })
+    }
+  }
+
   items.sort((a, b) => {
     if (!a.time && !b.time) return 0
     if (!a.time) return -1
@@ -94,7 +143,7 @@ const logItems = computed(() => {
     const result: LogItem[] = []
     let lastWasEntry = false
     for (const item of items) {
-      if (item.type === 'entry') {
+      if (item.type === 'entry' || item.type === 'llm-call') {
         lastWasEntry = true
       } else if (lastWasEntry && (item.type === 'comment' || item.type === 'requirement')) {
         result.push({ id: `report-${result.length}`, type: 'report', time: '' })
@@ -126,6 +175,10 @@ watch(logItems, () => {
   <div class="execution-section" ref="scrollContainer" @scroll="onScroll">
     <div class="section-header">
       <h2>日志</h2>
+      <label class="detail-toggle">
+        <input type="checkbox" v-model="detailedMode" />
+        <span>详细</span>
+      </label>
     </div>
     <div class="exec-list">
       <template v-for="item in logItems" :key="item.id">
@@ -141,6 +194,30 @@ watch(logItems, () => {
           <a :href="'/report/' + workflowId" class="report-link" target="_blank">查看报告 →</a>
         </div>
 
+        <!-- LLM Call card (detailed mode) -->
+        <div v-else-if="item.type === 'llm-call' && item.llmCall" class="llm-call-card" @click="toggleEntry(item.id)">
+          <div class="llm-call-header">
+            <span class="exec-time" v-if="item.time">{{ formatTime(item.time) }}</span>
+            <span class="llm-badge">LLM</span>
+            <span class="llm-phase">{{ item.llmCall.phase }}</span>
+            <span class="llm-meta">{{ item.llmCall.messages_count }} msgs</span>
+            <span class="llm-meta">{{ formatTokens(item.llmCall.prompt_tokens) }} → {{ formatTokens(item.llmCall.completion_tokens) }}</span>
+            <span class="llm-meta">{{ formatLatency(item.llmCall.latency_ms) }}</span>
+            <button class="quote-btn" @click="quoteLlmCall($event, item.llmCall!)" title="引用到反馈">
+              <svg width="12" height="12" viewBox="0 0 16 16" fill="currentColor"><path d="M6.32 3.2A5.6 5.6 0 0 0 1.6 8.8v3.6h3.6a2.4 2.4 0 0 0 2.4-2.4 2.4 2.4 0 0 0-2.4-2.4H3.84A3.36 3.36 0 0 1 6.32 3.2ZM14.4 3.2A5.6 5.6 0 0 0 9.68 8.8v3.6h3.6a2.4 2.4 0 0 0 2.4-2.4 2.4 2.4 0 0 0-2.4-2.4h-1.36A3.36 3.36 0 0 1 14.4 3.2Z"/></svg>
+            </button>
+          </div>
+          <div v-if="item.llmCall.text_response" class="llm-text-response">
+            {{ item.llmCall.text_response.length > 200 ? item.llmCall.text_response.slice(0, 200) + '...' : item.llmCall.text_response }}
+          </div>
+          <div v-if="expandedEntries.has(item.id)" class="llm-call-detail">
+            <div v-for="(tc, i) in parseToolCalls(item.llmCall.tool_calls)" :key="i" class="llm-tc-item">
+              <span class="llm-tc-name">{{ tc.name }}</span>
+              <span class="llm-tc-args">{{ tc.arguments_preview }}</span>
+            </div>
+          </div>
+        </div>
+
         <!-- Execution log entry -->
         <div v-else-if="item.entry" class="exec-item" :class="item.entry.status">
           <div class="exec-header" @click="toggleEntry(item.entry!.id)">
@@ -149,6 +226,9 @@ watch(logItems, () => {
             <span class="exec-toggle">{{ expandedEntries.has(item.entry!.id) ? '▾' : '▸' }}</span>
             <span class="exec-tool">{{ toolLabel(item.entry.tool_name) }}</span>
             <span class="exec-desc">{{ item.entry.tool_name === 'text_response' ? item.entry.output.slice(0, 80) : item.entry.tool_input.slice(0, 80) }}</span>
+            <button class="quote-btn" @click="quoteEntry($event, item.entry!)" title="引用到反馈">
+              <svg width="12" height="12" viewBox="0 0 16 16" fill="currentColor"><path d="M6.32 3.2A5.6 5.6 0 0 0 1.6 8.8v3.6h3.6a2.4 2.4 0 0 0 2.4-2.4 2.4 2.4 0 0 0-2.4-2.4H3.84A3.36 3.36 0 0 1 6.32 3.2ZM14.4 3.2A5.6 5.6 0 0 0 9.68 8.8v3.6h3.6a2.4 2.4 0 0 0 2.4-2.4 2.4 2.4 0 0 0-2.4-2.4h-1.36A3.36 3.36 0 0 1 14.4 3.2Z"/></svg>
+            </button>
             <span class="exec-status" :class="item.entry.status">{{ statusLabel(item.entry.status) }}</span>
           </div>
           <div v-if="expandedEntries.has(item.entry!.id)" class="exec-detail">
@@ -179,6 +259,9 @@ watch(logItems, () => {
 
 .section-header {
   margin-bottom: 12px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
 }
 
 .section-header h2 {
@@ -189,6 +272,20 @@ watch(logItems, () => {
   letter-spacing: 0.5px;
 }
 
+.detail-toggle {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 11px;
+  color: var(--text-secondary);
+  cursor: pointer;
+  user-select: none;
+}
+
+.detail-toggle input {
+  cursor: pointer;
+}
+
 .exec-list {
   display: flex;
   flex-direction: column;
@@ -280,6 +377,34 @@ watch(logItems, () => {
   white-space: nowrap;
 }
 
+.quote-btn {
+  flex-shrink: 0;
+  width: 22px;
+  height: 22px;
+  padding: 0;
+  border: none;
+  background: none;
+  color: var(--text-secondary);
+  border-radius: 4px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  transition: opacity 0.15s;
+}
+
+.exec-header:hover .quote-btn,
+.llm-call-header:hover .quote-btn {
+  opacity: 0.5;
+}
+
+.quote-btn:hover {
+  opacity: 1 !important;
+  background: rgba(79, 195, 247, 0.15);
+  color: var(--accent);
+}
+
 .exec-status {
   font-size: 11px;
   padding: 2px 8px;
@@ -345,4 +470,80 @@ watch(logItems, () => {
 .report-link:hover {
   text-decoration: underline;
 }
+
+/* LLM Call Card */
+.llm-call-card {
+  border-radius: 6px;
+  overflow: hidden;
+  background: var(--bg-secondary);
+  border-left: 3px solid var(--accent);
+  cursor: pointer;
+}
+
+.llm-call-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 10px;
+  font-size: 12px;
+}
+
+.llm-badge {
+  font-size: 10px;
+  font-weight: 700;
+  padding: 1px 6px;
+  border-radius: 8px;
+  background: var(--accent);
+  color: var(--bg-primary);
+  flex-shrink: 0;
+}
+
+.llm-phase {
+  font-weight: 600;
+  color: var(--text-secondary);
+  font-size: 11px;
+}
+
+.llm-meta {
+  font-family: 'JetBrains Mono', 'Fira Code', monospace;
+  font-size: 10px;
+  color: var(--text-secondary);
+  opacity: 0.8;
+}
+
+.llm-text-response {
+  padding: 4px 10px 6px;
+  font-size: 12px;
+  color: var(--text-primary);
+  opacity: 0.85;
+  line-height: 1.4;
+}
+
+.llm-call-detail {
+  border-top: 1px solid var(--border);
+  padding: 6px 10px;
+  background: var(--bg-tertiary);
+}
+
+.llm-tc-item {
+  display: flex;
+  gap: 8px;
+  padding: 2px 0;
+  font-size: 11px;
+}
+
+.llm-tc-name {
+  font-weight: 600;
+  color: var(--accent);
+  flex-shrink: 0;
+}
+
+.llm-tc-args {
+  color: var(--text-secondary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-family: 'JetBrains Mono', 'Fira Code', monospace;
+  font-size: 10px;
+}
 </style>
diff --git a/web/src/components/PlanSection.vue b/web/src/components/PlanSection.vue
index 620f8b8..d860dbb 100644
--- a/web/src/components/PlanSection.vue
+++ b/web/src/components/PlanSection.vue
@@ -6,6 +6,10 @@ defineProps<{
   steps: PlanStepInfo[]
 }>()
 
+const emit = defineEmits<{
+  quote: [text: string]
+}>()
+
 const expandedSteps = ref<Set<number>>(new Set())
 
 function toggleStep(order: number) {
@@ -24,6 +28,11 @@ function statusIcon(status?: string) {
     default: return '○'
   }
 }
+
+function quoteStep(e: Event, step: PlanStepInfo) {
+  e.stopPropagation()
+  emit('quote', `[步骤${step.order}] ${step.description}`)
+}
 </script>
 
 <template>
@@ -42,6 +51,9 @@ function statusIcon(status?: string) {
           <span class="step-icon">{{ statusIcon(step.status) }}</span>
           <span class="step-order">{{ step.order }}.</span>
           <span class="step-title">{{ step.description }}</span>
+          <button class="quote-btn" @click="quoteStep($event, step)" title="引用到反馈">
+            <svg width="12" height="12" viewBox="0 0 16 16" fill="currentColor"><path d="M6.32 3.2A5.6 5.6 0 0 0 1.6 8.8v3.6h3.6a2.4 2.4 0 0 0 2.4-2.4 2.4 2.4 0 0 0-2.4-2.4H3.84A3.36 3.36 0 0 1 6.32 3.2ZM14.4 3.2A5.6 5.6 0 0 0 9.68 8.8v3.6h3.6a2.4 2.4 0 0 0 2.4-2.4 2.4 2.4 0 0 0-2.4-2.4h-1.36A3.36 3.36 0 0 1 14.4 3.2Z"/></svg>
+          </button>
           <span v-if="step.command" class="step-toggle">{{ expandedSteps.has(step.order) ? '▾' : '▸' }}</span>
         </div>
         <div v-if="step.command && expandedSteps.has(step.order)" class="step-detail">
@@ -135,6 +147,33 @@ function statusIcon(status?: string) {
   flex: 1;
 }
 
+.quote-btn {
+  flex-shrink: 0;
+  width: 22px;
+  height: 22px;
+  padding: 0;
+  border: none;
+  background: none;
+  color: var(--text-secondary);
+  border-radius: 4px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  transition: opacity 0.15s;
+}
+
+.step-header:hover .quote-btn {
+  opacity: 0.5;
+}
+
+.quote-btn:hover {
+  opacity: 1 !important;
+  background: rgba(79, 195, 247, 0.15);
+  color: var(--accent);
+}
+
 .step-toggle {
   color: var(--text-secondary);
   font-size: 11px;
diff --git a/web/src/components/RequirementSection.vue b/web/src/components/RequirementSection.vue
index c4d23e7..a547973 100644
--- a/web/src/components/RequirementSection.vue
+++ b/web/src/components/RequirementSection.vue
@@ -37,14 +37,14 @@ function submit() {
       </span>
     </div>
     <div v-if="!editing && requirement" class="requirement-display">
-      <span>{{ requirement }}</span>
+      <pre class="requirement-text">{{ requirement }}</pre>
       <button class="btn-edit" @click="editing = true; input = requirement">编辑</button>
     </div>
     <div v-else class="requirement-input">
       <textarea
         v-model="input"
-        placeholder="描述你的需求..."
-        rows="3"
+        placeholder="描述你的需求... (支持多行，Ctrl+Enter 提交)"
+        rows="8"
         @keydown.ctrl.enter="submit"
       />
       <button class="btn-submit" @click="submit">提交需求</button>
@@ -89,7 +89,7 @@ function submit() {
 
 .requirement-display {
   display: flex;
-  align-items: baseline;
+  align-items: flex-start;
   justify-content: space-between;
   gap: 12px;
   font-size: 14px;
@@ -97,6 +97,18 @@ function submit() {
   color: var(--text-primary);
 }
 
+.requirement-text {
+  flex: 1;
+  margin: 0;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+  white-space: pre-wrap;
+  word-break: break-word;
+  max-height: 120px;
+  overflow-y: auto;
+}
+
 .btn-edit {
   flex-shrink: 0;
   padding: 4px 10px;
@@ -125,6 +137,10 @@ function submit() {
   border-radius: 6px;
   color: var(--text-primary);
   resize: vertical;
+  min-height: 120px;
+  max-height: 300px;
+  font-size: 14px;
+  line-height: 1.6;
 }
 
 .requirement-input textarea:focus {
diff --git a/web/src/components/WorkflowView.vue b/web/src/components/WorkflowView.vue
index 96f198e..9f7967b 100644
--- a/web/src/components/WorkflowView.vue
+++ b/web/src/components/WorkflowView.vue
@@ -7,7 +7,7 @@ import CommentSection from './CommentSection.vue'
 import TimerSection from './TimerSection.vue'
 import { api } from '../api'
 import { connectWs } from '../ws'
-import type { Workflow, ExecutionLogEntry, PlanStepInfo, Comment } from '../types'
+import type { Workflow, ExecutionLogEntry, PlanStepInfo, Comment, LlmCallLogEntry } from '../types'
 import type { WsMessage } from '../ws'
 
 const props = defineProps<{
@@ -22,8 +22,23 @@ const workflow = ref<Workflow | null>(null)
 const logEntries = ref<ExecutionLogEntry[]>([])
 const planSteps = ref<PlanStepInfo[]>([])
 const comments = ref<Comment[]>([])
+const llmCalls = ref<LlmCallLogEntry[]>([])
+const quotes = ref<string[]>([])
 const error = ref('')
 const rightTab = ref<'log' | 'timers'>('log')
+const commentRef = ref<InstanceType<typeof CommentSection> | null>(null)
+
+function addQuote(text: string) {
+  // Avoid duplicate
+  if (!quotes.value.includes(text)) {
+    quotes.value.push(text)
+  }
+  commentRef.value?.focusInput()
+}
+
+function removeQuote(index: number) {
+  quotes.value.splice(index, 1)
+}
 
 let wsConn: { close: () => void } | null = null
 
@@ -33,17 +48,22 @@ async function loadData() {
     const latest = workflows[0]
     if (latest) {
       workflow.value = latest
-      const [entries, c] = await Promise.all([
+      const [entries, c, plan, lc] = await Promise.all([
         api.listSteps(latest.id),
         api.listComments(latest.id),
+        api.listPlanSteps(latest.id),
+        api.listLlmCalls(latest.id),
       ])
       logEntries.value = entries
       comments.value = c
+      planSteps.value = plan
+      llmCalls.value = lc
     } else {
       workflow.value = null
       logEntries.value = []
       planSteps.value = []
       comments.value = []
+      llmCalls.value = []
     }
   } catch (e: any) {
     error.value = e.message
@@ -87,6 +107,11 @@ function handleWsMessage(msg: WsMessage) {
     case 'ProjectUpdate':
       emit('projectUpdate', msg.project_id, msg.name)
       break
+    case 'LlmCallLog':
+      if (workflow.value && msg.workflow_id === workflow.value.id) {
+        llmCalls.value = [...llmCalls.value, msg.entry]
+      }
+      break
     case 'Error':
       error.value = msg.message
       break
@@ -119,6 +144,7 @@ async function onSubmitRequirement(text: string) {
     logEntries.value = []
     planSteps.value = []
     comments.value = []
+    llmCalls.value = []
   } catch (e: any) {
     error.value = e.message
   }
@@ -129,6 +155,7 @@ async function onSubmitComment(text: string) {
   try {
     const comment = await api.createComment(workflow.value.id, text)
     comments.value.push(comment)
+    quotes.value = []
   } catch (e: any) {
     error.value = e.message
   }
@@ -144,7 +171,7 @@ async function onSubmitComment(text: string) {
       @submit="onSubmitRequirement"
     />
     <div class="plan-exec-row">
-      <PlanSection :steps="planSteps" />
+      <PlanSection :steps="planSteps" @quote="addQuote" />
       <div class="right-panel">
         <div class="tab-bar">
           <button class="tab-btn" :class="{ active: rightTab === 'log' }" @click="rightTab = 'log'">日志</button>
@@ -154,10 +181,12 @@ async function onSubmitComment(text: string) {
           v-show="rightTab === 'log'"
           :entries="logEntries"
           :comments="comments"
+          :llmCalls="llmCalls"
           :requirement="workflow?.requirement || ''"
           :createdAt="workflow?.created_at || ''"
           :workflowStatus="workflow?.status || 'pending'"
           :workflowId="workflow?.id || ''"
+          @quote="addQuote"
         />
         <TimerSection
           v-show="rightTab === 'timers'"
@@ -166,8 +195,11 @@ async function onSubmitComment(text: string) {
       </div>
     </div>
     <CommentSection
+      ref="commentRef"
       :disabled="!workflow"
+      :quotes="quotes"
       @submit="onSubmitComment"
+      @removeQuote="removeQuote"
     />
   </div>
 </template>
diff --git a/web/src/types.ts b/web/src/types.ts
index aad3bb9..08931e3 100644
--- a/web/src/types.ts
+++ b/web/src/types.ts
@@ -63,3 +63,18 @@ export interface Timer {
   last_run_at: string
   created_at: string
 }
+
+export interface LlmCallLogEntry {
+  id: string
+  workflow_id: string
+  step_order: number
+  phase: string
+  messages_count: number
+  tools_count: number
+  tool_calls: string
+  text_response: string
+  prompt_tokens: number | null
+  completion_tokens: number | null
+  latency_ms: number
+  created_at: string
+}
diff --git a/web/src/ws.ts b/web/src/ws.ts
index d211228..2195686 100644
--- a/web/src/ws.ts
+++ b/web/src/ws.ts
@@ -34,12 +34,18 @@ export interface WsProjectUpdate {
   name: string
 }
 
+export interface WsLlmCallLog {
+  type: 'LlmCallLog'
+  workflow_id: string
+  entry: import('./types').LlmCallLogEntry
+}
+
 export interface WsError {
   type: 'Error'
   message: string
 }
 
-export type WsMessage = WsPlanUpdate | WsStepStatusUpdate | WsWorkflowStatusUpdate | WsRequirementUpdate | WsReportReady | WsProjectUpdate | WsError
+export type WsMessage = WsPlanUpdate | WsStepStatusUpdate | WsWorkflowStatusUpdate | WsRequirementUpdate | WsReportReady | WsProjectUpdate | WsLlmCallLog | WsError
 
 export type WsHandler = (msg: WsMessage) => void