feat(perception): 智能感知模块 - event feed, SSE impact analysis, tab registration

frontend/src/App.tsx

@@ -5,11 +5,14 @@ import { CompliancePage } from './pages/Compliance';
 import { DocsPage } from './pages/Docs';
 import { StatusPage } from './pages/Status';
 import { RagChatPage } from './pages/RagChat';
+import { PerceptionPage } from './pages/Perception';
 
 const PageContent = () => {
   const { activeTab } = useApp();
 
   switch (activeTab) {
+    case 'perception':
+      return <PerceptionPage />;
     case 'docs':
       return <DocsPage />;
     case 'compliance':
@@ -19,7 +22,7 @@ const PageContent = () => {
     case 'rag':
       return <RagChatPage />;
     default:
-      return <CompliancePage />;
+      return <PerceptionPage />;
   }
 };
 

frontend/src/api/perception.ts

@@ -0,0 +1,128 @@
+const PERCEPTION_API_BASE = '/api/v1';
+
+export type ImpactLevel = 'high' | 'medium' | 'low';
+export type EventStatus = 'enacted' | 'draft' | 'consultation';
+export type EventSource = 'MIIT' | 'UN-ECE' | 'ISO' | '国标委' | 'EUR-Lex' | 'IATF';
+
+export interface RegulationEvent {
+  id: string;
+  source: EventSource;
+  source_label: string;
+  standard_code: string;
+  title: string;
+  summary: string;
+  impact_level: ImpactLevel;
+  published_at: string;
+  effective_at: string | null;
+  category: string;
+  tags: string[];
+  source_url: string;
+  status: EventStatus;
+}
+
+export interface PerceptionStats {
+  total: number;
+  high_impact: number;
+  medium_impact: number;
+  low_impact: number;
+  recent_90d: number;
+}
+
+export interface EventListResponse {
+  events: RegulationEvent[];
+  total: number;
+}
+
+export interface AffectedDoc {
+  doc_id: string;
+  doc_name: string;
+  score: number;
+  snippet: string;
+  clause: string;
+}
+
+export interface AnalysisSSEMessage {
+  type: 'sources' | 'content' | 'done' | 'error';
+  docs?: AffectedDoc[];
+  text?: string;
+}
+
+export async function getPerceptionStats(): Promise<PerceptionStats> {
+  const res = await fetch(`${PERCEPTION_API_BASE}/perception/stats`);
+  if (!res.ok) throw new Error(`stats failed: ${res.status}`);
+  return res.json() as Promise<PerceptionStats>;
+}
+
+export async function listEvents(params?: {
+  source?: string;
+  impact_level?: string;
+  limit?: number;
+}): Promise<EventListResponse> {
+  const query = new URLSearchParams();
+  if (params?.source) query.set('source', params.source);
+  if (params?.impact_level) query.set('impact_level', params.impact_level);
+  if (params?.limit) query.set('limit', String(params.limit));
+  const res = await fetch(`${PERCEPTION_API_BASE}/perception/events?${query.toString()}`);
+  if (!res.ok) throw new Error(`list events failed: ${res.status}`);
+  return res.json() as Promise<EventListResponse>;
+}
+
+export async function analyzeEvent(
+  eventId: string,
+  onMessage: (msg: AnalysisSSEMessage) => void,
+  onComplete?: () => void,
+  signal?: AbortSignal,
+): Promise<void> {
+  try {
+    const res = await fetch(`${PERCEPTION_API_BASE}/perception/events/${eventId}/analyze`, {
+      method: 'POST',
+      headers: { Accept: 'text/event-stream' },
+      signal,
+    });
+    if (!res.ok || !res.body) throw new Error(`analyze failed: ${res.status}`);
+
+    const reader = res.body.getReader();
+    const decoder = new TextDecoder();
+    let buffer = '';
+
+    while (true) {
+      const { done, value } = await reader.read();
+      if (done) break;
+      buffer += decoder.decode(value, { stream: true });
+      const parts = buffer.split('\n\n');
+      buffer = parts.pop() ?? '';
+      for (const block of parts) {
+        if (!block.trim()) continue;
+        let eventName = 'message';
+        const dataLines: string[] = [];
+        for (const line of block.split('\n')) {
+          if (line.startsWith('event:')) eventName = line.slice(6).trim();
+          else if (line.startsWith('data:')) dataLines.push(line.slice(5).trim());
+        }
+        const payload = dataLines.join('\n');
+        if (!payload) continue;
+
+        if (eventName === 'sources') {
+          try {
+            const docs = JSON.parse(payload) as AffectedDoc[];
+            onMessage({ type: 'sources', docs });
+          } catch { /* ignore */ }
+        } else if (eventName === 'content') {
+          onMessage({ type: 'content', text: payload });
+        } else if (eventName === 'done') {
+          onMessage({ type: 'done' });
+        } else if (eventName === 'error') {
+          onMessage({ type: 'error', text: payload });
+        }
+      }
+    }
+    if (buffer.trim()) {
+      // flush remaining
+    }
+    onComplete?.();
+  } catch (err) {
+    if (err instanceof DOMException && err.name === 'AbortError') return;
+    onMessage({ type: 'error', text: err instanceof Error ? err.message : String(err) });
+    onComplete?.();
+  }
+}

frontend/src/components/layout/Tabs.tsx

@@ -3,6 +3,7 @@ import { useTheme, useApp } from '../../contexts';
 import type { TabId } from '../../contexts';
 
 const tabs: Array<{ id: TabId; label: string }> = [
+  { id: 'perception', label: '智能感知' },
   { id: 'docs', label: '文档管理' },
   { id: 'compliance', label: '合规分析' },
   { id: 'status', label: '系统状态' },

frontend/src/contexts/app-context.ts

@@ -1,6 +1,6 @@
 import { createContext } from 'react';
 
-export type TabId = 'docs' | 'compliance' | 'status' | 'rag';
+export type TabId = 'perception' | 'docs' | 'compliance' | 'status' | 'rag';
 
 export interface AppContextValue {
   activeTab: TabId;

frontend/src/pages/Perception/AnalysisPanel.tsx

@@ -0,0 +1,207 @@
+import React, { useRef } from 'react';
+import { useTheme } from '../../contexts';
+import type { RegulationEvent, AffectedDoc } from '../../api/perception';
+
+interface AnalysisPanelProps {
+  event: RegulationEvent | null;
+  analyzing: boolean;
+  analysisText: string;
+  affectedDocs: AffectedDoc[];
+  onAnalyze: () => void;
+  onAbort: () => void;
+}
+
+// Minimal markdown renderer — handles ##/### headings, **bold**, bullet lists
+function MarkdownText({ text, textColor, accent }: { text: string; textColor: string; accent: string }) {
+  const lines = text.split('\n');
+  return (
+    <div style={{ fontSize: 14, lineHeight: 1.75, color: textColor }}>
+      {lines.map((line, i) => {
+        if (line.startsWith('## ')) {
+          return <div key={i} style={{ fontSize: 15, fontWeight: 700, color: accent, marginTop: 18, marginBottom: 6 }}>{line.slice(3)}</div>;
+        }
+        if (line.startsWith('### ')) {
+          return <div key={i} style={{ fontSize: 13, fontWeight: 700, marginTop: 12, marginBottom: 4 }}>{line.slice(4)}</div>;
+        }
+        if (line.startsWith('- ') || line.startsWith('* ')) {
+          const content = line.slice(2);
+          return (
+            <div key={i} style={{ display: 'flex', gap: 8, marginBottom: 4, paddingLeft: 8 }}>
+              <span style={{ color: accent, flexShrink: 0 }}>·</span>
+              <span dangerouslySetInnerHTML={{ __html: content.replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>') }} />
+            </div>
+          );
+        }
+        if (/^\d+\./.test(line)) {
+          return (
+            <div key={i} style={{ marginBottom: 4, paddingLeft: 8 }}>
+              <span dangerouslySetInnerHTML={{ __html: line.replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>') }} />
+            </div>
+          );
+        }
+        if (!line.trim()) return <div key={i} style={{ height: 8 }} />;
+        return (
+          <div key={i} style={{ marginBottom: 4 }}>
+            <span dangerouslySetInnerHTML={{ __html: line.replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>') }} />
+          </div>
+        );
+      })}
+    </div>
+  );
+}
+
+const IMPACT_COLORS = { high: '#d64545', medium: '#ff8800', low: '#00d4aa' };
+const SOURCE_COLORS: Record<string, string> = {
+  MIIT: '#e20074', 'UN-ECE': '#4a90d9', ISO: '#7b68ee',
+  '国标委': '#00b89c', 'EUR-Lex': '#f5a623', IATF: '#9b59b6',
+};
+const STATUS_LABEL: Record<string, string> = { enacted: '已生效', draft: '征求意见', consultation: '公众咨询' };
+
+export const AnalysisPanel: React.FC<AnalysisPanelProps> = ({
+  event, analyzing, analysisText, affectedDocs, onAnalyze, onAbort,
+}) => {
+  const { theme, isDark } = useTheme();
+  const analysisRef = useRef<HTMLDivElement>(null);
+
+  if (!event) {
+    return (
+      <div style={{ height: '100%', display: 'flex', flexDirection: 'column', alignItems: 'center', justifyContent: 'center', gap: 12 }}>
+        <div style={{ fontSize: 48, opacity: 0.15 }}>◈</div>
+        <div style={{ fontSize: 14, color: theme.text3 }}>选择左侧法规动态以查看智能影响分析</div>
+      </div>
+    );
+  }
+
+  const impactColor = IMPACT_COLORS[event.impact_level];
+  const srcColor = SOURCE_COLORS[event.source] || theme.accent;
+
+  return (
+    <div style={{ display: 'flex', flexDirection: 'column', height: '100%', gap: 0 }}>
+      {/* Event header */}
+      <div style={{
+        padding: '20px 24px',
+        background: theme.bgCard,
+        borderRadius: 12,
+        border: `1px solid ${theme.border}`,
+        borderLeft: `4px solid ${impactColor}`,
+        marginBottom: 16,
+        flexShrink: 0,
+        boxShadow: !isDark ? '0 2px 8px rgba(226,0,116,0.04)' : 'none',
+      }}>
+        {/* Source + status */}
+        <div style={{ display: 'flex', alignItems: 'center', gap: 8, marginBottom: 10 }}>
+          <span style={{ fontSize: 11, fontWeight: 700, color: srcColor, background: srcColor + '18', borderRadius: 4, padding: '3px 8px' }}>{event.source}</span>
+          <span className="mono" style={{ fontSize: 11, color: theme.text3 }}>{event.standard_code}</span>
+          <span style={{ marginLeft: 'auto', fontSize: 11, color: event.status === 'enacted' ? theme.green : '#ff8800', fontWeight: 600 }}>
+            {STATUS_LABEL[event.status] ?? event.status}
+          </span>
+        </div>
+
+        {/* Title */}
+        <div style={{ fontSize: 16, fontWeight: 700, color: theme.text, lineHeight: 1.4, marginBottom: 10 }}>
+          {event.title}
+        </div>
+
+        {/* Summary */}
+        <div style={{ fontSize: 13, color: theme.text2, lineHeight: 1.6, marginBottom: 12 }}>
+          {event.summary}
+        </div>
+
+        {/* Tags */}
+        <div style={{ display: 'flex', flexWrap: 'wrap', gap: 6, marginBottom: 12 }}>
+          {event.tags.map(tag => (
+            <span key={tag} style={{ fontSize: 11, color: theme.text3, background: theme.bgHover, borderRadius: 4, padding: '2px 8px', border: `1px solid ${theme.border}` }}>
+              {tag}
+            </span>
+          ))}
+        </div>
+
+        {/* Dates + Analyze button */}
+        <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
+          <div className="mono" style={{ fontSize: 11, color: theme.text3 }}>
+            发布：{event.published_at}
+            {event.effective_at && <span style={{ marginLeft: 12 }}>生效：<span style={{ color: impactColor }}>{event.effective_at}</span></span>}
+          </div>
+          {analyzing ? (
+            <button onClick={onAbort} style={{ padding: '7px 18px', borderRadius: 8, border: '1px solid #d64545', background: 'transparent', color: '#d64545', cursor: 'pointer', fontSize: 13, fontWeight: 600 }}>
+              ■ 停止
+            </button>
+          ) : (
+            <button onClick={onAnalyze} style={{ padding: '7px 18px', borderRadius: 8, border: 'none', background: theme.gradientAccent, color: '#fff', cursor: 'pointer', fontSize: 13, fontWeight: 600, boxShadow: '0 2px 8px rgba(226,0,116,0.3)' }}>
+              ⚡ 触发智能分析
+            </button>
+          )}
+        </div>
+      </div>
+
+      {/* Affected documents */}
+      {affectedDocs.length > 0 && (
+        <div style={{ marginBottom: 16, flexShrink: 0 }}>
+          <div className="mono" style={{ fontSize: 11, color: theme.text3, letterSpacing: '1px', marginBottom: 8 }}>
+            关联文档（{affectedDocs.length}）
+          </div>
+          <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
+            {affectedDocs.map(doc => (
+              <div key={doc.doc_id} style={{
+                padding: '10px 14px',
+                background: theme.bgCard,
+                border: `1px solid ${theme.border}`,
+                borderLeft: `3px solid ${theme.accent}`,
+                borderRadius: 8,
+                display: 'flex',
+                alignItems: 'flex-start',
+                gap: 10,
+              }}>
+                <div style={{ flex: 1, minWidth: 0 }}>
+                  <div style={{ fontSize: 13, fontWeight: 600, color: theme.text, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
+                    {doc.doc_name}
+                  </div>
+                  {doc.snippet && (
+                    <div style={{ fontSize: 12, color: theme.text3, marginTop: 3, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
+                      {doc.snippet}
+                    </div>
+                  )}
+                </div>
+                <span className="mono" style={{ fontSize: 11, color: theme.accent, flexShrink: 0 }}>
+                  {Math.round(doc.score * 100)}%
+                </span>
+              </div>
+            ))}
+          </div>
+        </div>
+      )}
+
+      {/* Streaming analysis output */}
+      {(analysisText || analyzing) && (
+        <div ref={analysisRef} style={{
+          flex: 1,
+          overflowY: 'auto',
+          padding: '20px 24px',
+          background: theme.bgCard,
+          border: `1px solid ${theme.border}`,
+          borderRadius: 12,
+          boxShadow: !isDark ? '0 2px 8px rgba(0,0,0,0.03)' : 'none',
+        }}>
+          <div className="mono" style={{ fontSize: 11, color: theme.accent, letterSpacing: '1px', marginBottom: 14 }}>
+            ANALYSIS {analyzing && <span style={{ animation: 'blink 1s step-end infinite' }}>▌</span>}
+          </div>
+          {analysisText && (
+            <MarkdownText text={analysisText} textColor={theme.text2} accent={theme.accent} />
+          )}
+          {analyzing && !analysisText && (
+            <div style={{ color: theme.text3, fontSize: 13 }}>正在分析法规影响...</div>
+          )}
+        </div>
+      )}
+
+      {/* Empty analysis state */}
+      {!analysisText && !analyzing && (
+        <div style={{ flex: 1, display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
+          <div style={{ textAlign: 'center', color: theme.text3, fontSize: 13 }}>
+            点击「触发智能分析」查看 AI 影响评估
+          </div>
+        </div>
+      )}
+    </div>
+  );
+};

frontend/src/pages/Perception/EventFeed.tsx

@@ -0,0 +1,157 @@
+import React from 'react';
+import { useTheme } from '../../contexts';
+import type { RegulationEvent, ImpactLevel, EventSource } from '../../api/perception';
+
+const IMPACT_CONFIG: Record<ImpactLevel, { color: string; label: string; dot: string }> = {
+  high:   { color: '#d64545', label: '高影响', dot: '●' },
+  medium: { color: '#ff8800', label: '中影响', dot: '●' },
+  low:    { color: '#00d4aa', label: '低影响', dot: '●' },
+};
+
+const STATUS_LABEL: Record<string, string> = {
+  enacted: '已生效',
+  draft: '征求意见',
+  consultation: '公众咨询',
+};
+
+const SOURCE_COLORS: Record<string, string> = {
+  MIIT:   '#e20074',
+  'UN-ECE': '#4a90d9',
+  ISO:    '#7b68ee',
+  '国标委': '#00b89c',
+  'EUR-Lex': '#f5a623',
+  IATF:   '#9b59b6',
+};
+
+interface EventFeedProps {
+  events: RegulationEvent[];
+  selectedId: string | null;
+  onSelect: (id: string) => void;
+  filterSource: string;
+  filterImpact: string;
+  onFilterSource: (v: string) => void;
+  onFilterImpact: (v: string) => void;
+  stats: { total: number; high_impact: number; medium_impact: number; low_impact: number; recent_90d: number } | null;
+  loading: boolean;
+}
+
+export const EventFeed: React.FC<EventFeedProps> = ({
+  events, selectedId, onSelect,
+  filterSource, filterImpact, onFilterSource, onFilterImpact,
+  stats, loading,
+}) => {
+  const { theme, isDark } = useTheme();
+
+  const sources: EventSource[] = ['MIIT', 'UN-ECE', 'ISO', '国标委', 'EUR-Lex', 'IATF'];
+  const impacts: ImpactLevel[] = ['high', 'medium', 'low'];
+
+  return (
+    <div style={{ display: 'flex', flexDirection: 'column', height: '100%', gap: 16 }}>
+
+      {/* KPI mini-cards */}
+      {stats && (
+        <div style={{ display: 'grid', gridTemplateColumns: 'repeat(4, 1fr)', gap: 8 }}>
+          {[
+            { label: '总计', value: stats.total, color: theme.text },
+            { label: '高影响', value: stats.high_impact, color: '#d64545' },
+            { label: '中影响', value: stats.medium_impact, color: '#ff8800' },
+            { label: '近90天', value: stats.recent_90d, color: theme.accent },
+          ].map(({ label, value, color }) => (
+            <div key={label} style={{
+              padding: '10px 12px',
+              background: theme.bgCard,
+              border: `1px solid ${theme.border}`,
+              borderRadius: 10,
+              position: 'relative',
+              overflow: 'hidden',
+              boxShadow: !isDark ? '0 2px 6px rgba(226,0,116,0.05)' : 'none',
+            }}>
+              <div style={{ position: 'absolute', top: 0, left: 0, right: 0, height: 2, background: color }} />
+              <div className="mono" style={{ fontSize: 10, color: theme.text3, letterSpacing: '0.5px' }}>{label}</div>
+              <div className="mono" style={{ fontSize: 22, fontWeight: 700, color }}>{value}</div>
+            </div>
+          ))}
+        </div>
+      )}
+
+      {/* Filter row */}
+      <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
+        <button
+          onClick={() => onFilterSource('')}
+          style={{ padding: '4px 10px', borderRadius: 20, border: `1px solid ${filterSource === '' ? theme.accent : theme.border}`, background: filterSource === '' ? theme.accent + '20' : 'transparent', color: filterSource === '' ? theme.accent : theme.text3, fontSize: 11, cursor: 'pointer' }}
+        >全部来源</button>
+        {sources.map(s => (
+          <button key={s} onClick={() => onFilterSource(filterSource === s ? '' : s)}
+            style={{ padding: '4px 10px', borderRadius: 20, border: `1px solid ${filterSource === s ? (SOURCE_COLORS[s] || theme.accent) : theme.border}`, background: filterSource === s ? (SOURCE_COLORS[s] || theme.accent) + '20' : 'transparent', color: filterSource === s ? (SOURCE_COLORS[s] || theme.accent) : theme.text3, fontSize: 11, cursor: 'pointer' }}>
+            {s}
+          </button>
+        ))}
+      </div>
+      <div style={{ display: 'flex', gap: 6 }}>
+        <button onClick={() => onFilterImpact('')}
+          style={{ padding: '4px 10px', borderRadius: 20, border: `1px solid ${filterImpact === '' ? theme.accent : theme.border}`, background: filterImpact === '' ? theme.accent + '20' : 'transparent', color: filterImpact === '' ? theme.accent : theme.text3, fontSize: 11, cursor: 'pointer' }}>
+          全部等级
+        </button>
+        {impacts.map(lvl => (
+          <button key={lvl} onClick={() => onFilterImpact(filterImpact === lvl ? '' : lvl)}
+            style={{ padding: '4px 10px', borderRadius: 20, border: `1px solid ${filterImpact === lvl ? IMPACT_CONFIG[lvl].color : theme.border}`, background: filterImpact === lvl ? IMPACT_CONFIG[lvl].color + '22' : 'transparent', color: filterImpact === lvl ? IMPACT_CONFIG[lvl].color : theme.text3, fontSize: 11, cursor: 'pointer' }}>
+            {IMPACT_CONFIG[lvl].dot} {IMPACT_CONFIG[lvl].label}
+          </button>
+        ))}
+      </div>
+
+      {/* Event list */}
+      <div style={{ flex: 1, overflowY: 'auto', display: 'flex', flexDirection: 'column', gap: 8 }}>
+        {loading && (
+          <div className="mono" style={{ fontSize: 12, color: theme.text3, padding: '16px 0' }}>加载中...</div>
+        )}
+        {!loading && events.length === 0 && (
+          <div style={{ fontSize: 13, color: theme.text3, padding: '32px 0', textAlign: 'center' }}>暂无法规动态</div>
+        )}
+        {events.map(evt => {
+          const cfg = IMPACT_CONFIG[evt.impact_level];
+          const isSelected = evt.id === selectedId;
+          const srcColor = SOURCE_COLORS[evt.source] || theme.accent;
+          return (
+            <div
+              key={evt.id}
+              onClick={() => onSelect(evt.id)}
+              style={{
+                padding: '14px 16px',
+                background: isSelected ? (isDark ? '#1e1e35' : '#fdf0f7') : theme.bgCard,
+                borderRadius: 10,
+                border: `1px solid ${isSelected ? theme.accent : theme.border}`,
+                borderLeft: `4px solid ${cfg.color}`,
+                cursor: 'pointer',
+                transition: 'all 0.15s ease',
+                boxShadow: isSelected ? `0 0 0 1px ${theme.accent}40` : (!isDark ? '0 1px 4px rgba(0,0,0,0.04)' : 'none'),
+              }}
+            >
+              {/* Source + Status row */}
+              <div style={{ display: 'flex', alignItems: 'center', gap: 6, marginBottom: 6 }}>
+                <span style={{ fontSize: 10, fontWeight: 700, color: srcColor, background: srcColor + '18', borderRadius: 4, padding: '2px 7px' }}>{evt.source}</span>
+                <span className="mono" style={{ fontSize: 10, color: theme.text3 }}>{evt.standard_code}</span>
+                <span style={{ marginLeft: 'auto', fontSize: 10, color: evt.status === 'enacted' ? theme.green : '#ff8800', background: evt.status === 'enacted' ? theme.green + '18' : '#ff880018', borderRadius: 4, padding: '2px 6px', fontWeight: 600 }}>
+                  {STATUS_LABEL[evt.status] ?? evt.status}
+                </span>
+              </div>
+
+              {/* Title */}
+              <div style={{ fontSize: 13, fontWeight: 600, color: theme.text, lineHeight: 1.4, marginBottom: 6, display: '-webkit-box', WebkitLineClamp: 2, WebkitBoxOrient: 'vertical', overflow: 'hidden' }}>
+                {evt.title}
+              </div>
+
+              {/* Date + impact */}
+              <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
+                <span className="mono" style={{ fontSize: 11, color: theme.text3 }}>
+                  {evt.published_at}{evt.effective_at ? ` → ${evt.effective_at}` : ''}
+                </span>
+                <span style={{ fontSize: 10, color: cfg.color, fontWeight: 700 }}>{cfg.dot} {cfg.label}</span>
+              </div>
+            </div>
+          );
+        })}
+      </div>
+    </div>
+  );
+};

frontend/src/pages/Perception/PerceptionPage.tsx

@@ -0,0 +1,144 @@
+import React, { useCallback, useEffect, useRef, useState } from 'react';
+import { useTheme } from '../../contexts';
+import { Content } from '../../components/layout/Content';
+import { TPattern } from '../../components/common/TPattern';
+import {
+  listEvents,
+  getPerceptionStats,
+  analyzeEvent,
+  type RegulationEvent,
+  type PerceptionStats,
+  type AffectedDoc,
+} from '../../api/perception';
+import { EventFeed } from './EventFeed';
+import { AnalysisPanel } from './AnalysisPanel';
+
+export const PerceptionPage: React.FC = () => {
+  const { theme } = useTheme();
+
+  // Feed state
+  const [events, setEvents] = useState<RegulationEvent[]>([]);
+  const [stats, setStats] = useState<PerceptionStats | null>(null);
+  const [feedLoading, setFeedLoading] = useState(true);
+  const [filterSource, setFilterSource] = useState('');
+  const [filterImpact, setFilterImpact] = useState('');
+
+  // Selected event
+  const [selectedId, setSelectedId] = useState<string | null>(null);
+  const selectedEvent = events.find(e => e.id === selectedId) ?? null;
+
+  // Analysis state
+  const [analyzing, setAnalyzing] = useState(false);
+  const [analysisText, setAnalysisText] = useState('');
+  const [affectedDocs, setAffectedDocs] = useState<AffectedDoc[]>([]);
+  const abortRef = useRef<AbortController | null>(null);
+
+  // Load events + stats
+  const loadFeed = useCallback(async () => {
+    setFeedLoading(true);
+    try {
+      const [evtRes, statsRes] = await Promise.all([
+        listEvents({
+          source: filterSource || undefined,
+          impact_level: filterImpact || undefined,
+        }),
+        getPerceptionStats(),
+      ]);
+      setEvents(evtRes.events);
+      setStats(statsRes);
+    } catch {
+      // silent
+    } finally {
+      setFeedLoading(false);
+    }
+  }, [filterSource, filterImpact]);
+
+  useEffect(() => { void loadFeed(); }, [loadFeed]);
+
+  // When selecting a new event, clear previous analysis
+  const handleSelectEvent = (id: string) => {
+    if (id === selectedId) return;
+    abortRef.current?.abort();
+    setSelectedId(id);
+    setAnalysisText('');
+    setAffectedDocs([]);
+    setAnalyzing(false);
+  };
+
+  const handleAnalyze = useCallback(() => {
+    if (!selectedId || analyzing) return;
+    abortRef.current?.abort();
+    const ctrl = new AbortController();
+    abortRef.current = ctrl;
+    setAnalysisText('');
+    setAffectedDocs([]);
+    setAnalyzing(true);
+
+    void analyzeEvent(
+      selectedId,
+      (msg) => {
+        if (msg.type === 'sources' && msg.docs) {
+          setAffectedDocs(msg.docs);
+        } else if (msg.type === 'content' && msg.text) {
+          setAnalysisText(prev => prev + msg.text);
+        } else if (msg.type === 'error') {
+          setAnalysisText(prev => prev + `\n\n⚠ 分析出错：${msg.text ?? '未知错误'}`);
+        }
+      },
+      () => setAnalyzing(false),
+      ctrl.signal,
+    );
+  }, [selectedId, analyzing]);
+
+  const handleAbort = () => {
+    abortRef.current?.abort();
+    setAnalyzing(false);
+  };
+
+  return (
+    <Content wide>
+      <style>{`
+        @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
+      `}</style>
+      <TPattern />
+
+      {/* Page header */}
+      <div style={{ display: 'flex', alignItems: 'baseline', gap: 16, marginBottom: 24 }}>
+        <h1 style={{ fontSize: 20, fontWeight: 700, color: theme.text, margin: 0 }}>智能感知</h1>
+        <span style={{ fontSize: 13, color: theme.text3 }}>法规动态实时追踪 · 知识库影响分析</span>
+      </div>
+
+      {/* Split layout */}
+      <div style={{
+        display: 'grid',
+        gridTemplateColumns: '400px 1fr',
+        gap: 24,
+        height: 'calc(100vh - 220px)',
+        minHeight: 560,
+      }}>
+        {/* Left: Event feed */}
+        <EventFeed
+          events={events}
+          selectedId={selectedId}
+          onSelect={handleSelectEvent}
+          filterSource={filterSource}
+          filterImpact={filterImpact}
+          onFilterSource={setFilterSource}
+          onFilterImpact={setFilterImpact}
+          stats={stats}
+          loading={feedLoading}
+        />
+
+        {/* Right: Analysis panel */}
+        <AnalysisPanel
+          event={selectedEvent}
+          analyzing={analyzing}
+          analysisText={analysisText}
+          affectedDocs={affectedDocs}
+          onAnalyze={handleAnalyze}
+          onAbort={handleAbort}
+        />
+      </div>
+    </Content>
+  );
+};

frontend/src/pages/Perception/index.ts

@@ -0,0 +1 @@
+export { PerceptionPage } from './PerceptionPage';