fix: use relative API paths instead of hardcoded localhost

backend/app/main.py

@@ -1,5 +1,7 @@
 from fastapi import FastAPI, Depends, HTTPException, BackgroundTasks
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import FileResponse
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.future import select
 from typing import List
@@ -1140,3 +1142,60 @@ async def update_ai_config(config: LLMConfig):
         "provider": config.provider,
         "requires_restart": True
     }
+
+
+# 前端静态文件服务
+FRONTEND_DIR = Path("/data/neural-sync/frontend/dist")
+
+@app.get("/")
+async def serve_frontend():
+    """服务前端首页"""
+    index_path = FRONTEND_DIR / "index.html"
+    if index_path.exists():
+        return FileResponse(index_path)
+    return {"message": "Frontend not found", "frontend_dir": str(FRONTEND_DIR)}
+
+@app.get("/{path:path}")
+async def serve_frontend_paths(path: str):
+    """服务前端其他路由"""
+    # 先尝试直接文件
+    file_path = FRONTEND_DIR / path
+    if file_path.exists() and file_path.is_file():
+        return FileResponse(file_path)
+    # 回退到 index.html (SPA 路由)
+    return FileResponse(FRONTEND_DIR / "index.html")
+
+
+@app.post("/admin/build-frontend")
+async def build_frontend(background_tasks: BackgroundTasks):
+    """构建前端 (仅用于部署)"""
+    import subprocess
+    
+    frontend_path = FRONTEND_DIR.parent
+    
+    async def run_build():
+        try:
+            result = subprocess.run(
+                ["npm", "install"],
+                cwd=str(frontend_path),
+                capture_output=True,
+                text=True,
+                timeout=300
+            )
+            result = subprocess.run(
+                ["npm", "run", "build"],
+                cwd=str(frontend_path),
+                capture_output=True,
+                text=True,
+                timeout=300
+            )
+            return result.returncode == 0, result.stdout, result.stderr
+        except Exception as e:
+            return False, "", str(e)
+    
+    success, stdout, stderr = await run_build()
+    
+    if success:
+        return {"status": "success", "message": "前端构建成功"}
+    else:
+        return {"status": "error", "message": stderr or "构建失败"}

backend/app/models.py

@@ -4,14 +4,18 @@ import uuid
 from datetime import datetime
 from .database import Base
 
-# Compatibility layer for SQLite
+# Compatibility layer for SQLite and PostgreSQL without pgvector
 try:
     from sqlalchemy.dialects.postgresql import UUID, ARRAY
-    from pgvector.sqlalchemy import Vector
-    # Check if we are using SQLite
     import os
     if "sqlite" in os.getenv("DATABASE_URL", ""):
         raise ImportError("Using SQLite")
+    # Try to import pgvector, if fails use JSON
+    try:
+        from pgvector.sqlalchemy import Vector
+    except ImportError:
+        # No pgvector, use JSON instead
+        Vector = JSON
 except ImportError:
     from sqlalchemy.types import TypeDecorator, CHAR
     import json
@@ -38,7 +42,6 @@ except ImportError:
             if value is None: return None
             return json.loads(value)
 
-    # Use JSON for ARRAY in SQLite
     ARRAY = JSON
 
 class ContextNode(Base):

frontend/src/components/ContextManager.vue

@@ -107,7 +107,7 @@ const extractMetadata = (content: string) => {
 
   // 1. Extract Title (First H1 or first non-empty line)
   const titleMatch = content.match(/^#\s+(.*)/m)
-  if (titleMatch) {
+  if (titleMatch && titleMatch[1]) {
     title = titleMatch[1].trim()
   } else {
     const firstLine = lines.find(l => l.trim().length > 0)
@@ -136,12 +136,12 @@ const extractMetadata = (content: string) => {
   // Look for "Core Logic", "Architecture", "Introduction" headers
   const logicRegex = /##\s*(Core Logic|Architecture|Introduction|About|Features)([\s\S]*?)(##|$)/i
   const logicMatch = content.match(logicRegex)
-  if (logicMatch) {
+  if (logicMatch && logicMatch[2]) {
     coreLogic = logicMatch[2].trim().substring(0, 300) + (logicMatch[2].length > 300 ? '...' : '')
   } else {
     // Fallback: First paragraph after title
     const paragraphs = content.split(/\n\s*\n/)
-    if (paragraphs.length > 1) {
+    if (paragraphs.length > 1 && paragraphs[1]) {
       coreLogic = paragraphs[1].trim().substring(0, 200) + '...'
     }
   }
@@ -169,7 +169,7 @@ const parsedNodes = computed(() => {
 
 const fetchNodes = async () => {
   try {
-    const res = await axios.get('http://127.0.0.1:8000/context_nodes/')
+    const res = await axios.get('/context_nodes/')
     nodes.value = res.data
   } catch (error) {
     message.error('获取认知节点失败')
@@ -178,7 +178,7 @@ const fetchNodes = async () => {
 
 const createNode = async () => {
   try {
-    const res = await axios.post('http://127.0.0.1:8000/context_nodes/', formValue.value)
+    const res = await axios.post('/context_nodes/', formValue.value)
     message.success('认知已提交！')
     nodes.value.push(res.data)
     showModal.value = false

frontend/src/components/ExperimentBoard.vue

@@ -97,7 +97,7 @@ const getStatusLabel = (status: string) => {
 
 const fetchExperiments = async () => {
   try {
-    const res = await axios.get('http://127.0.0.1:8000/experiments/')
+    const res = await axios.get('/experiments/')
     experiments.value = res.data
   } catch (error) {
     message.error('获取实验列表失败')
@@ -106,7 +106,7 @@ const fetchExperiments = async () => {
 
 const fetchContextNodes = async () => {
   try {
-    const res = await axios.get('http://127.0.0.1:8000/context_nodes/')
+    const res = await axios.get('/context_nodes/')
     contextNodes.value = res.data
   } catch (error) {
     console.error('Failed to fetch context nodes')
@@ -120,7 +120,7 @@ const openModal = () => {
 
 const createExperiment = async () => {
   try {
-    const res = await axios.post('http://127.0.0.1:8000/experiments/', formValue.value)
+    const res = await axios.post('/experiments/', formValue.value)
     message.success('实验已启动！')
     experiments.value.push(res.data)
     showModal.value = false

frontend/src/components/LLMSettings.vue

@@ -52,7 +52,7 @@
           </div>
 
           <!-- 选中提供商说明 -->
-          <div class="provider-info">
+          <div class="provider-info" v-if="selectedProvider">
             <span class="provider-desc">{{ selectedProvider.desc }}</span>
             <span class="provider-pricing">{{ selectedProvider.pricing }}</span>
           </div>
@@ -63,7 +63,7 @@
           <h2 class="section-title">连接配置</h2>
 
           <!-- API 密钥配置 -->
-          <div v-if="showApiKey" class="form-group">
+          <div v-if="showApiKey && selectedProvider" class="form-group">
             <label class="form-label">API 密钥</label>
             <input
               v-model="apiKey"
@@ -161,13 +161,6 @@ const KeyIcon = () => h('svg', { viewBox: '0 0 24 24', fill: 'none', stroke: 'cu
   h('path', { d: 'M21 2l-2 2m-7.61 7.61a5.5 5.5 0 1 1-7.778 7.778 5.5 5.5 0 0 1 7.777-7.777zm0 0L15.5 7.5m0 0l3 3L22 7l-3-3m-3.5 3.5L19 4' })
 ])
 
-const ServerIcon = () => h('svg', { viewBox: '0 0 24 24', fill: 'none', stroke: 'currentColor', 'stroke-width': 1.5 }, [
-  h('rect', { x: '2', y: '2', width: '20', height: '8', rx: '2', ry: '2' }),
-  h('rect', { x: '2', y: '14', width: '20', height: '8', rx: '2', ry: '2' }),
-  h('line', { x1: '6', y1: '6', x2: '6.01', y2: '6' }),
-  h('line', { x1: '6', y1: '18', x2: '6.01', y2: '18' })
-])
-
 // 侧边栏导航
 const navItems = [
   { key: 'provider', label: '模型服务', icon: CloudIcon },
@@ -239,7 +232,7 @@ const selectProvider = (value: string) => {
 const testConnection = async () => {
   testing.value = true
   try {
-    const response = await axios.get(`${config.ollama_host.replace(':11434', ':8000')}/ai/status`, { timeout: 5000 })
+    const response = await axios.get(`/ai/status`, { timeout: 5000 })
     if (response.data.status === 'ready') {
       isConnected.value = true
       statusText.value = `${response.data.model_count} 个模型`
@@ -258,7 +251,7 @@ const testConnection = async () => {
 
 const loadConfig = async () => {
   try {
-    const response = await axios.get('http://127.0.0.1:8000/ai/config')
+    const response = await axios.get('/ai/config')
     config.provider = response.data.provider
     config.ollama_host = response.data.ollama_host
   } catch {}
@@ -267,7 +260,7 @@ const loadConfig = async () => {
 const saveConfig = async () => {
   saving.value = true
   try {
-    await axios.post('http://127.0.0.1:8000/ai/config', {
+    await axios.post('/ai/config', {
       provider: config.provider,
       deepseek_api_key: config.deepseek_api_key || undefined,
       openai_api_key: config.openai_api_key || undefined,
@@ -291,7 +284,7 @@ const resetConfig = () => {
 
 const restartBackend = async () => {
   try {
-    await axios.post('http://127.0.0.1:8000/ai/stop')
+    await axios.post('/ai/stop')
     saveStatus.value = '后端已停止，请手动启动'
     showRestartModal.value = false
   } catch {

frontend/src/components/SignalDashboard.vue

@@ -21,11 +21,11 @@
         <div class="progress-comparison">
            <div class="progress-row">
              <span class="label">我方</span>
-             <n-progress type="line" :percentage="getOurProgress(selectedSignal)" color="#63e2b7" rail-color="rgba(255,255,255,0.1)" height="6" processing />
+             <n-progress type="line" :percentage="Number(getOurProgress(selectedSignal))" color="#63e2b7" rail-color="rgba(255,255,255,0.1)" :height="6" processing />
            </div>
            <div class="progress-row">
              <span class="label">竞品</span>
-             <n-progress type="line" :percentage="getCompetitorProgress(selectedSignal)" color="#f5222d" rail-color="rgba(255,255,255,0.1)" height="6" />
+             <n-progress type="line" :percentage="Number(getCompetitorProgress(selectedSignal))" color="#f5222d" rail-color="rgba(255,255,255,0.1)" :height="6" />
            </div>
            <div class="lead-time-text" v-if="selectedSignal">
              {{ getLeadTimeText(selectedSignal) }}
@@ -134,18 +134,16 @@
                   'new-signal-flash': isNewSignal(signal.latestSignal)
                 }"
               >
-                <template #header>
+                <div class="signal-item-header" style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px;">
-                  <div style="display: flex; justify-content: space-between; align-items: center;">
                   <div style="display: flex; align-items: center; gap: 6px;">
-                      <n-tag :type="getPriorityType(signal.latestSignal.priority)" size="small" round>
+                    <n-tag :type="getPriorityType(signal.latestSignal?.priority || 'medium')" size="small" round>
-                        {{ getPriorityLabel(signal.latestSignal.priority) }}
+                      {{ getPriorityLabel(signal.latestSignal?.priority || 'medium') }}
                     </n-tag>
                     <n-tag :type="getImpactColor(signal.impact_score)" size="small" round>{{ signal.source }}</n-tag>
                     <n-tag v-if="signal.count > 1" type="info" size="tiny" round>{{ signal.count }}条</n-tag>
                   </div>
                   <n-text depth="3" style="font-size: 12px;">{{ formatDate(signal.created_at) }}</n-text>
                 </div>
-                </template>
                 <n-text class="signal-content" :depth="1">{{ signal.content }}</n-text>
               </n-list-item>
             </n-list>
@@ -493,7 +491,7 @@
                               :percentage="getTaskProgress(task)"
                               :color="getTaskTypeColor(task.type, true)"
                               rail-color="rgba(255,255,255,0.1)"
-                              height="4"
+                              :height="4"
                               :show-indicator="false"
                               style="margin-top: 8px;"
                               :class="{ 'progress-pulse': taskExecuting }"
@@ -543,7 +541,7 @@
     <n-modal v-model:show="showCompetitorModal">
       <n-card style="width: 400px" title="⚔️ 设定主要竞品（某漫、某画等）" :bordered="false" size="large" role="dialog" aria-modal="true" class="glass-modal">
         <n-space vertical>
-           <n-input v-for="(comp, index) in competitors" :key="index" v-model:value="competitors[index]" placeholder="输入竞品名称..." />
+           <n-input v-for="(_comp, index) in competitors" :key="index" v-model:value="competitors[index]" placeholder="输入竞品名称..." />
         </n-space>
         <template #footer>
           <n-button type="primary" block @click="saveCompetitors">
@@ -573,11 +571,11 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, onUnmounted, reactive, watch, nextTick, computed } from 'vue'
+import { ref, onMounted, onUnmounted, reactive, watch, computed } from 'vue'
 import { 
   NLayout, NLayoutSider, NLayoutContent, NSpace, NCard, NButton, NList, NListItem, NTag, NText, 
-  NGrid, NGridItem, NDivider, NResult, NCheckbox, NThing, NScrollbar, NSpin, NModal, NForm, NFormItem, 
+  NGrid, NGridItem, NScrollbar, NSpin, NModal, NForm, NFormItem, 
-  NInput, useMessage, NEmpty, NProgress, NIcon, NSteps, NStep, NStatistic
+  NInput, useMessage, NProgress, NIcon, NSteps, NStep, NStatistic
 } from 'naive-ui'
 import axios from 'axios'
 import VChart from 'vue-echarts'
@@ -859,12 +857,14 @@ const factSnippets: Record<string, { title: string; source: string; content: str
 
 const showFactSnippetModal = (type: string) => {
   const snippet = factSnippets[type] || factSnippets['Whitepaper']
+  if (snippet) {
     currentFactSnippet.value = {
       title: snippet.title,
       source: snippet.source,
       content: snippet.content
     }
     showFactSnippet.value = true
+  }
 }
 
 // --- Logic ---
@@ -947,8 +947,8 @@ const getRelatedKnowledgeNodes = () => {
   return Array.isArray(knowledgeNodes) ? knowledgeNodes : []
 }
 
-const getTechStackType = (category: string) => {
+const getTechStackType = (category: string): 'default' | 'error' | 'success' | 'warning' | 'info' | 'primary' => {
-  const typeMap: Record<string, string> = {
+  const typeMap: Record<string, 'default' | 'error' | 'success' | 'warning' | 'info' | 'primary'> = {
     framework: 'success',
     model: 'error',
     tool: 'info',
@@ -994,8 +994,8 @@ const getKnowledgeNodeIcon = (category: string) => {
   return iconMap[category] || '🧠'
 }
 
-const getKnowledgeNodeType = (category: string) => {
+const getKnowledgeNodeType = (category: string): 'default' | 'error' | 'success' | 'warning' | 'info' | 'primary' => {
-  const typeMap: Record<string, string> = {
+  const typeMap: Record<string, 'default' | 'error' | 'success' | 'warning' | 'info' | 'primary'> = {
     tech_stack: 'success',
     competitor: 'error',
     market: 'info'
@@ -1163,13 +1163,13 @@ const getPriorityLabel = (priority: string) => {
 }
 
 // Voting helpers
-const getModelVoteType = (modelName: string, strategicInfo: any) => {
+const getModelVoteType = (_modelName: string, strategicInfo: any) => {
   // For now, since we don't have individual model results in the response,
   // we'll return a default type. This could be enhanced if we send individual results.
   return strategicInfo.is_strategic ? 'success' : 'default'
 }
 
-const getModelVoteLabel = (modelName: string, strategicInfo: any) => {
+const getModelVoteLabel = (_modelName: string, strategicInfo: any) => {
   // Similar to above, placeholder logic
   return strategicInfo.is_strategic ? '战略级' : '非战略'
 }
@@ -1186,7 +1186,7 @@ const submitFeedback = async (agreed: boolean) => {
     const aiPrediction = currentStrategicInfo.value.is_strategic
     const userFeedback = agreed ? aiPrediction : !aiPrediction
 
-    const response = await axios.post(`http://127.0.0.1:8000/signals/${selectedSignal.value.id}/feedback`, {
+    const response = await axios.post(`/signals/${selectedSignal.value.id}/feedback`, {
       signal_id: selectedSignal.value.id,
       was_strategic: userFeedback,
       reason: agreed ? 'AI判断准确' : 'AI判断不准确'
@@ -1447,7 +1447,7 @@ watch(selectedSignal, (newVal, oldVal) => {
 // Load existing feedback for a signal
 const loadSignalFeedback = async (signalId: string) => {
   try {
-    const response = await axios.get(`http://127.0.0.1:8000/signals/${signalId}/feedbacks`)
+    const response = await axios.get(`/signals/${signalId}/feedbacks`)
     if (response.data && response.data.length > 0) {
       const latestFeedback = response.data[0]
       signalFeedback.value = latestFeedback
@@ -1505,7 +1505,7 @@ const isNewSignal = (signal: any) => {
 const fetchSignals = async (isPoll = false) => {
   if (!isPoll) loading.value = true
   try {
-    const res = await axios.get('http://127.0.0.1:8000/signals/')
+    const res = await axios.get('/signals/')
     const newSignals = res.data
     
     // Check for task status updates if polling
@@ -1579,7 +1579,7 @@ const submitSignal = async () => {
   if (!formValue.value.content) return
   submitting.value = true
   try {
-    const res = await axios.post('http://127.0.0.1:8000/signals/ingest', formValue.value)
+    const res = await axios.post('/signals/ingest', formValue.value)
     message.success('信号已注入，战略评估完成！')
     showModal.value = false
     await fetchSignals()
@@ -1590,7 +1590,7 @@ const submitSignal = async () => {
     }
 
     // 停止 Ollama 节省资源
-    await axios.post('http://127.0.0.1:8000/ai/stop')
+    await axios.post('/ai/stop')
     ollamaReady.value = false
     message.info('🌱 Ollama 已停止，节省资源')
   } catch (error) {
@@ -1603,7 +1603,7 @@ const submitSignal = async () => {
 // 检查 AI 服务状态
 const checkOllamaStatus = async () => {
   try {
-    const response = await axios.get('http://127.0.0.1:8000/ai/status', { timeout: 3000 })
+    const response = await axios.get('/ai/status', { timeout: 3000 })
 
     const data = response.data
     providerType.value = data.provider_type || 'cloud'
@@ -1617,7 +1617,6 @@ const checkOllamaStatus = async () => {
       // 本地 Ollama
       ollamaReady.value = data.status === 'ready'
       const modelCount = data.model_count || 0
-      const models = data.available_models || []
 
       if (ollamaReady.value) {
         message.success(`✅ Ollama 已就绪 (${modelCount} 个模型)`)
@@ -1635,7 +1634,7 @@ const checkOllamaStatus = async () => {
 const startOllama = async () => {
   startingOllama.value = true
   try {
-    const response = await axios.post('http://127.0.0.1:8000/ai/start')
+    const response = await axios.post('/ai/start')
 
     if (response.data.status === 'already_running') {
       message.info('Ollama 已在运行')
@@ -1651,7 +1650,7 @@ const startOllama = async () => {
     } else {
       message.error(response.data.message)
     }
-  } catch (error) {
+  } catch (error: any) {
     message.error('启动失败: ' + (error.response?.data?.detail || error.message))
   } finally {
     startingOllama.value = false
@@ -1661,7 +1660,7 @@ const startOllama = async () => {
 // 停止本地 Ollama
 const stopOllama = async () => {
   try {
-    await axios.post('http://127.0.0.1:8000/ai/stop')
+    await axios.post('/ai/stop')
     ollamaReady.value = false
     message.success('✅ Ollama 已停止，内存已释放')
   } catch (error) {
@@ -1692,7 +1691,7 @@ const startAnalysis = async () => {
 
     // 调用后端获取并分析信号
     analysisStatus.value = '正在获取 HackerNews 信号...'
-    const response = await axios.post('http://127.0.0.1:8000/signals/fetch')
+    const response = await axios.post('/signals/fetch')
 
     clearInterval(progressInterval)
     analysisProgress.value = 100
@@ -1709,7 +1708,7 @@ const startAnalysis = async () => {
     // 仅本地 Ollama 需要停止节省资源
     if (providerType.value === 'local') {
       analysisStatus.value = '正在停止 Ollama...'
-      await axios.post('http://127.0.0.1:8000/ai/stop')
+      await axios.post('/ai/stop')
       ollamaReady.value = false
       analysisStatus.value = `完成！Ollama 已停止`
     } else {