refactor(部署): 重构部署架构，使用本地代理服务器替代环境变量配置

- 删除 Dockerfile.dev 和 entrypoint.sh，简化开发环境配置
- 修改 Dockerfile 使用 node 基础镜像并添加代理服务器
- 新增 proxy-server.js 处理 API 请求代理
- 更新 nginx 配置指向本地代理服务
- 修改前端请求添加自定义 base URL 头支持

src/composables/useThinkFlow.ts

@@ -761,12 +761,18 @@ export function useThinkFlow({ t, locale }: { t: Translate; locale: Ref<string>
         const finalApiKey = apiConfig.mode === 'default' ? useConfig.apiKey || API_KEY : useConfig.apiKey
 
         try {
+            const headers: any = {
+                'Content-Type': 'application/json',
+                Authorization: `Bearer ${finalApiKey}`
+            }
+            
+            if (apiConfig.mode !== 'default' && useConfig.baseUrl) {
+                headers['X-Custom-Base-Url'] = useConfig.baseUrl
+            }
+            
             const response = await fetch(useConfig.baseUrl, {
                 method: 'POST',
-                headers: {
-                    'Content-Type': 'application/json',
-                    Authorization: `Bearer ${finalApiKey}`
-                },
+                headers,
                 body: JSON.stringify({
                     model: useConfig.model,
                     messages: [
@@ -813,12 +819,19 @@ export function useThinkFlow({ t, locale }: { t: Translate; locale: Ref<string>
             const detail = node.data.description || ''
             const path = findPathToNode(nodeId)
             const context = path.length > 5 ? `... -> ${path.slice(-4).join(' -> ')}` : path.join(' -> ')
+            
+            const headers: any = {
+                'Content-Type': 'application/json',
+                Authorization: `Bearer ${finalApiKey}`
+            }
+            
+            if (apiConfig.mode !== 'default' && useConfig.baseUrl) {
+                headers['X-Custom-Base-Url'] = useConfig.baseUrl
+            }
+            
             const response = await fetch(useConfig.baseUrl, {
                 method: 'POST',
-                headers: {
-                    'Content-Type': 'application/json',
-                    Authorization: `Bearer ${finalApiKey}`
-                },
+                headers,
                 body: JSON.stringify({
                     model: useConfig.model,
                     prompt: t('prompts.image', { topic, detail, context })
@@ -869,12 +882,18 @@ export function useThinkFlow({ t, locale }: { t: Translate; locale: Ref<string>
             const path = findPathToNode(nodeId)
             const context = path.join(' -> ')
 
+            const headers: any = {
+                'Content-Type': 'application/json',
+                Authorization: `Bearer ${finalApiKey}`
+            }
+            
+            if (apiConfig.mode !== 'default' && useConfig.baseUrl) {
+                headers['X-Custom-Base-Url'] = useConfig.baseUrl
+            }
+            
             const response = await fetch(useConfig.baseUrl, {
                 method: 'POST',
-                headers: {
-                    'Content-Type': 'application/json',
-                    Authorization: `Bearer ${finalApiKey}`
-                },
+                headers,
                 body: JSON.stringify({
                     model: useConfig.model,
                     messages: [{ role: 'user', content: t('prompts.deepDivePrompt', { rootTopic, context, topic, detail }) }]
@@ -1031,12 +1050,18 @@ export function useThinkFlow({ t, locale }: { t: Translate; locale: Ref<string>
         const finalApiKey = apiConfig.mode === 'default' ? useConfig.apiKey || API_KEY : useConfig.apiKey
 
         try {
+            const headers: any = {
+                'Content-Type': 'application/json',
+                Authorization: `Bearer ${finalApiKey}`
+            }
+            
+            if (apiConfig.mode !== 'default' && useConfig.baseUrl) {
+                headers['X-Custom-Base-Url'] = useConfig.baseUrl
+            }
+            
             const response = await fetch(useConfig.baseUrl, {
                 method: 'POST',
-                headers: {
-                    'Content-Type': 'application/json',
-                    Authorization: `Bearer ${finalApiKey}`
-                },
+                headers,
                 body: JSON.stringify({
                     model: useConfig.model,
                     messages: [