feat(proxy): implement metrics persistence, traffic logs DB, and advanced monitoring

- Add SQLite schema for proxy metrics and traffic logs
- Implement ProxyMetricsRepo with historical aggregates
- Add TrafficLogsRepo for DB-backed traffic log queries
- Create proxy-advanced IPC handlers (metrics, traffic logs, circuit breaker, parity)
- Add ProxyMetricsService with connection snapshots and cleanup
- Add ProxyReplayService and ProxyIdeConfigService
- Implement MonitorTab and ToolsTab for advanced proxy features
- Add TrafficLogTable with sorting and filtering
- Fix i18n keys for proxy metrics
- Fix generateIdeConfig type mapping
- Update proxy routes with advanced tab integration

src/lib/geminiNexus/ClaudeRequestMapper.ts

@@ -694,7 +694,13 @@ function buildGenerationConfig(
     if (maxTokens !== undefined) {
       config.maxOutputTokens = maxTokens;
     }
-    const defaultStopSequences = ['<|user|>', '<|endoftext|>', '<|end_of_turn|>', '[DONE]', '\n\nHuman:'];
+    const defaultStopSequences = [
+      '<|user|>',
+      '<|endoftext|>',
+      '<|end_of_turn|>',
+      '[DONE]',
+      '\n\nHuman:',
+    ];
     if (claudeReq.stop_sequences && claudeReq.stop_sequences.length > 0) {
       config.stopSequences = [...new Set([...claudeReq.stop_sequences, ...defaultStopSequences])];
     } else {
@@ -705,7 +711,10 @@ function buildGenerationConfig(
   if (claudeReq.response_format) {
     if (claudeReq.response_format.type === 'json_object') {
       config.responseMimeType = 'application/json';
-    } else if (claudeReq.response_format.type === 'json_schema' && claudeReq.response_format.json_schema) {
+    } else if (
+      claudeReq.response_format.type === 'json_schema' &&
+      claudeReq.response_format.json_schema
+    ) {
       config.responseMimeType = 'application/json';
       config.responseSchema = cleanJsonSchema(claudeReq.response_format.json_schema);
     }

src/lib/geminiNexus/ClaudeResponseMapper.ts

@@ -254,7 +254,10 @@ class NonStreamingProcessor {
 /**
  * Public API: Transform Gemini Response to Claude Response
  */
-export function transformResponse(geminiResponse: GeminiResponse, modelName?: string): ClaudeResponse {
+export function transformResponse(
+  geminiResponse: GeminiResponse,
+  modelName?: string,
+): ClaudeResponse {
   const processor = new NonStreamingProcessor();
   return processor.process(geminiResponse, modelName);
 }

src/lib/nivo-theme.ts

@@ -0,0 +1,61 @@
+import type { PartialTheme } from '@nivo/theming';
+
+export const nivoTheme: PartialTheme = {
+  background: 'transparent',
+  text: {
+    fontFamily: "Geist, 'Microsoft YaHei', 'Heiti SC', 'WenQuanYi Micro Hei', sans-serif",
+    fontSize: 11,
+    fill: '#b8b8b8',
+  },
+  axis: {
+    domain: {
+      line: {
+        stroke: 'rgba(255,255,255,0.1)',
+        strokeWidth: 1,
+      },
+    },
+    ticks: {
+      line: {
+        stroke: 'transparent',
+        strokeWidth: 0,
+      },
+      text: {
+        fontFamily: "Geist, 'Microsoft YaHei', 'Heiti SC', 'WenQuanYi Micro Hei', sans-serif",
+        fontSize: 11,
+        fill: '#b8b8b8',
+      },
+    },
+    legend: {
+      text: {
+        fontFamily: "Geist, 'Microsoft YaHei', 'Heiti SC', 'WenQuanYi Micro Hei', sans-serif",
+        fontSize: 12,
+        fill: '#b8b8b8',
+      },
+    },
+  },
+  grid: {
+    line: {
+      stroke: 'rgba(255,255,255,0.06)',
+      strokeWidth: 1,
+      strokeDasharray: '4 4',
+    },
+  },
+  legends: {
+    text: {
+      fontFamily: "Geist, 'Microsoft YaHei', 'Heiti SC', 'WenQuanYi Micro Hei', sans-serif",
+      fontSize: 12,
+      fill: '#b8b8b8',
+    },
+  },
+  tooltip: {
+    container: {
+      background: '#2e2e2e',
+      color: '#fff',
+      fontFamily: "Geist, 'Microsoft YaHei', 'Heiti SC', 'WenQuanYi Micro Hei', sans-serif",
+      fontSize: 12,
+      borderRadius: 6,
+      boxShadow: '0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)',
+      padding: '8px 12px',
+    },
+  },
+};