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);
     }