feat: add knowledge management functionality with CRUD operations and database schema

- Implemented KnowledgeHandler for managing knowledge groups and items, including listing, creating, updating, and deleting operations.
- Added database migration scripts to create necessary tables for knowledge management, including knowledge_groups, knowledge_items, knowledge_parse_tasks, and knowledge_chunks_meta.
- Introduced prompt_rule_knowledge_groups table to associate prompt rules with knowledge groups.

server/internal/shared/middleware/logger.go

@@ -5,19 +5,43 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"go.uber.org/zap"
+
+	"github.com/geo-platform/tenant-api/internal/shared/response"
 )
 
 func Logger(logger *zap.Logger) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		start := time.Now()
 		c.Next()
-		logger.Info("request",
+
+		fields := []zap.Field{
 			zap.String("method", c.Request.Method),
 			zap.String("path", c.Request.URL.Path),
 			zap.Int("status", c.Writer.Status()),
 			zap.Duration("latency", time.Since(start)),
 			zap.String("request_id", RequestIDFromGin(c)),
 			zap.String("client_ip", c.ClientIP()),
-		)
+		}
+
+		if appErr, ok := response.AppErrorFromGin(c); ok {
+			fields = append(fields,
+				zap.Int("app_code", appErr.Code),
+				zap.String("app_message", appErr.Message),
+			)
+			if appErr.Detail != "" {
+				fields = append(fields, zap.String("app_detail", appErr.Detail))
+			}
+		} else if len(c.Errors) > 0 {
+			fields = append(fields, zap.String("error", c.Errors.String()))
+		}
+
+		switch status := c.Writer.Status(); {
+		case status >= 500:
+			logger.Error("request", fields...)
+		case status >= 400:
+			logger.Warn("request", fields...)
+		default:
+			logger.Info("request", fields...)
+		}
 	}
 }