refactor(knowledge): 加入数据库，优化代码结构

service-ai/service-ai-knowledge/src/main/resources/application.yml

@@ -17,6 +17,11 @@ spring:
           hostname: localhost
           hostname_full: localhost
           start_time: 20250514112750
+  datasource:
+    url: jdbc:mysql://localhost:3307/ai?useSSL=false
+    username: test
+    password: test
+    driver-class-name: com.mysql.cj.jdbc.Driver
   security:
     meta:
       authority: ENC(GXKnbq1LS11U2HaONspvH+D/TkIx13aWTaokdkzaF7HSvq6Z0Rv1+JUWFnYopVXu)
@@ -39,4 +44,8 @@ jasypt:
   encryptor:
     password: 'r#(R,P"Dp^A47>WSn:Wn].gs/+"v:q_Q*An~zF*g-@j@jtSTv5H/,S-3:R?r9R}.'
 server:
-  port: 8080
+  port: 8080
+liteflow:
+  rule-source: config/flow.xml
+  print-banner: false
+  check-node-exists: false