feat(init): init service for testing log lib

query.sql

@@ -0,0 +1,12 @@
+-- 查找 Bob 在那个时间点的第一条日志，为了拿 TraceID
+SELECT trace_id, message, created_at 
+FROM app_logs 
+WHERE message LIKE '%Bob%' 
+  AND created_at BETWEEN '2026-01-22 10:00:00' AND '2026-01-22 10:05:00'
+LIMIT 1;
+
+
+SELECT created_at, log_level, module, message 
+FROM app_logs 
+WHERE trace_id = 'a1b2c3d4-ffff-...' 
+ORDER BY created_at ASC;