feat(observability): add toggle for request detail recording (#122)

* feat(frontend): add toggle logic for observability configuration

(cherry picked from commit 71cef26df6160290c980710ff4a0d6e7aa926105)

* feat(backend): add toggle logic for observability configuration

(cherry picked from commit fb1a8d90e24f041c41b3039f7189791458b87f87)

---------

Co-authored-by: zx <me@char.moe>

src/lib/localDb.js

@@ -51,6 +51,7 @@ const defaultData = {
     cloudEnabled: false,
     stickyRoundRobinLimit: 3,
     requireLogin: true,
+    observabilityEnabled: true,
     observabilityMaxRecords: 1000,
     observabilityBatchSize: 20,
     observabilityFlushIntervalMs: 5000,
@@ -71,6 +72,7 @@ function cloneDefaultData() {
       cloudEnabled: false,
       stickyRoundRobinLimit: 3,
       requireLogin: true,
+      observabilityEnabled: true,
       observabilityMaxRecords: 1000,
       observabilityBatchSize: 20,
       observabilityFlushIntervalMs: 5000,