diff --git a/src/arts/conn/consts.ts b/src/arts/conn/consts.ts
index 26c326f..516febd 100644
--- a/src/arts/conn/consts.ts
+++ b/src/arts/conn/consts.ts
@@ -2,21 +2,21 @@ export const LOGGER_CATEGORY = 'conn';
 export const LOGGER_SCOPE_SEPARATOR = ':';
 
 export const CONNECTION_DIAGNOSTIC_EVENTS = {
-	AUTH_FAILED: 'auth_failed',
-	BROWSER_RECONNECT: 'browser_reconnect',
-	CONNECT_FAILED: 'connect_failed',
-	FRAME_DECODE_FAILED: 'frame_decode_failed',
-	FRAME_ENCODE_FAILED: 'frame_encode_failed',
-	HEARTBEAT_TIMEOUT: 'heartbeat_timeout',
-	LISTENER_THREW: 'listener_threw',
-	REAUTH_FAILED: 'reauth_failed',
-	RECONNECT_EXHAUSTED: 'reconnect_exhausted',
-	SEND_FAILED: 'send_failed',
-	SESSION_CHANGED: 'session_changed',
-	SESSION_EXPIRED: 'session_expired',
-	SESSION_REFRESHED: 'session_refreshed',
-	SESSION_REVOKED: 'session_revoked',
-	TRANSPORT_ERROR: 'transport_error'
+	AUTH_FAILED: 'conn.auth_failed',
+	BROWSER_RECONNECT: 'conn.browser_reconnect',
+	CONNECT_FAILED: 'conn.connect_failed',
+	FRAME_DECODE_FAILED: 'conn.frame_decode_failed',
+	FRAME_ENCODE_FAILED: 'conn.frame_encode_failed',
+	HEARTBEAT_TIMEOUT: 'conn.heartbeat_timeout',
+	LISTENER_THREW: 'conn.listener_threw',
+	REAUTH_FAILED: 'conn.reauth_failed',
+	RECONNECT_EXHAUSTED: 'conn.reconnect_exhausted',
+	SEND_FAILED: 'conn.send_failed',
+	SESSION_CHANGED: 'conn.session_changed',
+	SESSION_EXPIRED: 'conn.session_expired',
+	SESSION_REFRESHED: 'conn.session_refreshed',
+	SESSION_REVOKED: 'conn.session_revoked',
+	TRANSPORT_ERROR: 'conn.transport_error'
 } as const;
 
 export const CONNECTION_STATE_IDLE = 'idle';
diff --git a/src/arts/perm/consts.ts b/src/arts/perm/consts.ts
index 6436383..00e5b27 100644
--- a/src/arts/perm/consts.ts
+++ b/src/arts/perm/consts.ts
@@ -39,9 +39,9 @@ export const PERMISSION_SNAPSHOT_GLOBAL_POLICY = 'snapshot.global';
 export const PERMISSION_CLIENT_SCOPE_PREFIX = 'scope';
 
 export const PERMISSION_CLIENT_DIAGNOSTIC_EVENTS = {
-	REMOTE_BATCH_FAILED: 'remote_batch_failed',
-	REMOTE_CHECK_FAILED: 'remote_check_failed',
-	REMOTE_WHAT_FAILED: 'remote_what_failed'
+	REMOTE_BATCH_FAILED: 'perm.client.remote_batch_failed',
+	REMOTE_CHECK_FAILED: 'perm.client.remote_check_failed',
+	REMOTE_WHAT_FAILED: 'perm.client.remote_what_failed'
 } as const;
 
 // Method labels used by `ensureLive(method)` for error messages. They are
diff --git a/src/arts/sess/consts.ts b/src/arts/sess/consts.ts
index 9740682..f099930 100644
--- a/src/arts/sess/consts.ts
+++ b/src/arts/sess/consts.ts
@@ -2,21 +2,21 @@
 export const LOGGER_CATEGORY = 'sess';
 
 export const SESSION_DIAGNOSTIC_EVENTS = {
-	ADOPT_SERVER_INVALID: 'adopt_server_invalid',
-	DISPOSED_ACCESS: 'disposed_access',
-	LISTENER_THREW: 'listener_threw',
-	REFRESH_ACTOR_SCHEMA_FAILED: 'refresh_actor_schema_failed',
-	REFRESH_CREDENTIAL_SCHEMA_FAILED: 'refresh_credential_schema_failed',
-	REFRESH_DATA_SCHEMA_FAILED: 'refresh_data_schema_failed',
-	REFRESH_INVARIANT_VIOLATED: 'refresh_invariant_violated',
-	REFRESH_TRANSIENT_FAILURE: 'refresh_transient_failure',
-	REFRESH_USER_SCHEMA_FAILED: 'refresh_user_schema_failed',
-	REVOKE_GLOBAL_HANDLER_FAILED: 'revoke_global_handler_failed',
-	REVOKE_GLOBAL_NO_HANDLER: 'revoke_global_no_handler',
-	REVOKE_GLOBAL_SERVER_REJECTED: 'revoke_global_server_rejected',
-	STORAGE_ADAPTER_NO_ONCHANGE: 'storage_adapter_no_onchange',
-	STORAGE_PARSE_FAILED: 'storage_parse_failed',
-	STORAGE_PERSIST_FAILED: 'storage_persist_failed'
+	ADOPT_SERVER_INVALID: 'sess.adopt_server_invalid',
+	DISPOSED_ACCESS: 'sess.disposed_access',
+	LISTENER_THREW: 'sess.listener_threw',
+	REFRESH_ACTOR_SCHEMA_FAILED: 'sess.refresh_actor_schema_failed',
+	REFRESH_CREDENTIAL_SCHEMA_FAILED: 'sess.refresh_credential_schema_failed',
+	REFRESH_DATA_SCHEMA_FAILED: 'sess.refresh_data_schema_failed',
+	REFRESH_INVARIANT_VIOLATED: 'sess.refresh_invariant_violated',
+	REFRESH_TRANSIENT_FAILURE: 'sess.refresh_transient_failure',
+	REFRESH_USER_SCHEMA_FAILED: 'sess.refresh_user_schema_failed',
+	REVOKE_GLOBAL_HANDLER_FAILED: 'sess.revoke_global_handler_failed',
+	REVOKE_GLOBAL_NO_HANDLER: 'sess.revoke_global_no_handler',
+	REVOKE_GLOBAL_SERVER_REJECTED: 'sess.revoke_global_server_rejected',
+	STORAGE_ADAPTER_NO_ONCHANGE: 'sess.storage_adapter_no_onchange',
+	STORAGE_PARSE_FAILED: 'sess.storage_parse_failed',
+	STORAGE_PERSIST_FAILED: 'sess.storage_persist_failed'
 } as const;
 
 /** Default `BroadcastChannel` name when not overridden. */
diff --git a/src/libs/timers/consts.ts b/src/libs/timers/consts.ts
index a762ab3..79e85c3 100644
--- a/src/libs/timers/consts.ts
+++ b/src/libs/timers/consts.ts
@@ -12,9 +12,9 @@
 export const LOGGER_CATEGORY = 'timr';
 
 export const TIMER_DIAGNOSTIC_EVENTS = {
-	LISTENER_THREW: 'listener_threw',
-	SCHEDULE_AT_PAST: 'schedule_at_past',
-	TASK_FAILED: 'task_failed'
+	LISTENER_THREW: 'timr.listener_threw',
+	SCHEDULE_AT_PAST: 'timr.schedule_at_past',
+	TASK_FAILED: 'timr.task_failed'
 } as const;
 
 // ── Timer status ───────────────────────────────────────────────────────────
diff --git a/src/svrs/perm/consts.ts b/src/svrs/perm/consts.ts
index 1b8ee03..44c6a00 100644
--- a/src/svrs/perm/consts.ts
+++ b/src/svrs/perm/consts.ts
@@ -1,9 +1,9 @@
 export { PERMISSION_LOGGER_CATEGORY as LOGGER_CATEGORY } from '$libs/svrs/perm';
 
 export const PERMISSION_DIAGNOSTIC_EVENTS = {
-	DECISION: 'decision',
-	DENIED: 'denied',
-	INDETERMINATE: 'indeterminate'
+	DECISION: 'perm.server.decision',
+	DENIED: 'perm.server.denied',
+	INDETERMINATE: 'perm.server.indeterminate'
 } as const;
 
 export const PERMISSION_LOG_MSG_DECISION = 'authorization decision';
@@ -16,13 +16,13 @@ export const PERMISSION_ERROR_MSG_DISPOSED_SUFFIX = '() called on a disposed per
 export const PERMISSION_ERROR_NAME_INVALID_BODY = 'PermInvalidBodyError';
 export const PERMISSION_ERROR_NAME_DISPOSED = 'PermDisposedError';
 
-export const PERMISSION_METHOD_CHECK = 'check';
-export const PERMISSION_METHOD_CAN = 'can';
-export const PERMISSION_METHOD_ASSERT = 'assert';
-export const PERMISSION_METHOD_EXPLAIN = 'explain';
-export const PERMISSION_METHOD_WHAT = 'what';
-export const PERMISSION_METHOD_WHO = 'who';
-export const PERMISSION_METHOD_FILTER = 'filter';
+export const PERMISSION_METHOD_CHECK = 'perm.check';
+export const PERMISSION_METHOD_CAN = 'perm.can';
+export const PERMISSION_METHOD_ASSERT = 'perm.assert';
+export const PERMISSION_METHOD_EXPLAIN = 'perm.explain';
+export const PERMISSION_METHOD_WHAT = 'perm.what';
+export const PERMISSION_METHOD_WHO = 'perm.who';
+export const PERMISSION_METHOD_FILTER = 'perm.filter';
 
 export const PERMISSION_DB_TABLES = {
 	POLICIES: 'permission_policies',