refactor(logging): standardize rustfs runtime events (#3396)

* fix(rpc): adjust log levels and reduce noise in storage RPC layer

Issue #682: pool rebalance normal flow logs were using warn! instead
of info!. Additionally, several high-frequency RPC entry points (ping,
write_stream, read_at, walk_dir) were logging at info! level, causing
unnecessary log noise in production.

Changes:
- load_rebalance_meta: warn! → info! for normal flow (3 occurrences)
- ping body decode: info! → debug! (fires on every health check)
- write_stream/read_at/walk_dir entry: info! → debug!
- metrics.rs: lowercase error messages, add structured error field
- http_service.rs: add structured error field to walk_dir failure
- Add tracing::instrument fields for start_rebalance context

* refactor(logging): standardize rustfs runtime events

* build(deps): bump workspace dependency versions

* build(deps): pin time to 0.3.47

* build(deps): update postgres client versions

scripts/check_logging_guardrails.sh

@@ -59,6 +59,58 @@ forbidden_patterns=(
   'error!("Failed to initialize SFTP system: {}"'
   'warn!("prewarm_local_disk_id_map: failed to load disk id for {}: {}"'
   'info!("retrying get formats after {:?}"'
+  'info!("📝 Release notes: {}"'
+  'info!("🔗 Download URL: {}"'
+  'debug!("✅ Version check: Current version is up to date: {}"'
+  'warn!("get_notification_config err {:?}"'
+  'error!("ecstore config::init_global_config_sys failed {:?}"'
+  'info!(target: "rustfs::main::startup", "RustFS API: {api_endpoints}  {localhost_endpoint}")'
+  'info!("virtual-hosted-style requests are enabled use domain_name {:?}"'
+  'info!("HTTP response compression enabled: extensions={:?}, mime_patterns={:?}, min_size={} bytes"'
+  'warn!("handle ListCannedPolicies")'
+  'warn!("handle AddCannedPolicy")'
+  'warn!("handle InfoCannedPolicy")'
+  'warn!("handle RemoveCannedPolicy")'
+  'warn!("handle SetPolicyForUserOrGroup")'
+  'warn!("handle Trace")'
+  'warn!("handle AddServiceAccount ")'
+  'warn!("handle UpdateServiceAccount")'
+  'warn!("handle InfoServiceAccount")'
+  'warn!("handle TemporaryAccountInfo")'
+  'warn!("handle InfoAccessKey")'
+  'warn!("handle ListServiceAccount")'
+  'warn!("handle ListAccessKeysBulk")'
+  'warn!("handle DeleteServiceAccount")'
+  'debug!("{action}, e: {:?}")'
+  'warn!("list policies failed, e: {:?}")'
+  'error!("Invalid JSON in configure request: {}")'
+  'warn!("get_sse_config err {:?}")'
+  'warn!("get_cors_config err {:?}")'
+  'warn!("get_notification_config err {:?}")'
+  'warn!("get_tagging_config err {:?}")'
+  'warn!("get_object_lock_config err {:?}")'
+  'info!("Starting get_object_tagging for bucket: {}, object: {}")'
+  'debug!("bucket_sse_config_result={:?}")'
+  'debug!("TDD: bucket_sse_config={:?}")'
+  'info!("Keystone authentication disabled")'
+  'info!("Initializing Keystone authentication...")'
+  'info!("Keystone authentication initialized successfully")'
+  'info!("Created TLS acceptor with root single certificate")'
+  'info!("TLS certificate hot reload enabled, checking every {}s")'
+  'info!("Initializing capacity management system...")'
+  'info!("Capacity management system initialized successfully")'
+  'info!("CPU profile exported: {}")'
+  'warn!("failed to reload current server config for object lambda request: {err}")'
+  'warn!("failed to fetch live events from peer {}: {err}")'
+  'warn!("timed out fetching live events from peer {}")'
+  'warn!("failed to serialize remote listen notification event: {err}")'
+  'warn!("failed to decode live events from peer {}: {err}")'
+  'warn!("failed to serialize listen notification event: {err}")'
+  'warn!("listen notification stream lagged and skipped {skipped} events")'
+  'debug!("Ignoring crypto provider installation error: {err:?}")'
+  'warn!("KMS initialization skipped: {e}")'
+  'warn!("Audit system: {e}")'
+  'warn!("notification system: {e}")'
 )
 
 for pattern in "${forbidden_patterns[@]}"; do