style(ops): Refine Usage Analytics layout with section titles and separators

config.toml

@@ -25,6 +25,7 @@ separate_tool_calls_panel = false
 bg_shader_enabled = true
 crt_filter_enabled = false
 separate_task_dag = false
+separate_usage_analytics = false
 
 [gui.show_windows]
 "Context Hub" = true
@@ -32,6 +33,7 @@ separate_task_dag = false
 "AI Settings" = true
 "MMA Dashboard" = true
 "Task DAG" = false
+"Usage Analytics" = false
 "Tier 1: Strategy" = true
 "Tier 2: Tech Lead" = true
 "Tier 3: Workers" = true