fix: add cpu_time_s field to track total CPU time across cores

Author: will-break-it

data/simulation/trace.haskell.d.ts

@@ -15,9 +15,10 @@ type HaskellEvent =
 
 interface HaskellCpuEvent {
     tag: "Cpu";
-    node: number;
+    node: string;
     node_name: string;
     duration_s: number;
+    cpu_time_s: number;
     // CPU task types: Block validation (ValIB, ValEB, ValRB), Header validation (ValIH, ValRH), Vote validation (ValVote). Format: "<task_type>: <id>"
     task_label: string; // e.g., "ValIB: 6-29" or "ValRH: 6253064077348247640"
 }

data/simulation/trace.rust.d.ts

@@ -2,7 +2,7 @@
 
 // Base types
 interface RustBaseEvent {
-    time: number; // nanoseconds
+    time_s: number;
     message: {
         type: string;
         [key: string]: any;
@@ -35,6 +35,8 @@ interface RustCpuEvent extends Omit<RustBaseEvent, "message"> {
         task_type?: RustCpuTaskType;
         subtasks?: number;
         subtask_id?: number;
+        duration_s?: number;
+        cpu_time_s?: number;
         extra?: string;
     };
 }