Implement Priority Round Robin Scheduling Algorithm with Tests

- Added `priority_rr` algorithm to handle scheduling based on priority and round-robin principles.
- Created unit tests for `select()`, `shouldPreempt()`, and `isQuantumExpired()` functions to ensure correct behavior.
- Developed integration tests to validate the scheduling logic under various scenarios, including preemption and round-robin execution.
- Introduced `useExport` hook for exporting process metrics to CSV format.
- Added `useGanttScroll` hook to manage smooth scrolling of the Gantt chart during simulation.

src/hooks/useExport.ts

@@ -0,0 +1,56 @@
+import type { ProcessMetrics } from "@core/types";
+import type { Process } from "@core/types";
+
+interface ProcessMap {
+  [id: string]: Process;
+}
+
+function downloadBlob(content: string, filename: string, mimeType: string) {
+  const blob = new Blob([content], { type: mimeType });
+  const url = URL.createObjectURL(blob);
+  const a = document.createElement("a");
+  a.href = url;
+  a.download = filename;
+  a.click();
+  URL.revokeObjectURL(url);
+}
+
+export function useExport() {
+  const exportCSV = (metrics: ProcessMetrics[], processMap: ProcessMap) => {
+    const headers = [
+      "Processo",
+      "Arrival",
+      "Start",
+      "Finish",
+      "Response",
+      "Turnaround",
+      "Waiting",
+      "CPU Time",
+      "I/O Time",
+      "CPU%",
+      "Bound",
+    ];
+
+    const rows = metrics.map((m) => {
+      const name = processMap[m.processId]?.name ?? m.processId;
+      return [
+        name,
+        m.arrivalTime,
+        m.startTick,
+        m.finishTick,
+        m.responseTime,
+        m.turnaroundTime,
+        m.waitingTime,
+        m.cpuTime,
+        m.ioTime,
+        m.cpuUtilization.toFixed(1),
+        m.boundType,
+      ].join(",");
+    });
+
+    const csv = [headers.join(","), ...rows].join("\n");
+    downloadBlob(csv, "pss-metrics.csv", "text/csv;charset=utf-8;");
+  };
+
+  return { exportCSV };
+}