feat: pull semester/year from the study load search dropdowns

content.js

@@ -102,6 +102,14 @@
     const academicYear = yearEl ? yearEl.value : '';
     const token = tokenEl ? tokenEl.value : '';
 
+    // Semester/year come from the search dropdowns the user picked.
+    // AcademicPeriod's selected option label (e.g. "1ST Semester") + year.
+    const periodLabel = (periodEl && periodEl.selectedOptions && periodEl.selectedOptions[0])
+      ? periodEl.selectedOptions[0].textContent.trim()
+      : '';
+    const selectedPeriod = periodLabel || academicPeriod;
+    const selectedYear = academicYear;
+
     const uniqueCodes = [...new Set(courses.map((c) => c.courseCode))];
     const descMap = {};
     for (const code of uniqueCodes) {
@@ -123,7 +131,12 @@
       header = {};
     }
 
-    return { header, courses };
+    // Semester goes into the header so the PDF shows the dropdown's term/year.
+    header.semester = (selectedPeriod && selectedYear)
+      ? selectedPeriod + ' ' + selectedYear
+      : (header.semester || '');
+
+    return { header, courses, period: selectedPeriod, year: selectedYear };
   }
 
   // ---- On-page Download PDF button ----