feat: filter DISSOLVED courses and sum units

parsers.js

@@ -81,5 +81,17 @@
       }));
   }
 
-  return { parseStudyLoadTable, parseProfilePage, parseOfferedCourses };
+  function filterStudyLoadCourses(courses) {
+    return (courses || []).filter(
+      (c) => String(c.status || '').trim().toUpperCase() !== 'DISSOLVED'
+    );
+  }
+
+  function sumUnits(courses) {
+    return (courses || [])
+      .reduce((sum, c) => sum + (parseFloat(c.units) || 0), 0)
+      .toFixed(2);
+  }
+
+  return { parseStudyLoadTable, parseProfilePage, parseOfferedCourses, filterStudyLoadCourses, sumUnits };
 });

test/parsers.test.js

@@ -73,3 +73,25 @@ test('parseOfferedCourses strips group suffix from code', () => {
   const it3206n = courses.find(c => c.courseCode === 'IT 3206N');
   assert.ok(it3206n, 'should find IT 3206N');
 });
+
+const { filterStudyLoadCourses, sumUnits } = require('../parsers.js');
+
+test('filterStudyLoadCourses excludes DISSOLVED courses', () => {
+  const courses = [
+    { courseCode: 'CS 5105', status: 'DISSOLVED', units: '3.00' },
+    { courseCode: 'IT 3206', status: 'PARALLEL', units: '3.00' },
+    { courseCode: 'IT 4102N', status: 'REGULAR', units: '3.00' }
+  ];
+  const filtered = filterStudyLoadCourses(courses);
+  assert.deepStrictEqual(filtered.map((c) => c.courseCode), ['IT 3206', 'IT 4102N']);
+});
+
+test('filterStudyLoadCourses handles missing status', () => {
+  const filtered = filterStudyLoadCourses([{ courseCode: 'X', status: '', units: '1' }]);
+  assert.strictEqual(filtered.length, 1);
+});
+
+test('sumUnits computes total from course units', () => {
+  const courses = [{ units: '3.00' }, { units: '3.00' }, { units: '2.00' }];
+  assert.strictEqual(sumUnits(courses), '8.00');
+});