chore: add dropped question to reports

src/export/typst/templates/student-report.typ

@@ -121,6 +121,7 @@
       correct: true,
       credit: 1.0,
       bonus: false,
+      dropped: false,
       blank: false,
       class-rate: 0.91,
       taught-in: (),
@@ -451,6 +452,26 @@
   },
 )
 
+#let dropped-questions = cb-data.at("dropped-questions", default: ())
+
+#if dropped-questions.len() > 0 [
+  #block(above: entry-gap)[
+    #pad(right: prose-pad)[
+      #text(size: size-lead)[
+        #plural(dropped-questions.len(), "Question", "Questions")
+        #dropped-questions.map(str).join(", ")
+        #plural(dropped-questions.len(), "was", "were")
+        dropped after the exam and #plural(dropped-questions.len(), "is", "are")
+        not part of anyone's score. Your percentage above is out of the
+        #plural(dropped-questions.len(), "remaining question", "remaining questions").
+        Nothing you wrote on
+        #plural(dropped-questions.len(), "it", "them")
+        counted for or against you.
+      ]
+    ]
+  ]
+]
+
 // ─────────────────────────────────────────────────────────────────────────────
 // Levels
 // ─────────────────────────────────────────────────────────────────────────────
@@ -750,7 +771,10 @@
 #let questions = cb-data.at("questions", default: ())
 
 #let question-box(q) = {
-  let color = if q.at("blank", default: false) { luma(160) } else if q.at("correct", default: false) == true {
+  let dropped = q.at("dropped", default: false)
+  let color = if dropped { luma(130) } else if q.at("blank", default: false) {
+    luma(160)
+  } else if q.at("correct", default: false) == true {
     ok-color
   } else if q.at("credit", default: 0.0) > 0.0 { mid-color } else { bad-color }
   box(
@@ -763,10 +787,15 @@
     #align(center)[
       #text(size: size-small, weight: "bold", fill: color.darken(18%))[#q.number]
       #{
-        let level = q.at("level", default: none)
-        if level != none {
+        if dropped {
           linebreak()
-          text(size: size-tag, fill: luma(120))[L#level]
+          text(size: size-tag, fill: luma(110))[out]
+        } else {
+          let level = q.at("level", default: none)
+          if level != none {
+            linebreak()
+            text(size: size-tag, fill: luma(120))[L#level]
+          }
         }
       }
     ]