feat: add Test Schedule component with scheduling and completion functionality

Author: Francisca105

frontend/src/components/tasks/TaskTestSchedule.vue

@@ -0,0 +1,68 @@
+<template>
+  <TaskTimelineItem
+    :step-number="stepNumber"
+    title="Test Schedule"
+    :is-complete="isComplete"
+    :is-last="isLast"
+  >
+    <template #icon>
+      <ClipboardCheck class="w-4 h-4" />
+    </template>
+
+    <div class="space-y-4">
+      <div class="space-y-2">
+        <Label for="test-schedule" class="text-sm">Scheduled Time</Label>
+        <Input
+          id="test-schedule"
+          v-model="testSchedule"
+          placeholder="e.g. Monday 14:00"
+        />
+      </div>
+
+      <div class="flex items-center space-x-2">
+        <Checkbox id="test-done" v-model="testDone" />
+        <Label for="test-done" class="text-sm">Test completed</Label>
+      </div>
+    </div>
+  </TaskTimelineItem>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watch } from "vue";
+import TaskTimelineItem from "./TaskTimelineItem.vue";
+import { Checkbox } from "@/components/ui/checkbox";
+import { Label } from "@/components/ui/label";
+import { Input } from "@/components/ui/input";
+import { ClipboardCheck } from "lucide-vue-next";
+import type { SpeakerTasks } from "@/dto/tasks";
+
+interface Props {
+  entityId: string;
+  stepNumber?: number;
+  isLast?: boolean;
+  speakerTasks?: SpeakerTasks;
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  stepNumber: 8,
+  isLast: false,
+  speakerTasks: undefined,
+});
+
+const emit = defineEmits<{
+  "update:testSchedule": [schedule: string, done: boolean];
+}>();
+
+const testSchedule = ref<string>(
+  props.speakerTasks?.materials?.testSchedule ?? "",
+);
+const testDone = ref<boolean>(props.speakerTasks?.materials?.testDone ?? false);
+
+watch([testSchedule, testDone], () => {
+  emit("update:testSchedule", testSchedule.value, testDone.value);
+});
+
+const isComplete = computed(() => testDone.value === true);
+
+defineExpose({ isComplete });
+</script>