From 0a8e63821a92db174968ebe27cc60070b6829fa7 Mon Sep 17 00:00:00 2001
From: itsrubberduck <frappes_remoter.2e@icloud.com>
Date: Sun, 15 Feb 2026 18:30:18 +0100
Subject: [PATCH] feat(classroom): finish expansion with emergency tracks and
 decision mode

---
 app/components/learn/DecisionExercise.vue |  539 ++++++
 app/pages/classroom.vue                   |  244 ++-
 shared/data/learnDecisionModules.ts       |  705 ++++++++
 shared/data/learnModules.ts               | 1826 +++++++++++++++------
 shared/learn/decision-types.ts            |   36 +
 shared/learn/types.ts                     |    7 +-
 6 files changed, 2791 insertions(+), 566 deletions(-)
 create mode 100644 app/components/learn/DecisionExercise.vue
 create mode 100644 shared/data/learnDecisionModules.ts
 create mode 100644 shared/learn/decision-types.ts

diff --git a/app/components/learn/DecisionExercise.vue b/app/components/learn/DecisionExercise.vue
new file mode 100644
index 0000000..c0da5b5
--- /dev/null
+++ b/app/components/learn/DecisionExercise.vue
@@ -0,0 +1,539 @@
+<template>
+  <div v-if="scenario" class="decision-exercise">
+    <section class="decision-briefing">
+      <h4 class="decision-heading">Situation Briefing</h4>
+      <p class="decision-briefing-text">{{ scenario.briefing }}</p>
+    </section>
+
+    <div class="decision-layout">
+      <aside class="stripboard" aria-label="Flight strips">
+        <h5 class="stripboard-title">Stripboard</h5>
+        <div class="strip-list">
+          <article
+            v-for="strip in scenario.strips"
+            :key="strip.callsign"
+            class="strip-card"
+            :class="{ 'is-emergency': strip.status === 'emergency' }"
+          >
+            <header class="strip-head">
+              <strong>{{ strip.callsign }}</strong>
+              <span class="strip-badge">{{ strip.status === 'emergency' ? 'EMERGENCY' : strip.category }}</span>
+            </header>
+            <div class="strip-row">Type: {{ strip.type }}</div>
+            <div class="strip-row">Level: {{ strip.altitude }}</div>
+            <div class="strip-row">Heading: {{ strip.heading }}</div>
+            <div class="strip-row">Position: {{ strip.position }}</div>
+            <div class="strip-row">Intent: {{ strip.intention }}</div>
+          </article>
+        </div>
+      </aside>
+
+      <section v-if="currentStep" class="decision-area" aria-label="Decision step">
+        <header class="decision-step-head">
+          <span class="decision-step-counter">Step {{ stepIndex + 1 }} / {{ totalSteps }}</span>
+          <span class="decision-step-type">{{ currentStep.type }}</span>
+        </header>
+
+        <p class="decision-step-prompt">{{ currentStep.prompt }}</p>
+
+        <div v-if="currentStep.type === 'choice'" class="decision-inputs choice-group">
+          <label v-for="option in currentStep.options || []" :key="option" class="choice-option">
+            <input
+              v-model="choiceAnswers[stepIndex]"
+              type="radio"
+              :name="`step-${stepIndex}`"
+              :value="option"
+              @change="onInteraction"
+            />
+            <span>{{ option }}</span>
+          </label>
+        </div>
+
+        <div
+          v-else-if="currentStep.type === 'sequencing' || currentStep.type === 'priority'"
+          class="decision-inputs order-group"
+        >
+          <div class="order-help">Drag and drop to reorder.</div>
+          <ul class="order-list">
+            <li
+              v-for="(item, idx) in listAnswers[stepIndex] || []"
+              :key="`${item}-${idx}`"
+              class="order-item"
+              draggable="true"
+              @dragstart="onDragStart(idx)"
+              @dragover.prevent
+              @drop="onDrop(idx)"
+            >
+              <span class="drag-handle" aria-hidden="true">::</span>
+              <span>{{ item }}</span>
+            </li>
+          </ul>
+        </div>
+
+        <div v-else-if="currentStep.type === 'assignment'" class="decision-inputs assignment-group">
+          <div
+            v-for="(item, idx) in currentStep.items || []"
+            :key="`${item}-${idx}`"
+            class="assignment-row"
+          >
+            <span class="assignment-label">{{ item }}</span>
+            <select
+              :value="assignmentAnswers[stepIndex]?.[idx] || ''"
+              @change="onAssignmentChange(stepIndex, idx, ($event.target as HTMLSelectElement).value)"
+            >
+              <option value="" disabled>Select</option>
+              <option v-for="option in currentStep.options || []" :key="option" :value="option">{{ option }}</option>
+            </select>
+          </div>
+        </div>
+
+        <div class="decision-controls">
+          <button class="btn soft" type="button" :disabled="stepIndex === 0" @click="goPrev">Previous</button>
+          <button v-if="!isLastStep" class="btn soft" type="button" :disabled="!isCurrentStepAnswered" @click="goNext">Next</button>
+          <button
+            v-else
+            class="btn primary"
+            type="button"
+            :disabled="!allStepsAnswered"
+            @click="evaluateAll"
+          >
+            Evaluate Decision
+          </button>
+        </div>
+
+        <section v-if="summary" class="decision-summary" aria-live="polite">
+          <div class="decision-score">{{ summary.score }}%</div>
+          <div class="decision-breakdown">
+            <span>Safety {{ summary.safety }}%</span>
+            <span>Correctness {{ summary.correctness }}%</span>
+            <span>Efficiency {{ summary.efficiency }}%</span>
+          </div>
+          <ul class="decision-explanations">
+            <li v-for="(step, idx) in scenario.steps" :key="`${step.prompt}-${idx}`">
+              <strong>Step {{ idx + 1 }}:</strong>
+              {{ step.explanation }}
+            </li>
+          </ul>
+        </section>
+      </section>
+    </div>
+  </div>
+  <div v-else class="decision-empty muted">No decision scenario loaded.</div>
+</template>
+
+<script setup lang="ts">
+import { computed, reactive, ref, watch } from 'vue'
+import type { DecisionScenario, DecisionStep } from '~~/shared/learn/decision-types'
+
+const props = defineProps<{
+  scenario: DecisionScenario | null
+}>()
+
+const emit = defineEmits<{
+  complete: [payload: { score: number; safety: number; correctness: number; efficiency: number }]
+}>()
+
+const stepIndex = ref(0)
+const dragIndex = ref<number | null>(null)
+const interactionCount = ref(0)
+
+const choiceAnswers = reactive<Record<number, string>>({})
+const listAnswers = reactive<Record<number, string[]>>({})
+const assignmentAnswers = reactive<Record<number, string[]>>({})
+
+const summary = ref<{ score: number; safety: number; correctness: number; efficiency: number } | null>(null)
+
+const totalSteps = computed(() => props.scenario?.steps.length ?? 0)
+const isLastStep = computed(() => stepIndex.value >= Math.max(totalSteps.value - 1, 0))
+const currentStep = computed<DecisionStep | null>(() => {
+  if (!props.scenario) return null
+  return props.scenario.steps[stepIndex.value] ?? null
+})
+
+function onInteraction() {
+  interactionCount.value += 1
+}
+
+function normalize(value: string): string {
+  return value.trim().toLowerCase()
+}
+
+function initAnswers() {
+  stepIndex.value = 0
+  dragIndex.value = null
+  interactionCount.value = 0
+  summary.value = null
+
+  Object.keys(choiceAnswers).forEach(key => delete choiceAnswers[Number(key)])
+  Object.keys(listAnswers).forEach(key => delete listAnswers[Number(key)])
+  Object.keys(assignmentAnswers).forEach(key => delete assignmentAnswers[Number(key)])
+
+  if (!props.scenario) return
+
+  props.scenario.steps.forEach((step, idx) => {
+    if (step.type === 'choice') {
+      choiceAnswers[idx] = ''
+    }
+    if (step.type === 'sequencing' || step.type === 'priority') {
+      listAnswers[idx] = [...(step.items || [])]
+    }
+    if (step.type === 'assignment') {
+      assignmentAnswers[idx] = (step.items || []).map(() => '')
+    }
+  })
+}
+
+watch(() => props.scenario, () => {
+  initAnswers()
+}, { immediate: true })
+
+function onAssignmentChange(step: number, itemIndex: number, value: string) {
+  if (!assignmentAnswers[step]) return
+  assignmentAnswers[step][itemIndex] = value
+  onInteraction()
+}
+
+function onDragStart(index: number) {
+  dragIndex.value = index
+}
+
+function onDrop(index: number) {
+  const source = dragIndex.value
+  if (source === null || source === index || !listAnswers[stepIndex.value]) return
+  const items = [...listAnswers[stepIndex.value]]
+  const [moved] = items.splice(source, 1)
+  items.splice(index, 0, moved)
+  listAnswers[stepIndex.value] = items
+  dragIndex.value = null
+  onInteraction()
+}
+
+const isCurrentStepAnswered = computed(() => {
+  const step = currentStep.value
+  if (!step) return false
+  if (step.type === 'choice') {
+    return Boolean(choiceAnswers[stepIndex.value])
+  }
+  if (step.type === 'sequencing' || step.type === 'priority') {
+    const answers = listAnswers[stepIndex.value] || []
+    return answers.length === (step.items || []).length
+  }
+  if (step.type === 'assignment') {
+    const answers = assignmentAnswers[stepIndex.value] || []
+    return answers.length > 0 && answers.every(item => Boolean(item))
+  }
+  return false
+})
+
+const allStepsAnswered = computed(() => {
+  if (!props.scenario) return false
+  return props.scenario.steps.every((step, idx) => {
+    if (step.type === 'choice') return Boolean(choiceAnswers[idx])
+    if (step.type === 'sequencing' || step.type === 'priority') {
+      return (listAnswers[idx] || []).length === (step.items || []).length
+    }
+    if (step.type === 'assignment') {
+      const answers = assignmentAnswers[idx] || []
+      return answers.length === (step.items || []).length && answers.every(item => Boolean(item))
+    }
+    return false
+  })
+})
+
+function goPrev() {
+  stepIndex.value = Math.max(0, stepIndex.value - 1)
+}
+
+function goNext() {
+  if (!isCurrentStepAnswered.value) return
+  stepIndex.value = Math.min(totalSteps.value - 1, stepIndex.value + 1)
+}
+
+function scoreSequence(answer: string[], correct: string[]): number {
+  if (!correct.length) return 0
+  const normalizedCorrect = correct.map(normalize)
+  const normalizedAnswer = answer.map(normalize)
+  let hits = 0
+  normalizedCorrect.forEach((value, idx) => {
+    if (normalizedAnswer[idx] === value) hits += 1
+  })
+  return hits / normalizedCorrect.length
+}
+
+function scoreStep(step: DecisionStep, idx: number): number {
+  if (step.type === 'choice') {
+    const answer = choiceAnswers[idx] || ''
+    const expected = typeof step.correct === 'string' ? step.correct : step.correct[0] || ''
+    return normalize(answer) === normalize(expected) ? 1 : 0
+  }
+
+  if (step.type === 'sequencing' || step.type === 'priority') {
+    const answer = listAnswers[idx] || []
+    const expected = Array.isArray(step.correct) ? step.correct : [step.correct]
+    return scoreSequence(answer, expected)
+  }
+
+  if (step.type === 'assignment') {
+    const answer = assignmentAnswers[idx] || []
+    const expected = Array.isArray(step.correct) ? step.correct : [step.correct]
+    return scoreSequence(answer, expected)
+  }
+
+  return 0
+}
+
+function evaluateAll() {
+  if (!props.scenario || !allStepsAnswered.value) return
+
+  const scores = props.scenario.steps.map((step, idx) => scoreStep(step, idx))
+  const avg = scores.length ? scores.reduce((sum, value) => sum + value, 0) / scores.length : 0
+  const correctness = Math.round(avg * 100)
+
+  const criticalScores = props.scenario.steps
+    .map((step, idx) => {
+      const critical = step.type === 'priority' || /emergency|runway|conflict|mayday|tcas/i.test(step.prompt)
+      return critical ? scores[idx] : null
+    })
+    .filter((value): value is number => value !== null)
+
+  const criticalFloor = criticalScores.length ? Math.min(...criticalScores) : avg
+  const safety = Math.round((criticalFloor * 0.65 + avg * 0.35) * 100)
+
+  const baselineActions = props.scenario.steps.length + props.scenario.steps.filter(step => step.type !== 'choice').length
+  const overhead = Math.max(0, interactionCount.value - baselineActions)
+  const efficiency = Math.max(55, Math.min(100, 100 - overhead * 4))
+
+  const score = Math.round(safety * 0.6 + correctness * 0.3 + efficiency * 0.1)
+
+  summary.value = { score, safety, correctness, efficiency }
+  emit('complete', summary.value)
+}
+</script>
+
+<style scoped>
+.decision-exercise {
+  display: grid;
+  gap: 1rem;
+}
+
+.decision-briefing,
+.stripboard,
+.decision-area {
+  border: 1px solid rgba(148, 163, 184, 0.28);
+  border-radius: 14px;
+  background: rgba(2, 6, 23, 0.42);
+  backdrop-filter: blur(8px);
+}
+
+.decision-briefing {
+  padding: 1rem;
+}
+
+.decision-heading {
+  margin: 0;
+  font-size: 1rem;
+}
+
+.decision-briefing-text {
+  margin: 0.45rem 0 0;
+  color: rgba(226, 232, 240, 0.9);
+}
+
+.decision-layout {
+  display: grid;
+  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
+  gap: 1rem;
+}
+
+.stripboard {
+  padding: 0.9rem;
+}
+
+.stripboard-title {
+  margin: 0 0 0.7rem;
+  font-size: 0.95rem;
+  font-weight: 600;
+}
+
+.strip-list {
+  display: grid;
+  gap: 0.65rem;
+}
+
+.strip-card {
+  border: 1px solid rgba(148, 163, 184, 0.26);
+  border-radius: 10px;
+  padding: 0.6rem;
+  background: rgba(15, 23, 42, 0.55);
+}
+
+.strip-card.is-emergency {
+  border-color: rgba(248, 113, 113, 0.72);
+  background: rgba(127, 29, 29, 0.24);
+}
+
+.strip-head {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  gap: 0.5rem;
+  margin-bottom: 0.35rem;
+}
+
+.strip-badge {
+  font-size: 0.7rem;
+  border-radius: 999px;
+  padding: 0.12rem 0.5rem;
+  text-transform: uppercase;
+  letter-spacing: 0.03em;
+  background: rgba(56, 189, 248, 0.2);
+}
+
+.strip-row {
+  color: rgba(203, 213, 225, 0.92);
+  font-size: 0.82rem;
+}
+
+.decision-area {
+  padding: 1rem;
+}
+
+.decision-step-head {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  gap: 0.6rem;
+}
+
+.decision-step-counter {
+  color: rgba(148, 163, 184, 0.95);
+  font-size: 0.8rem;
+}
+
+.decision-step-type {
+  border: 1px solid rgba(56, 189, 248, 0.36);
+  border-radius: 999px;
+  padding: 0.18rem 0.62rem;
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+  font-size: 0.7rem;
+  color: #67e8f9;
+}
+
+.decision-step-prompt {
+  margin: 0.75rem 0 0.95rem;
+  font-size: 1rem;
+}
+
+.decision-inputs {
+  display: grid;
+  gap: 0.6rem;
+}
+
+.choice-option {
+  display: flex;
+  align-items: center;
+  gap: 0.55rem;
+  border: 1px solid rgba(148, 163, 184, 0.25);
+  border-radius: 10px;
+  padding: 0.55rem 0.65rem;
+  background: rgba(15, 23, 42, 0.48);
+}
+
+.order-help {
+  font-size: 0.8rem;
+  color: rgba(148, 163, 184, 0.95);
+}
+
+.order-list {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+  display: grid;
+  gap: 0.5rem;
+}
+
+.order-item {
+  display: flex;
+  align-items: center;
+  gap: 0.65rem;
+  border: 1px solid rgba(148, 163, 184, 0.28);
+  border-radius: 10px;
+  padding: 0.55rem 0.7rem;
+  background: rgba(30, 41, 59, 0.55);
+  cursor: grab;
+}
+
+.drag-handle {
+  color: rgba(125, 211, 252, 0.9);
+  letter-spacing: 0.08em;
+}
+
+.assignment-row {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) 180px;
+  gap: 0.7rem;
+  align-items: center;
+}
+
+.assignment-label {
+  font-size: 0.88rem;
+  color: rgba(226, 232, 240, 0.95);
+}
+
+.assignment-row select {
+  border: 1px solid rgba(148, 163, 184, 0.34);
+  border-radius: 8px;
+  background: rgba(15, 23, 42, 0.62);
+  color: rgba(226, 232, 240, 0.96);
+  padding: 0.4rem 0.55rem;
+}
+
+.decision-controls {
+  margin-top: 1rem;
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.6rem;
+}
+
+.decision-summary {
+  margin-top: 1rem;
+  border-top: 1px solid rgba(148, 163, 184, 0.26);
+  padding-top: 0.85rem;
+}
+
+.decision-score {
+  font-size: 1.8rem;
+  font-weight: 700;
+}
+
+.decision-breakdown {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.7rem;
+  font-size: 0.85rem;
+  color: rgba(125, 211, 252, 0.92);
+}
+
+.decision-explanations {
+  margin: 0.7rem 0 0;
+  padding-left: 1.1rem;
+  color: rgba(203, 213, 225, 0.9);
+}
+
+.decision-empty {
+  border: 1px dashed rgba(148, 163, 184, 0.45);
+  border-radius: 12px;
+  padding: 1rem;
+}
+
+@media (max-width: 980px) {
+  .decision-layout {
+    grid-template-columns: 1fr;
+  }
+
+  .assignment-row {
+    grid-template-columns: 1fr;
+  }
+}
+</style>
diff --git a/app/pages/classroom.vue b/app/pages/classroom.vue
index 6d088fd..e8c5c45 100644
--- a/app/pages/classroom.vue
+++ b/app/pages/classroom.vue
@@ -974,13 +974,13 @@
                 </div>
               </div>
             </div>
-            <div class="console-grid">
+            <div v-if="activeClozeLesson" class="console-grid">
               <div class="col">
                 <div class="label">Briefing</div>
                 <div class="panel">
                   <div class="target-row">
                     <div class="target-main">
-                      <div class="muted small">{{ activeLesson.desc }}</div>
+                      <div class="muted small">{{ activeClozeLesson.desc }}</div>
                       <div
                           class="target-text"
                           :class="{ 'audio-blur': audioContentHidden }"
@@ -1031,7 +1031,7 @@
                   </div>
                 </div>
                 <div class="hints">
-                  <div v-for="hint in activeLesson.hints" :key="hint" class="hint">
+                  <div v-for="hint in activeClozeLesson.hints" :key="hint" class="hint">
                     <v-icon size="16">mdi-lightbulb-on-outline</v-icon>
                     {{ hint }}
                   </div>
@@ -1051,7 +1051,7 @@
                 <div class="label">Your readback</div>
                 <div class="panel readback-panel">
                   <div class="cloze">
-                    <template v-for="(segment, idx) in activeLesson.readback"
+                    <template v-for="(segment, idx) in activeClozeLesson.readback"
                               :key="segment.type === 'field' ? `f-${segment.key}` : `t-${idx}`">
                       <span v-if="segment.type === 'text'" class="cloze-chunk cloze-text">
                         {{
@@ -1098,15 +1098,36 @@
                 <div v-if="result" class="score">
                   <div class="score-num">{{ result.score }}%</div>
                   <div class="muted small">
-                    Fields correct: {{ result.hits }}/{{ activeLesson.fields.length }} · Similarity:
+                    Fields correct: {{ result.hits }}/{{ activeClozeLesson.fields.length }} · Similarity:
                     {{ Math.round(result.sim * 100) }}%
                   </div>
                 </div>
               </div>
             </div>
 
+            <div v-else-if="activeDecisionLesson" class="decision-console">
+              <div class="label">Controller decision</div>
+              <div class="panel decision-panel">
+                <div class="muted small">{{ activeDecisionLesson.desc }}</div>
+                <div class="hints decision-hints">
+                  <div v-for="hint in activeDecisionLesson.hints" :key="hint" class="hint">
+                    <v-icon size="16">mdi-lightbulb-on-outline</v-icon>
+                    {{ hint }}
+                  </div>
+                </div>
+                <DecisionExercise :scenario="decisionScenario" @complete="handleDecisionComplete"/>
+                <div v-if="decisionResult" class="score decision-score-inline">
+                  <div class="score-num">{{ decisionResult.score }}%</div>
+                  <div class="muted small">
+                    Safety {{ decisionResult.safety }}% · Correctness {{ decisionResult.correctness }}% ·
+                    Efficiency {{ decisionResult.efficiency }}%
+                  </div>
+                </div>
+              </div>
+            </div>
+
           </div>
-          <div v-if="showScenarioPracticeHint" class="lesson-tip" role="note">
+          <div v-if="showScenarioPracticeHint && activeClozeLesson" class="lesson-tip" role="note">
             <div class="lesson-tip-icon">
               <v-icon size="20">mdi-dice-multiple</v-icon>
             </div>
@@ -1326,6 +1347,7 @@ import {computed, nextTick, onBeforeUnmount, onMounted, reactive, ref, shallowRe
 import {useRoute, useRouter} from '#imports'
 import {useApi} from '~/composables/useApi'
 import {useAuthStore} from '~/stores/auth'
+import DecisionExercise from '~/components/learn/DecisionExercise.vue'
 import {createDefaultLearnConfig} from '~~/shared/learn/config'
 import type {LearnConfig, LearnProgress, LearnState} from '~~/shared/learn/config'
 import {learnModules, learnTracks, seedFullFlightScenario} from '~~/shared/data/learnModules'
@@ -1337,7 +1359,8 @@ import {
   altitudeToWords,
   minutesToWords
 } from '~~/shared/learn/scenario'
-import type {BlankWidth, Frequency, Lesson, LessonField, ModuleDef, Scenario, TrackDef} from '~~/shared/learn/types'
+import type {DecisionLesson, DecisionScenario} from '~~/shared/learn/decision-types'
+import type {BlankWidth, Frequency, Lesson, LessonField, ModuleDef, ModuleLesson, Scenario, TrackDef} from '~~/shared/learn/types'
 import {loadPizzicatoLite} from '~~/shared/utils/pizzicatoLite'
 import type {PizzicatoLite} from '~~/shared/utils/pizzicatoLite'
 import {createNoiseGenerators, getReadabilityProfile} from '~~/shared/utils/radioEffects'
@@ -1432,12 +1455,20 @@ function tightenedThreshold(length: number, base: number): number {
   return Math.max(base, 0.97)
 }
 
+function isClozeLesson(lesson: ModuleLesson | null | undefined): lesson is Lesson {
+  return Boolean(lesson && 'fields' in lesson && 'readback' in lesson)
+}
+
+function isDecisionLesson(lesson: ModuleLesson | null | undefined): lesson is DecisionLesson {
+  return Boolean(lesson && !('fields' in lesson))
+}
+
 const tracks = shallowRef<TrackDef[]>(learnTracks)
 const modules = computed<ModuleDef[]>(() => tracks.value.flatMap(t => t.modules))
 
 type LessonSearchHit = {
   module: ModuleDef
-  lesson: Lesson
+  lesson: ModuleLesson
   score: number
 }
 
@@ -1632,11 +1663,16 @@ type ManualForm = {
 
 const panel = ref<'hub' | 'module'>('hub')
 const current = ref<ModuleDef | null>(null)
-const activeLesson = ref<Lesson | null>(null)
+const activeLesson = ref<ModuleLesson | null>(null)
 const scenario = ref<Scenario | null>(null)
+const decisionScenario = ref<DecisionScenario | null>(null)
+const decisionResult = ref<{ score: number; safety: number; correctness: number; efficiency: number } | null>(null)
 const moduleStage = ref<'lessons' | 'setup' | 'briefing'>('lessons')
 const pendingLessonId = ref<string | null>(null)
 
+const activeClozeLesson = computed(() => (isClozeLesson(activeLesson.value) ? activeLesson.value : null))
+const activeDecisionLesson = computed(() => (isDecisionLesson(activeLesson.value) ? activeLesson.value : null))
+
 function displayCallsign(value?: string | null, source?: CallsignContext | null): string {
   if (!value) return ''
   const context = source ?? scenario.value
@@ -2570,7 +2606,7 @@ function restartCurrentMission() {
 function startLessonsForCurrent() {
   if (!current.value) return
   const mod = current.value
-  let next: Lesson | undefined
+  let next: ModuleLesson | undefined
   if (pendingLessonId.value) {
     next = mod.lessons.find(lesson => lesson.id === pendingLessonId.value)
   }
@@ -3102,8 +3138,8 @@ onBeforeUnmount(() => {
 
 const fieldMap = computed<Record<string, LessonField>>(() => {
   const map: Record<string, LessonField> = {}
-  if (activeLesson.value) {
-    for (const field of activeLesson.value.fields) {
+  if (activeClozeLesson.value) {
+    for (const field of activeClozeLesson.value.fields) {
       map[field.key] = field
     }
   }
@@ -3111,7 +3147,7 @@ const fieldMap = computed<Record<string, LessonField>>(() => {
 })
 
 const firstReadbackFieldKey = computed<string | null>(() => {
-  const lesson = activeLesson.value
+  const lesson = activeClozeLesson.value
   if (!lesson) return null
   const firstField = lesson.readback.find(segment => segment.type === 'field')
   if (!firstField || firstField.type !== 'field') return null
@@ -3145,8 +3181,8 @@ function focusFirstReadbackField() {
 
 const fieldStates = computed<Record<string, FieldState>>(() => {
   const map: Record<string, FieldState> = {}
-  if (!activeLesson.value || !scenario.value) return map
-  for (const field of activeLesson.value.fields) {
+  if (!activeClozeLesson.value || !scenario.value) return map
+  for (const field of activeClozeLesson.value.fields) {
     const expected = field.expected(scenario.value).trim()
     const answer = (userAnswers[field.key] ?? '').trim()
     const alternatives = field.alternatives?.(scenario.value) ?? []
@@ -3247,10 +3283,10 @@ function fieldExpectedValue(key: string): string {
 }
 
 const targetPhrase = computed(() => {
-  if (!activeLesson.value || !scenario.value) return ''
-  return displayCallsign(activeLesson.value.phrase(scenario.value), scenario.value)
+  if (!activeClozeLesson.value || !scenario.value) return ''
+  return displayCallsign(activeClozeLesson.value.phrase(scenario.value), scenario.value)
 })
-const lessonInfo = computed(() => (activeLesson.value && scenario.value ? activeLesson.value.info(scenario.value) : []))
+const lessonInfo = computed(() => (activeClozeLesson.value && scenario.value ? activeClozeLesson.value.info(scenario.value) : []))
 const showScenarioPracticeHint = computed(() => {
   if (!current.value || !activeLesson.value) return false
   const index = modules.value.findIndex(module => module.id === current.value?.id)
@@ -3327,11 +3363,16 @@ const nextActionLabel = computed(() => {
 })
 
 const lessonHasInput = computed(() => {
-  if (!activeLesson.value) return false
-  return activeLesson.value.fields.some(field => {
-    const value = userAnswers[field.key]
-    return typeof value === 'string' && value.trim().length > 0
-  })
+  if (activeClozeLesson.value) {
+    return activeClozeLesson.value.fields.some(field => {
+      const value = userAnswers[field.key]
+      return typeof value === 'string' && value.trim().length > 0
+    })
+  }
+  if (activeDecisionLesson.value) {
+    return Boolean(decisionResult.value)
+  }
+  return false
 })
 
 const canAdvanceLesson = computed(() => Boolean(nextLessonMeta.value || nextMissionMeta.value))
@@ -3340,7 +3381,17 @@ const missionFooterNoop = () => {
 }
 
 const missionFooterPrimary = computed(() => {
-  if (lessonHasInput.value && !result.value) {
+  if (activeDecisionLesson.value && !decisionResult.value) {
+    return {
+      label: 'Complete decision',
+      icon: 'mdi-traffic-light-outline',
+      disabled: true,
+      action: missionFooterNoop,
+      mode: 'is-check'
+    }
+  }
+
+  if (activeClozeLesson.value && lessonHasInput.value && !result.value) {
     return {
       label: evaluating.value ? 'Checking…' : 'Check lesson',
       icon: 'mdi-check',
@@ -3371,8 +3422,8 @@ const missionFooterPrimary = computed(() => {
 })
 
 const lessonAnswerSignature = computed(() => {
-  if (!activeLesson.value) return ''
-  return activeLesson.value.fields
+  if (!activeClozeLesson.value) return ''
+  return activeClozeLesson.value.fields
       .map(field => (userAnswers[field.key] ?? '').trim())
       .join('|')
 })
@@ -3399,6 +3450,8 @@ watch(activeLesson, lesson => {
   } else {
     stopAudio()
     scenario.value = null
+    decisionScenario.value = null
+    decisionResult.value = null
   }
 })
 
@@ -3480,8 +3533,23 @@ function rollScenario(clear = false) {
   if (!activeLesson.value) return
   pendingAutoSay.value = false
   stopAudio()
+  decisionResult.value = null
+
+  if (isDecisionLesson(activeLesson.value)) {
+    decisionScenario.value = activeLesson.value.generate()
+    scenario.value = null
+    activeFrequency.value = null
+    resetAnswers(true)
+    resetAudioReveal()
+    if (clear) {
+      result.value = null
+    }
+    return
+  }
+
   const generated = activeLesson.value.generate()
   scenario.value = generated
+  decisionScenario.value = null
   const defaultType = activeLesson.value.defaultFrequency
   activeFrequency.value = generated.frequencies.find(freq => freq.type === (defaultType || 'DEL')) || generated.frequencies[0] || null
   resetAnswers(true)
@@ -3565,8 +3633,16 @@ function setActiveFrequency(freq: Frequency) {
 }
 
 function resetAnswers(clearResult = false) {
-  if (!activeLesson.value) return
-  const keys = activeLesson.value.fields.map(field => field.key)
+  if (!activeClozeLesson.value) {
+    Object.keys(userAnswers).forEach(key => {
+      delete userAnswers[key]
+    })
+    if (clearResult) {
+      result.value = null
+    }
+    return
+  }
+  const keys = activeClozeLesson.value.fields.map(field => field.key)
   Object.keys(userAnswers).forEach(key => {
     if (!keys.includes(key)) {
       delete userAnswers[key]
@@ -3585,15 +3661,15 @@ function clearAnswers() {
 }
 
 function fillSolution() {
-  if (!activeLesson.value || !scenario.value) return
-  for (const field of activeLesson.value.fields) {
+  if (!activeClozeLesson.value || !scenario.value) return
+  for (const field of activeClozeLesson.value.fields) {
     userAnswers[field.key] = field.expected(scenario.value)
   }
 }
 
 function computeScore(): ScoreResult | null {
-  if (!activeLesson.value) return null
-  const details = activeLesson.value.fields
+  if (!activeClozeLesson.value) return null
+  const details = activeClozeLesson.value.fields
       .map(field => fieldStates.value[field.key])
       .filter(Boolean) as FieldState[]
   if (!details.length) return null
@@ -3610,42 +3686,74 @@ function computeScore(): ScoreResult | null {
 }
 
 function evaluate() {
-  if (!activeLesson.value || !current.value) return
+  if (!activeClozeLesson.value || !current.value || !activeLesson.value) return
   evaluating.value = true
   try {
     const summary = computeScore()
     if (!summary) return
     result.value = summary
-
-    const modId = current.value.id
-    const lesId = activeLesson.value.id
-    if (!progress.value[modId]) progress.value[modId] = {}
-    const previous = progress.value[modId][lesId] || {best: 0, done: false}
-    const best = Math.max(previous.best || 0, summary.score)
-    const passed = summary.passed || summary.score >= 80
-    const wasDone = previous.done
-
-    progress.value[modId][lesId] = {best, done: passed}
-
-    let gained = 0
-    if (passed && !wasDone) gained += 40
-    if (summary.score >= 95 && summary.score > (previous.best || 0)) gained += 15
-    if (summary.score >= 80 && summary.score > (previous.best || 0)) gained += 10
-
-    if (gained) {
-      xp.value += gained
-      toastNow(`+${gained} XP · ${activeLesson.value.title}`)
-    }
+    applyLessonProgress(summary.score, summary.passed || summary.score >= 80, activeLesson.value.title)
   } finally {
     evaluating.value = false
   }
 }
 
+function applyLessonProgress(score: number, passed: boolean, lessonTitle: string) {
+  if (!current.value || !activeLesson.value) return
+  const modId = current.value.id
+  const lesId = activeLesson.value.id
+  if (!progress.value[modId]) progress.value[modId] = {}
+  const previous = progress.value[modId][lesId] || {best: 0, done: false}
+  const best = Math.max(previous.best || 0, score)
+  const completed = passed || previous.done
+  const wasDone = previous.done
+
+  progress.value[modId][lesId] = {best, done: completed}
+
+  let gained = 0
+  if (completed && !wasDone) gained += 40
+  if (score >= 95 && score > (previous.best || 0)) gained += 15
+  if (score >= 80 && score > (previous.best || 0)) gained += 10
+
+  if (gained) {
+    xp.value += gained
+    toastNow(`+${gained} XP · ${lessonTitle}`)
+  }
+}
+
+function handleDecisionComplete(payload: { score: number; safety: number; correctness: number; efficiency: number }) {
+  if (!activeLesson.value || !activeDecisionLesson.value) return
+  decisionResult.value = payload
+  result.value = null
+  applyLessonProgress(payload.score, payload.score >= 80, activeLesson.value.title)
+}
+
+function moduleTrackLocation(id: string): { track: TrackDef; index: number } | null {
+  for (const track of tracks.value) {
+    const index = track.modules.findIndex(module => module.id === id)
+    if (index >= 0) {
+      return { track, index }
+    }
+  }
+  return null
+}
+
 function isModuleUnlocked(id: string) {
   if (unlockedModules.value.includes(id)) return true
-  if (id === 'normalize') return true
-  const order = modules.value.findIndex(module => module.id === id)
-  const previous = modules.value[order - 1]
+  const location = moduleTrackLocation(id)
+  if (!location) return true
+  const { track, index } = location
+
+  if (track.id === 'abnormal') {
+    if (!moduleCompleted('normalize') || !moduleCompleted('arc')) return false
+  }
+
+  if (track.id === 'atc-perspective') {
+    if (!moduleCompleted('decision-tree')) return false
+  }
+
+  if (index === 0) return true
+  const previous = track.modules[index - 1]
   return previous ? pct(previous.id) >= 80 : true
 }
 
@@ -3670,6 +3778,8 @@ function openModule(id: string, options: { autoStart?: boolean } = {}) {
   panel.value = module ? 'module' : 'hub'
   pendingAutoStart.value = options.autoStart ?? false
   activeLesson.value = null
+  decisionScenario.value = null
+  decisionResult.value = null
 
   if (!module) {
     activeLesson.value = null
@@ -3727,7 +3837,7 @@ function goToPrimaryObjective() {
   panel.value = 'hub'
 }
 
-function selectLesson(lesson: Lesson) {
+function selectLesson(lesson: ModuleLesson) {
   activeLesson.value = lesson
 }
 
@@ -6439,6 +6549,26 @@ onMounted(() => {
   gap: 18px;
 }
 
+.decision-console {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.decision-panel {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.decision-hints {
+  margin-bottom: 4px;
+}
+
+.decision-score-inline {
+  margin-top: 4px;
+}
+
 .cloze {
   display: flex;
   flex-wrap: wrap;
diff --git a/shared/data/learnDecisionModules.ts b/shared/data/learnDecisionModules.ts
new file mode 100644
index 0000000..e29e141
--- /dev/null
+++ b/shared/data/learnDecisionModules.ts
@@ -0,0 +1,705 @@
+import type { DecisionLesson, DecisionScenario, FlightStrip } from '~~/shared/learn/decision-types'
+import type { ModuleDef } from '~~/shared/learn/types'
+
+function gradientArt(colors: string[]): string {
+  const stops = colors
+    .map((color, idx) => `<stop offset="${Math.round((idx / Math.max(colors.length - 1, 1)) * 100)}%" stop-color="${color}"/>`)
+    .join('')
+  const svg = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 240"><defs><linearGradient id="g" x1="0" y1="0" x2="1" y2="1">${stops}</linearGradient></defs><rect fill="url(#g)" width="400" height="240"/></svg>`
+  return `data:image/svg+xml;utf8,${encodeURIComponent(svg)}`
+}
+
+function randInt(min: number, max: number): number {
+  return Math.floor(Math.random() * (max - min + 1)) + min
+}
+
+function sample<T>(values: readonly T[]): T {
+  return values[randInt(0, values.length - 1)]
+}
+
+function shuffle<T>(values: T[]): T[] {
+  const copy = [...values]
+  for (let i = copy.length - 1; i > 0; i--) {
+    const j = randInt(0, i)
+    const tmp = copy[i]
+    copy[i] = copy[j]
+    copy[j] = tmp
+  }
+  return copy
+}
+
+const airlines = ['DLH', 'BAW', 'AFR', 'KLM', 'SWR', 'EZY', 'RYR', 'AUA', 'SAS', 'UAE']
+const aircraftTypes = ['A320', 'A321', 'B738', 'B77W', 'A359', 'C172', 'E190', 'A20N']
+
+function makeCallsign(): string {
+  return `${sample(airlines)}${randInt(101, 999)}`
+}
+
+function categoryForType(type: string): 'heavy' | 'medium' | 'light' {
+  if (['B77W', 'A359', 'B744', 'A388'].includes(type)) return 'heavy'
+  if (['C172', 'DA42', 'SR22'].includes(type)) return 'light'
+  return 'medium'
+}
+
+function makeStrip(partial: Partial<FlightStrip> = {}): FlightStrip {
+  const type = partial.type ?? sample(aircraftTypes)
+  const category = partial.category ?? categoryForType(type)
+  return {
+    callsign: partial.callsign ?? makeCallsign(),
+    type,
+    altitude: partial.altitude ?? `FL${randInt(70, 260)}`,
+    heading: partial.heading ?? `${randInt(0, 35) * 10}`.padStart(3, '0'),
+    position: partial.position ?? sample(['12nm final', 'downwind', 'base leg', 'holding', 'taxiway A', 'departure hold']),
+    intention: partial.intention ?? sample(['arrival', 'departure', 'crossing', 'pushback']),
+    category,
+    status: partial.status ?? 'normal'
+  }
+}
+
+function cloneScenario(scenario: DecisionScenario): DecisionScenario {
+  return JSON.parse(JSON.stringify(scenario)) as DecisionScenario
+}
+
+function scenario(briefing: string, strips: FlightStrip[], steps: DecisionScenario['steps']): DecisionScenario {
+  return cloneScenario({ briefing, strips, steps })
+}
+
+const controllerWorkflowLessons: DecisionLesson[] = [
+  {
+    id: 'controller-departure-sequencing',
+    title: 'Departure Sequencing',
+    desc: 'Sequence departures while respecting wake turbulence and SID conflicts.',
+    keywords: ['Departure', 'Wake', 'Sequencing'],
+    hints: [
+      'Launch lighter traffic first when routes diverge to avoid wake delays.',
+      'Keep same-SID departures separated unless you can guarantee divergence.'
+    ],
+    generate: () => {
+      const heavy = makeStrip({ type: 'B77W', category: 'heavy', intention: 'departure', position: 'holding point A1' })
+      const medium = makeStrip({ type: 'A320', category: 'medium', intention: 'departure', position: 'holding point A1' })
+      const light = makeStrip({ type: 'C172', category: 'light', intention: 'departure', position: 'holding point A1' })
+      const order = [light.callsign, medium.callsign, heavy.callsign]
+      return scenario(
+        'You are Tower. Three departures are ready at the same holding point. Sequence them for safe, efficient flow.',
+        [heavy, medium, light],
+        [
+          {
+            prompt: 'Set the departure order (first to last).',
+            type: 'sequencing',
+            items: shuffle(order),
+            correct: order,
+            explanation: 'Light first, then medium, then heavy keeps wake impact low while maintaining flow.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'controller-arrival-spacing',
+    title: 'Arrival Spacing',
+    desc: 'Build a stable arrival sequence and assign base headings.',
+    keywords: ['Arrival', 'Spacing', 'Approach'],
+    hints: [
+      'Order by distance and closing speed, not just altitude.',
+      'Use heading assignments to create stable spacing before final.'
+    ],
+    generate: () => {
+      const inboundA = makeStrip({ type: 'A320', intention: 'arrival', position: '18nm north', heading: '190' })
+      const inboundB = makeStrip({ type: 'B738', intention: 'arrival', position: '14nm east', heading: '260' })
+      const inboundC = makeStrip({ type: 'E190', intention: 'arrival', position: '22nm west', heading: '090' })
+      const inboundD = makeStrip({ type: 'A359', category: 'heavy', intention: 'arrival', position: '10nm south', heading: '360' })
+      const landingOrder = [inboundD.callsign, inboundB.callsign, inboundA.callsign, inboundC.callsign]
+      return scenario(
+        'You are Approach with four arrivals converging toward runway 26. Build spacing and assign downwind vectors.',
+        [inboundA, inboundB, inboundC, inboundD],
+        [
+          {
+            prompt: 'Choose the safest landing sequence.',
+            type: 'sequencing',
+            items: shuffle(landingOrder),
+            correct: landingOrder,
+            explanation: 'Closest aircraft lands first, then medium traffic, while the most distant is delayed on vector.'
+          },
+          {
+            prompt: 'Assign initial vectors for each callsign (same order as list).',
+            type: 'assignment',
+            items: landingOrder,
+            options: ['180', '210', '240', '270'],
+            correct: ['180', '210', '240', '270'],
+            explanation: 'Staggered base headings preserve spacing into final approach.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'controller-wake-separation',
+    title: 'Wake Turbulence Separation',
+    desc: 'Pick the correct wake turbulence timing constraints.',
+    keywords: ['Wake', 'Separation', 'Timing'],
+    hints: [
+      'Heavy to light combinations need the largest time spacing.',
+      'When in doubt, protect the lighter aircraft.'
+    ],
+    generate: () => scenario(
+      'Heavy traffic is leading on the ILS. You must apply standard wake separation behind it.',
+      [
+        makeStrip({ callsign: makeCallsign(), type: 'B77W', category: 'heavy', intention: 'arrival', position: '5nm final', heading: '262' }),
+        makeStrip({ callsign: makeCallsign(), type: 'A320', category: 'medium', intention: 'arrival', position: '8nm final', heading: '262' }),
+        makeStrip({ callsign: makeCallsign(), type: 'C172', category: 'light', intention: 'arrival', position: '11nm final', heading: '262' })
+      ],
+      [
+        {
+          prompt: 'Which wake turbulence spacing set is correct?',
+          type: 'choice',
+          options: [
+            'Heavy->Medium 2 min, Heavy->Light 3 min, Medium->Light 3 min',
+            'Heavy->Medium 1 min, Heavy->Light 2 min, Medium->Light 2 min',
+            'Heavy->Medium 3 min, Heavy->Light 4 min, Medium->Light 2 min'
+          ],
+          correct: 'Heavy->Medium 2 min, Heavy->Light 3 min, Medium->Light 3 min',
+          explanation: 'This option protects medium and light aircraft from heavy wake in line with standard practice.'
+        }
+      ]
+    )
+  },
+  {
+    id: 'controller-runway-conflict',
+    title: 'Runway Conflict',
+    desc: 'Resolve competing runway requests without compromising safety.',
+    keywords: ['Runway', 'Conflict', 'Tower'],
+    hints: [
+      'Arrivals inside 4nm final strongly limit runway occupancy options.',
+      'Crossings must wait when runway availability is uncertain.'
+    ],
+    generate: () => scenario(
+      'You have one aircraft on 3nm final, one departure lined up, and one aircraft requesting runway crossing.',
+      [
+        makeStrip({ intention: 'arrival', position: '3nm final', heading: '265' }),
+        makeStrip({ intention: 'departure', position: 'line up and wait', heading: '265' }),
+        makeStrip({ intention: 'crossing', position: 'holding short runway', heading: '---', altitude: 'GND' })
+      ],
+      [
+        {
+          prompt: 'What is the safest immediate instruction?',
+          type: 'choice',
+          options: [
+            'Hold the crosser, clear the arrival to land, keep departure holding',
+            'Clear departure immediately and cross runway traffic behind it',
+            'Send arrival around and clear crossing traffic now'
+          ],
+          correct: 'Hold the crosser, clear the arrival to land, keep departure holding',
+          explanation: 'Protecting the arriving aircraft and keeping crossings stopped removes runway conflict risk.'
+        }
+      ]
+    )
+  },
+  {
+    id: 'controller-frequency-priority',
+    title: 'Frequency Priority',
+    desc: 'Prioritize transmissions during heavy frequency load.',
+    keywords: ['Priority', 'Workload', 'Emergency'],
+    hints: [
+      'Emergency traffic is always first.',
+      'Aircraft in airborne critical phases outrank ground requests.'
+    ],
+    generate: () => {
+      const emergency = makeStrip({ status: 'emergency', intention: 'arrival', position: '8nm final', type: 'A320' })
+      const arrivals = [
+        makeStrip({ intention: 'arrival', position: '12nm final', type: 'B738' }),
+        makeStrip({ intention: 'arrival', position: 'downwind', type: 'E190' })
+      ]
+      const departures = [
+        makeStrip({ intention: 'departure', position: 'holding point', type: 'A321' }),
+        makeStrip({ intention: 'departure', position: 'taxiway A', type: 'B738' })
+      ]
+      const ground = [
+        makeStrip({ intention: 'pushback', position: 'stand C12', altitude: 'GND', heading: '---' }),
+        makeStrip({ intention: 'pushback', position: 'stand D8', altitude: 'GND', heading: '---' }),
+        makeStrip({ intention: 'crossing', position: 'taxiway K', altitude: 'GND', heading: '---' })
+      ]
+      const strips = [emergency, ...arrivals, ...departures, ...ground]
+      const order = [
+        emergency.callsign,
+        arrivals[0].callsign,
+        arrivals[1].callsign,
+        departures[0].callsign,
+        departures[1].callsign,
+        ground[0].callsign,
+        ground[1].callsign,
+        ground[2].callsign
+      ]
+      return scenario(
+        'Eight aircraft are calling at once. Rank who should receive ATC attention first.',
+        strips,
+        [
+          {
+            prompt: 'Rank callsigns by transmission priority (highest to lowest).',
+            type: 'priority',
+            items: shuffle(order),
+            correct: order,
+            explanation: 'Emergency first, then airborne traffic in approach phase, then departures, then lower urgency ground traffic.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'controller-weather-deviation',
+    title: 'Weather Deviation Decision',
+    desc: 'Balance weather avoidance requests against conflicting traffic.',
+    keywords: ['Weather', 'Deviation', 'Conflict'],
+    hints: [
+      'Approve deviations only when separation remains protected.',
+      'If conflict exists, offer an alternative heading with clear reason.'
+    ],
+    generate: () => scenario(
+      'An arrival requests 20nm left deviation for weather, but opposite-direction traffic is on that route.',
+      [
+        makeStrip({ intention: 'arrival', position: '25nm final', heading: '270', type: 'A321' }),
+        makeStrip({ intention: 'arrival', position: 'opposite direction 18nm', heading: '090', type: 'B738' }),
+        makeStrip({ intention: 'arrival', position: 'downwind', heading: '180', type: 'E190' })
+      ],
+      [
+        {
+          prompt: 'Pick the best response.',
+          type: 'choice',
+          options: [
+            'Deny full left deviation, issue a smaller right deviation with vectors',
+            'Approve full 20nm left immediately without restrictions',
+            'Ignore the request and maintain present heading'
+          ],
+          correct: 'Deny full left deviation, issue a smaller right deviation with vectors',
+          explanation: 'You acknowledge weather needs while preserving separation by offering a safe alternative.'
+        }
+      ]
+    )
+  }
+]
+
+const thinkLikeAtcLessons: DecisionLesson[] = [
+  {
+    id: 'atc-departure-puzzle',
+    title: 'Departure Puzzle',
+    desc: 'Decide the most efficient departure order from wake and route constraints.',
+    keywords: ['Departure', 'Puzzle', 'Wake'],
+    hints: [
+      'Diverging routes can reduce wake-impact delays.',
+      'Use the runway timeline, not just aircraft size.'
+    ],
+    generate: () => {
+      const heavyNorth = makeStrip({ type: 'B77W', category: 'heavy', intention: 'departure', position: 'holding A1', heading: '360' })
+      const lightSouth = makeStrip({ type: 'C172', category: 'light', intention: 'departure', position: 'holding A1', heading: '180' })
+      const order = [lightSouth.callsign, heavyNorth.callsign]
+      return scenario(
+        'Two departures wait on the same runway. One heavy departs north, one light departs south.',
+        [heavyNorth, lightSouth],
+        [
+          {
+            prompt: 'Set departure order.',
+            type: 'sequencing',
+            items: shuffle(order),
+            correct: order,
+            explanation: 'Launching the light aircraft first can avoid a long wake delay because routes diverge quickly.'
+          },
+          {
+            prompt: 'Pick the best controller reasoning.',
+            type: 'choice',
+            options: [
+              'Light first due diverging tracks, then heavy',
+              'Heavy always first regardless of route',
+              'Delay both until a full stop runway check'
+            ],
+            correct: 'Light first due diverging tracks, then heavy',
+            explanation: 'You still maintain safety while improving flow using route geometry.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'atc-conflict-detection',
+    title: 'Conflict Detection',
+    desc: 'Resolve a converging conflict with an immediate vector decision.',
+    keywords: ['Conflict', 'Vectoring', 'Separation'],
+    hints: [
+      'Intervene early before closure rates spike.',
+      'Turn the aircraft with lower downstream impact when possible.'
+    ],
+    generate: () => {
+      const a = makeStrip({ type: 'A320', intention: 'arrival', position: '20nm west', heading: '090', altitude: 'FL110' })
+      const b = makeStrip({ type: 'B738', intention: 'arrival', position: '18nm south', heading: '360', altitude: 'FL110' })
+      return scenario(
+        'Two arrivals are converging at the same altitude with high closure rate.',
+        [a, b],
+        [
+          {
+            prompt: 'Which aircraft gets the avoidance turn?',
+            type: 'choice',
+            options: [a.callsign, b.callsign],
+            correct: b.callsign,
+            explanation: 'Turning the southbound aircraft creates cleaner spacing with less impact on final sequencing.'
+          },
+          {
+            prompt: `Assign a safe heading to ${b.callsign}.`,
+            type: 'assignment',
+            items: [b.callsign],
+            options: ['030', '060', '120'],
+            correct: ['060'],
+            explanation: 'A moderate heading change resolves the crossing conflict without overcorrecting.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'atc-go-around-call',
+    title: 'Go-Around Decision',
+    desc: 'Decide if a go-around is required and issue a stabilizing instruction.',
+    keywords: ['Go-Around', 'Tower', 'Final'],
+    hints: [
+      'When runway occupancy is uncertain, choose the safer option early.',
+      'A go-around instruction must include heading/altitude if needed.'
+    ],
+    generate: () => {
+      const finalAircraft = makeStrip({ type: 'A320', intention: 'arrival', position: '2nm final', heading: '265', altitude: '2500' })
+      const runwayTraffic = makeStrip({ type: 'E190', intention: 'arrival', position: 'vacating runway', heading: '---', altitude: 'GND' })
+      return scenario(
+        'Final traffic is 2nm out and the runway is not confirmed clear yet.',
+        [finalAircraft, runwayTraffic],
+        [
+          {
+            prompt: 'Choose the immediate action.',
+            type: 'choice',
+            options: [
+              'Issue go-around now',
+              'Wait 10 more seconds and continue approach',
+              'Clear to land and monitor'
+            ],
+            correct: 'Issue go-around now',
+            explanation: 'At 2nm final with uncertain occupancy, a proactive go-around is safest.'
+          },
+          {
+            prompt: `Assign follow-up vector for ${finalAircraft.callsign}.`,
+            type: 'assignment',
+            items: [finalAircraft.callsign],
+            options: ['Runway heading climb 3000', 'Left heading 180 climb 4000', 'Right heading 090 maintain 2000'],
+            correct: ['Runway heading climb 3000'],
+            explanation: 'Runway heading and climb is a stable, predictable miss approach response.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'atc-emergency-reshuffle',
+    title: 'Emergency Reshuffling',
+    desc: 'Rebuild an approach sequence when one flight declares MAYDAY.',
+    keywords: ['Emergency', 'Priority', 'Approach'],
+    hints: [
+      'Emergency traffic jumps to the top priority immediately.',
+      'Re-sequence everyone else with minimal disruption.'
+    ],
+    generate: () => {
+      const normal1 = makeStrip({ intention: 'arrival', position: '9nm final', heading: '262' })
+      const normal2 = makeStrip({ intention: 'arrival', position: '13nm final', heading: '262' })
+      const emergency = makeStrip({ intention: 'arrival', position: '15nm final', heading: '262', status: 'emergency', type: 'A321' })
+      const normal3 = makeStrip({ intention: 'arrival', position: '18nm final', heading: '262' })
+      const newOrder = [emergency.callsign, normal1.callsign, normal2.callsign, normal3.callsign]
+      return scenario(
+        'Four arrivals are sequenced. The third aircraft declares MAYDAY with smoke in cockpit.',
+        [normal1, normal2, emergency, normal3],
+        [
+          {
+            prompt: 'Re-rank arrival priority.',
+            type: 'priority',
+            items: shuffle(newOrder),
+            correct: newOrder,
+            explanation: 'Emergency traffic gets immediate priority; the rest keep relative order where possible.'
+          },
+          {
+            prompt: 'Pick the best instruction for non-emergency traffic.',
+            type: 'choice',
+            options: [
+              'Vector others away and extend downwind for spacing',
+              'Keep all aircraft on present heading',
+              'Clear all to land in current order'
+            ],
+            correct: 'Vector others away and extend downwind for spacing',
+            explanation: 'Protect the emergency path while maintaining separation with managed delays.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'atc-taxi-conflict',
+    title: 'Taxi Conflict Management',
+    desc: 'Resolve a ground intersection conflict with hold and reroute decisions.',
+    keywords: ['Ground', 'Taxi', 'Conflict'],
+    hints: [
+      'Prevent nose-to-nose conflicts before they happen.',
+      'Use one hold and one reroute instead of stopping everyone.'
+    ],
+    generate: () => {
+      const a = makeStrip({ intention: 'taxi', position: 'taxiway B approaching K', altitude: 'GND', heading: '---' })
+      const b = makeStrip({ intention: 'taxi', position: 'taxiway K approaching B', altitude: 'GND', heading: '---' })
+      const c = makeStrip({ intention: 'taxi', position: 'taxiway C inbound to K', altitude: 'GND', heading: '---' })
+      return scenario(
+        'Three taxiing aircraft converge on one intersection with no room for simultaneous movement.',
+        [a, b, c],
+        [
+          {
+            prompt: 'Who should hold position first?',
+            type: 'choice',
+            options: [a.callsign, b.callsign, c.callsign],
+            correct: c.callsign,
+            explanation: 'Holding the latest-arriving aircraft avoids deadlock and keeps two flows moving.'
+          },
+          {
+            prompt: 'Rank next movement order once hold is issued.',
+            type: 'sequencing',
+            items: shuffle([a.callsign, b.callsign, c.callsign]),
+            correct: [a.callsign, b.callsign, c.callsign],
+            explanation: 'Clear one path first, then cross-conflict traffic, then release the held aircraft.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'atc-handoff-timing',
+    title: 'Handoff Timing',
+    desc: 'Choose the best sector handoff timing under downstream congestion.',
+    keywords: ['Handoff', 'Coordination', 'Sector'],
+    hints: [
+      'Standard handoff points are baseline; coordination can adjust timing.',
+      'Do not transfer workload blindly into an overloaded sector.'
+    ],
+    generate: () => scenario(
+      'A climbing departure nears the sector boundary while the next sector reports high workload.',
+      [
+        makeStrip({ intention: 'departure', position: '2nm from boundary', heading: '325', altitude: 'FL145' }),
+        makeStrip({ intention: 'arrival', position: 'holding south stack', heading: '090', altitude: 'FL170' })
+      ],
+      [
+        {
+          prompt: 'Best handoff strategy?',
+          type: 'choice',
+          options: [
+            'Coordinate and handoff at boundary with update',
+            'Handoff immediately to offload your frequency',
+            'Keep aircraft indefinitely in your sector'
+          ],
+          correct: 'Coordinate and handoff at boundary with update',
+          explanation: 'Boundary handoff with coordination balances standards and downstream workload.'
+        }
+      ]
+    )
+  }
+]
+
+const reverseSimLessons: DecisionLesson[] = [
+  {
+    id: 'reverse-busy-ground',
+    title: 'Reverse Sim: Busy Ground',
+    desc: 'Run a full ground sequence with pushback, taxi and inbound conflicts.',
+    keywords: ['Reverse Sim', 'Ground', 'Multi-Step'],
+    hints: [
+      'Keep the movement map in your head and resolve one bottleneck at a time.',
+      'Issue simple instructions that keep options open for the next step.'
+    ],
+    generate: () => {
+      const pushA = makeStrip({ intention: 'pushback', position: 'stand A12', altitude: 'GND', heading: '---' })
+      const pushB = makeStrip({ intention: 'pushback', position: 'stand B18', altitude: 'GND', heading: '---' })
+      const taxiOut = makeStrip({ intention: 'taxi', position: 'taxiway N toward runway 26', altitude: 'GND', heading: '---' })
+      const landed = makeStrip({ intention: 'arrival', position: 'vacated runway via K', altitude: 'GND', heading: '---' })
+      return scenario(
+        'You are Ground with two pushback requests, one taxi-out, and one arrival taxi-in request.',
+        [pushA, pushB, taxiOut, landed],
+        [
+          {
+            prompt: 'Choose pushback order.',
+            type: 'sequencing',
+            items: shuffle([pushA.callsign, pushB.callsign]),
+            correct: [pushA.callsign, pushB.callsign],
+            explanation: 'Releasing A12 first avoids blocking the taxi lane needed by the inbound arrival.'
+          },
+          {
+            prompt: 'Who gets taxi priority through the choke point?',
+            type: 'choice',
+            options: [landed.callsign, taxiOut.callsign],
+            correct: landed.callsign,
+            explanation: 'Inbound traffic already on movement area should clear faster to reduce gridlock.'
+          },
+          {
+            prompt: 'Set final movement order for all four flights.',
+            type: 'priority',
+            items: shuffle([landed.callsign, taxiOut.callsign, pushA.callsign, pushB.callsign]),
+            correct: [landed.callsign, taxiOut.callsign, pushA.callsign, pushB.callsign],
+            explanation: 'Clear the runway-adjacent movement first, then feed departures in controlled order.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'reverse-tower-rush-hour',
+    title: 'Reverse Sim: Tower Rush Hour',
+    desc: 'Handle mixed arrival/departure pressure with potential go-around.',
+    keywords: ['Reverse Sim', 'Tower', 'Rush Hour'],
+    hints: [
+      'Protect the runway timeline first; everything else follows.',
+      'Keep missed-approach contingencies ready before issuing clearances.'
+    ],
+    generate: () => {
+      const dep1 = makeStrip({ intention: 'departure', position: 'line-up runway 26', altitude: 'GND', heading: '262' })
+      const dep2 = makeStrip({ intention: 'departure', position: 'holding A2', altitude: 'GND', heading: '262' })
+      const dep3 = makeStrip({ intention: 'departure', position: 'holding A3', altitude: 'GND', heading: '262' })
+      const arr1 = makeStrip({ intention: 'arrival', position: '4nm final', heading: '262', altitude: '1900' })
+      const arr2 = makeStrip({ intention: 'arrival', position: '8nm final', heading: '262', altitude: '2500' })
+      return scenario(
+        'Tower is saturated: three departures waiting and two arrivals inbound.',
+        [dep1, dep2, dep3, arr1, arr2],
+        [
+          {
+            prompt: 'Who gets immediate runway use?',
+            type: 'choice',
+            options: [arr1.callsign, dep1.callsign],
+            correct: arr1.callsign,
+            explanation: 'An aircraft at 4nm final is in the critical phase and must be protected first.'
+          },
+          {
+            prompt: 'Sequence departures after first arrival lands.',
+            type: 'sequencing',
+            items: shuffle([dep1.callsign, dep2.callsign, dep3.callsign]),
+            correct: [dep1.callsign, dep2.callsign, dep3.callsign],
+            explanation: 'Use the runway-ready aircraft first, then release queued traffic progressively.'
+          },
+          {
+            prompt: `If runway not vacated for ${arr2.callsign}, choose action.`,
+            type: 'choice',
+            options: ['Issue go-around with runway heading climb', 'Continue approach and hope runway clears', 'Stop all departures only'],
+            correct: 'Issue go-around with runway heading climb',
+            explanation: 'Uncertain runway occupancy near short final requires immediate go-around.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'reverse-approach-sequencing',
+    title: 'Reverse Sim: Approach Sequencing',
+    desc: 'Vector five arrivals from different quadrants into a stable stream.',
+    keywords: ['Reverse Sim', 'Approach', 'Sequencing'],
+    hints: [
+      'Convert geometry into order: distance, speed, wake and turn potential.',
+      'Use heading buckets to build predictable spacing.'
+    ],
+    generate: () => {
+      const a = makeStrip({ intention: 'arrival', position: 'north 26nm', heading: '180', altitude: 'FL120', type: 'A320' })
+      const b = makeStrip({ intention: 'arrival', position: 'east 21nm', heading: '270', altitude: 'FL130', type: 'B77W', category: 'heavy' })
+      const c = makeStrip({ intention: 'arrival', position: 'south 18nm', heading: '360', altitude: 'FL110', type: 'B738' })
+      const d = makeStrip({ intention: 'arrival', position: 'west 24nm', heading: '090', altitude: 'FL140', type: 'E190' })
+      const e = makeStrip({ intention: 'arrival', position: 'northwest 16nm', heading: '140', altitude: 'FL100', type: 'A20N' })
+      const landingOrder = [e.callsign, c.callsign, a.callsign, d.callsign, b.callsign]
+      return scenario(
+        'Five arrivals are inbound from all directions. Build a safe, efficient stream to final.',
+        [a, b, c, d, e],
+        [
+          {
+            prompt: 'Set landing order.',
+            type: 'sequencing',
+            items: shuffle(landingOrder),
+            correct: landingOrder,
+            explanation: 'Prioritize nearest/stable aircraft first while delaying heavy traffic for spacing.'
+          },
+          {
+            prompt: 'Assign downwind headings in that order.',
+            type: 'assignment',
+            items: landingOrder,
+            options: ['180', '200', '220', '240', '260'],
+            correct: ['180', '200', '220', '240', '260'],
+            explanation: 'Progressive headings create a stable arrival fan before base turns.'
+          }
+        ]
+      )
+    }
+  },
+  {
+    id: 'reverse-emergency-inbound',
+    title: 'Reverse Sim: Emergency Inbound',
+    desc: 'Rebuild normal flow when an inbound MAYDAY aircraft appears.',
+    keywords: ['Reverse Sim', 'Emergency', 'Priority'],
+    hints: [
+      'State intent clearly: who is number one, and what happens to everyone else.',
+      'Avoid over-managing; simple vectors and holds are safest under pressure.'
+    ],
+    generate: () => {
+      const mayday = makeStrip({ status: 'emergency', intention: 'arrival', position: '14nm final', heading: '260', type: 'A320' })
+      const normal1 = makeStrip({ intention: 'arrival', position: '9nm final', heading: '260', type: 'B738' })
+      const normal2 = makeStrip({ intention: 'arrival', position: '17nm final', heading: '260', type: 'E190' })
+      const dep = makeStrip({ intention: 'departure', position: 'line-up runway', heading: '260', altitude: 'GND' })
+      return scenario(
+        'Normal approach flow is interrupted by a MAYDAY inbound with smoke indication.',
+        [mayday, normal1, normal2, dep],
+        [
+          {
+            prompt: 'Rank immediate priority.',
+            type: 'priority',
+            items: shuffle([mayday.callsign, normal1.callsign, normal2.callsign, dep.callsign]),
+            correct: [mayday.callsign, normal1.callsign, normal2.callsign, dep.callsign],
+            explanation: 'Emergency inbound first; keep departures low priority until sequence stabilizes.'
+          },
+          {
+            prompt: 'Best command for non-emergency arrivals?',
+            type: 'choice',
+            options: [
+              'Extend downwind and expect delay vectors',
+              'Continue both arrivals unchanged',
+              'Clear both to land after emergency'
+            ],
+            correct: 'Extend downwind and expect delay vectors',
+            explanation: 'Controlled delay vectors preserve spacing and keep the emergency path clean.'
+          },
+          {
+            prompt: 'Choose departure handling.',
+            type: 'choice',
+            options: ['Hold departure in position', 'Immediate takeoff before emergency', 'Taxi departure onto runway and wait'],
+            correct: 'Hold departure in position',
+            explanation: 'Stop runway complexity while emergency handling is underway.'
+          }
+        ]
+      )
+    }
+  }
+]
+
+export const atcPerspectiveModules: ModuleDef[] = [
+  {
+    id: 'controller-workflow',
+    title: 'Controller Workflow',
+    subtitle: 'Sequence, separate and prioritize like tower/approach',
+    art: gradientArt(['#004d40', '#00695c', '#00796b']),
+    lessons: controllerWorkflowLessons,
+    meta: { exerciseType: 'decision' }
+  },
+  {
+    id: 'think-like-atc',
+    title: 'Think Like ATC',
+    subtitle: 'Conflict solving and tactical controller decisions',
+    art: gradientArt(['#1b5e20', '#2e7d32', '#388e3c']),
+    lessons: thinkLikeAtcLessons,
+    meta: { exerciseType: 'decision' }
+  },
+  {
+    id: 'reverse-sim',
+    title: 'Reverse Sim',
+    subtitle: 'Multi-step ATC scenarios under pressure',
+    art: gradientArt(['#0d47a1', '#1565c0', '#1976d2']),
+    lessons: reverseSimLessons,
+    meta: { exerciseType: 'decision' }
+  }
+]
+
+export { controllerWorkflowLessons, thinkLikeAtcLessons, reverseSimLessons }
diff --git a/shared/data/learnModules.ts b/shared/data/learnModules.ts
index 90c9d3e..86530f6 100644
--- a/shared/data/learnModules.ts
+++ b/shared/data/learnModules.ts
@@ -1,4 +1,5 @@
-import { createBaseScenario, createScenarioSeries, digitsToWords, formatTemp, lettersToNato } from '~~/shared/learn/scenario'
+import { createBaseScenario, createScenarioSeries, digitsToWords, formatTemp, lettersToNato, minutesToWords } from '~~/shared/learn/scenario'
+import { atcPerspectiveModules } from '~~/shared/data/learnDecisionModules'
 import type { ModuleDef, Scenario, TrackDef } from '~~/shared/learn/types'
 
 function gradientArt(colors: string[]): string {
@@ -3257,513 +3258,6 @@ const fullFlightLessons = [
   }
 ]
 
-/* ────────────────────────────────────────────────────────────
- *  ABNORMAL COMMUNICATIONS
- * ──────────────────────────────────────────────────────────── */
-
-const abnormalCommsLessons = [
-  {
-    id: 'conditional-crossing',
-    title: 'Conditional Runway Crossing',
-    desc: 'Cross a runway behind specific traffic',
-    keywords: ['Conditional', 'Runway', 'Crossing'],
-    hints: [
-      'Conditional clearances always start AND end with the condition — "behind" appears twice.',
-      'Identify the traffic type before the runway and intersection.',
-      'Never cross until the condition is met — the departing traffic must be clear.'
-    ],
-    fields: [
-      {
-        key: 'traffic-type',
-        label: 'Traffic',
-        expected: () => 'departing 737',
-        alternatives: () => ['departing 737', 'Departing 737', 'departing Boeing 737'],
-        placeholder: 'e.g. departing 737',
-        width: 'md' as const
-      },
-      {
-        key: 'runway',
-        label: 'Runway',
-        expected: (scenario: Scenario) => scenario.runway,
-        alternatives: (scenario: Scenario) => [scenario.runway, scenario.runway.replace(/^0/, '')],
-        placeholder: 'e.g. 25C',
-        width: 'sm' as const
-      },
-      {
-        key: 'intersection',
-        label: 'Intersection',
-        expected: (scenario: Scenario) => scenario.taxiRoute.split(' ')[0],
-        placeholder: 'e.g. A5',
-        width: 'sm' as const
-      }
-    ],
-    readback: [
-      { type: 'text' as const, text: 'Behind ' },
-      { type: 'field' as const, key: 'traffic-type', width: 'md' as const },
-      { type: 'text' as const, text: ', cross runway ' },
-      { type: 'field' as const, key: 'runway', width: 'sm' as const },
-      { type: 'text' as const, text: ' at ' },
-      { type: 'field' as const, key: 'intersection', width: 'sm' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, behind, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'GND' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, behind the departing 737, cross runway ${scenario.runway} at ${scenario.taxiRoute.split(' ')[0]}, behind.`,
-    info: (scenario: Scenario) => [
-      `Traffic: departing 737`,
-      `Runway: ${scenario.runway}`,
-      `Intersection: ${scenario.taxiRoute.split(' ')[0]}`,
-      'Conditional clearances must include the condition at the start AND end of the readback.'
-    ],
-    generate: createBaseScenario
-  },
-  {
-    id: 'complex-holding',
-    title: 'Complex Holding Pattern',
-    desc: 'Copy a full holding clearance with all parameters',
-    keywords: ['Holding', 'Pattern', 'EFC'],
-    hints: [
-      'Holding clearances have six parts: direction, fix, inbound course, turn direction, leg time, and EFC.',
-      'Right turns are standard — only non-standard (left) turns are explicitly stated.',
-      'EFC is "expect further clearance" — copy the Zulu time carefully.'
-    ],
-    fields: [
-      {
-        key: 'direction',
-        label: 'Direction',
-        expected: () => 'east',
-        alternatives: () => ['east', 'west', 'north', 'south', 'northeast', 'northwest', 'southeast', 'southwest'],
-        threshold: 0.8,
-        placeholder: 'e.g. east',
-        width: 'sm' as const
-      },
-      {
-        key: 'fix',
-        label: 'Fix',
-        expected: (scenario: Scenario) => scenario.holdingFix,
-        placeholder: 'e.g. TOBAK',
-        width: 'sm' as const
-      },
-      {
-        key: 'inbound-course',
-        label: 'Inbound course',
-        expected: (scenario: Scenario) => scenario.holdingInbound,
-        placeholder: 'e.g. 270',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      },
-      {
-        key: 'turn-direction',
-        label: 'Turn direction',
-        expected: (scenario: Scenario) => scenario.holdingTurn,
-        alternatives: (scenario: Scenario) => [scenario.holdingTurn, scenario.holdingTurn === 'right' ? 'right' : 'left'],
-        placeholder: 'e.g. right',
-        width: 'sm' as const
-      },
-      {
-        key: 'leg-time',
-        label: 'Leg time',
-        expected: (scenario: Scenario) => scenario.holdingLegTime,
-        placeholder: 'e.g. 1.5',
-        width: 'sm' as const
-      },
-      {
-        key: 'efc-time',
-        label: 'EFC time',
-        expected: (scenario: Scenario) => scenario.holdingEfc,
-        placeholder: 'e.g. 1435',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      }
-    ],
-    readback: [
-      { type: 'text' as const, text: 'Hold ' },
-      { type: 'field' as const, key: 'direction', width: 'sm' as const },
-      { type: 'text' as const, text: ' of ' },
-      { type: 'field' as const, key: 'fix', width: 'sm' as const },
-      { type: 'text' as const, text: ', inbound course ' },
-      { type: 'field' as const, key: 'inbound-course', width: 'sm' as const },
-      { type: 'text' as const, text: ', ' },
-      { type: 'field' as const, key: 'turn-direction', width: 'sm' as const },
-      { type: 'text' as const, text: ' turns, ' },
-      { type: 'field' as const, key: 'leg-time', width: 'sm' as const },
-      { type: 'text' as const, text: ' minute legs, expect further clearance ' },
-      { type: 'field' as const, key: 'efc-time', width: 'sm' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'CTR' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, hold east of ${scenario.holdingFix}, inbound course ${scenario.holdingInbound}, ${scenario.holdingTurn} turns, ${scenario.holdingLegTime} minute legs, expect further clearance ${scenario.holdingEfc}.`,
-    info: (scenario: Scenario) => [
-      `Fix: ${scenario.holdingFix}`,
-      `Inbound course: ${scenario.holdingInbound}`,
-      `Turn: ${scenario.holdingTurn}, Leg: ${scenario.holdingLegTime} min`,
-      `EFC: ${scenario.holdingEfc}Z`
-    ],
-    generate: createBaseScenario
-  },
-  {
-    id: 'amended-departure',
-    title: 'Amended Departure Clearance',
-    desc: 'Copy a full re-clearance with SID, altitude, frequency and squawk',
-    keywords: ['Amended', 'Clearance', 'Departure'],
-    hints: [
-      'An amended clearance replaces the original — copy every element.',
-      'Note "climb via SID except maintain" — the initial altitude caps the SID.',
-      'Departure frequency and squawk may differ from the original clearance.'
-    ],
-    fields: [
-      {
-        key: 'destination',
-        label: 'Destination',
-        expected: (scenario: Scenario) => scenario.destination.name,
-        placeholder: 'e.g. Munich',
-        width: 'md' as const
-      },
-      {
-        key: 'sid',
-        label: 'SID',
-        expected: (scenario: Scenario) => scenario.sid,
-        placeholder: 'e.g. TOBAK 5Q',
-        width: 'md' as const
-      },
-      {
-        key: 'altitude',
-        label: 'Initial altitude',
-        expected: (scenario: Scenario) => scenario.altitudes.initial.toString(),
-        placeholder: 'e.g. 5000',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      },
-      {
-        key: 'expect-alt',
-        label: 'Expect altitude',
-        expected: (scenario: Scenario) => scenario.altitudes.climb.toString(),
-        placeholder: 'e.g. 7000',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      },
-      {
-        key: 'dep-freq',
-        label: 'Departure freq',
-        expected: (scenario: Scenario) => scenario.departureFreq,
-        placeholder: 'e.g. 125.350',
-        width: 'md' as const
-      },
-      {
-        key: 'squawk',
-        label: 'Squawk',
-        expected: (scenario: Scenario) => scenario.squawk,
-        placeholder: 'e.g. 4521',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      }
-    ],
-    readback: [
-      { type: 'text' as const, text: 'Amended clearance, cleared to ' },
-      { type: 'field' as const, key: 'destination', width: 'md' as const },
-      { type: 'text' as const, text: ' via ' },
-      { type: 'field' as const, key: 'sid', width: 'md' as const },
-      { type: 'text' as const, text: ' departure, climb via SID except maintain ' },
-      { type: 'field' as const, key: 'altitude', width: 'sm' as const },
-      { type: 'text' as const, text: ', expect ' },
-      { type: 'field' as const, key: 'expect-alt', width: 'sm' as const },
-      { type: 'text' as const, text: ' ten minutes after departure, departure frequency ' },
-      { type: 'field' as const, key: 'dep-freq', width: 'md' as const },
-      { type: 'text' as const, text: ', squawk ' },
-      { type: 'field' as const, key: 'squawk', width: 'sm' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'DEL' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, amended clearance: Cleared to ${scenario.destination.name} via ${scenario.sid} departure, climb via SID except maintain ${scenario.altitudes.initial}, expect ${scenario.altitudes.climb} ten minutes after departure, departure frequency ${scenario.departureFreq}, squawk ${scenario.squawk}.`,
-    info: (scenario: Scenario) => [
-      `Destination: ${scenario.destination.name}`,
-      `SID: ${scenario.sid}`,
-      `Initial: ${scenario.altitudes.initial}, Expect: ${scenario.altitudes.climb}`,
-      `Dep freq: ${scenario.departureFreq}, Squawk: ${scenario.squawk}`
-    ],
-    generate: createBaseScenario
-  },
-  {
-    id: 'speed-then-altitude',
-    title: 'Speed Then Altitude',
-    desc: 'Execute a sequential speed-then-descend instruction',
-    keywords: ['Speed', 'Descent', 'Sequential'],
-    hints: [
-      '"Then" means sequential — reduce speed FIRST, begin descent SECOND.',
-      'Read back both values in the correct order to confirm you understood the sequence.',
-      'Do not descend until the target speed is reached.'
-    ],
-    fields: [
-      {
-        key: 'speed',
-        label: 'Speed (kt)',
-        expected: (scenario: Scenario) => scenario.speedRestriction.toString(),
-        placeholder: 'e.g. 210',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      },
-      {
-        key: 'level',
-        label: 'Flight level',
-        expected: (scenario: Scenario) => scenario.approachAltitude.toString(),
-        placeholder: 'e.g. 5000',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      }
-    ],
-    readback: [
-      { type: 'text' as const, text: 'Reduce speed ' },
-      { type: 'field' as const, key: 'speed', width: 'sm' as const },
-      { type: 'text' as const, text: ' knots, then descend and maintain flight level ' },
-      { type: 'field' as const, key: 'level', width: 'sm' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'APP' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, reduce speed ${scenario.speedRestriction} knots, then descend and maintain flight level ${scenario.approachAltitude}.`,
-    info: (scenario: Scenario) => [
-      `Speed: ${scenario.speedRestriction} knots`,
-      `Descend to: FL${scenario.approachAltitude}`,
-      '"Then" = sequential: speed first, descent second.'
-    ],
-    generate: createBaseScenario
-  },
-  {
-    id: 'immediate-traffic',
-    title: 'Immediate Turn for Traffic',
-    desc: 'Execute an immediate heading change for traffic avoidance',
-    keywords: ['Immediate', 'Traffic', 'Avoidance'],
-    hints: [
-      'IMMEDIATELY means begin the turn while reading back — do not wait.',
-      'Traffic calls include clock position, distance, direction and altitude.',
-      'Comply first, then read back — safety overrides normal sequencing.'
-    ],
-    fields: [
-      {
-        key: 'turn-direction',
-        label: 'Turn direction',
-        expected: () => 'left',
-        alternatives: () => ['left'],
-        placeholder: 'e.g. left',
-        width: 'sm' as const
-      },
-      {
-        key: 'heading',
-        label: 'Heading',
-        expected: (scenario: Scenario) => scenario.vectorHeading,
-        placeholder: 'e.g. 270',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      }
-    ],
-    readback: [
-      { type: 'text' as const, text: 'IMMEDIATELY turning left heading ' },
-      { type: 'field' as const, key: 'heading', width: 'sm' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'APP' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, turn left IMMEDIATELY heading ${scenario.vectorHeading}, traffic 12 o'clock, 3 miles, opposite direction, same level.`,
-    info: (scenario: Scenario) => [
-      `Turn: left heading ${scenario.vectorHeading}`,
-      'Traffic: 12 o\'clock, 3 miles, opposite direction, same level',
-      'IMMEDIATELY = execute while reading back.'
-    ],
-    generate: createBaseScenario
-  },
-  {
-    id: 'multiple-crossing-restrictions',
-    title: 'Multiple Crossing Restrictions',
-    desc: 'Copy a STAR descent with two crossing fixes and altitudes',
-    keywords: ['STAR', 'Crossing', 'Restrictions'],
-    hints: [
-      'Each crossing fix has its own altitude restriction — copy them separately.',
-      'Restrictions can be "at", "at or above", or "at or below" — the wording matters.',
-      'Read back each fix and restriction in the order given.'
-    ],
-    fields: [
-      {
-        key: 'fix1',
-        label: 'Fix 1',
-        expected: (scenario: Scenario) => scenario.crossingFix1,
-        placeholder: 'e.g. ANEKI',
-        width: 'sm' as const
-      },
-      {
-        key: 'restriction1',
-        label: 'Restriction',
-        expected: (scenario: Scenario) => scenario.crossingRestriction1,
-        alternatives: (scenario: Scenario) => [scenario.crossingRestriction1],
-        threshold: 0.8,
-        placeholder: 'e.g. at or above',
-        width: 'md' as const
-      },
-      {
-        key: 'alt1',
-        label: 'Altitude 1',
-        expected: (scenario: Scenario) => scenario.crossingAlt1,
-        placeholder: 'e.g. 10000',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      },
-      {
-        key: 'fix2',
-        label: 'Fix 2',
-        expected: (scenario: Scenario) => scenario.crossingFix2,
-        placeholder: 'e.g. TOBAK',
-        width: 'sm' as const
-      },
-      {
-        key: 'alt2',
-        label: 'Altitude 2',
-        expected: (scenario: Scenario) => scenario.crossingAlt2,
-        placeholder: 'e.g. 6000',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      }
-    ],
-    readback: [
-      { type: 'text' as const, text: 'Descend via the STAR, cross ' },
-      { type: 'field' as const, key: 'fix1', width: 'sm' as const },
-      { type: 'text' as const, text: ' ' },
-      { type: 'field' as const, key: 'restriction1', width: 'md' as const },
-      { type: 'text' as const, text: ' ' },
-      { type: 'field' as const, key: 'alt1', width: 'sm' as const },
-      { type: 'text' as const, text: ', cross ' },
-      { type: 'field' as const, key: 'fix2', width: 'sm' as const },
-      { type: 'text' as const, text: ' at ' },
-      { type: 'field' as const, key: 'alt2', width: 'sm' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'CTR' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, descend via the STAR, cross ${scenario.crossingFix1} ${scenario.crossingRestriction1} ${scenario.crossingAlt1}, cross ${scenario.crossingFix2} at ${scenario.crossingAlt2}.`,
-    info: (scenario: Scenario) => [
-      `Fix 1: ${scenario.crossingFix1} — ${scenario.crossingRestriction1} ${scenario.crossingAlt1}`,
-      `Fix 2: ${scenario.crossingFix2} — at ${scenario.crossingAlt2}`,
-      'Read back each crossing restriction separately.'
-    ],
-    generate: createBaseScenario
-  },
-  {
-    id: 'tcas-ra-override',
-    title: 'TCAS RA Override',
-    desc: 'Reject an ATC instruction due to a TCAS Resolution Advisory',
-    keywords: ['TCAS', 'RA', 'Override'],
-    hints: [
-      'A TCAS RA always takes priority over ATC instructions — you MUST follow the RA.',
-      'Tell ATC "Unable, TCAS RA" to reject their instruction.',
-      'Once clear of conflict, report back: "Clear of conflict, returning to [assigned level]".'
-    ],
-    fields: [
-      {
-        key: 'rejection',
-        label: 'Rejection',
-        expected: () => 'Unable, TCAS RA',
-        alternatives: () => ['Unable, TCAS RA', 'Unable TCAS RA', 'unable, TCAS RA', 'unable TCAS RA'],
-        threshold: 0.75,
-        placeholder: 'e.g. Unable, TCAS RA',
-        width: 'lg' as const
-      },
-      {
-        key: 'resolution',
-        label: 'Resolution report',
-        expected: (scenario: Scenario) => `Clear of conflict, returning to flight level ${scenario.altitudes.climb}`,
-        alternatives: (scenario: Scenario) => [
-          `Clear of conflict, returning to flight level ${scenario.altitudes.climb}`,
-          `Clear of conflict, returning to FL${Math.round(scenario.altitudes.climb / 100)}`,
-          `clear of conflict, returning to flight level ${scenario.altitudes.climb}`,
-        ],
-        threshold: 0.6,
-        placeholder: 'e.g. Clear of conflict, returning to ...',
-        width: 'xl' as const
-      }
-    ],
-    readback: [
-      { type: 'field' as const, key: 'rejection', width: 'lg' as const },
-      { type: 'text' as const, text: ' · ' },
-      { type: 'field' as const, key: 'resolution', width: 'xl' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'CTR' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, descend flight level ${scenario.altitudes.initial}. [TCAS commands: CLIMB, CLIMB NOW]`,
-    info: (scenario: Scenario) => [
-      'ATC says descend — but your TCAS RA commands CLIMB.',
-      'TCAS RA always overrides ATC. Follow the RA, then report clear of conflict.',
-      `Return to: flight level ${scenario.altitudes.climb}`
-    ],
-    generate: createBaseScenario
-  },
-  {
-    id: 'late-runway-change',
-    title: 'Late Runway Change',
-    desc: 'Cancel approach and accept vectors to a new runway',
-    keywords: ['Runway Change', 'Vectors', 'Approach'],
-    hints: [
-      'Read back the cancelled runway, the new heading, the new runway, and the new altitude.',
-      'Confirm which runway is cancelled and which is the new assignment.',
-      'Late changes happen — stay calm and copy all four elements.'
-    ],
-    fields: [
-      {
-        key: 'old-runway',
-        label: 'Old runway',
-        expected: (scenario: Scenario) => scenario.arrivalRunway,
-        alternatives: (scenario: Scenario) => [scenario.arrivalRunway, scenario.arrivalRunway.replace(/^0/, '')],
-        placeholder: 'e.g. 25C',
-        width: 'sm' as const
-      },
-      {
-        key: 'heading',
-        label: 'Heading',
-        expected: (scenario: Scenario) => scenario.vectorHeading,
-        placeholder: 'e.g. 180',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      },
-      {
-        key: 'new-runway',
-        label: 'New runway',
-        expected: (scenario: Scenario) => scenario.runway,
-        alternatives: (scenario: Scenario) => [scenario.runway, scenario.runway.replace(/^0/, '')],
-        placeholder: 'e.g. 07R',
-        width: 'sm' as const
-      },
-      {
-        key: 'altitude',
-        label: 'Altitude',
-        expected: (scenario: Scenario) => scenario.approachAltitude.toString(),
-        placeholder: 'e.g. 4000',
-        width: 'sm' as const,
-        inputmode: 'numeric' as const
-      }
-    ],
-    readback: [
-      { type: 'text' as const, text: 'Cancel approach runway ' },
-      { type: 'field' as const, key: 'old-runway', width: 'sm' as const },
-      { type: 'text' as const, text: ', turn right heading ' },
-      { type: 'field' as const, key: 'heading', width: 'sm' as const },
-      { type: 'text' as const, text: ', vectors runway ' },
-      { type: 'field' as const, key: 'new-runway', width: 'sm' as const },
-      { type: 'text' as const, text: ', descend ' },
-      { type: 'field' as const, key: 'altitude', width: 'sm' as const },
-      { type: 'text' as const, text: (scenario: Scenario) => `, ${scenario.radioCall}` }
-    ],
-    defaultFrequency: 'APP' as const,
-    phrase: (scenario: Scenario) =>
-      `${scenario.radioCall}, cancel approach runway ${scenario.arrivalRunway}, turn right heading ${scenario.vectorHeading}, vectors runway ${scenario.runway}, descend ${scenario.approachAltitude}.`,
-    info: (scenario: Scenario) => [
-      `Cancelled: runway ${scenario.arrivalRunway}`,
-      `New: runway ${scenario.runway}, heading ${scenario.vectorHeading}`,
-      `Descend to: ${scenario.approachAltitude}`
-    ],
-    generate: createBaseScenario
-  }
-]
-
 /* ────────────────────────────────────────────────────────────
  *  ABNORMAL COMMS
  * ──────────────────────────────────────────────────────────── */
@@ -4691,6 +4185,1302 @@ const vatsimEssentialsLessons = [
   }
 ]
 
+function emergencyCallsignAlternatives(scenario: Scenario): string[] {
+  return [
+    scenario.radioCall,
+    `${scenario.airlineCall} ${scenario.flightNumber}`,
+    scenario.callsign
+  ]
+}
+
+function emergencyStation(scenario: Scenario): string {
+  return `${scenario.airport.city} Center`
+}
+
+function emergencyAssistance(): string {
+  return 'priority vectors and immediate approach'
+}
+
+function emergencyCancelReason(scenario: Scenario): string {
+  return `${scenario.emergencyProblem} resolved`
+}
+
+function squawkPhraseology(scenario: Scenario): string {
+  if (scenario.squawk === '7600') return 'radio failure, squawking seven six zero zero'
+  if (scenario.squawk === '7500') return 'unlawful interference, squawk seven five zero zero set'
+  return 'general emergency, squawking seven seven zero zero'
+}
+
+function createSquawkCodeScenario(): Scenario {
+  const scenario = createBaseScenario()
+  const code = sample(['7700', '7600', '7500'])
+  scenario.squawk = code
+  scenario.squawkWords = digitsToWords(code)
+  if (code === '7700') {
+    scenario.emergencyProblem = 'engine fire'
+    scenario.emergencyIntent = `immediate landing at ${scenario.airport.city}`
+  } else if (code === '7600') {
+    scenario.emergencyProblem = 'radio failure'
+    scenario.emergencyIntent = 'continue with lost comms procedure'
+  } else {
+    scenario.emergencyProblem = 'unlawful interference'
+    scenario.emergencyIntent = 'request discreet handling'
+  }
+  return scenario
+}
+
+const emergencyBasicsLessons = [
+  {
+    id: 'mayday-declaration',
+    title: 'MAYDAY Declaration',
+    desc: 'Build a complete MAYDAY call with position, fuel and souls on board',
+    keywords: ['Emergency', 'MAYDAY', 'Distress'],
+    hints: [
+      'Say MAYDAY three times first, then station and callsign.',
+      'Include nature, intentions, position, heading, fuel in minutes and souls on board.'
+    ],
+    fields: [
+      {
+        key: 'mayday-station',
+        label: 'Station',
+        expected: scenario => emergencyStation(scenario),
+        alternatives: scenario => [`${scenario.airport.city} center`, `${scenario.airport.name} center`],
+        width: 'lg' as const
+      },
+      {
+        key: 'mayday-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'mayday-nature',
+        label: 'Nature',
+        expected: scenario => scenario.emergencyProblem,
+        width: 'xl' as const
+      },
+      {
+        key: 'mayday-intentions',
+        label: 'Intentions',
+        expected: scenario => scenario.emergencyIntent,
+        width: 'xl' as const
+      },
+      {
+        key: 'mayday-position',
+        label: 'Position',
+        expected: scenario => scenario.positionDescription,
+        alternatives: scenario => [scenario.positionDescription.toLowerCase()],
+        threshold: 0.7,
+        width: 'xl' as const
+      },
+      {
+        key: 'mayday-heading',
+        label: 'Heading',
+        expected: scenario => scenario.emergencyHeading,
+        alternatives: scenario => [scenario.emergencyHeadingWords],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      },
+      {
+        key: 'mayday-fuel',
+        label: 'Fuel (minutes)',
+        expected: scenario => scenario.fuelMinutes.toString(),
+        alternatives: scenario => [scenario.fuelMinutesWords, `${scenario.fuelMinutes} minutes`],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      },
+      {
+        key: 'mayday-souls',
+        label: 'Souls on board',
+        expected: scenario => scenario.soulsOnBoard.toString(),
+        alternatives: scenario => [scenario.soulsOnBoardWords],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'MAYDAY MAYDAY MAYDAY, ' },
+      { type: 'field' as const, key: 'mayday-station', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'mayday-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'mayday-nature', width: 'xl' as const },
+      { type: 'text' as const, text: ', intentions ' },
+      { type: 'field' as const, key: 'mayday-intentions', width: 'xl' as const },
+      { type: 'text' as const, text: ', position ' },
+      { type: 'field' as const, key: 'mayday-position', width: 'xl' as const },
+      { type: 'text' as const, text: ', heading ' },
+      { type: 'field' as const, key: 'mayday-heading', width: 'sm' as const },
+      { type: 'text' as const, text: ', fuel ' },
+      { type: 'field' as const, key: 'mayday-fuel', width: 'sm' as const },
+      { type: 'text' as const, text: ' minutes, ' },
+      { type: 'field' as const, key: 'mayday-souls', width: 'sm' as const },
+      { type: 'text' as const, text: ' souls on board' }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `You have ${scenario.emergencyProblem}. Declare full MAYDAY with heading ${scenario.emergencyHeading}, fuel ${scenario.fuelMinutes} minutes, and ${scenario.soulsOnBoard} souls on board.`,
+    info: scenario => [
+      'MAYDAY is spoken three times for distress.',
+      `Position: ${scenario.positionDescription}`,
+      'Fuel must be given as time remaining, not kilograms or pounds.'
+    ],
+    generate: createBaseScenario
+  },
+  {
+    id: 'pan-pan-declaration',
+    title: 'PAN PAN Declaration',
+    desc: 'Build a complete PAN PAN urgency message',
+    keywords: ['Emergency', 'PAN PAN', 'Urgency'],
+    hints: [
+      'PAN PAN is spoken three times (six words total: PAN PAN PAN PAN PAN PAN).',
+      'Include requested assistance and fuel time.'
+    ],
+    fields: [
+      {
+        key: 'pan-addressee',
+        label: 'Addressee',
+        expected: scenario => emergencyStation(scenario),
+        alternatives: () => ['all stations'],
+        width: 'lg' as const
+      },
+      {
+        key: 'pan-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'pan-position',
+        label: 'Position',
+        expected: scenario => scenario.positionDescription,
+        alternatives: scenario => [scenario.positionDescription.toLowerCase()],
+        threshold: 0.7,
+        width: 'xl' as const
+      },
+      {
+        key: 'pan-nature',
+        label: 'Nature',
+        expected: scenario => scenario.emergencyProblem,
+        width: 'xl' as const
+      },
+      {
+        key: 'pan-assistance',
+        label: 'Assistance',
+        expected: () => emergencyAssistance(),
+        alternatives: () => ['priority vectors', 'priority handling', 'immediate approach'],
+        threshold: 0.6,
+        width: 'xl' as const
+      },
+      {
+        key: 'pan-fuel',
+        label: 'Fuel (minutes)',
+        expected: scenario => scenario.fuelMinutes.toString(),
+        alternatives: scenario => [scenario.fuelMinutesWords, `${scenario.fuelMinutes} minutes`],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      },
+      {
+        key: 'pan-souls',
+        label: 'POB',
+        expected: scenario => scenario.soulsOnBoard.toString(),
+        alternatives: scenario => [scenario.soulsOnBoardWords],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'PAN PAN PAN PAN PAN PAN, ' },
+      { type: 'field' as const, key: 'pan-addressee', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'pan-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', position ' },
+      { type: 'field' as const, key: 'pan-position', width: 'xl' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'pan-nature', width: 'xl' as const },
+      { type: 'text' as const, text: ', request ' },
+      { type: 'field' as const, key: 'pan-assistance', width: 'xl' as const },
+      { type: 'text' as const, text: ', fuel ' },
+      { type: 'field' as const, key: 'pan-fuel', width: 'sm' as const },
+      { type: 'text' as const, text: ' minutes, ' },
+      { type: 'field' as const, key: 'pan-souls', width: 'sm' as const },
+      { type: 'text' as const, text: ' souls on board' }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `Passenger issue on board and no immediate danger. Build a full PAN PAN call with fuel ${scenario.fuelMinutes} minutes and ${scenario.soulsOnBoard} souls on board.`,
+    info: () => [
+      'PAN PAN is urgency, not distress.',
+      'Souls on board includes passengers and crew.'
+    ],
+    generate: createBaseScenario
+  },
+  {
+    id: 'mayday-vs-panpan-fuel',
+    title: 'MAYDAY FUEL vs PAN PAN FUEL',
+    desc: 'Choose the correct fuel urgency call and build the message',
+    keywords: ['Fuel', 'MAYDAY FUEL', 'PAN PAN FUEL'],
+    hints: [
+      'Below final reserve: MAYDAY FUEL.',
+      'Above reserve but critical trend: PAN PAN FUEL / MINIMUM FUEL.'
+    ],
+    fields: [
+      {
+        key: 'fuel-call-type',
+        label: 'Call type',
+        expected: scenario => (scenario.fuelMinutes <= 30 ? 'MAYDAY FUEL' : 'PAN PAN FUEL'),
+        alternatives: scenario => (scenario.fuelMinutes <= 30 ? ['MAYDAY', 'mayday fuel'] : ['PAN PAN', 'minimum fuel']),
+        width: 'md' as const
+      },
+      {
+        key: 'fuel-state',
+        label: 'Fuel state',
+        expected: scenario => `${scenario.fuelMinutes} minutes`,
+        alternatives: scenario => [scenario.fuelMinutes.toString(), scenario.fuelMinutesWords],
+        width: 'md' as const
+      },
+      {
+        key: 'fuel-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'fuel-request',
+        label: 'Request',
+        expected: () => emergencyAssistance(),
+        alternatives: () => ['priority handling', 'shortest approach', 'direct vectors'],
+        threshold: 0.6,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'fuel-call-type', width: 'md' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'fuel-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', fuel ' },
+      { type: 'field' as const, key: 'fuel-state', width: 'md' as const },
+      { type: 'text' as const, text: ', request ' },
+      { type: 'field' as const, key: 'fuel-request', width: 'xl' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `Planned final reserve is 30 minutes. Current fuel remaining is ${scenario.fuelMinutes} minutes. Choose the correct fuel urgency call.`,
+    info: scenario => [
+      'MINIMUM/PAN PAN fuel is advisory when still above reserve.',
+      `Current fuel: ${scenario.fuelMinutes} minutes (reserve threshold: 30).`
+    ],
+    generate: createBaseScenario
+  },
+  {
+    id: 'emergency-descent',
+    title: 'Emergency Descent',
+    desc: 'Announce emergency descent and squawk assignment',
+    keywords: ['Emergency Descent', '7700'],
+    hints: [
+      'State leaving level and intention to descend immediately.',
+      'Squawk 7700 for general emergency.'
+    ],
+    fields: [
+      {
+        key: 'descent-station',
+        label: 'Station',
+        expected: scenario => emergencyStation(scenario),
+        width: 'lg' as const
+      },
+      {
+        key: 'descent-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'descent-level',
+        label: 'Leaving level',
+        expected: scenario => scenario.altitudes.climb.toString(),
+        alternatives: scenario => [scenario.altitudes.climbWords, `FL${Math.round(scenario.altitudes.climb / 100)}`],
+        width: 'md' as const,
+        inputmode: 'numeric' as const
+      },
+      {
+        key: 'descent-squawk',
+        label: 'Squawk',
+        expected: () => '7700',
+        alternatives: () => ['seven seven zero zero', '7700'],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'MAYDAY MAYDAY MAYDAY, ' },
+      { type: 'field' as const, key: 'descent-station', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'descent-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', emergency descent, leaving ' },
+      { type: 'field' as const, key: 'descent-level', width: 'md' as const },
+      { type: 'text' as const, text: ', squawking ' },
+      { type: 'field' as const, key: 'descent-squawk', width: 'sm' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `${scenario.radioCall}, cabin depressurization, emergency descent from ${scenario.altitudes.climb}.`,
+    info: () => [
+      'General emergency code is 7700.',
+      'Execute the descent while transmitting.'
+    ],
+    generate: createBaseScenario
+  },
+  {
+    id: 'emergency-query-response',
+    title: 'ATC Emergency Query Response',
+    desc: 'Respond with fuel in minutes and souls on board',
+    keywords: ['Fuel', 'Souls on Board', 'Emergency'],
+    hints: [
+      'Fuel must be reported in minutes, not weight.',
+      'Souls on board includes crew and passengers.'
+    ],
+    fields: [
+      {
+        key: 'query-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'query-fuel',
+        label: 'Fuel (minutes)',
+        expected: scenario => scenario.fuelMinutes.toString(),
+        alternatives: scenario => [scenario.fuelMinutesWords, `${scenario.fuelMinutes} minutes`],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      },
+      {
+        key: 'query-souls',
+        label: 'Souls',
+        expected: scenario => scenario.soulsOnBoard.toString(),
+        alternatives: scenario => [scenario.soulsOnBoardWords],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'query-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', fuel ' },
+      { type: 'field' as const, key: 'query-fuel', width: 'sm' as const },
+      { type: 'text' as const, text: ' minutes, ' },
+      { type: 'field' as const, key: 'query-souls', width: 'sm' as const },
+      { type: 'text' as const, text: ' souls on board' }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: () => 'State fuel remaining and souls on board.',
+    info: () => [
+      'ATC expects fuel in minutes remaining.',
+      'Do not report fuel in kilograms or pounds for this question.'
+    ],
+    generate: createBaseScenario
+  },
+  {
+    id: 'cancel-emergency',
+    title: 'Cancel Emergency',
+    desc: 'Cancel MAYDAY/PAN PAN when the situation is resolved',
+    keywords: ['Cancel', 'MAYDAY', 'PAN PAN'],
+    hints: [
+      'State cancel MAYDAY or cancel PAN PAN explicitly.',
+      'Briefly provide reason and intentions.'
+    ],
+    fields: [
+      {
+        key: 'cancel-station',
+        label: 'Station',
+        expected: scenario => emergencyStation(scenario),
+        width: 'lg' as const
+      },
+      {
+        key: 'cancel-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'cancel-calltype',
+        label: 'Cancel type',
+        expected: () => 'MAYDAY',
+        alternatives: () => ['PAN PAN', 'mayday', 'pan pan'],
+        width: 'md' as const
+      },
+      {
+        key: 'cancel-reason',
+        label: 'Reason',
+        expected: scenario => emergencyCancelReason(scenario),
+        alternatives: scenario => ['problem resolved', `${scenario.emergencyProblem} resolved`],
+        threshold: 0.6,
+        width: 'xl' as const
+      },
+      {
+        key: 'cancel-intentions',
+        label: 'Intentions',
+        expected: scenario => scenario.emergencyIntent,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'cancel-station', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'cancel-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', cancel ' },
+      { type: 'field' as const, key: 'cancel-calltype', width: 'md' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'cancel-reason', width: 'xl' as const },
+      { type: 'text' as const, text: ', request ' },
+      { type: 'field' as const, key: 'cancel-intentions', width: 'xl' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `Situation stabilised. Cancel the emergency and state next intent: ${scenario.emergencyIntent}.`,
+    info: () => [
+      'Only cancel when emergency is actually resolved and controllable.',
+      'Use short, unambiguous phraseology.'
+    ],
+    generate: createBaseScenario
+  },
+  {
+    id: 'emergency-squawk-codes',
+    title: 'Emergency Squawk Codes',
+    desc: 'Choose and report the correct emergency transponder code',
+    keywords: ['7700', '7600', '7500', 'Squawk'],
+    hints: [
+      '7700 = general emergency, 7600 = radio failure, 7500 = unlawful interference.',
+      '7500 is never cancelled by routine radio phraseology.'
+    ],
+    fields: [
+      {
+        key: 'squawk-code',
+        label: 'Squawk',
+        expected: scenario => scenario.squawk,
+        alternatives: scenario => [scenario.squawkWords, scenario.squawk.split('').join(' ')],
+        width: 'sm' as const,
+        inputmode: 'numeric' as const
+      },
+      {
+        key: 'squawk-phrase',
+        label: 'Phraseology',
+        expected: scenario => squawkPhraseology(scenario),
+        alternatives: () => [
+          'general emergency, squawking seven seven zero zero',
+          'radio failure, squawking seven six zero zero',
+          'unlawful interference, squawk seven five zero zero set'
+        ],
+        threshold: 0.65,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Squawking ' },
+      { type: 'field' as const, key: 'squawk-code', width: 'sm' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'squawk-phrase', width: 'xl' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `Scenario: ${scenario.emergencyProblem}. Choose the correct squawk and phraseology.`,
+    info: scenario => [
+      `Current scenario cue: ${scenario.emergencyProblem}`,
+      '7500 should not be casually discussed if unlawful interference is suspected.'
+    ],
+    generate: createSquawkCodeScenario
+  }
+]
+
+const medicalEmergencySeries = createScenarioSeries(() => {
+  const scenario = createBaseScenario()
+  scenario.emergencyProblem = 'medical emergency on board'
+  scenario.emergencyIntent = `priority landing at ${scenario.destination.city}`
+  return scenario
+})
+
+const engineFailureSeries = createScenarioSeries(() => {
+  const scenario = createBaseScenario()
+  scenario.emergencyProblem = 'engine failure'
+  scenario.emergencyIntent = `vectors for immediate return to ${scenario.airport.city}`
+  return scenario
+})
+
+const fuelEmergencySeries = createScenarioSeries(() => {
+  const scenario = createBaseScenario()
+  scenario.emergencyProblem = 'fuel critical state'
+  scenario.fuelMinutes = randInt(20, 35)
+  scenario.fuelMinutesWords = minutesToWords(scenario.fuelMinutes)
+  scenario.emergencyIntent = `priority direct approach to runway ${scenario.arrivalRunway}`
+  return scenario
+})
+
+const diversionSeries = createScenarioSeries(() => {
+  const scenario = createBaseScenario()
+  scenario.emergencyProblem = 'technical issue requiring diversion'
+  scenario.emergencyIntent = `divert to ${scenario.destination.city}`
+  return scenario
+})
+
+const makeMedicalEmergencyGenerator = (reset = false) => () => {
+  if (reset) medicalEmergencySeries.reset()
+  return medicalEmergencySeries()
+}
+
+const makeEngineFailureGenerator = (reset = false) => () => {
+  if (reset) engineFailureSeries.reset()
+  return engineFailureSeries()
+}
+
+const makeFuelEmergencyGenerator = (reset = false) => () => {
+  if (reset) fuelEmergencySeries.reset()
+  return fuelEmergencySeries()
+}
+
+const makeDiversionGenerator = (reset = false) => () => {
+  if (reset) diversionSeries.reset()
+  return diversionSeries()
+}
+
+const emergencyScenarioLessons = [
+  {
+    id: 'medical-cruise-checkin',
+    title: 'Medical Emergency · Cruise Check-in',
+    desc: 'Normal check-in before the urgency call',
+    keywords: ['Medical', 'Scenario', 'Check-in'],
+    hints: [
+      'Start with callsign, level and position.',
+      'This step sets context before the PAN PAN call.'
+    ],
+    fields: [
+      {
+        key: 'med-check-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'med-check-level',
+        label: 'Level',
+        expected: scenario => scenario.altitudes.climb.toString(),
+        alternatives: scenario => [scenario.altitudes.climbWords, `FL${Math.round(scenario.altitudes.climb / 100)}`],
+        width: 'md' as const
+      },
+      {
+        key: 'med-check-position',
+        label: 'Position',
+        expected: scenario => scenario.positionDescription,
+        alternatives: scenario => [scenario.positionDescription.toLowerCase()],
+        threshold: 0.7,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'med-check-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', level ' },
+      { type: 'field' as const, key: 'med-check-level', width: 'md' as const },
+      { type: 'text' as const, text: ', position ' },
+      { type: 'field' as const, key: 'med-check-position', width: 'xl' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario => `${scenario.radioCall}, report level ${scenario.altitudes.climb} and position.`,
+    info: () => ['Build a clean baseline report before escalating urgency.'],
+    generate: makeMedicalEmergencyGenerator(true)
+  },
+  {
+    id: 'medical-panpan-declaration',
+    title: 'Medical Emergency · PAN PAN',
+    desc: 'Declare urgency and request priority handling',
+    keywords: ['Medical', 'PAN PAN', 'Scenario'],
+    hints: [
+      'Use PAN PAN six-word opener.',
+      'Include assistance request, fuel time and souls on board.'
+    ],
+    fields: [
+      {
+        key: 'med-pan-station',
+        label: 'Station',
+        expected: scenario => emergencyStation(scenario),
+        width: 'lg' as const
+      },
+      {
+        key: 'med-pan-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'med-pan-assist',
+        label: 'Assistance',
+        expected: () => emergencyAssistance(),
+        alternatives: () => ['priority handling', 'immediate vectors'],
+        width: 'xl' as const
+      },
+      {
+        key: 'med-pan-fuel',
+        label: 'Fuel',
+        expected: scenario => scenario.fuelMinutes.toString(),
+        alternatives: scenario => [scenario.fuelMinutesWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'med-pan-souls',
+        label: 'Souls',
+        expected: scenario => scenario.soulsOnBoard.toString(),
+        alternatives: scenario => [scenario.soulsOnBoardWords],
+        width: 'sm' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'PAN PAN PAN PAN PAN PAN, ' },
+      { type: 'field' as const, key: 'med-pan-station', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'med-pan-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', request ' },
+      { type: 'field' as const, key: 'med-pan-assist', width: 'xl' as const },
+      { type: 'text' as const, text: ', fuel ' },
+      { type: 'field' as const, key: 'med-pan-fuel', width: 'sm' as const },
+      { type: 'text' as const, text: ' minutes, ' },
+      { type: 'field' as const, key: 'med-pan-souls', width: 'sm' as const },
+      { type: 'text' as const, text: ' souls on board' }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: () => 'Passenger requires urgent medical support. Declare PAN PAN and request priority.',
+    info: () => ['Urgency is communicated with PAN PAN unless immediate distress exists.'],
+    generate: makeMedicalEmergencyGenerator()
+  },
+  {
+    id: 'medical-priority-vectors',
+    title: 'Medical Emergency · Priority Vectors',
+    desc: 'Read back priority heading and altitude',
+    keywords: ['Medical', 'Vectors', 'Priority'],
+    hints: [
+      'Read back heading and altitude exactly.',
+      'Expect a direct transition to approach.'
+    ],
+    fields: [
+      {
+        key: 'med-vector-heading',
+        label: 'Heading',
+        expected: scenario => scenario.vectorHeading,
+        alternatives: scenario => [scenario.vectorHeadingWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'med-vector-alt',
+        label: 'Altitude',
+        expected: scenario => scenario.approachAltitude.toString(),
+        alternatives: scenario => [scenario.approachAltitudeWords],
+        width: 'md' as const
+      },
+      {
+        key: 'med-vector-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Heading ' },
+      { type: 'field' as const, key: 'med-vector-heading', width: 'sm' as const },
+      { type: 'text' as const, text: ', descend ' },
+      { type: 'field' as const, key: 'med-vector-alt', width: 'md' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'med-vector-callsign', width: 'lg' as const }
+    ],
+    defaultFrequency: 'APP',
+    phrase: scenario =>
+      `${scenario.radioCall}, priority approved, turn heading ${scenario.vectorHeadingWords}, descend ${scenario.approachAltitudeWords}.`,
+    info: () => ['Keep readback concise during emergency vectoring.'],
+    generate: makeMedicalEmergencyGenerator()
+  },
+  {
+    id: 'medical-landing-ambulance',
+    title: 'Medical Emergency · Landing + Ambulance',
+    desc: 'Read back landing clearance and request ambulance on stand',
+    keywords: ['Medical', 'Landing', 'Ambulance'],
+    hints: [
+      'Read back runway and landing clearance first.',
+      'Add the ambulance confirmation request at the end.'
+    ],
+    fields: [
+      {
+        key: 'med-landing-runway',
+        label: 'Runway',
+        expected: scenario => scenario.arrivalRunway,
+        alternatives: scenario => [scenario.arrivalRunwayWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'med-landing-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'med-landing-request',
+        label: 'Additional request',
+        expected: () => 'confirm ambulance standing by',
+        alternatives: () => ['ambulance standing by', 'request ambulance on stand'],
+        threshold: 0.6,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Runway ' },
+      { type: 'field' as const, key: 'med-landing-runway', width: 'sm' as const },
+      { type: 'text' as const, text: ', cleared to land, ' },
+      { type: 'field' as const, key: 'med-landing-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'med-landing-request', width: 'xl' as const }
+    ],
+    defaultFrequency: 'TWR',
+    phrase: scenario =>
+      `${scenario.radioCall}, runway ${scenario.arrivalRunwayWords} cleared to land. Ambulance will meet you after vacating.`,
+    info: scenario => [`Stand planned: ${scenario.arrivalStand}`],
+    generate: makeMedicalEmergencyGenerator()
+  },
+  {
+    id: 'engine-mayday-declaration',
+    title: 'Engine Failure · MAYDAY',
+    desc: 'Declare MAYDAY for engine failure and intentions',
+    keywords: ['Engine Failure', 'MAYDAY', 'Scenario'],
+    hints: [
+      'Distress calls use MAYDAY three times.',
+      'State nature and immediate intention.'
+    ],
+    fields: [
+      {
+        key: 'eng-mayday-station',
+        label: 'Station',
+        expected: scenario => emergencyStation(scenario),
+        width: 'lg' as const
+      },
+      {
+        key: 'eng-mayday-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'eng-mayday-nature',
+        label: 'Nature',
+        expected: scenario => scenario.emergencyProblem,
+        width: 'xl' as const
+      },
+      {
+        key: 'eng-mayday-intentions',
+        label: 'Intentions',
+        expected: scenario => scenario.emergencyIntent,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'MAYDAY MAYDAY MAYDAY, ' },
+      { type: 'field' as const, key: 'eng-mayday-station', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'eng-mayday-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'eng-mayday-nature', width: 'xl' as const },
+      { type: 'text' as const, text: ', intentions ' },
+      { type: 'field' as const, key: 'eng-mayday-intentions', width: 'xl' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: () => 'Engine failure after climb. Make the MAYDAY declaration.',
+    info: () => ['Keep the initial MAYDAY concise and unambiguous.'],
+    generate: makeEngineFailureGenerator(true)
+  },
+  {
+    id: 'engine-emergency-descent',
+    title: 'Engine Failure · Emergency Descent',
+    desc: 'Coordinate emergency descent with level and heading',
+    keywords: ['Engine Failure', 'Descent'],
+    hints: [
+      'Report leaving level and assigned heading.',
+      'Include squawk 7700 if not already assigned.'
+    ],
+    fields: [
+      {
+        key: 'eng-descent-level',
+        label: 'Leaving level',
+        expected: scenario => scenario.altitudes.climb.toString(),
+        alternatives: scenario => [scenario.altitudes.climbWords],
+        width: 'md' as const
+      },
+      {
+        key: 'eng-descent-heading',
+        label: 'Heading',
+        expected: scenario => scenario.emergencyHeading,
+        alternatives: scenario => [scenario.emergencyHeadingWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'eng-descent-squawk',
+        label: 'Squawk',
+        expected: () => '7700',
+        alternatives: () => ['seven seven zero zero'],
+        width: 'sm' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Emergency descent leaving ' },
+      { type: 'field' as const, key: 'eng-descent-level', width: 'md' as const },
+      { type: 'text' as const, text: ', heading ' },
+      { type: 'field' as const, key: 'eng-descent-heading', width: 'sm' as const },
+      { type: 'text' as const, text: ', squawking ' },
+      { type: 'field' as const, key: 'eng-descent-squawk', width: 'sm' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `${scenario.radioCall}, descend immediately, fly heading ${scenario.emergencyHeadingWords}, squawk 7700.`,
+    info: () => ['Execute first, then complete readback.'],
+    generate: makeEngineFailureGenerator()
+  },
+  {
+    id: 'engine-atc-vectors',
+    title: 'Engine Failure · ATC Vectors',
+    desc: 'Read back vectors and altitude toward immediate approach',
+    keywords: ['Engine Failure', 'Vectors'],
+    hints: [
+      'Heading and altitude are safety critical.',
+      'Keep callsign at the end.'
+    ],
+    fields: [
+      {
+        key: 'eng-vector-heading',
+        label: 'Heading',
+        expected: scenario => scenario.vectorHeading,
+        alternatives: scenario => [scenario.vectorHeadingWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'eng-vector-alt',
+        label: 'Altitude',
+        expected: scenario => scenario.approachAltitude.toString(),
+        alternatives: scenario => [scenario.approachAltitudeWords],
+        width: 'md' as const
+      },
+      {
+        key: 'eng-vector-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Heading ' },
+      { type: 'field' as const, key: 'eng-vector-heading', width: 'sm' as const },
+      { type: 'text' as const, text: ', descend ' },
+      { type: 'field' as const, key: 'eng-vector-alt', width: 'md' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'eng-vector-callsign', width: 'lg' as const }
+    ],
+    defaultFrequency: 'APP',
+    phrase: scenario =>
+      `${scenario.radioCall}, turn left heading ${scenario.vectorHeadingWords}, descend ${scenario.approachAltitudeWords}, vectors ILS.`,
+    info: () => ['Readback should be short and exact.'],
+    generate: makeEngineFailureGenerator()
+  },
+  {
+    id: 'engine-ils-landing',
+    title: 'Engine Failure · ILS and Landing',
+    desc: 'Confirm ILS approach and landing clearance',
+    keywords: ['Engine Failure', 'ILS', 'Landing'],
+    hints: [
+      'Confirm approach type and runway.',
+      'Landing clearance readback should include runway and callsign.'
+    ],
+    fields: [
+      {
+        key: 'eng-ils-approach',
+        label: 'Approach',
+        expected: scenario => scenario.approach,
+        width: 'lg' as const
+      },
+      {
+        key: 'eng-ils-runway',
+        label: 'Runway',
+        expected: scenario => scenario.arrivalRunway,
+        alternatives: scenario => [scenario.arrivalRunwayWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'eng-ils-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Cleared ' },
+      { type: 'field' as const, key: 'eng-ils-approach', width: 'lg' as const },
+      { type: 'text' as const, text: ' runway ' },
+      { type: 'field' as const, key: 'eng-ils-runway', width: 'sm' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'eng-ils-callsign', width: 'lg' as const }
+    ],
+    defaultFrequency: 'APP',
+    phrase: scenario =>
+      `${scenario.radioCall}, cleared ${scenario.approach} approach runway ${scenario.arrivalRunwayWords}, then cleared to land.`,
+    info: () => ['Continue precise phraseology even under high workload.'],
+    generate: makeEngineFailureGenerator()
+  },
+  {
+    id: 'fuel-panpan-initial',
+    title: 'Fuel Emergency · PAN PAN FUEL',
+    desc: 'Declare initial fuel urgency above final reserve',
+    keywords: ['Fuel', 'PAN PAN FUEL', 'Scenario'],
+    hints: [
+      'Initial advisory is PAN PAN FUEL when still above reserve.',
+      'State current fuel in minutes.'
+    ],
+    fields: [
+      {
+        key: 'fuel-pan-call',
+        label: 'Call type',
+        expected: () => 'PAN PAN FUEL',
+        alternatives: () => ['PAN PAN', 'minimum fuel'],
+        width: 'md' as const
+      },
+      {
+        key: 'fuel-pan-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'fuel-pan-minutes',
+        label: 'Fuel minutes',
+        expected: scenario => scenario.fuelMinutes.toString(),
+        alternatives: scenario => [scenario.fuelMinutesWords],
+        width: 'sm' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'fuel-pan-call', width: 'md' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'fuel-pan-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', fuel ' },
+      { type: 'field' as const, key: 'fuel-pan-minutes', width: 'sm' as const },
+      { type: 'text' as const, text: ' minutes, request priority vectors' }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `Fuel trend is worsening with ${scenario.fuelMinutes} minutes remaining. Start with PAN PAN FUEL advisory.`,
+    info: () => ['Use MAYDAY FUEL only once reserve is below planned final reserve.'],
+    generate: makeFuelEmergencyGenerator(true)
+  },
+  {
+    id: 'fuel-priority-readback',
+    title: 'Fuel Emergency · Priority Readback',
+    desc: 'Read back priority vectors and approach planning',
+    keywords: ['Fuel', 'Priority', 'Vectors'],
+    hints: [
+      'Acknowledge heading and descent clearly.',
+      'Prepare for the upgrade call if fuel worsens.'
+    ],
+    fields: [
+      {
+        key: 'fuel-priority-heading',
+        label: 'Heading',
+        expected: scenario => scenario.vectorHeading,
+        alternatives: scenario => [scenario.vectorHeadingWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'fuel-priority-alt',
+        label: 'Altitude',
+        expected: scenario => scenario.approachAltitude.toString(),
+        alternatives: scenario => [scenario.approachAltitudeWords],
+        width: 'md' as const
+      },
+      {
+        key: 'fuel-priority-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Heading ' },
+      { type: 'field' as const, key: 'fuel-priority-heading', width: 'sm' as const },
+      { type: 'text' as const, text: ', descend ' },
+      { type: 'field' as const, key: 'fuel-priority-alt', width: 'md' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'fuel-priority-callsign', width: 'lg' as const }
+    ],
+    defaultFrequency: 'APP',
+    phrase: scenario =>
+      `${scenario.radioCall}, priority accepted, fly heading ${scenario.vectorHeadingWords}, descend ${scenario.approachAltitudeWords}.`,
+    info: () => ['Keep workload low with short readbacks.'],
+    generate: makeFuelEmergencyGenerator()
+  },
+  {
+    id: 'fuel-upgrade-mayday',
+    title: 'Fuel Emergency · Upgrade to MAYDAY FUEL',
+    desc: 'Escalate from PAN PAN FUEL to MAYDAY FUEL',
+    keywords: ['Fuel', 'MAYDAY FUEL', 'Escalation'],
+    hints: [
+      'When fuel goes below reserve, upgrade immediately to MAYDAY FUEL.',
+      'State minimum information fast and clearly.'
+    ],
+    fields: [
+      {
+        key: 'fuel-upgrade-call',
+        label: 'Call type',
+        expected: () => 'MAYDAY FUEL',
+        alternatives: () => ['MAYDAY', 'mayday fuel'],
+        width: 'md' as const
+      },
+      {
+        key: 'fuel-upgrade-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'fuel-upgrade-request',
+        label: 'Request',
+        expected: () => 'immediate approach and landing priority',
+        alternatives: () => ['immediate approach', 'landing priority', 'priority landing'],
+        threshold: 0.6,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'fuel-upgrade-call', width: 'md' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'fuel-upgrade-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', request ' },
+      { type: 'field' as const, key: 'fuel-upgrade-request', width: 'xl' as const }
+    ],
+    defaultFrequency: 'APP',
+    phrase: () => 'Fuel now below planned final reserve. Upgrade call to MAYDAY FUEL.',
+    info: () => ['Do not delay the escalation when reserve is compromised.'],
+    generate: makeFuelEmergencyGenerator()
+  },
+  {
+    id: 'fuel-direct-approach-landing',
+    title: 'Fuel Emergency · Direct and Landing',
+    desc: 'Read back direct vectors and immediate landing clearance',
+    keywords: ['Fuel', 'Direct', 'Landing'],
+    hints: [
+      'Confirm direct fix/runway and final clearance.',
+      'Keep readback crisp to reduce frequency load.'
+    ],
+    fields: [
+      {
+        key: 'fuel-direct-heading',
+        label: 'Heading',
+        expected: scenario => scenario.vectorHeading,
+        alternatives: scenario => [scenario.vectorHeadingWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'fuel-direct-runway',
+        label: 'Runway',
+        expected: scenario => scenario.arrivalRunway,
+        alternatives: scenario => [scenario.arrivalRunwayWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'fuel-direct-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Heading ' },
+      { type: 'field' as const, key: 'fuel-direct-heading', width: 'sm' as const },
+      { type: 'text' as const, text: ', cleared straight-in runway ' },
+      { type: 'field' as const, key: 'fuel-direct-runway', width: 'sm' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'fuel-direct-callsign', width: 'lg' as const }
+    ],
+    defaultFrequency: 'TWR',
+    phrase: scenario =>
+      `${scenario.radioCall}, turn heading ${scenario.vectorHeadingWords}, direct final runway ${scenario.arrivalRunwayWords}, cleared to land.`,
+    info: () => ['Emergency fuel arrivals require fastest safe path to runway.'],
+    generate: makeFuelEmergencyGenerator()
+  },
+  {
+    id: 'diversion-problem-report',
+    title: 'Diversion · Problem Report',
+    desc: 'Report the issue that requires diversion',
+    keywords: ['Diversion', 'Report', 'Scenario'],
+    hints: [
+      'State callsign and problem in one concise line.',
+      'Prepare to request alternate routing next.'
+    ],
+    fields: [
+      {
+        key: 'div-report-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'div-report-problem',
+        label: 'Problem',
+        expected: scenario => scenario.emergencyProblem,
+        width: 'xl' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'div-report-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'div-report-problem', width: 'xl' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario => `${scenario.radioCall}, report your issue for ATC coordination.`,
+    info: () => ['Keep the first report short to open diversion coordination quickly.'],
+    generate: makeDiversionGenerator(true)
+  },
+  {
+    id: 'diversion-request',
+    title: 'Diversion · Request Alternate',
+    desc: 'Request diversion to the alternate airport',
+    keywords: ['Diversion', 'Request', 'Alternate'],
+    hints: [
+      'Use explicit request diversion phraseology.',
+      'Name the alternate airport/city clearly.'
+    ],
+    fields: [
+      {
+        key: 'div-request-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      },
+      {
+        key: 'div-request-alt',
+        label: 'Alternate',
+        expected: scenario => scenario.destination.city,
+        alternatives: scenario => [scenario.destination.icao, scenario.destination.name],
+        width: 'md' as const
+      }
+    ],
+    readback: [
+      { type: 'field' as const, key: 'div-request-callsign', width: 'lg' as const },
+      { type: 'text' as const, text: ', request diversion to ' },
+      { type: 'field' as const, key: 'div-request-alt', width: 'md' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario => `${scenario.radioCall}, request diversion to ${scenario.destination.city}.`,
+    info: scenario => [`Alternate planned: ${scenario.destination.city} (${scenario.destination.icao})`],
+    generate: makeDiversionGenerator()
+  },
+  {
+    id: 'diversion-new-clearance',
+    title: 'Diversion · New Clearance',
+    desc: 'Read back new routing and altitude for alternate',
+    keywords: ['Diversion', 'Clearance', 'Readback'],
+    hints: [
+      'Treat diversion clearance like a full amendment.',
+      'Read destination, route and altitude.'
+    ],
+    fields: [
+      {
+        key: 'div-clear-destination',
+        label: 'Destination',
+        expected: scenario => scenario.destination.city,
+        alternatives: scenario => [scenario.destination.icao],
+        width: 'md' as const
+      },
+      {
+        key: 'div-clear-transition',
+        label: 'Direct fix',
+        expected: scenario => scenario.transition,
+        width: 'md' as const
+      },
+      {
+        key: 'div-clear-altitude',
+        label: 'Altitude',
+        expected: scenario => scenario.altitudes.initial.toString(),
+        alternatives: scenario => [scenario.altitudes.initialWords],
+        width: 'md' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Cleared to ' },
+      { type: 'field' as const, key: 'div-clear-destination', width: 'md' as const },
+      { type: 'text' as const, text: ', direct ' },
+      { type: 'field' as const, key: 'div-clear-transition', width: 'md' as const },
+      { type: 'text' as const, text: ', maintain ' },
+      { type: 'field' as const, key: 'div-clear-altitude', width: 'md' as const }
+    ],
+    defaultFrequency: 'CTR',
+    phrase: scenario =>
+      `${scenario.radioCall}, amended clearance: proceed direct ${scenario.transition}, maintain ${scenario.altitudes.initial}, cleared ${scenario.destination.city}.`,
+    info: () => ['Diversion clearance replaces previous routing.'],
+    generate: makeDiversionGenerator()
+  },
+  {
+    id: 'diversion-approach-landing',
+    title: 'Diversion · Approach and Landing',
+    desc: 'Complete diversion with approach and landing readback',
+    keywords: ['Diversion', 'Approach', 'Landing'],
+    hints: [
+      'Confirm approach type and runway at alternate.',
+      'End with full callsign.'
+    ],
+    fields: [
+      {
+        key: 'div-approach-type',
+        label: 'Approach',
+        expected: scenario => scenario.approach,
+        width: 'lg' as const
+      },
+      {
+        key: 'div-approach-runway',
+        label: 'Runway',
+        expected: scenario => scenario.arrivalRunway,
+        alternatives: scenario => [scenario.arrivalRunwayWords],
+        width: 'sm' as const
+      },
+      {
+        key: 'div-approach-callsign',
+        label: 'Callsign',
+        expected: scenario => scenario.radioCall,
+        alternatives: emergencyCallsignAlternatives,
+        width: 'lg' as const
+      }
+    ],
+    readback: [
+      { type: 'text' as const, text: 'Cleared ' },
+      { type: 'field' as const, key: 'div-approach-type', width: 'lg' as const },
+      { type: 'text' as const, text: ' runway ' },
+      { type: 'field' as const, key: 'div-approach-runway', width: 'sm' as const },
+      { type: 'text' as const, text: ', ' },
+      { type: 'field' as const, key: 'div-approach-callsign', width: 'lg' as const }
+    ],
+    defaultFrequency: 'APP',
+    phrase: scenario =>
+      `${scenario.radioCall}, cleared ${scenario.approach} approach runway ${scenario.arrivalRunwayWords}, then contact tower for landing.`,
+    info: scenario => [`Alternate destination: ${scenario.destination.name}`],
+    generate: makeDiversionGenerator()
+  }
+]
+
 export const learnModules: ModuleDef[] = [
   {
     id: 'normalize',
@@ -4752,8 +5542,28 @@ export const learnTracks: TrackDef[] = [
         art: gradientArt(['#b71c1c', '#c62828', '#d32f2f']),
         lessons: abnormalCommsLessons,
       },
+      {
+        id: 'emergency-basics',
+        title: 'Emergency · Basics',
+        subtitle: 'MAYDAY, PAN PAN, squawk codes and fuel emergencies',
+        art: gradientArt(['#e65100', '#ef6c00', '#f57c00']),
+        lessons: emergencyBasicsLessons,
+      },
+      {
+        id: 'emergency-scenarios',
+        title: 'Emergency · Scenario Flights',
+        subtitle: 'Multi-step emergency scenarios from onset to landing',
+        art: gradientArt(['#ff6f00', '#ff8f00', '#ffa000']),
+        lessons: emergencyScenarioLessons,
+      },
     ],
   },
+  {
+    id: 'atc-perspective',
+    title: 'ATC Perspective Missions',
+    subtitle: 'Understand, decide and control like ATC',
+    modules: atcPerspectiveModules,
+  }
 ]
 
 export default learnModules
diff --git a/shared/learn/decision-types.ts b/shared/learn/decision-types.ts
new file mode 100644
index 0000000..afb5b01
--- /dev/null
+++ b/shared/learn/decision-types.ts
@@ -0,0 +1,36 @@
+export type DecisionType = 'sequencing' | 'choice' | 'assignment' | 'priority'
+
+export type FlightStrip = {
+  callsign: string
+  type: string
+  altitude: string
+  heading: string
+  position: string
+  intention: string
+  category: 'heavy' | 'medium' | 'light'
+  status: 'emergency' | 'normal'
+}
+
+export type DecisionStep = {
+  prompt: string
+  type: DecisionType
+  options?: string[]
+  items?: string[]
+  correct: string | string[]
+  explanation: string
+}
+
+export type DecisionScenario = {
+  briefing: string
+  strips: FlightStrip[]
+  steps: DecisionStep[]
+}
+
+export type DecisionLesson = {
+  id: string
+  title: string
+  desc: string
+  keywords: string[]
+  hints: string[]
+  generate: () => DecisionScenario
+}
diff --git a/shared/learn/types.ts b/shared/learn/types.ts
index f1e3064..b5302d6 100644
--- a/shared/learn/types.ts
+++ b/shared/learn/types.ts
@@ -1,3 +1,5 @@
+import type { DecisionLesson } from './decision-types'
+
 export type BlankWidth = 'xs' | 'sm' | 'md' | 'lg' | 'xl'
 
 export type FrequencyType = 'ATIS' | 'DEL' | 'GND' | 'TWR' | 'DEP' | 'APP' | 'CTR'
@@ -192,14 +194,17 @@ export type Lesson = {
 export type ModuleMeta = {
   flightPlan?: boolean
   briefingArt?: string
+  exerciseType?: 'cloze' | 'decision'
 }
 
+export type ModuleLesson = Lesson | DecisionLesson
+
 export type ModuleDef = {
   id: string
   title: string
   subtitle: string
   art: string
-  lessons: Lesson[]
+  lessons: ModuleLesson[]
   meta?: ModuleMeta
 }