Fix reload

src/lib/components/impacts_view/test_cases_view/test_case_selected/TestCaseSummary.svelte

@@ -80,23 +80,27 @@
   let slider: Slider | undefined = $state(undefined)
   const taxableHouseholdEntity = entityByKey[taxableHouseholdEntityKey]
 
-  let familySituation = $derived(situation[familyEntity.key_plural])
+  let familySituation = $derived(situation[familyEntity.key_plural!])
 
   let childrenId = $derived(
-    Object.values(familySituation).reduce(
+    familySituation
+      ? Object.values(familySituation).reduce(
           (children: string[], family) => [
             ...children,
-        ...((family[childrenKey] as string[] | undefined) ?? []),
+            ...(((family as any)[childrenKey] as string[] | undefined) ?? []),
           ],
           [],
-    ),
+        )
+      : [],
   )
 
-  let householdSituation = $derived(situation[householdEntity.key_plural])
+  let householdSituation = $derived(situation[householdEntity.key_plural!])
 
-  let personSituation = $derived(situation[personEntity.key_plural])
+  let personSituation = $derived(situation[personEntity.key_plural!])
 
-  let personsCount = $derived(Object.keys(personSituation).length)
+  let personsCount = $derived(
+    personSituation ? Object.keys(personSituation).length : 0,
+  )
 
   run(() => {
     slider = situation.sliders?.[0]
@@ -120,15 +124,15 @@
   let smicValue = $derived(smicLatestInstantValueCouple?.[1] as NumberValue)
 
   let taxableHouseholdSituation = $derived(
-    situation[taxableHouseholdEntity.key_plural],
+    situation[taxableHouseholdEntity.key_plural!],
   )
 
   // Note: A reform variable is always more complete than a variable before reform.
   let variableSummary = $derived(
     billName === undefined
-      ? variableSummaryByName[displayMode.parametersVariableName]
+      ? variableSummaryByName[displayMode.parametersVariableName!]
       : variableSummaryByNameByReformName[billName][
-          displayMode.parametersVariableName
+          displayMode.parametersVariableName!
         ],
   )
 
@@ -290,7 +294,7 @@
 
 {#if mode !== "select" && situation.title !== undefined}
   {@const situationDetails =
-    situation.linked_variables?.[displayMode.parametersVariableName]}
+    situation.linked_variables?.[displayMode.parametersVariableName!]}
   {@const omitSlider = (obj: Situation) => {
     const result = { ...obj }
     if (result.slider !== undefined) {
@@ -395,7 +399,7 @@
             <PictoArbreMetropole />
           </div> -->
 
-    {#each Object.keys(personSituation).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
+    {#each Object.keys(personSituation || {}).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
       {@const activite = getVariableValue(situation, "activite", populationId)}
       {@const handicap = getVariableValue(situation, "handicap", populationId)}
       {#if !childrenId.includes(populationId)}
@@ -419,7 +423,7 @@
       {/if}
     {/each}
 
-    {#each Object.keys(personSituation).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
+    {#each Object.keys(personSituation || {}).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
       {@const date_naissance = getVariableValue(
         situation,
         "date_naissance",
@@ -460,7 +464,7 @@
     {/each}
     <!-- Tag liés à la famille -->
     <div>
-      {#each Object.keys(familySituation).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
+      {#each Object.keys(familySituation || {}).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
         {@const rsa =
           getCalculatedVariableNumberValue(
             situation,
@@ -506,7 +510,7 @@
     </div>
 
     <!-- Ménages -->
-    {#each Object.keys(householdSituation).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
+    {#each Object.keys(householdSituation || {}).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
       {@const loyer = getVariableNumberValue(situation, "loyer", populationId)}
       {@const zone_apl =
         getCalculatedVariableNumberValue(
@@ -621,7 +625,7 @@
       </div>
     {/each}
     <!-- Foyers fiscaux -->
-    {#each Object.keys(taxableHouseholdSituation).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
+    {#each Object.keys(taxableHouseholdSituation || {}).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
       {@const assiette_csg_revenus_capital =
         getCalculatedVariableNumberValue(
           situation,
@@ -729,7 +733,7 @@
 >
   <!-- Individus -->
 
-  {#each Object.keys(personSituation).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
+  {#each Object.keys(personSituation || {}).sort( (populationId1, populationId2) => populationId1.localeCompare(populationId2), ) as populationId}
     {@const activite = getVariableValue(situation, "activite", populationId)}
     {@const allocation_retour_emploi = getVariableValue(
       situation,