diff --git a/tests/static-toolboxes.test.mjs b/tests/static-toolboxes.test.mjs
index c776e46..8a04f1e 100644
--- a/tests/static-toolboxes.test.mjs
+++ b/tests/static-toolboxes.test.mjs
@@ -161,6 +161,8 @@ test("toolbox module registry and modules expose expected behavior", async () =>
   const calendarUtils = await readFile("website/src/features/toolboxes/modules/calendarUtils.js", "utf8");
   const taskPlannerModule = await readFile("website/src/features/toolboxes/modules/TaskPlannerModule.jsx", "utf8");
   const taskPlannerItems = await readFile("website/src/features/toolboxes/modules/TaskPlannerItems.jsx", "utf8");
+  const taskPlannerItemPanels = await readFile("website/src/features/toolboxes/modules/TaskPlannerItemPanels.jsx", "utf8");
+  const taskPlannerBundle = `${taskPlannerItems}\n${taskPlannerItemPanels}`;
   const taskPlannerUtils = await readFile("website/src/features/toolboxes/modules/taskPlannerUtils.js", "utf8");
   const goalTreeModule = await readFile("website/src/features/toolboxes/modules/GoalTreeModule.jsx", "utf8");
   const goalTreeParts = await readFile("website/src/features/toolboxes/modules/GoalTreeParts.jsx", "utf8");
@@ -365,11 +367,11 @@ test("toolbox module registry and modules expose expected behavior", async () =>
   assert.match(taskPlannerModule, /reorderFeatures/);
   assert.match(taskPlannerItems, /export function TaskPlannerBranch/);
   assert.match(taskPlannerItems, /function TaskPlannerItem/);
-  assert.match(taskPlannerItems, /task-planner-warning/);
-  assert.match(taskPlannerItems, /useInlineEdit/);
-  assert.match(taskPlannerItems, /commitOnEnter: false/);
-  assert.match(taskPlannerItems, /categoryLabel/);
-  assert.match(taskPlannerItems, /prerequisite/);
+  assert.match(taskPlannerBundle, /task-planner-warning/);
+  assert.match(taskPlannerBundle, /useInlineEdit/);
+  assert.match(taskPlannerBundle, /commitOnEnter: false/);
+  assert.match(taskPlannerBundle, /categoryLabel/);
+  assert.match(taskPlannerBundle, /prerequisite/);
   assert.match(taskPlannerUtils, /export function getTaskParentMap/);
   assert.match(taskPlannerUtils, /export function applyDueResets/);
   assert.doesNotMatch(taskPlannerModule, /canMoveItem:/);
diff --git a/website/src/features/toolboxes/modules/TaskPlannerItemPanels.jsx b/website/src/features/toolboxes/modules/TaskPlannerItemPanels.jsx
new file mode 100644
index 0000000..cbe63cb
--- /dev/null
+++ b/website/src/features/toolboxes/modules/TaskPlannerItemPanels.jsx
@@ -0,0 +1,246 @@
+// Rôle : regroupe les panneaux secondaires d'une tâche du task planner.
+import { Icon } from "../../../components/Icon.jsx";
+import { InlineNotice } from "../../../components/AppOverlays.jsx";
+import { Tooltip } from "../../../components/Tooltip.jsx";
+import { useInlineEdit } from "../../../hooks/useInlineEdit.js";
+import {
+  WEEK_DAYS,
+  getEffectiveTaskCategory,
+  getTaskById,
+  getTaskTitle
+} from "./taskPlannerUtils.js";
+
+export function MissingPrerequisitesTooltip({ missingPrerequisites, tasks, textContent }) {
+  return (
+    <Tooltip
+      className="task-planner-warning"
+      content={(
+        <span className="task-planner-prerequisite-tooltip">
+          <strong>{textContent.missingPrerequisiteTitle || "Pré requis non effectué"}</strong>
+          <span>
+            {missingPrerequisites.map((relation) => (
+              <span key={relation.id}>{getTaskTitle(tasks, relation.toTaskId)}</span>
+            ))}
+          </span>
+        </span>
+      )}
+      position="top-start"
+    >
+      {textContent.missingPrerequisiteBadge || "Pré requis"}
+    </Tooltip>
+  );
+}
+
+export function TaskPlannerItemDetails({
+  task,
+  tasks,
+  data,
+  parentMap,
+  parentId,
+  textContent,
+  descriptionOpen,
+  settingsOpen,
+  noticeMessage,
+  relations,
+  relationTargets,
+  onUpdateTask,
+  onAddLinkTarget,
+  onRemoveLinkTarget,
+  onSetPrerequisite,
+  onSetTaskCategory
+}) {
+  return (
+    <>
+      <InlineNotice className="task-planner-notice" message={noticeMessage} />
+      {descriptionOpen && (
+        <TaskDescriptionPanel
+          task={task}
+          tasks={tasks}
+          parentMap={parentMap}
+          parentId={parentId}
+          textContent={textContent}
+          onUpdateTask={onUpdateTask}
+          onSetTaskCategory={onSetTaskCategory}
+        />
+      )}
+      {settingsOpen && (
+        <div className="task-planner-task-settings">
+          <TaskResetSettings task={task} data={data} textContent={textContent} onUpdateTask={onUpdateTask} />
+          <LinksEditor
+            label={textContent.linksLabel || "Parent"}
+            relations={relations}
+            task={task}
+            tasks={tasks}
+            parentMap={parentMap}
+            relationTargets={relationTargets}
+            emptyLabel={textContent.emptyLinks || "Aucun parent"}
+            addLabel={textContent.addLinkLabel || "Définir un parent"}
+            removeLabel={textContent.removeRelationTitle || "Retirer"}
+            prerequisiteLabel={textContent.prerequisiteCheckboxLabel || "Pré requis"}
+            onAddLinkTarget={onAddLinkTarget}
+            onRemoveLinkTarget={onRemoveLinkTarget}
+            onSetPrerequisite={onSetPrerequisite}
+          />
+        </div>
+      )}
+    </>
+  );
+}
+
+function TaskDescriptionPanel({ task, tasks, parentMap, parentId, textContent, onUpdateTask, onSetTaskCategory }) {
+  const parentTask = parentId ? getTaskById(tasks, parentId) : null;
+  const inheritedCategory = parentTask ? getEffectiveTaskCategory(parentTask, tasks, parentMap) : "";
+  const categoryValue = parentTask ? inheritedCategory : task.category || "";
+  const categoryEditable = !parentTask;
+  const categoryEdit = useInlineEdit({
+    value: categoryValue,
+    onCommit: (category) => {
+      if (categoryEditable) onSetTaskCategory(task.id, category);
+    }
+  });
+  const descriptionEdit = useInlineEdit({
+    value: task.description,
+    onCommit: (description) => onUpdateTask(task.id, (current) => ({ ...current, description })),
+    commitOnEnter: false
+  });
+
+  return (
+    <div className="task-planner-description-panel">
+      <label className={`task-planner-category-field ${categoryEditable ? "" : "is-disabled"}`}>
+        <span>{textContent.categoryLabel || "Catégorie"}</span>
+        <input
+          {...categoryEdit.getInputProps({
+            disabled: !categoryEditable,
+            placeholder: textContent.categoryPlaceholder || "Nom de catégorie",
+            "aria-label": `${textContent.categoryLabel || "Catégorie"} ${task.title}`
+          })}
+        />
+      </label>
+      <label className="task-planner-description-field">
+        <span>{textContent.descriptionLabel || "Description"}</span>
+        <textarea
+          {...descriptionEdit.getInputProps({
+            className: "task-planner-description",
+            placeholder: textContent.descriptionPlaceholder || "Description",
+            "aria-label": `${textContent.descriptionLabel || "Description"} ${task.title}`
+          })}
+        />
+      </label>
+    </div>
+  );
+}
+
+function TaskResetSettings({ task, data, textContent, onUpdateTask }) {
+  if (task.type === "daily") {
+    const hasOverride = Boolean(task.dailyResetTime);
+    return (
+      <div className="task-planner-reset-override">
+        <span>{textContent.taskDailyResetTimeLabel || "Heure quotidienne"}</span>
+        <div className="task-planner-reset-control">
+          <input
+            type="time"
+            value={task.dailyResetTime || data.resetTime}
+            onChange={(event) => onUpdateTask(task.id, (current) => {
+              const nextTask = { ...current };
+              if (event.target.value && event.target.value !== data.resetTime) nextTask.dailyResetTime = event.target.value;
+              else delete nextTask.dailyResetTime;
+              return nextTask;
+            })}
+            aria-label={`${textContent.taskDailyResetTimeLabel || "Heure quotidienne"} ${task.title}`}
+          />
+          <button
+            type="button"
+            onClick={() => onUpdateTask(task.id, (current) => {
+              const nextTask = { ...current };
+              delete nextTask.dailyResetTime;
+              return nextTask;
+            })}
+            disabled={!hasOverride}
+            title={textContent.inheritResetTime || "Utiliser l'heure globale"}
+            aria-label={`${textContent.inheritResetTime || "Utiliser l'heure globale"} ${task.title}`}
+          >
+            <Icon name="rubber" />
+          </button>
+        </div>
+      </div>
+    );
+  }
+
+  if (task.type === "weekly") {
+    return (
+      <label className="task-planner-reset-override">
+        <span>{textContent.taskWeeklyResetDayLabel || "Jour hebdo"}</span>
+        <select
+          value={task.weeklyResetDay ?? ""}
+          onChange={(event) => onUpdateTask(task.id, (current) => {
+            const nextTask = { ...current };
+            if (event.target.value === "") {
+              delete nextTask.weeklyResetDay;
+            } else {
+              nextTask.weeklyResetDay = Number(event.target.value);
+            }
+            return nextTask;
+          })}
+        >
+          <option value="">{textContent.inheritWeeklyResetDay || "Global"}</option>
+          {WEEK_DAYS.map((day) => <option key={day.value} value={day.value}>{day.label}</option>)}
+        </select>
+      </label>
+    );
+  }
+
+  return (
+    <div className="task-planner-reset-override is-empty">
+      <span>{textContent.taskResetLabel || "Réinitialisation"}</span>
+      <p>{textContent.noTaskResetLabel || "Aucun reset"}</p>
+    </div>
+  );
+}
+
+function LinksEditor({ label, relations, task, tasks, parentMap, relationTargets, emptyLabel, addLabel, removeLabel, prerequisiteLabel, onAddLinkTarget, onRemoveLinkTarget, onSetPrerequisite }) {
+  const descendantIds = new Set();
+  function collectDescendants(taskId) {
+    tasks.filter((item) => parentMap.get(item.id) === taskId).forEach((child) => {
+      descendantIds.add(child.id);
+      collectDescendants(child.id);
+    });
+  }
+  collectDescendants(task.id);
+  const availableTargets = relationTargets.filter((target) => !descendantIds.has(target.id));
+
+  return (
+    <div className="task-planner-relations">
+      <span>{label}</span>
+      <select
+        value=""
+        onChange={(event) => {
+          onAddLinkTarget(task.id, event.target.value);
+          event.target.value = "";
+        }}
+        aria-label={addLabel}
+      >
+        <option value="">{addLabel}</option>
+        {availableTargets.map((target) => <option key={target.id} value={target.id}>{target.title}</option>)}
+      </select>
+      <div>
+        {relations.length ? relations.map((relation) => (
+          <div className="task-planner-relation-chip" key={relation.id}>
+            <span>{getTaskTitle(tasks, relation.toTaskId)}</span>
+            <label title={prerequisiteLabel}>
+              <input
+                type="checkbox"
+                checked={relation.prerequisite}
+                onChange={(event) => onSetPrerequisite(task.id, relation.toTaskId, event.target.checked)}
+                aria-label={`${prerequisiteLabel} ${getTaskTitle(tasks, relation.toTaskId)}`}
+              />
+              <span>{prerequisiteLabel}</span>
+            </label>
+            <button type="button" onClick={() => onRemoveLinkTarget(task.id, relation.toTaskId)} title={removeLabel} aria-label={`${removeLabel} ${getTaskTitle(tasks, relation.toTaskId)}`}>
+              <Icon name="close" />
+            </button>
+          </div>
+        )) : <em>{emptyLabel}</em>}
+      </div>
+    </div>
+  );
+}
diff --git a/website/src/features/toolboxes/modules/TaskPlannerItems.jsx b/website/src/features/toolboxes/modules/TaskPlannerItems.jsx
index 912c5c9..791ef65 100644
--- a/website/src/features/toolboxes/modules/TaskPlannerItems.jsx
+++ b/website/src/features/toolboxes/modules/TaskPlannerItems.jsx
@@ -1,18 +1,13 @@
-// Rôle : rend les branches, items et panneaux secondaires du task planner.
+// Rôle : rend les branches et lignes de tâches du task planner.
 import { Icon } from "../../../components/Icon.jsx";
-import { InlineNotice } from "../../../components/AppOverlays.jsx";
-import { Tooltip } from "../../../components/Tooltip.jsx";
 import { useInlineEdit } from "../../../hooks/useInlineEdit.js";
+import { MissingPrerequisitesTooltip, TaskPlannerItemDetails } from "./TaskPlannerItemPanels.jsx";
 import {
   TASK_TYPES,
-  WEEK_DAYS,
   countCompletedTaskTree,
   countTaskTree,
-  getEffectiveTaskCategory,
-  getTaskById,
   getTaskCategoryDataset,
   getTaskCategoryGroups,
-  getTaskTitle,
   getTaskTypeLabel,
   getTasksForParent,
   isTaskResetSoon,
@@ -231,10 +226,6 @@ function TaskPlannerItem({
   onSetTaskCategory,
   children
 }) {
-  const parentTask = parentId ? getTaskById(tasks, parentId) : null;
-  const inheritedCategory = parentTask ? getEffectiveTaskCategory(parentTask, tasks, parentMap) : "";
-  const categoryValue = parentTask ? inheritedCategory : task.category || "";
-  const categoryEditable = !parentTask;
   const relations = data.relations.filter((relation) => relation.fromTaskId === task.id);
   const missingPrerequisites = relations.filter((relation) => relation.prerequisite && !tasks.find((item) => item.id === relation.toTaskId)?.checked);
   const relationTargets = tasks.filter((item) => item.id !== task.id && !relations.some((relation) => relation.toTaskId === item.id));
@@ -253,17 +244,6 @@ function TaskPlannerItem({
     transform: (draft) => String(draft || "").trim() || task.title,
     onCommit: (title) => onUpdateTask(task.id, (current) => ({ ...current, title }))
   });
-  const categoryEdit = useInlineEdit({
-    value: categoryValue,
-    onCommit: (category) => {
-      if (categoryEditable) onSetTaskCategory(task.id, category);
-    }
-  });
-  const descriptionEdit = useInlineEdit({
-    value: task.description,
-    onCommit: (description) => onUpdateTask(task.id, (current) => ({ ...current, description })),
-    commitOnEnter: false
-  });
 
   function updateChecked(event) {
     const checked = event.target.checked;
@@ -314,13 +294,7 @@ function TaskPlannerItem({
           {TASK_TYPES.map((taskType) => <option key={taskType} value={taskType}>{getTaskTypeLabel(taskType, textContent)}</option>)}
         </select>
         {missingPrerequisites.length > 0 && (
-          <Tooltip
-            className="task-planner-warning"
-            content={<MissingPrerequisitesTooltip missingPrerequisites={missingPrerequisites} tasks={tasks} textContent={textContent} />}
-            position="top-start"
-          >
-            {textContent.missingPrerequisiteBadge || "Pré requis"}
-          </Tooltip>
+          <MissingPrerequisitesTooltip missingPrerequisites={missingPrerequisites} tasks={tasks} textContent={textContent} />
         )}
         <div className="task-planner-actions">
           <button
@@ -348,180 +322,25 @@ function TaskPlannerItem({
           </button>
         </div>
       </div>
-      <InlineNotice className="task-planner-notice" message={noticeMessage} />
-      {descriptionOpen && (
-        <div className="task-planner-description-panel">
-          <label className={`task-planner-category-field ${categoryEditable ? "" : "is-disabled"}`}>
-            <span>{textContent.categoryLabel || "Catégorie"}</span>
-            <input
-              {...categoryEdit.getInputProps({
-                disabled: !categoryEditable,
-                placeholder: textContent.categoryPlaceholder || "Nom de catégorie",
-                "aria-label": `${textContent.categoryLabel || "Catégorie"} ${task.title}`
-              })}
-            />
-          </label>
-          <label className="task-planner-description-field">
-            <span>{textContent.descriptionLabel || "Description"}</span>
-            <textarea
-              {...descriptionEdit.getInputProps({
-                className: "task-planner-description",
-                placeholder: textContent.descriptionPlaceholder || "Description",
-                "aria-label": `${textContent.descriptionLabel || "Description"} ${task.title}`
-              })}
-            />
-          </label>
-        </div>
-      )}
-      {settingsOpen && (
-        <div className="task-planner-task-settings">
-          <TaskResetSettings task={task} data={data} textContent={textContent} onUpdateTask={onUpdateTask} />
-          <LinksEditor
-            label={textContent.linksLabel || "Parent"}
-            relations={relations}
-            task={task}
-            tasks={tasks}
-            parentMap={parentMap}
-            relationTargets={relationTargets}
-            emptyLabel={textContent.emptyLinks || "Aucun parent"}
-            addLabel={textContent.addLinkLabel || "Définir un parent"}
-            removeLabel={textContent.removeRelationTitle || "Retirer"}
-            prerequisiteLabel={textContent.prerequisiteCheckboxLabel || "Pré requis"}
-            onAddLinkTarget={onAddLinkTarget}
-            onRemoveLinkTarget={onRemoveLinkTarget}
-            onSetPrerequisite={onSetPrerequisite}
-          />
-        </div>
-      )}
+      <TaskPlannerItemDetails
+        task={task}
+        tasks={tasks}
+        data={data}
+        parentMap={parentMap}
+        parentId={parentId}
+        textContent={textContent}
+        descriptionOpen={descriptionOpen}
+        settingsOpen={settingsOpen}
+        noticeMessage={noticeMessage}
+        relations={relations}
+        relationTargets={relationTargets}
+        onUpdateTask={onUpdateTask}
+        onAddLinkTarget={onAddLinkTarget}
+        onRemoveLinkTarget={onRemoveLinkTarget}
+        onSetPrerequisite={onSetPrerequisite}
+        onSetTaskCategory={onSetTaskCategory}
+      />
       {children && <ul className="task-planner-list task-planner-child-list">{children}</ul>}
     </li>
   );
 }
-
-function MissingPrerequisitesTooltip({ missingPrerequisites, tasks, textContent }) {
-  return (
-    <span className="task-planner-prerequisite-tooltip">
-      <strong>{textContent.missingPrerequisiteTitle || "Pré requis non effectué"}</strong>
-      <span>
-        {missingPrerequisites.map((relation) => (
-          <span key={relation.id}>{getTaskTitle(tasks, relation.toTaskId)}</span>
-        ))}
-      </span>
-    </span>
-  );
-}
-
-function TaskResetSettings({ task, data, textContent, onUpdateTask }) {
-  if (task.type === "daily") {
-    const hasOverride = Boolean(task.dailyResetTime);
-    return (
-      <div className="task-planner-reset-override">
-        <span>{textContent.taskDailyResetTimeLabel || "Heure quotidienne"}</span>
-        <div className="task-planner-reset-control">
-          <input
-            type="time"
-            value={task.dailyResetTime || data.resetTime}
-            onChange={(event) => onUpdateTask(task.id, (current) => {
-              const nextTask = { ...current };
-              if (event.target.value && event.target.value !== data.resetTime) nextTask.dailyResetTime = event.target.value;
-              else delete nextTask.dailyResetTime;
-              return nextTask;
-            })}
-            aria-label={`${textContent.taskDailyResetTimeLabel || "Heure quotidienne"} ${task.title}`}
-          />
-          <button
-            type="button"
-            onClick={() => onUpdateTask(task.id, (current) => {
-              const nextTask = { ...current };
-              delete nextTask.dailyResetTime;
-              return nextTask;
-            })}
-            disabled={!hasOverride}
-            title={textContent.inheritResetTime || "Utiliser l'heure globale"}
-            aria-label={`${textContent.inheritResetTime || "Utiliser l'heure globale"} ${task.title}`}
-          >
-            <Icon name="rubber" />
-          </button>
-        </div>
-      </div>
-    );
-  }
-
-  if (task.type === "weekly") {
-    return (
-      <label className="task-planner-reset-override">
-        <span>{textContent.taskWeeklyResetDayLabel || "Jour hebdo"}</span>
-        <select
-          value={task.weeklyResetDay ?? ""}
-          onChange={(event) => onUpdateTask(task.id, (current) => {
-            const nextTask = { ...current };
-            if (event.target.value === "") {
-              delete nextTask.weeklyResetDay;
-            } else {
-              nextTask.weeklyResetDay = Number(event.target.value);
-            }
-            return nextTask;
-          })}
-        >
-          <option value="">{textContent.inheritWeeklyResetDay || "Global"}</option>
-          {WEEK_DAYS.map((day) => <option key={day.value} value={day.value}>{day.label}</option>)}
-        </select>
-      </label>
-    );
-  }
-
-  return (
-    <div className="task-planner-reset-override is-empty">
-      <span>{textContent.taskResetLabel || "Réinitialisation"}</span>
-      <p>{textContent.noTaskResetLabel || "Aucun reset"}</p>
-    </div>
-  );
-}
-
-function LinksEditor({ label, relations, task, tasks, parentMap, relationTargets, emptyLabel, addLabel, removeLabel, prerequisiteLabel, onAddLinkTarget, onRemoveLinkTarget, onSetPrerequisite }) {
-  const descendantIds = new Set();
-  function collectDescendants(taskId) {
-    tasks.filter((item) => parentMap.get(item.id) === taskId).forEach((child) => {
-      descendantIds.add(child.id);
-      collectDescendants(child.id);
-    });
-  }
-  collectDescendants(task.id);
-  const availableTargets = relationTargets.filter((target) => !descendantIds.has(target.id));
-
-  return (
-    <div className="task-planner-relations">
-      <span>{label}</span>
-      <select
-        value=""
-        onChange={(event) => {
-          onAddLinkTarget(task.id, event.target.value);
-          event.target.value = "";
-        }}
-        aria-label={addLabel}
-      >
-        <option value="">{addLabel}</option>
-        {availableTargets.map((target) => <option key={target.id} value={target.id}>{target.title}</option>)}
-      </select>
-      <div>
-        {relations.length ? relations.map((relation) => (
-          <div className="task-planner-relation-chip" key={relation.id}>
-            <span>{getTaskTitle(tasks, relation.toTaskId)}</span>
-            <label title={prerequisiteLabel}>
-              <input
-                type="checkbox"
-                checked={relation.prerequisite}
-                onChange={(event) => onSetPrerequisite(task.id, relation.toTaskId, event.target.checked)}
-                aria-label={`${prerequisiteLabel} ${getTaskTitle(tasks, relation.toTaskId)}`}
-              />
-              <span>{prerequisiteLabel}</span>
-            </label>
-            <button type="button" onClick={() => onRemoveLinkTarget(task.id, relation.toTaskId)} title={removeLabel} aria-label={`${removeLabel} ${getTaskTitle(tasks, relation.toTaskId)}`}>
-              <Icon name="close" />
-            </button>
-          </div>
-        )) : <em>{emptyLabel}</em>}
-      </div>
-    </div>
-  );
-}