Add shallow character load mode

public/script.js

@@ -1781,7 +1781,7 @@ export async function getCharacters() {
         method: 'POST',
         headers: getRequestHeaders(),
         body: JSON.stringify({
-            '': '',
+            shallow: power_user.shallow_characters,
         }),
     });
     if (response.ok === true) {
@@ -3658,6 +3658,9 @@ export async function Generate(type, { automatic_trigger, force_name2, quiet_pro
     setGenerationProgress(0);
     generation_started = new Date();
 
+    // Prevent generation from shallow characters
+    await unshallowCharacter(this_chid);
+
     // Occurs every time, even if the generation is aborted due to slash commands execution
     await eventSource.emit(event_types.GENERATION_STARTED, type, { automatic_trigger, force_name2, quiet_prompt, quietToLoud, skipWIAN, force_chid, signal, quietImage }, dryRun);
 
@@ -6704,9 +6707,42 @@ export function buildAvatarList(block, entities, { templateId = 'inline_avatar_t
     }
 }
 
+/**
+ * Loads all the data of a shallow character.
+ * @param {string|undefined} characterId Array index
+ * @returns {Promise<void>} Promise that resolves when the character is unshallowed
+ */
+export async function unshallowCharacter(characterId) {
+    if (characterId === undefined) {
+        console.warn('Undefined character cannot be unshallowed');
+        return;
+    }
+
+    const character = characters[characterId];
+    if (!character) {
+        console.warn('Character not found:', characterId);
+        return;
+    }
+
+    // Character is not shallow
+    if (!character.shallow) {
+        return;
+    }
+
+    const avatar = character.avatar;
+    if (!avatar) {
+        console.warn('Character has no avatar field:', characterId);
+        return;
+    }
+
+    await getOneCharacter(avatar);
+}
+
 export async function getChat() {
     //console.log('/api/chats/get -- entered for -- ' + characters[this_chid].name);
     try {
+        await unshallowCharacter(this_chid);
+
         const response = await $.ajax({
             type: 'POST',
             url: '/api/chats/get',