chore: checkpoint current working state

backend/server.js

@@ -687,6 +687,77 @@ function sanitizeProfileNumber(value) {
   return parsed;
 }
 
+function applyProfileVariantTemplates(text, profileNumber) {
+  if (typeof text !== 'string' || !text) {
+    return text || '';
+  }
+
+  const normalizedProfileNumber = sanitizeProfileNumber(profileNumber);
+  let result = text.replace(/\{Profil(?:e)?-(\d+)(?:-(\d+))?\?\s*"([\s\S]*?)"(?:\s*:\s*"([\s\S]*?)")?\}/gi, (match, startStr, endStr, ifText, elseText) => {
+    if (!normalizedProfileNumber) {
+      return '';
+    }
+
+    const start = parseInt(startStr, 10);
+    const end = endStr ? parseInt(endStr, 10) : start;
+    if (Number.isNaN(start) || Number.isNaN(end)) {
+      return '';
+    }
+
+    const lower = Math.min(start, end);
+    const upper = Math.max(start, end);
+    if (normalizedProfileNumber < lower || normalizedProfileNumber > upper) {
+      return elseText || '';
+    }
+    return ifText || '';
+  });
+
+  result = result.replace(/\{Profil(?:e)?-(\d+)(?:-(\d+))?:([\s\S]*?)\}/gi, (match, startStr, endStr, content) => {
+    if (!normalizedProfileNumber) {
+      return '';
+    }
+
+    const start = parseInt(startStr, 10);
+    const end = endStr ? parseInt(endStr, 10) : start;
+    if (Number.isNaN(start) || Number.isNaN(end)) {
+      return '';
+    }
+
+    const lower = Math.min(start, end);
+    const upper = Math.max(start, end);
+    if (normalizedProfileNumber < lower || normalizedProfileNumber > upper) {
+      return '';
+    }
+    return content;
+  });
+
+  return result;
+}
+
+function applyRandomNumberTemplates(text) {
+  if (typeof text !== 'string' || !text) {
+    return text || '';
+  }
+
+  return text.replace(/\{ZUFALL-(-?\d+)-(-?\d+)\}/gi, (match, startStr, endStr) => {
+    const start = parseInt(startStr, 10);
+    const end = parseInt(endStr, 10);
+    if (Number.isNaN(start) || Number.isNaN(end)) {
+      return match;
+    }
+
+    const lower = Math.min(start, end);
+    const upper = Math.max(start, end);
+    const span = upper - lower + 1;
+    if (span <= 0) {
+      return String(lower);
+    }
+
+    const value = Math.floor(Math.random() * span) + lower;
+    return String(value);
+  });
+}
+
 function normalizeDeadline(value) {
   if (!value && value !== 0) {
     return null;
@@ -5059,13 +5130,8 @@ app.delete('/api/search-posts', (req, res) => {
 app.get('/api/profile-state', (req, res) => {
   try {
     const scopeId = req.profileScope;
-    let profileNumber = getScopedProfileNumber(scopeId);
-    if (!profileNumber) {
-      profileNumber = 1;
-      setScopedProfileNumber(scopeId, profileNumber);
-    }
-
-    res.json({ profile_number: profileNumber });
+    const profileNumber = getScopedProfileNumber(scopeId);
+    res.json({ profile_number: profileNumber || null });
   } catch (error) {
     res.status(500).json({ error: error.message });
   }
@@ -5469,10 +5535,9 @@ app.post('/api/posts/:postId/check', (req, res) => {
       didChange = true;
     }
 
-    let profileValue = sanitizeProfileNumber(profile_number);
+    let profileValue = sanitizeProfileNumber(profile_number) || getScopedProfileNumber(req.profileScope);
     if (!profileValue) {
-      const storedProfile = getScopedProfileNumber(req.profileScope);
-      profileValue = storedProfile || requiredProfiles[0];
+      return res.status(400).json({ error: 'Profil muss zuerst ausgewählt werden.' });
     }
 
     const completedRows = db.prepare('SELECT profile_number FROM checks WHERE post_id = ?').all(postId);
@@ -5620,10 +5685,9 @@ app.post('/api/check-by-url', (req, res) => {
       didChange = true;
     }
 
-    let profileValue = sanitizeProfileNumber(profile_number);
+    let profileValue = sanitizeProfileNumber(profile_number) || getScopedProfileNumber(req.profileScope);
     if (!profileValue) {
-      const storedProfile = getScopedProfileNumber(req.profileScope);
-      profileValue = storedProfile || requiredProfiles[0];
+      return res.status(400).json({ error: 'Profil muss zuerst ausgewählt werden.' });
     }
 
     const completedRows = db.prepare('SELECT profile_number FROM checks WHERE post_id = ?').all(post.id);
@@ -6673,10 +6737,11 @@ app.post('/api/ai/generate-comment', async (req, res) => {
     }
 
     let promptPrefix = settings.prompt_prefix || '';
+    const normalizedProfileNumber = sanitizeProfileNumber(profileNumber);
 
     // Get friend names for the profile if available
-    if (profileNumber) {
-      const friends = db.prepare('SELECT friend_names FROM profile_friends WHERE profile_number = ?').get(profileNumber);
+    if (normalizedProfileNumber) {
+      const friends = db.prepare('SELECT friend_names FROM profile_friends WHERE profile_number = ?').get(normalizedProfileNumber);
       if (friends && friends.friend_names) {
         promptPrefix = promptPrefix.replace('{FREUNDE}', friends.friend_names);
       } else {
@@ -6686,6 +6751,12 @@ app.post('/api/ai/generate-comment', async (req, res) => {
       promptPrefix = promptPrefix.replace('{FREUNDE}', '');
     }
 
+    const today = new Date();
+    const todayDisplay = today.toLocaleDateString('de-DE');
+    promptPrefix = promptPrefix.replaceAll('{DATUM}', todayDisplay);
+    promptPrefix = applyRandomNumberTemplates(promptPrefix);
+    promptPrefix = applyProfileVariantTemplates(promptPrefix, normalizedProfileNumber);
+
     // Try each active credential until one succeeds
     let lastError = null;
     const attemptDetails = [];