enhanced deadline parsing

extension/content.js

@@ -1678,12 +1678,35 @@ function extractDeadlineFromPostText(postElement) {
 
   // German date patterns
   const patterns = [
-    // DD.MM.YYYY or DD.MM.YY
-    /\b(\d{1,2})\.(\d{1,2})\.(\d{2,4})\b/g,
-    // DD.MM (without year)
-    /\b(\d{1,2})\.(\d{1,2})\.\s*(?!\d)/g
+    // DD.MM.YYYY or DD.MM.YY (with optional time like ", 23:59Uhr")
+    /\b(\d{1,2})\.(\d{1,2})\.(\d{2,4})(?!\d)/g,
+    // DD.MM (without year, optional trailing time)
+    /\b(\d{1,2})\.(\d{1,2})\.(?!\d)/g
   ];
 
+  const extractTimeAfterIndex = (text, index) => {
+    const tail = text.slice(index, index + 40);
+    const timeMatch = /^\s*(?:[,;:-]|\b)?\s*(?:um|ab|bis)?\s*(?:ca\.?)?\s*(\d{1,2})[:.](\d{2})\s*(?:uhr|h)?/i.exec(tail);
+    if (!timeMatch) {
+      return null;
+    }
+    const hour = parseInt(timeMatch[1], 10);
+    const minute = parseInt(timeMatch[2], 10);
+    if (Number.isNaN(hour) || Number.isNaN(minute)) {
+      return null;
+    }
+    if (hour < 0 || hour > 23 || minute < 0 || minute > 59) {
+      return null;
+    }
+    return { hour, minute };
+  };
+
+  const hasInclusiveKeywordNear = (text, index) => {
+    const windowStart = Math.max(0, index - 40);
+    const windowText = text.slice(windowStart, index).toLowerCase();
+    return /\b(einschlie(?:ß|ss)lich|inklusive|inkl\.)\b/.test(windowText);
+  };
+
   const foundDates = [];
 
   for (const pattern of patterns) {
@@ -1692,6 +1715,7 @@ function extractDeadlineFromPostText(postElement) {
         const day = parseInt(match[1], 10);
         const month = parseInt(match[2], 10);
         let year = match[3] ? parseInt(match[3], 10) : today.getFullYear();
+        const matchIndex = match.index;
 
         // Handle 2-digit years
         if (year < 100) {
@@ -1704,6 +1728,13 @@ function extractDeadlineFromPostText(postElement) {
 
         // Check if date is valid (e.g., not 31.02.)
         if (date.getMonth() === month - 1 && date.getDate() === day) {
+          const timeInfo = extractTimeAfterIndex(fullText, pattern.lastIndex);
+          if (timeInfo) {
+            date.setHours(timeInfo.hour, timeInfo.minute, 0, 0);
+          } else if (hasInclusiveKeywordNear(fullText, matchIndex)) {
+            date.setHours(23, 59, 0, 0);
+          }
+
           // Only add if date is in the future
           if (date > today) {
             foundDates.push(date);
@@ -1721,12 +1752,20 @@ function extractDeadlineFromPostText(postElement) {
     const monthStr = monthMatch[2].toLowerCase();
     const month = monthNames[monthStr];
     const year = today.getFullYear();
+    const matchIndex = monthMatch.index;
 
     if (month && day >= 1 && day <= 31) {
       const date = new Date(year, month - 1, day, 0, 0, 0, 0);
 
       // Check if date is valid
       if (date.getMonth() === month - 1 && date.getDate() === day) {
+        const timeInfo = extractTimeAfterIndex(fullText, monthPattern.lastIndex);
+        if (timeInfo) {
+          date.setHours(timeInfo.hour, timeInfo.minute, 0, 0);
+        } else if (hasInclusiveKeywordNear(fullText, matchIndex)) {
+          date.setHours(23, 59, 0, 0);
+        }
+
         // If date has passed this year, assume next year
         if (date <= today) {
           date.setFullYear(year + 1);