feat(calendar): fuzzy Polish name matching + richer ICS/Google Calendar export

Name linking now handles Polish declensions (Iwonę/Iwoną/Iwony → Iwona)
using stem-based regex matching. ICS and Google Calendar exports now include
full event description, speaker name, and properly formatted newlines.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

blueprints/community/calendar/routes.py

@@ -144,10 +144,25 @@ def _enrich_event_description(db, html):
     ).all()
     members = sorted(members, key=lambda m: len(m.name), reverse=True)
 
+    # person_map: exact name → url
+    # person_fuzzy: list of (pattern, display_name, url) for declined Polish names
     person_map = {}
+    person_fuzzy = []
     for m in members:
-        if m.name not in person_map:  # first match wins (longest name already sorted)
-            person_map[m.name] = flask_url_for('public.user_profile', user_id=m.id)
+        if m.name in person_map:
+            continue
+        url = flask_url_for('public.user_profile', user_id=m.id)
+        person_map[m.name] = url
+        # Build fuzzy pattern for Polish name declensions: "Iwona Spaleniak" → "Iwon\w+ Spaleniak"
+        parts = m.name.split()
+        if len(parts) >= 2:
+            first = parts[0]
+            rest = ' '.join(parts[1:])
+            # Stem: keep at least 3 chars, cut last 1-2 chars depending on length
+            stem_len = max(3, len(first) - 2)
+            stem = re.escape(first[:stem_len])
+            fuzzy_pattern = r'\b' + stem + r'\w*\s+' + re.escape(rest) + r'\b'
+            person_fuzzy.append((fuzzy_pattern, m.name, url))
 
     # Build replacement maps — companies
     from database import Company
@@ -173,10 +188,16 @@ def _enrich_event_description(db, html):
         text = re.sub(url_pattern, url_replacer, text)
 
         # 2. Link person names (pill badge — green)
+        # First: exact matches
         for name, url in person_map.items():
             pattern = r'\b' + re.escape(name) + r'\b'
             link = f'<a href="{url}" class="person-link" title="Zobacz profil">{name}</a>'
             text = re.sub(pattern, link, text)
+        # Then: fuzzy matches for Polish declensions (Iwonę → Iwona, etc.)
+        for fuzzy_pattern, display_name, url in person_fuzzy:
+            def fuzzy_replacer(m, _url=url, _display=display_name):
+                return f'<a href="{_url}" class="person-link" title="Zobacz profil">{m.group(0)}</a>'
+            text = re.sub(fuzzy_pattern, fuzzy_replacer, text)
 
         # 3. Link company names (pill badge — orange)
         for name, url in company_map.items():

templates/calendar/event.html

@@ -640,18 +640,26 @@ const _evt = {
     start: '{{ event.time_start.strftime("%H%M") if event.time_start else "0000" }}',
     end: '{{ event.time_end.strftime("%H%M") if event.time_end else "" }}',
     location: {{ (event.location or '')|tojson }},
+    speaker: {{ (event.speaker_name or '')|tojson }},
+    description: {{ (event.description or '')|tojson }},
     url: window.location.href,
 };
 
 function addToGoogleCalendar() {
     const start = _evt.date + 'T' + _evt.start + '00';
     const end = _evt.end ? (_evt.date + 'T' + _evt.end + '00') : '';
+    const details = [
+        _evt.speaker ? 'Prowadzący: ' + _evt.speaker : '',
+        _evt.description,
+        '',
+        'Szczegóły: ' + _evt.url,
+    ].filter(Boolean).join('\n');
     const params = new URLSearchParams({
         action: 'TEMPLATE',
         text: _evt.title,
         dates: start + '/' + (end || start),
         location: _evt.location,
-        details: 'Szczegóły: ' + _evt.url,
+        details: details,
         ctz: 'Europe/Warsaw',
     });
     window.open('https://calendar.google.com/calendar/render?' + params, '_blank');
@@ -662,8 +670,13 @@ function downloadICS() {
     const end = _evt.end ? (_evt.date + 'T' + _evt.end + '00') : (_evt.date + 'T' + _evt.start + '00');
     const uid = 'nordabiz-event-{{ event.id }}@nordabiznes.pl';
     const now = new Date().toISOString().replace(/[-:]/g,'').split('.')[0] + 'Z';
-    const speaker = {{ (event.speaker_name or '')|tojson }};
-    const desc = (speaker ? 'Prowadzący: ' + speaker + '\\n' : '') + 'Szczegóły: ' + _evt.url;
+    const descParts = [
+        _evt.speaker ? 'Prowadzący: ' + _evt.speaker : '',
+        _evt.description,
+        '',
+        'Szczegóły: ' + _evt.url,
+    ].filter(Boolean);
+    const desc = descParts.join('\\n');
     const ics = [
         'BEGIN:VCALENDAR',
         'VERSION:2.0',