feat: refine quick wins workflow and calendar layout

app/__init__.py

@@ -4,6 +4,11 @@ import json
 from pathlib import Path
 
 from flask import Flask
+from markupsafe import escape
+try:
+    import pyphen
+except ModuleNotFoundError:  # pragma: no cover - optional dependency in local dev
+    pyphen = None
 
 from config import Config
 
@@ -19,6 +24,12 @@ from .services.bootstrap import ensure_schema_and_admins
 from .services.dates import MONTH_NAMES, local_now
 from .services.monthly import archive_months_missing_up_to_previous
 
+DE_HYPHENATOR = pyphen.Pyphen(lang="de_DE") if pyphen else None
+
+
+def _fallback_soft_hyphenate(word: str) -> str:
+    return word
+
 
 def create_app(config_class: type[Config] = Config) -> Flask:
     app = Flask(__name__, static_folder="static", template_folder="templates")
@@ -111,4 +122,36 @@ def create_app(config_class: type[Config] = Config) -> Flask:
     def month_name(value):
         return MONTH_NAMES[value]
 
+    @app.template_filter("hyphenate_de")
+    def hyphenate_de(value):
+        if not value:
+            return ""
+
+        text = str(value)
+        parts: list[str] = []
+        current = []
+
+        def flush_word():
+            if not current:
+                return
+            word = "".join(current)
+            if len(word) >= 6:
+                if DE_HYPHENATOR:
+                    parts.append(DE_HYPHENATOR.inserted(word, "\u00AD"))
+                else:
+                    parts.append(_fallback_soft_hyphenate(word))
+            else:
+                parts.append(word)
+            current.clear()
+
+        for char in text:
+            if char.isalpha() or char in "ÄÖÜäöüß":
+                current.append(char)
+            else:
+                flush_word()
+                parts.append(char)
+
+        flush_word()
+        return escape("".join(parts))
+
     return app