Normalize German TTS abbreviations and units

platform/docker/tts-gateway/test_tts_gateway.py

@@ -122,11 +122,15 @@ class LanguageSegmentationTests(unittest.TestCase):
 
     def test_qwen_speaks_temperature_and_time_ranges_with_bis(self):
         spoken = gateway.prepare_for_qwen_speech(
-            "15°–23 °C, 93 %, ca. 12 mm, vor allem um 05–06 Uhr."
+            "15°–23 °C, 93 %, ca. 12 mm, v.a. um 05–06 Uhr, "
+            "Wind max. 16 km/h."
         )
         self.assertIn("15 bis 23 Grad", spoken)
         self.assertIn("93 Prozent", spoken)
+        self.assertIn("circa 12 mm", spoken)
+        self.assertIn("vor allem", spoken)
         self.assertIn("5 bis 6 Uhr", spoken)
+        self.assertIn("Wind maximal 16 Kilometer pro Stunde", spoken)
 
     def test_qwen_keeps_prosody_punctuation(self):
         spoken = gateway.prepare_for_qwen_speech(

platform/docker/tts-gateway/tts_gateway.py

@@ -235,6 +235,9 @@ def _spoken_ipv4(match: re.Match) -> str:
 
 def normalize_for_german_speech(text: str) -> str:
     """Turn common visual notation into unambiguous spoken German."""
+    text = re.sub(r"\bv\.\s*a\.", "vor allem", text, flags=re.IGNORECASE)
+    text = re.sub(r"\bca\.", "circa", text, flags=re.IGNORECASE)
+    text = re.sub(r"\bmax\.", "maximal", text, flags=re.IGNORECASE)
     # Run these before the date rule: otherwise 192.168.1.5 could be partly
     # interpreted as a visual date.
     text = re.sub(
@@ -329,10 +332,13 @@ def prepare_for_qwen_speech(text: str) -> str:
     text = re.sub(r"\[([^]]+)\]\([^)]+\)", r"\1", text)
     text = re.sub(r"(?m)^\s{0,3}#{1,6}\s*", "", text)
     text = re.sub(r"(?m)^\s*[-*+]\s+", "", text)
-    text = text.replace("_", " ").replace("/", ", ")
+    text = text.replace("_", " ")
     text = text.replace("→", ". ").replace("←", ". ")
     if DEFAULT_LANGUAGE == "de":
         text = normalize_for_german_speech(text)
+    # Preserve slashes until after unit normalization so km/h becomes
+    # "Kilometer pro Stunde" instead of the broken "Kilometer, h".
+    text = text.replace("/", ", ")
     text = "".join(
         char for char in text
         if unicodedata.category(char) not in {"So", "Cs"}

platform/hermes/025-cron-profile-root-fix

@@ -17,18 +17,20 @@ ln -sfn /opt/hermes/.venv/bin/hermes "$cli_dir/hermes"
 ln -sfn /opt/hermes/.venv/bin/hermes /usr/local/bin/hermes
 
 # Hermes streams each detected sentence to TTS separately. Its generic
-# sentence splitter treats the period in the German abbreviation "ca." as a
+# sentence splitter treats periods in German abbreviations as sentence ends,
-# sentence ending, causing "ca." and the following measurement to be spoken
+# causing the following words to become unrelated utterances. Expand these
-# as two unrelated utterances. Expand the abbreviation before splitting.
+# abbreviations before splitting.
 tts_target=/opt/hermes/tools/tts_streaming.py
 tts_old='        self.buf = _THINK_BLOCK_RE.sub("", self.buf + delta)'
 tts_new='        self.buf = _THINK_BLOCK_RE.sub("", self.buf + delta)
-        self.buf = re.sub(r"\bca\.(?=\s)", "circa", self.buf, flags=re.IGNORECASE)'
+        self.buf = re.sub(r"\bca\.(?=\s)", "circa", self.buf, flags=re.IGNORECASE)
+        self.buf = re.sub(r"\bv\.\s*a\.(?=\s)", "vor allem", self.buf, flags=re.IGNORECASE)
+        self.buf = re.sub(r"\bmax\.(?=\s)", "maximal", self.buf, flags=re.IGNORECASE)'
 
 if [ -f "$tts_target" ] && grep -Fq "$tts_old" "$tts_target"; then
     TTS_TARGET="$tts_target" TTS_OLD="$tts_old" TTS_NEW="$tts_new" python3 -c \
-        'import os; from pathlib import Path; p = Path(os.environ["TTS_TARGET"]); s = p.read_text(); p.write_text(s.replace(os.environ["TTS_OLD"], os.environ["TTS_NEW"], 1))'
+        'import os; from functools import reduce; from pathlib import Path; p = Path(os.environ["TTS_TARGET"]); s = p.read_text(); lines = ["        self.buf = re.sub(r\"\\bca\\.(?=\\s)\", \"circa\", self.buf, flags=re.IGNORECASE)", "        self.buf = re.sub(r\"\\bv\\.\\s*a\\.(?=\\s)\", \"vor allem\", self.buf, flags=re.IGNORECASE)", "        self.buf = re.sub(r\"\\bmax\\.(?=\\s)\", \"maximal\", self.buf, flags=re.IGNORECASE)"]; s = reduce(lambda value, line: value.replace("\n" + line, ""), lines, s); p.write_text(s.replace(os.environ["TTS_OLD"], os.environ["TTS_NEW"], 1))'
-    echo "[tts-streaming-fix] expanded German ca. before sentence splitting"
+    echo "[tts-streaming-fix] expanded German abbreviations before sentence splitting"
 else
     echo "[tts-streaming-fix] upstream code already fixed or layout changed; no action"
 fi