de: add de_abbrevs section with 43 German abbreviation pronunciations

misaki/data/de_overrides.json

@@ -1,5 +1,5 @@
 {
-    "_comment": "German pronunciation overrides for DEG2P. Phonemes bypass espeak-ng and go straight to the model. Priority on lookup collisions: brand > en > de_foreign. Keys are matched after normalize_for_lookup() (casefold, NFKD, strip combining marks, + -> plus, & -> and, @ -> at, keep alphanumerics). Ported from kikiri-tts PR #28 (dida-80b).",
+    "_comment": "German pronunciation overrides for DEG2P. Phonemes bypass espeak-ng and go straight to the model. Priority on lookup collisions: brand > en > de_abbrevs > de_foreign. Keys are matched after normalize_for_lookup() (casefold, NFKD, strip combining marks, + -> plus, & -> and, @ -> at, keep alphanumerics). Ported from kikiri-tts PR #28 (dida-80b).",
     "brand": {
         "bark": "bˈaːɐk",
         "claude": "klˈoːt",
@@ -82,6 +82,52 @@
         "wsl": "dˌʌbəljˌuːˌɛsˈɛl",
         "zero-shot": "zˈiːɹo ʃˈɔt"
     },
+    "de_abbrevs": {
+        "_comment": "German abbreviations/acronyms mispronounced by espeak-ng. Letter names: A=aː B=beː C=tseː D=deː E=eː F=ɛf G=ɡeː H=haː I=iː K=kaː L=ɛl M=ɛm N=ɛn O=oː P=peː R=ɛɾ S=ɛs T=teː U=uː V=fW(=faʊ) W=veː X=ɪks Z=tsɛt",
+        "ADAC": "ˌaːˌdeːˌaːˈtseː",
+        "AFP": "ˌaːˌɛfˈpeː",
+        "AKW": "ˌaːˌkaːˈveː",
+        "AOK": "ˌaːˌoːˈkaː",
+        "AP": "ˌaːˈpeː",
+        "ARD": "ˌaːˌɛɾˈdeː",
+        "AfD": "ˌaːˌɛfˈdeː",
+        "BA": "ˌbeːˈaː",
+        "BASF": "ˌbeːˌaːˌɛsˈɛf",
+        "CEO": "ˌsiːˌiːˈoː",
+        "CGT": "ˌtseːˌɡeːˈteː",
+        "CIA": "ˌtseːˌaɪˈeɪ",
+        "CO": "ˌtseːˈoː",
+        "CO2": "ˌtseːˌoːˈtsvai",
+        "ESA": "ˌeːˌɛsˈaː",
+        "EU": "ˌeːˈuː",
+        "EVG": "ˌeːˌfWˈɡeː",
+        "EZB": "ˌeːˌtsɛtˈbeː",
+        "FAZ": "ˌɛfˌaːˈtsɛt",
+        "FPÖ": "ˌɛfˌpeːˈøː",
+        "IAEA": "ˌiːˌaːˌeːˈaː",
+        "ICE": "ˌiːˌtseːˈeː",
+        "IG": "ˌiːˈɡeː",
+        "IS": "ˌiːˈɛs",
+        "IT": "ˌiːˈteː",
+        "IW": "ˌiːˈveː",
+        "IWF": "ˌiːˌveːˈɛf",
+        "KI": "ˌkaːˈiː",
+        "OECD": "ˌoːˌeːˌtseːˈdeː",
+        "OPEC": "ˈoːpɛk",
+        "OSZE": "ˌoːˌɛsˌtsɛtˈeː",
+        "SDAX": "ˌɛsˌdeːˌaːˈɪks",
+        "UBS": "ˌuːˌbeːˈɛs",
+        "UEFA": "ˌuːˌeːˈfa",
+        "UK": "ˌjuːˈkeɪ",
+        "UN": "ˌuːˈɛn",
+        "US": "ˌuːˈɛs",
+        "USA": "ˌuːˌɛsˈaː",
+        "UV": "ˌuːˈfW",
+        "WHO": "ˌveːˌhaːˈoː",
+        "ZEW": "ˌtsɛtˌeːˈveː",
+        "ÖPNV": "ˌøːˌpeːˌɛnˈfW",
+        "ÖVP": "ˌøːˌfWˈpeː"
+    },
     "de_foreign": {
         "diathese": "diaˈteːzə",
         "ekstase": "ɛkstˈaːzə",

misaki/de.py

@@ -409,14 +409,14 @@ def normalize_for_lookup(text: str) -> str:
 def _load_overrides():
     """Load de_overrides.json and build the normalized lookup table.
 
-    Priority on key collisions: brand > en > de_foreign (first writer wins).
+    Priority on key collisions: brand > en > de_abbrevs > de_foreign (first writer wins).
     Returns (lookup, aliases) where lookup maps normalized keys to phonemes and
     aliases maps one normalized key to another.
     """
     with importlib.resources.open_text(data, "de_overrides.json") as r:
         raw = json.load(r)
     lookup = {}
-    for section in ("brand", "en", "de_foreign"):
+    for section in ("brand", "en", "de_abbrevs", "de_foreign"):
         for key, value in raw.get(section, {}).items():
             lookup.setdefault(normalize_for_lookup(key), value)
     aliases = {