feat: add support for natural vowell initial form in 'ana' pronoun and corresponding test

app/grammar.py

@@ -15,7 +15,9 @@ import itertools
 # subject pronouns, in the order used by every verb table below
 #            key       Hebrew    course tr   (arabic, ipa) readings, main one first
 PRONOUNS = [
-    ("ana",   "אני",    "אַנַא",    [("انا", "ʔ a n a")]),
+    # The initial glottal stop is routinely absent in natural Palestinian speech.  Keep both alignments so a weak
+    # breathy onset is not forced against ʔ and reported as h, while the written and displayed form stays identical.
+    ("ana",   "אני",    "אַנַא",    [("انا", "ʔ a n a"), ("انا", "a n a")]),
     ("inte",  "אתה",    "אִנְתֵ",    [("انت", "ʔ i n t e"), ("انت", "ʔ i n t a")]),
     ("inti",  "את",     "אִנְתִי",   [("انتي", "ʔ i n t i")]),
     ("huwwe", "הוא",    "הוּّ",     [("هوّ", "h u w w e"), ("هو", "h uː")]),

tests/test_scoring.py

@@ -344,6 +344,17 @@ def test_dropped_glottal_stop_is_not_an_error():
     assert not r["tips"] and not any("עצירה" in i["sound"] for i in r["issues"])
 
 
+def test_ana_explicitly_accepts_the_natural_vowell_initial_form():
+    from app.grammar import PRONOUNS
+
+    ana = next(p for p in PRONOUNS if p[0] == "ana")
+    assert ("انا", "a n a") in ana[3]
+    phrase = {"variants": ana[3]}
+    r = scorer_for(emissions(["a", "n", "a"])).score(None, phrase)
+    assert r["variant"]["ipa"] == "a n a" and r["score"] >= 90
+    assert not r["tips"] and not r["issues"]
+
+
 def test_tts_endpoint_serves_phrase_audio_and_503_without_key():
     from fastapi.testclient import TestClient