feat: bilara corpus ingestion to suttas.jsonl

tests/test_corpus.py

@@ -0,0 +1,17 @@
+import json
+from pathlib import Path
+from buddhagpt.corpus import segments_to_text, load_bilara_suttas
+
+def test_segments_to_text_joins_in_key_order():
+    segs = {"mn21:1.2": "second.", "mn21:1.1": "First."}
+    assert segments_to_text(segs) == "First. second."
+
+def test_load_bilara_suttas(tmp_path):
+    d = tmp_path / "translation/en/sujato/sutta/mn"
+    d.mkdir(parents=True)
+    (d / "mn21_translation-en-sujato.json").write_text(
+        json.dumps({"mn21:0.1": "Middle Discourses 21", "mn21:1.1": "So I have heard."})
+    )
+    suttas = list(load_bilara_suttas(tmp_path))
+    assert suttas[0]["uid"] == "mn21"
+    assert "So I have heard." in suttas[0]["text"]