Wire the guarded conversational RAG answer layer end-to-end

ingestion/tests/test_extract_formulas.py

@@ -2,6 +2,7 @@ import json
 from pathlib import Path
 
 from ingestion.extract.formulas import (
+    BARLESS_FORMULA_BOTTOM_PT,
     FORMULA_BAND_HEIGHT_PT,
     FORMULA_SIDE_MARGIN_PT,
     load_formula_regions,
@@ -50,6 +51,16 @@ def test_the_barless_adenosin_formula_is_recorded_as_a_recall_limit():
     assert "UNMEASURED" in payload["recall_limit"]
 
 
+def test_barless_adenosin_band_reaches_its_printed_denominator():
+    payload = json.loads(VERIFIED.read_text(encoding="utf-8"))
+    entry = next(r for r in payload["regions"] if r.get("source_prints_no_bar"))
+    region = next(r for r in load_formula_regions() if r.physical_page == 147)
+    assert region.bbox[3] == entry["bar_bbox"][3] + BARLESS_FORMULA_BOTTOM_PT
+    # "Ví dụ:" begins immediately afterwards with its span centre at ~704.3;
+    # the formula band must stop before that prose and the following table.
+    assert region.bbox[3] < 704
+
+
 def test_outlined_text_transcriptions_cover_every_detected_run():
     payload = json.loads(TRANSCRIPTIONS.read_text(encoding="utf-8"))
     runs = payload["runs"]