fix(slides,#16188): temoin des chevauchements-fantomes eteints par la confirmation element

scripts/notebook_tools/scan_slidev_composition.py

@@ -271,6 +271,11 @@ def measure_slide(page, slide_idx: int, canvas_w: int, canvas_h: int) -> dict:
             // (RECOUVREMENT ci-après), qui mesure le contenu rendu et
             // l'ordre de peinture au lieu de la boîte élément naïve.
             const chevauchements = [];
+            // #16188 : paires éteintes par la confirmation élément ci-dessous.
+            // Un correctif muet serait indiscernable d'un organe mort : la
+            // notice [CHEVAUCHEMENT-FANTOME] rapporte ce compte (#12719
+            // acceptance 4 -- dire ce qu'on a refusé de rapporter).
+            let chevauchementsEteints = 0;
             const textEls = Array.from(
                 root.querySelectorAll('h1, h2, h3, h4, p, li, blockquote, td, th')
             );
@@ -332,7 +337,7 @@ def measure_slide(page, slide_idx: int, canvas_w: int, canvas_h: int) -> dict:
                         const eb = b.el.getBoundingClientRect();
                         const eOverlapX = Math.min(ea.right, eb.right) - Math.max(ea.left, eb.left);
                         const eOverlapY = Math.min(ea.bottom, eb.bottom) - Math.max(ea.top, eb.top);
-                        if (eOverlapX <= 0 || eOverlapY <= 0) continue;
+                        if (eOverlapX <= 0 || eOverlapY <= 0) { chevauchementsEteints++; continue; }
                         chevauchements.push({
                             a: a.key, b: b.key,
                             a_bbox: [Math.round(a.left), Math.round(a.top), Math.round(a.right), Math.round(a.bottom)],
@@ -538,7 +543,7 @@ def measure_slide(page, slide_idx: int, canvas_w: int, canvas_h: int) -> dict:
                 };
             }
 
-            return { horsCanvas, chevauchements, recouvrements, occupation, contentBottom: Math.round(contentBottom) };
+            return { horsCanvas, chevauchements, chevauchementsEteints, recouvrements, occupation, contentBottom: Math.round(contentBottom) };
         }""",
         [canvas_w, canvas_h],
     )
@@ -554,6 +559,7 @@ def measure_slide(page, slide_idx: int, canvas_w: int, canvas_h: int) -> dict:
         "hors_canvas": hors,
         "container_only": bool(hors) and not any(h.get("tag") in CONTENT_TAGS for h in hors),
         "chevauchements": raw.get("chevauchements", []),
+        "chevauchements_eteints": raw.get("chevauchementsEteints", 0),
         "recouvrements": raw.get("recouvrements", []),
         "occupation": raw.get("occupation"),
     }
@@ -664,6 +670,15 @@ def github_annotations(report: dict, slides_md: Path) -> list[str]:
                 f"::warning file={rel},line={line}::[CHEVAUCHEMENT] slide {r['slide']} ({head}) — "
                 f"{c['a']} × {c['b']} overlap={c['overlap']}px element_overlap={c.get('element_overlap')}px"
             )
+        # #16188 : la porte de confirmation élément (#15695) est un témoin,
+        # pas un silence -- chaque effleurement Range qu'elle éteint est
+        # compté et rapporté en notice. Non bloquant par construction.
+        if r.get("chevauchements_eteints"):
+            out.append(
+                f"::notice file={rel},line={line}::[CHEVAUCHEMENT-FANTOME] slide {r['slide']} ({head}) — "
+                f"{r['chevauchements_eteints']} effleurement(s) Range éteint(s) par la "
+                f"confirmation élément (#15695) : boîtes élément disjointes, rien à l'écran"
+            )
         for rv in r.get("recouvrements", [])[:3]:
             out.append(
                 f"::warning file={rel},line={line}::[RECOUVREMENT-TEXTE-IMAGE] slide {r['slide']} — "
@@ -759,6 +774,7 @@ def main():
     n_total = len(results)
     n_hors = sum(1 for r in results if content_overflow(r))
     n_chev = sum(1 for r in results if r.get("chevauchements"))
+    n_eteints = sum(r.get("chevauchements_eteints") or 0 for r in results)
     n_rec = sum(1 for r in results if r.get("recouvrements"))
     n_occ = sum(1 for r in results if occupation_flagged(r, canvas_h))
 
@@ -790,6 +806,7 @@ def main():
         "n_slides": n_total,
         "n_hors_canvas": n_hors,
         "n_chevauchements": n_chev,
+        "n_chevauchements_eteints": n_eteints,
         "n_recouvrements": n_rec,
         "n_occupation_flagged": n_occ,
         "recouvrement_borne": (

scripts/notebook_tools/tests/test_scan_slidev_composition.py

@@ -330,7 +330,7 @@ def _build(baseline_slide):
             "canvas_w": 980, "canvas_h": 552,
             "BORNE": "ADVISORY",
             "ctrl_positif_ok": None, "ctrl_positif_msg": None,
-            "n_total": 0, "n_hors": 0, "n_chev": 0, "n_rec": 0, "n_occ": 0,
+            "n_total": 0, "n_hors": 0, "n_chev": 0, "n_eteints": 0, "n_rec": 0, "n_occ": 0,
         }
         exec(block, ns)
         return ns["report"]

scripts/tests/test_scan_slidev_composition.py

@@ -126,6 +126,54 @@ def test_hors_canvas_contenu_inchange(self):
         assert "::warning" in hc and "IMG" in hc
 
 
+class TestTemoinsChevauchementsFantomes16188:
+    """#16188 : les effleurements Range eteints par la porte de confirmation
+    element (#15695) sont comptes et rapportes en notice -- un correctif muet
+    serait indiscernable d'un organe mort."""
+
+    def test_paire_rapportee_porte_les_deux_mesures(self):
+        r = {
+            "slide": 6, "text_head": "vraie collision",
+            "hors_canvas": [], "chevauchements": [{
+                "a": "P.x", "b": "P.y", "a_bbox": [1, 2, 3, 4],
+                "b_bbox": [2, 3, 5, 6], "overlap": [12, 8],
+                "element_overlap": [11.5, 7.25],
+            }],
+            "chevauchements_eteints": 0,
+            "recouvrements": [], "occupation": None,
+        }
+        lines = ssc.github_annotations(_report([r]), Path("slides.md"))
+        chev = next(l for l in lines if "[CHEVAUCHEMENT]" in l)
+        assert "overlap=[12, 8]px" in chev
+        assert "element_overlap=[11.5, 7.25]px" in chev
+
+    def test_effleurement_eteint_emet_une_notice_comptee(self):
+        r = {
+            "slide": 16, "text_head": "graze code padding",
+            "hors_canvas": [], "chevauchements": [],
+            "chevauchements_eteints": 1,
+            "recouvrements": [], "occupation": None,
+        }
+        lines = ssc.github_annotations(_report([r]), Path("slides.md"))
+        fant = next(l for l in lines if "CHEVAUCHEMENT-FANTOME" in l)
+        assert "::notice" in fant
+        assert "1 effleurement" in fant
+        assert "#15695" in fant
+        assert not any("[CHEVAUCHEMENT]" in l for l in lines), (
+            "eteint = pas de warning CHEVAUCHEMENT"
+        )
+
+    def test_slide_propre_sans_eteints_n_emet_rien(self):
+        r = {
+            "slide": 2, "text_head": "propre",
+            "hors_canvas": [], "chevauchements": [],
+            "chevauchements_eteints": 0,
+            "recouvrements": [], "occupation": None,
+        }
+        lines = ssc.github_annotations(_report([r]), Path("slides.md"))
+        assert not any("CHEVAUCHEMENT" in l for l in lines)
+
+
 class TestBornesAdvisory:
     def test_borne_documentee_dans_docstring(self):
         """Le signal est ADVISORY : le docstring du module (charge par