Hoist SegmentListView into own component, fix lingering external nav fade/realignment timing issues, add chapter markers and associated setting

Author: alex-rawlings-yyc

contributions/localizedStrings.json

@@ -17,10 +17,13 @@
       "%interlinearizer_viewOption_continuousScroll%": "Continuous Scroll",
       "%interlinearizer_viewOption_hideInactiveLinkButtons%": "Hide out-of-segment link buttons",
       "%interlinearizer_viewOption_simplifyPhrases%": "Show phrase controls on focus only",
+      "%interlinearizer_viewOption_chapterLabelInVerse%": "Show chapter in verse label",
       "%interlinearizer_projectSettings_hideInactiveLinkButtons%": "Hide Out-of-Segment Link Buttons",
       "%interlinearizer_projectSettings_hideInactiveLinkButtonsDescription%": "Hide link buttons between phrases in segments that are not currently active",
       "%interlinearizer_projectSettings_simplifyPhrases%": "Show Phrase Controls on Focus Only",
       "%interlinearizer_projectSettings_simplifyPhrasesDescription%": "Hide interactive controls (split, unlink, remove-token) on phrases that are not currently focused, leaving only their style change on hover",
+      "%interlinearizer_projectSettings_chapterLabelInVerse%": "Show Chapter in Verse Label",
+      "%interlinearizer_projectSettings_chapterLabelInVerseDescription%": "Mark chapter boundaries by labeling the first verse of each chapter as chapter:verse instead of showing an inline chapter header above it",
       "%interlinearizer_linkButton_crossSegmentDisabledTooltip%": "Cross-segment phrases are not supported. This link button is outside the current segment.",
 
       "%interlinearizer_modal_create_title%": "Create Interlinear Project",

contributions/projectSettings.json

@@ -16,6 +16,11 @@
         "label": "%interlinearizer_projectSettings_simplifyPhrases%",
         "description": "%interlinearizer_projectSettings_simplifyPhrasesDescription%",
         "default": false
+      },
+      "interlinearizer.chapterLabelInVerse": {
+        "label": "%interlinearizer_projectSettings_chapterLabelInVerse%",
+        "description": "%interlinearizer_projectSettings_chapterLabelInVerseDescription%",
+        "default": false
       }
     }
   }

src/__tests__/components/InterlinearNavContext.test.tsx

@@ -158,6 +158,20 @@ describe('InterlinearNavContext', () => {
       expect(result.current.consumeInternalNav(a)).toBe(true);
       expect(result.current.consumeInternalNav(b)).toBe(true);
     });
+
+    it('matches a verse-0 internal mark against the host-normalized verse-1 reference', () => {
+      // An internal navigation stamped at chapter granularity (verse 0) must still be consumable
+      // when the host echoes it back normalized to the chapter's first verse (verse 1) — the keys
+      // are computed through the same normalization so they cannot diverge on the verse-0 boundary.
+      const { result } = renderNav(
+        makeScrollGroupHook({ book: 'GEN', chapterNum: 1, verseNum: 1 }),
+      );
+
+      act(() => result.current.navigate({ book: 'GEN', chapterNum: 3, verseNum: 0 }, 'internal'));
+      expect(result.current.consumeInternalNav({ book: 'GEN', chapterNum: 3, verseNum: 1 })).toBe(
+        true,
+      );
+    });
   });
 
   describe('cross-book fade clock', () => {