Chevron Button Behavior

Nucleic-Session: 8BCB521F-EFDD-48A4-B1E8-1E0499B25516 Co-authored-by: Nucleic <[email protected]>
2026-07-06 17:26:09 -07:00
parent 2b70952928
commit e1bb0f0772
1 changed files with 11 additions and 0 deletions
@@ -556,6 +556,17 @@ struct TranscriptList: View {
                guard transcriptSettling, transcriptContentHeight > 0 else { return }
                try? await Task.sleep(for: .milliseconds(80))
                if Task.isCancelled { return }
+                // Pin to the true bottom before opening the gate. The settling layout lands a
+                // hair off the bottom, so the passive `.defaultScrollAnchor` alone leaves the
+                // scroll geometry reading "not at bottom" — and that stale reading latches
+                // `onScrollGeometryChange`'s tracked value at `false` while the gate above holds
+                // `isScrolledToBottom` at `true`. Because the callback only fires on a *change*,
+                // the user's first real scroll-up (still `false`) then never fires it: the chevron
+                // never appears and live output keeps yanking the view to the bottom, until a
+                // down-then-up round-trip finally re-emits the change. An explicit pin nudges the
+                // offset the last hair, forcing a fresh "at bottom" emission that re-syncs the
+                // tracker with the gate. Mirrors the Mac's reveal pin.
+                scrollToEnd(proxy, animated: false)
                transcriptSettling = false
            }
            // Coalescing means item count lags event count; key the autoscroll on the raw stream