*]:mx-auto [&>*]:w-full [&>*]:max-w-2xl",
+ "scroll-smooth",
+ // v1.18.7 — thin, rounded, subtle scrollbar (WebKit + Firefox),
+ // component-scoped via Tailwind arbitrary variants so globals.css
+ // stays untouched. Replaces the default boxy/angular track.
+ COACH_SCROLLBAR,
+ )}
+ >
+ {messages.map((m, idx) => {
+ // v1.4.22 W5 reconcile (Code-MED-3) — suppress the persisted
+ // twin during the 150ms grace window so the streaming bubble
+ // stays alone on slow connections.
+ if (m.id === suppressedTwinId) return null;
+ // v1.16.5 — a guided question renders directly above the user
+ // message that answered it.
+ const guidedBefore = placement.before.get(m.id);
+ // v1.22 — "Try again": resolve the user message that produced this
+ // assistant reply (the nearest preceding user turn) so the surface
+ // can resubmit it. Null when there is none → no regenerate action.
+ let precedingUserContent: string | null = null;
+ if (m.role === "assistant" && onRegenerate) {
+ for (let j = idx - 1; j >= 0; j--) {
+ if (messages[j].role === "user") {
+ precedingUserContent = messages[j].content;
+ break;
+ }
}
}
- }
- return (
-
- {guidedBefore?.node}
- onRegenerate(precedingUserContent as string)
- : undefined
- }
- />
-
- );
- })}
- {/* v1.4.25 W5 — optimistic user bubble surfaces between the
+ return (
+
+ {guidedBefore?.node}
+ onRegenerate(precedingUserContent as string)
+ : undefined
+ }
+ />
+
+ );
+ })}
+ {/* v1.4.25 W5 — optimistic user bubble surfaces between the
persisted history and the streaming assistant placeholder so
the visible order matches the user's mental model. The
send-hook drops it as soon as the SSE `done` frame fires +
the invalidate-refetch lands the persisted twin. */}
- {/* v1.16.5 — guided question whose answer is still optimistic-only. */}
- {placement.beforeOptimistic.map((i) => (
-
{i.node}
- ))}
- {optimisticActive && optimisticUser && (
-
- )}
- {streamingActive && streaming && (
- // role=log + aria-live=polite so screen-reader users hear the
- // assistant prose announce as tokens land. aria-relevant=text
- // limits announcements to the streamed content; additions
- // covers the bubble-mount edge case.
-
; this stays a light
- // container fade for the disclosure → prose transition.
- className="motion-safe:animate-in motion-safe:fade-in-0 motion-safe:slide-in-from-bottom-1 motion-safe:duration-300"
- >
+ {/* v1.16.5 — guided question whose answer is still optimistic-only. */}
+ {placement.beforeOptimistic.map((i) => (
+ {i.node}
+ ))}
+ {optimisticActive && optimisticUser && (
-
- )}
- {/* v1.39.4 — follow-up chips under the latest assistant turn only. */}
- {onFollowUp && chips ? (
-
- ) : null}
- {/* v1.16.5 — thread tail: the current guided question and/or the
+ )}
+ {streamingActive && streaming && (
+ // role=log + aria-live=polite so screen-reader users hear the
+ // assistant prose announce as tokens land. aria-relevant=text
+ // limits announcements to the streamed content; additions
+ // covers the bubble-mount edge case.
+
; this stays a light
+ // container fade for the disclosure → prose transition.
+ className="motion-safe:animate-in motion-safe:fade-in-0 motion-safe:slide-in-from-bottom-1 motion-safe:duration-300"
+ >
+
+
+ )}
+ {/* v1.39.4 — follow-up chips under the latest assistant turn only. */}
+ {onFollowUp && chips ? (
+
+ ) : null}
+ {/* v1.16.5 — thread tail: the current guided question and/or the
closing summary follow the last completed turn. */}
- {placement.tail.map((i) => (
-
{i.node}
- ))}
- {/* Plan-proposal confirm cards for THIS conversation. The extractor
+ {placement.tail.map((i) => (
+
{i.node}
+ ))}
+ {/* Plan-proposal confirm cards for THIS conversation. The extractor
runs after the turn (memory-refresh worker), so the block appears at
the thread tail once the proposal lands rather than under a specific
bubble; the component itself slow-polls and renders nothing while
the conversation has no open proposal. */}
- {conversation ? (
-
- ) : null}
-