42 lines
1.9 KiB
TypeScript
42 lines
1.9 KiB
TypeScript
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/**
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* THE ARTIFACT-UI ROUTE (owner, 2026-10-07): persists the learner's invert
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* switch onto a demo/figure steer message (details.ui.inverted) so it
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* survives session navigation and restarts. Modeled on the dismissal
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* route's SILENCE: no wake, no agent, no tokens, no SSE — the record is
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* the only state that moves, and the client already holds the toggled
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* state optimistically (no refetch churn).
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*
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* Guards: 404 unknown chat, 400 for a body that isn't
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* { input: { messageId, inverted } } or targets no demo/visual steer.
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*/
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import { setSteerUiInverted, type SteerDetails } from "@/src/core";
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import { getChat, stores } from "@/src/server";
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export async function POST(req: Request, ctx: { params: Promise<{ id: string }> }): Promise<Response> {
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const { id } = await ctx.params;
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const chat = getChat(id);
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if (!chat) return Response.json({ error: "Unknown chat" }, { status: 404 });
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const body = (await req.json().catch(() => null)) as { input?: unknown } | null;
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const input = body?.input as { messageId?: unknown; inverted?: unknown } | null | undefined;
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if (
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!input ||
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typeof input !== "object" ||
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typeof input.messageId !== "string" ||
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typeof input.inverted !== "boolean"
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) {
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return Response.json({ error: "input must be { messageId: string, inverted: boolean }" }, { status: 400 });
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}
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// Honesty: the target must actually be a demo/figure steer.
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const target = chat.messages.find((m) => m.id === input.messageId);
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const details = target ? ((target as { details?: unknown }).details as Partial<SteerDetails> | undefined) : undefined;
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if (!details || (details.kind !== "demo" && details.kind !== "visual")) {
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return Response.json({ error: "No demo/figure steer with that message id" }, { status: 400 });
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}
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const messages = setSteerUiInverted(chat.messages, input.messageId, input.inverted);
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stores.chatStore.saveMessages(id, messages);
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return Response.json({ ok: true });
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}
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