33 lines
1.5 KiB
TypeScript
33 lines
1.5 KiB
TypeScript
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// POST /api/chats/[id]/steer — the composer's mid-turn steering rail
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// (owner arc 2026-10-03). The learner's message for a RUNNING turn rides
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// pi's steering queue: drained at the next response boundary INSIDE the
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// same run (agent.steer + steeringMode "all"), forwarded verbatim on the
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// live stream (the client upserts the card by the client-minted id), and
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// persisted by the turn's own settlement.
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//
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// This is steering, NOT follow-ups: the route never starts a turn and
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// never extends an ended one. No live turn → 409 and the client falls
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// back to a plain text send (the settle race). Stranding safety: the
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// registry copy survives a question termination or abort and rides the
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// chat's next run.
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import { ChatInputError, newUserSteer, parseUserSteerInput } from "@/src/core";
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import { getChat, steerLiveChat } from "@/src/server";
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export async function POST(request: Request, ctx: { params: Promise<{ id: string }> }): Promise<Response> {
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const { id } = await ctx.params;
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if (!getChat(id)) return Response.json({ error: "unknown chat" }, { status: 404 });
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let input;
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try {
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const body = (await request.json()) as { input?: unknown };
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input = parseUserSteerInput(body?.input);
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} catch (err) {
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if (err instanceof ChatInputError) return Response.json({ error: err.message }, { status: 400 });
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throw err;
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}
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const message = newUserSteer(input.text, input.id);
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if (!steerLiveChat(id, message)) {
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return Response.json({ error: "no live turn to steer" }, { status: 409 });
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}
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return Response.json({ ok: true });
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}
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