45 lines
1.8 KiB
TypeScript
45 lines
1.8 KiB
TypeScript
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"use client";
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/**
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* THE default settings (owner, 2026-09-18): the new-session surfaces'
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* model + thinking + knowledge-context controls are the settings page for
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* the default model. There is NO baked-in default — BYOK first boot shows
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* "no model" until the user picks one, and their last choice IS the
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* default from then on. Both surfaces (the home graph view's topic dock
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* and /chat/new) share ONE server-side record (GET/PUT
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* /api/settings/defaults → data/default-settings.json).
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*
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* No loading state, no flash: the PAGES server-render the record
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* (readDefaultSettings → initialSettings), so the controls show truth on
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* the first frame — dynamic routes aren't cached client-side (staleTimes
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* .dynamic = 0), so every navigation gets fresh server truth. This hook
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* only holds the state between saves: initialSettings seeds it, and every
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* change applies locally (optimistic — the controls only send valid
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* values: the picker offers catalog models, the slider sends its stops)
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* and persists fire-and-forget; a failed write logs, and the next
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* navigation re-reads the persisted truth.
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*/
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import { useCallback, useState } from "react";
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import type { ChatSettings } from "@/src/core";
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export function useDefaultSettings(initialSettings: ChatSettings | null): {
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settings: ChatSettings | undefined;
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save: (settings: ChatSettings) => void;
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} {
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const [settings, setSettings] = useState<ChatSettings | undefined>(initialSettings ?? undefined);
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const save = useCallback((next: ChatSettings) => {
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setSettings(next);
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void fetch("/api/settings/defaults", {
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method: "PUT",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(next),
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}).catch((err: unknown) => {
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console.error("default settings write failed:", err);
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});
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}, []);
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return { settings, save };
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}
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