602 lines
24 KiB
TypeScript
602 lines
24 KiB
TypeScript
"use client";
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import type { Dispatch, MutableRefObject, SetStateAction } from "react";
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import { useRef, useState } from "react";
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import { showChatNotice as setComposerNotice } from "@/lib/chat-notice";
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import { writeChatSession } from "@/lib/chat-session-write-contract";
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import {
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SESSION_LOOKUP_FAILED_NOTICE,
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SESSION_MISSING_NOTICE,
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parseSessionUrlQuery,
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writeSessionUrl,
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} from "@/lib/chat-session-url";
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import { consultationReportMarkdown } from "@/lib/consultation-report-export";
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import { fallbackSessionId } from "@/lib/rectification-session-composer-guard";
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import { sortSessions } from "@/lib/session-groups";
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import {
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clearBirthTimeConsultationConsent,
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type BirthTimeConsultationConsentState,
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} from "@/lib/birth-time-consultation-consent";
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import {
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createSession,
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fetchSessionDetail,
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fetchSessions,
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LoginRedirectError,
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lookupSessionById,
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mergeHydratedSession,
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patchSessionModel,
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readSessions,
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} from "@/lib/home-cloud-sync";
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import {
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isListedSidebarSession,
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isUnsavedEmptyConsultation,
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replaceUnsavedEmptyConsultations,
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} from "@/lib/session-list-filter";
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import {
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chatSessionSubjectLocked,
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emptySessionBindingWrite,
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NEW_CHAT_SUBJECT_ID,
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} from "@/lib/chat-profile-picker-model";
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import { isConsultationSubjectProfileComplete } from "@/lib/consultation-subject-resolver";
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import { chartSnapshotForSession } from "@/lib/home-profile";
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import { beginSessionPageLoad, mergeSessionPage } from "@/lib/session-groups";
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import type { ConsultationEntrypoint } from "@/lib/consultation-entrypoint";
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import {
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persistSessionModelSelection,
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type SessionModelPersistenceQueue,
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} from "@/lib/session-model-persistence";
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import type { PublicLanguageModelCatalog } from "@/lib/public-models";
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import {
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type Account,
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type ChartLibraryRecord,
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type ChatSession,
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type Profile,
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type RequestError,
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type Theme,
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} from "@/lib/home-types";
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export type SessionManagementParams = {
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account: Account | null;
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accountId: string | undefined;
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activeChartId: string;
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activeSession: ChatSession | undefined;
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activeSessionId: string;
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activeSessionIdRef: MutableRefObject<string>;
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applySessionPopStateRef: MutableRefObject<(search: string) => void>;
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cancellationPending: boolean;
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chartLibrary: ChartLibraryRecord[];
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creatingSession: boolean;
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modelCatalog: PublicLanguageModelCatalog | null;
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modelPersistence: MutableRefObject<SessionModelPersistenceQueue>;
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modelSelectionVersions: MutableRefObject<Map<string, number>>;
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modelSyncFailures: MutableRefObject<Set<string>>;
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pendingSessionId: string | null;
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profile: Profile;
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rectificationSessionId: string | null;
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sessionDetailInFlight: MutableRefObject<Set<string>>;
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sessionSelectionSource: MutableRefObject<"user" | "history">;
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sessions: ChatSession[];
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sessionsRef: MutableRefObject<ChatSession[]>;
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setActiveChartId: Dispatch<SetStateAction<string>>;
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setActiveSessionId: Dispatch<SetStateAction<string>>;
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setBirthTimeConsultationConsent: Dispatch<SetStateAction<BirthTimeConsultationConsentState>>;
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setCreatingSession: Dispatch<SetStateAction<boolean>>;
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setDraft: (value: string) => void;
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setDraftEntrypoint: (entrypoint: ConsultationEntrypoint | null) => void;
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setDraftTheme: (theme: Theme | null) => void;
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setRectificationError: Dispatch<SetStateAction<string>>;
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setRectificationErrorSessionId: Dispatch<SetStateAction<string | null>>;
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setRequestError: Dispatch<SetStateAction<RequestError | null>>;
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setSessions: Dispatch<SetStateAction<ChatSession[]>>;
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uiPreview: MutableRefObject<boolean>;
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openRectificationSession: (exactSessionId: string) => Promise<void> | void;
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};
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export function useSessionManagement(params: SessionManagementParams) {
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const {
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account,
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activeSession,
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activeSessionId,
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activeSessionIdRef,
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applySessionPopStateRef,
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cancellationPending,
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chartLibrary,
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creatingSession,
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modelCatalog,
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modelPersistence,
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modelSelectionVersions,
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modelSyncFailures,
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pendingSessionId,
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profile,
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rectificationSessionId,
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sessionDetailInFlight,
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sessionSelectionSource,
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sessions,
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sessionsRef,
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setActiveSessionId,
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setBirthTimeConsultationConsent,
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setDraft,
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setDraftEntrypoint,
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setDraftTheme,
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setRectificationError,
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setRectificationErrorSessionId,
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setRequestError,
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setSessions,
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uiPreview,
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openRectificationSession,
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} = params;
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// Owned here since 2026-09-16 (state lowering batch 2). Home reads back only
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// what its own JSX renders; the rest never leaves this hook.
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const [sessionsCursor, setSessionsCursor] = useState<string | null>(null);
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const [sessionMenuId, setSessionMenuId] = useState<string | null>(null);
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const [pendingSessionDeletion, setPendingSessionDeletion] = useState<ChatSession | null>(null);
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const [sessionDetailLoadingId, setSessionDetailLoadingId] = useState<string | null>(null);
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const [sessionFullPrompt, setSessionFullPrompt] = useState<{ question: string; theme: Theme } | null>(null);
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sessionsRef.current = sessions;
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const loadMoreInFlight = useRef(false);
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const pendingCreateById = useRef(new Map<string, { continuedFromSessionId?: string }>());
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const cloudCreatedIds = useRef(new Set<string>());
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for (const session of sessions) {
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if (!isUnsavedEmptyConsultation(session)) cloudCreatedIds.current.add(session.id);
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}
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const visibleSessions = sortSessions(sessions.filter(isListedSidebarSession));
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function updateSession(sessionId: string, change: (session: ChatSession) => ChatSession) {
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setSessions((current) => current.map((session) => (session.id === sessionId ? change(session) : session)));
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}
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async function persistSession(
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session: ChatSession,
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mode: "create" | "update" = "update",
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options?: { continuedFromSessionId?: string },
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) {
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if (!account) throw new Error("账户尚未加载完成");
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if (process.env.NODE_ENV === "development" && uiPreview.current) return;
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if (mode === "create" && cloudCreatedIds.current.has(session.id)) return;
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const continuedFromSessionId = options?.continuedFromSessionId
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?? pendingCreateById.current.get(session.id)?.continuedFromSessionId;
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const values = mode === "create"
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? {
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title: session.title,
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theme: session.theme,
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model_id: session.modelId,
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messages: [] as const,
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session_type: session.sessionType,
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rectification_case_id: session.rectificationCaseId,
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chart_profile_id: session.chartProfileId,
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chart_profile_name: session.chartProfileName,
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chart_profile_role: session.chartProfileRole,
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...(continuedFromSessionId
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? { continued_from_session_id: continuedFromSessionId }
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: {}),
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}
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: {
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title: session.title,
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theme: session.theme,
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model_id: session.modelId,
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chart_profile_id: session.chartProfileId,
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chart_profile_name: session.chartProfileName,
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chart_profile_role: session.chartProfileRole,
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};
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await writeChatSession(session.id, values, mode);
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if (mode === "create") {
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pendingCreateById.current.delete(session.id);
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cloudCreatedIds.current.add(session.id);
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if (!uiPreview.current) writeSessionUrl(session.id, "push");
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}
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}
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async function ensureSessionMessages(sessionId: string) {
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if (!sessionId || uiPreview.current) return;
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if (pendingSessionId === sessionId) return;
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if (sessionDetailInFlight.current.has(sessionId)) return;
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const known = sessionsRef.current.find((session) => session.id === sessionId);
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if (known?.messagesHydrated || known?.sessionType === "birth_time_rectification") return;
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sessionDetailInFlight.current.add(sessionId);
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setSessionDetailLoadingId(sessionId);
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try {
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const detailed = await fetchSessionDetail(sessionId, modelCatalog);
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if (!detailed) return;
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setSessions((existing) => {
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const live = existing.find((session) => session.id === sessionId);
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if (live?.messagesHydrated) return existing;
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return mergeHydratedSession(existing, detailed);
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});
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} catch (caught) {
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if (caught instanceof LoginRedirectError) return;
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setComposerNotice(caught instanceof Error ? caught.message : "暂时无法读取聊天记录");
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} finally {
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sessionDetailInFlight.current.delete(sessionId);
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setSessionDetailLoadingId((currentId) => currentId === sessionId ? null : currentId);
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}
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}
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async function continueInNewChat(prompt: { question: string; theme: Theme }) {
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setSessionFullPrompt(null);
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const sourceSessionId = activeSessionId;
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const created = await startNewChat(
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sourceSessionId ? { continuedFromSessionId: sourceSessionId } : undefined,
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);
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if (!created) return;
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setDraft(prompt.question);
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setDraftTheme(prompt.theme);
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}
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async function renameSession(session: ChatSession) {
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const title = window.prompt("重命名聊天记录", session.title)?.trim();
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if (!title || title === session.title) return;
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const nextSession = { ...session, title };
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updateSession(session.id, () => nextSession);
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try {
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await persistSession(nextSession);
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} catch (caught) {
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setComposerNotice(caught instanceof Error ? caught.message : "重命名同步失败");
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}
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}
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async function deleteSession(session: ChatSession) {
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if (!account) return;
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const previousSessions = sessions;
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const nextSessions = sessions.filter((item) => item.id !== session.id);
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setSessions(nextSessions);
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setBirthTimeConsultationConsent((current) => clearBirthTimeConsultationConsent(current, session.id));
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if (activeSessionId === session.id) {
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activateFallbackSession(nextSessions);
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}
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try {
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const response = await fetch(`/api/sessions/${encodeURIComponent(session.id)}`, { method: "DELETE" });
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const payload = await response.json().catch(() => null) as { error?: string } | null;
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if (!response.ok) throw new Error(payload?.error || "删除聊天记录失败");
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} catch (caught) {
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setSessions(previousSessions);
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setComposerNotice(caught instanceof Error ? `删除失败：${caught.message}` : "删除失败");
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}
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}
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function togglePinnedSession(sessionId: string) {
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const session = sessions.find((item) => item.id === sessionId);
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if (!session) return;
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const nextPinned = !session.pinned;
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updateSession(sessionId, (current) => ({ ...current, pinned: nextPinned }));
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void writeChatSession(sessionId, { pinned: nextPinned }, "update").catch((caught) => {
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updateSession(sessionId, (current) => ({ ...current, pinned: session.pinned }));
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setComposerNotice(caught instanceof Error ? caught.message : "置顶同步失败");
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});
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}
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async function shareSession(session: ChatSession) {
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const sharePayload = {
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share_payload_version: 1,
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exported_at: new Date().toISOString(),
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title: session.title,
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theme: session.theme,
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message_count: session.messages.length,
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messages: session.messages.map((message) => ({ role: message.role, text: message.text })),
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};
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const reportMarkdown = consultationReportMarkdown({ title: session.title, messages: session.messages });
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const transcript = [
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`Jyotisha 对话：${session.title}`,
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"",
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...session.messages.map((message) => `${message.role === "user" ? "我" : "Jyotisha"}：${message.text}`),
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"",
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"---- Markdown 报告 ----",
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reportMarkdown,
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"",
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"---- JSON 分享包 ----",
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JSON.stringify(sharePayload, null, 2),
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].join("\n");
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try {
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await navigator.clipboard.writeText(transcript);
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setComposerNotice("已复制当前聊天，可粘贴转发。");
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} catch {
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setComposerNotice("无法访问剪贴板，请手动复制聊天内容。");
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}
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}
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async function startNewChat(options?: { continuedFromSessionId?: string }): Promise<ChatSession | null> {
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if (!account || !modelCatalog || creatingSession) return null;
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const nextSession = {
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...createSession(modelCatalog.defaultModelId),
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...chartSnapshotForSession(NEW_CHAT_SUBJECT_ID, chartLibrary, profile),
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};
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for (const session of sessions) {
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if (isUnsavedEmptyConsultation(session)) pendingCreateById.current.delete(session.id);
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}
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pendingCreateById.current.set(nextSession.id, {
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continuedFromSessionId: options?.continuedFromSessionId,
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});
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setSessions((current) => replaceUnsavedEmptyConsultations(current, nextSession));
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setActiveSessionId(nextSession.id);
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setDraft("");
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setDraftTheme(null);
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setDraftEntrypoint(null);
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setComposerNotice("");
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setRequestError(null);
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return nextSession;
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}
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function selectSession(sessionId: string) {
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const nextSession = sessions.find((session) => session.id === sessionId);
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// A rectification session that is not the open one is not switched to
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// here: the surface hook opens the Case, hydrates turns and snapshot, and
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// only then makes it active and writes the URL, so the current view stays
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// put instead of flashing a plain transcript and then an empty panel.
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// It reads the selection source before we reset it below.
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const deferredRectificationSwitch = nextSession?.sessionType === "birth_time_rectification"
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&& nextSession.id !== rectificationSessionId;
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if (!deferredRectificationSwitch) setActiveSessionId(sessionId);
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setDraft("");
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setDraftEntrypoint(null);
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setComposerNotice("");
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setRectificationError("");
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setRectificationErrorSessionId(null);
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// Opening a stored session keeps that session's binding. It does not
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// follow or rewrite the account-level active chart.
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if (nextSession?.sessionType === "birth_time_rectification") {
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setRectificationError("");
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if (deferredRectificationSwitch) {
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// The exact sessionId is passed to the server; the server resolves
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// the exact Case and never switches to another rectification record.
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void openRectificationSession(nextSession.id);
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}
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} else {
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void ensureSessionMessages(sessionId);
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}
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if (!deferredRectificationSwitch && !uiPreview.current && sessionSelectionSource.current === "user") {
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writeSessionUrl(sessionId, "push");
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}
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sessionSelectionSource.current = "user";
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}
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function activateFallbackSession(candidates: ChatSession[]) {
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const fallbackId = fallbackSessionId(candidates);
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if (!fallbackId) {
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setActiveSessionId("");
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if (!uiPreview.current) writeSessionUrl(null, "replace");
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return;
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}
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const fallback = candidates.find((session) => session.id === fallbackId);
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if (fallback?.sessionType === "birth_time_rectification") {
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selectSession(fallbackId);
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return;
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}
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setActiveSessionId(fallbackId);
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if (!uiPreview.current) writeSessionUrl(fallbackId, "replace");
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}
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async function loadMoreSessions() {
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if (!beginSessionPageLoad(loadMoreInFlight, sessionsCursor)) return;
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try {
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const page = await fetchSessions(undefined, {
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before: sessionsCursor,
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});
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const incoming = readSessions(page.sessions, modelCatalog).sessions;
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for (const session of incoming) cloudCreatedIds.current.add(session.id);
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setSessions((current) => mergeSessionPage(current, incoming));
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setSessionsCursor(page.nextCursor);
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} catch (caught) {
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if (caught instanceof LoginRedirectError) return;
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setComposerNotice(caught instanceof Error ? caught.message : "暂时无法读取聊天记录");
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} finally {
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loadMoreInFlight.current = false;
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}
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}
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applySessionPopStateRef.current = (search: string) => {
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if (uiPreview.current) return;
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const listed = sessionsRef.current;
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const query = parseSessionUrlQuery(search);
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const fallbackId = fallbackSessionId(listed);
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const requestedId = query.sessionId;
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if (query.present && !requestedId) {
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writeSessionUrl(null, "replace");
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sessionSelectionSource.current = "history";
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if (fallbackId) selectSession(fallbackId);
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else setActiveSessionId("");
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setComposerNotice(SESSION_MISSING_NOTICE);
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return;
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}
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if (query.present && requestedId && !listed.some((session) => session.id === requestedId)) {
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void lookupSessionById(requestedId, modelCatalog).then((looked) => {
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if (looked.status === "found") {
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cloudCreatedIds.current.add(looked.session.id);
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setSessions((current) => mergeHydratedSession(current, looked.session));
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sessionSelectionSource.current = "history";
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selectSession(looked.session.id);
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return;
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}
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if (looked.status === "missing") {
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writeSessionUrl(null, "replace");
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sessionSelectionSource.current = "history";
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if (fallbackId) selectSession(fallbackId);
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else setActiveSessionId("");
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setComposerNotice(SESSION_MISSING_NOTICE);
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return;
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}
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setComposerNotice(SESSION_LOOKUP_FAILED_NOTICE);
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}).catch((caught) => {
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if (caught instanceof LoginRedirectError) return;
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setComposerNotice(SESSION_LOOKUP_FAILED_NOTICE);
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});
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return;
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}
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if (!requestedId) {
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if (fallbackId) {
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sessionSelectionSource.current = "history";
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selectSession(fallbackId);
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} else {
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setActiveSessionId("");
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}
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return;
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}
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sessionSelectionSource.current = "history";
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selectSession(requestedId);
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};
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async function selectSessionModel(modelId: string) {
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const userId = account?.user.id;
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if (!activeSession || !modelCatalog || !userId || pendingSessionId || cancellationPending || creatingSession) return;
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const selectedModel = modelCatalog.models.find((model) => model.id === modelId);
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const retryingFailedSync = activeSession.modelId === modelId && modelSyncFailures.current.has(activeSession.id);
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if (!selectedModel || (activeSession.modelId === modelId && !retryingFailedSync)) return;
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const nextSession: ChatSession = retryingFailedSync
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? activeSession
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: { ...activeSession, modelId };
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const selectionVersion = (modelSelectionVersions.current.get(nextSession.id) ?? 0) + 1;
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modelSelectionVersions.current.set(nextSession.id, selectionVersion);
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if (!retryingFailedSync) updateSession(activeSession.id, () => nextSession);
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setRequestError(null);
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setComposerNotice("");
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try {
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await modelPersistence.current.enqueue(nextSession.id, () => persistSessionModelSelection(
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async ({ values, sessionId }) => {
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if (process.env.NODE_ENV === "development" && uiPreview.current) {
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return { found: true, error: null };
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}
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try {
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await patchSessionModel(sessionId, values.model_id);
|
||
return { found: true, error: null };
|
||
} catch (error) {
|
||
return {
|
||
found: false,
|
||
error: error instanceof Error ? error.message : "模型选择暂时无法同步到云端。",
|
||
};
|
||
}
|
||
},
|
||
userId,
|
||
nextSession.id,
|
||
modelId,
|
||
));
|
||
if (modelSelectionVersions.current.get(nextSession.id) !== selectionVersion) return;
|
||
modelSelectionVersions.current.delete(nextSession.id);
|
||
modelSyncFailures.current.delete(nextSession.id);
|
||
} catch (caught) {
|
||
if (modelSelectionVersions.current.get(nextSession.id) !== selectionVersion) return;
|
||
modelSelectionVersions.current.delete(nextSession.id);
|
||
modelSyncFailures.current.add(nextSession.id);
|
||
if (activeSessionIdRef.current === nextSession.id) {
|
||
setComposerNotice(`已在当前页面选择 ${selectedModel.label}，但云端同步失败；再次选择当前模型即可重试。`);
|
||
}
|
||
setRequestError({
|
||
sessionId: nextSession.id,
|
||
message: caught instanceof Error ? caught.message : "模型选择暂时无法同步到云端。",
|
||
});
|
||
}
|
||
}
|
||
|
||
function selectableChartRecord(chartProfileId: string) {
|
||
const record = chartProfileId === "self"
|
||
? chartLibrary.find((item) => item.id === "self" || item.role === "self")
|
||
: chartLibrary.find((item) => item.id === chartProfileId && item.role === "other");
|
||
if (!record || !isConsultationSubjectProfileComplete(record.profile)) return null;
|
||
return record;
|
||
}
|
||
|
||
async function bindEmptyChatSubject(chartProfileId: string): Promise<boolean> {
|
||
const session = sessionsRef.current.find((item) => item.id === activeSession?.id) ?? activeSession;
|
||
if (!session || chatSessionSubjectLocked(session)) return false;
|
||
const record = selectableChartRecord(chartProfileId);
|
||
if (!record) return false;
|
||
const requestedId = record.role === "self" ? "self" : record.id;
|
||
if (session.chartProfileId === requestedId && session.chartProfileRole === record.role) return true;
|
||
if (cloudCreatedIds.current.has(session.id)) {
|
||
const previousRole = session.chartProfileRole === "self" || session.chartProfileRole === "other"
|
||
? session.chartProfileRole
|
||
: null;
|
||
try {
|
||
await writeChatSession(session.id, emptySessionBindingWrite(requestedId, record.role), "update");
|
||
const detailed = await fetchSessionDetail(session.id, modelCatalog);
|
||
if (detailed?.chartProfileId !== requestedId || detailed.chartProfileRole !== record.role) {
|
||
throw new Error("人物没有绑上");
|
||
}
|
||
updateSession(session.id, (current) => {
|
||
if (chatSessionSubjectLocked(current)) return current;
|
||
return {
|
||
...current,
|
||
chartProfileId: detailed.chartProfileId,
|
||
chartProfileName: detailed.chartProfileName,
|
||
chartProfileRole: detailed.chartProfileRole,
|
||
};
|
||
});
|
||
return true;
|
||
} catch (caught) {
|
||
if (previousRole) {
|
||
try {
|
||
await writeChatSession(
|
||
session.id,
|
||
emptySessionBindingWrite(session.chartProfileId ?? "self", previousRole),
|
||
"update",
|
||
);
|
||
} catch {
|
||
setComposerNotice("人物没有绑上");
|
||
return false;
|
||
}
|
||
}
|
||
setComposerNotice(caught instanceof Error && caught.message !== "人物没有绑上"
|
||
? caught.message
|
||
: "人物没有绑上");
|
||
return false;
|
||
}
|
||
}
|
||
const snapshot = chartSnapshotForSession(requestedId, chartLibrary, profile);
|
||
updateSession(session.id, (current) => {
|
||
if (chatSessionSubjectLocked(current)) return current;
|
||
return { ...current, ...snapshot };
|
||
});
|
||
return true;
|
||
}
|
||
|
||
async function openChatBoundToProfile(chartProfileId: string): Promise<boolean> {
|
||
if (!account || !modelCatalog || creatingSession) return false;
|
||
if (pendingSessionId || cancellationPending) return false;
|
||
const record = selectableChartRecord(chartProfileId);
|
||
if (!record) return false;
|
||
const requestedId = record.role === "self" ? "self" : record.id;
|
||
const nextSession = {
|
||
...createSession(modelCatalog.defaultModelId),
|
||
...chartSnapshotForSession(requestedId, chartLibrary, profile),
|
||
};
|
||
for (const existing of sessions) {
|
||
if (isUnsavedEmptyConsultation(existing)) pendingCreateById.current.delete(existing.id);
|
||
}
|
||
pendingCreateById.current.set(nextSession.id, {});
|
||
setSessions((current) => replaceUnsavedEmptyConsultations(current, nextSession));
|
||
setActiveSessionId(nextSession.id);
|
||
setDraft("");
|
||
setDraftTheme(null);
|
||
setDraftEntrypoint(null);
|
||
setComposerNotice("");
|
||
setRequestError(null);
|
||
return true;
|
||
}
|
||
|
||
return {
|
||
visibleSessions,
|
||
sessionsCursor,
|
||
setSessionsCursor,
|
||
sessionMenuId,
|
||
setSessionMenuId,
|
||
pendingSessionDeletion,
|
||
setPendingSessionDeletion,
|
||
setSessionFullPrompt,
|
||
updateSession,
|
||
persistSession,
|
||
ensureSessionMessages,
|
||
continueInNewChat,
|
||
renameSession,
|
||
deleteSession,
|
||
togglePinnedSession,
|
||
shareSession,
|
||
startNewChat,
|
||
bindEmptyChatSubject,
|
||
openChatBoundToProfile,
|
||
selectSession,
|
||
selectSessionModel,
|
||
loadMoreSessions,
|
||
};
|
||
}
|