import type {  EnvironmentProject,  EnvironmentThreadShell,} from "@t3tools/client-runtime/state/shell";import {  threadSearchMatchKey,  type EnvironmentThreadSearchMatch,} from "@t3tools/client-runtime/state/thread-search";import { LegendList } from "@legendapp/list/react-native";import type { MenuAction } from "@react-native-menu/menu";import { useAtomValue } from "@effect/atom-react";import { type EnvironmentId, resolveEnvironmentMachineKind } from "@t3tools/contracts";import { sortPinnedThreadsByOrderKey } from "@t3tools/client-runtime/state/thread-sort";import { useCallback, useEffect, useMemo, useRef, useState } from "react";import type { LayoutChangeEvent } from "react-native";import { Platform, Pressable, StyleSheet, TextInput, View } from "react-native";import { Gesture, GestureDetector } from "react-native-gesture-handler";import type { SwipeableMethods } from "react-native-gesture-handler/ReanimatedSwipeable";import { useSafeAreaInsets } from "react-native-safe-area-context";import type { SearchBarCommands } from "react-native-screens"; import { AppText as Text } from "../../components/AppText";import { CompactBrandTitle } from "../../components/CompactBrandTitle";import { ControlPillMenu } from "../../components/ControlPill";import { SymbolView } from "../../components/AppSymbol";import { NATIVE_LIQUID_GLASS_SUPPORTED } from "../../native/native-glass";import { NativeStackScreenOptions } from "../../native/StackHeader";import { scopedProjectKey, scopedThreadKey } from "../../lib/scopedEntities";import { useProjects, useThreadShells } from "../../state/entities";import { useThreadSearch } from "../../state/queries";import { useThreadListV2Enabled } from "./use-thread-list-v2-enabled";import { useThreadListV2ShelfPreferences } from "./use-thread-list-v2-shelf-preferences";import { environmentServerConfigsAtom } from "../../state/server";import { usePendingNewTasks } from "../../state/use-pending-new-tasks";import { useWorkspaceState } from "../../state/workspace";import { useSavedRemoteConnections } from "../../state/use-remote-environment-registry";import { useHardwareKeyboardCommand } from "../keyboard/hardwareKeyboardCommands";import {  hasCustomHomeListOptions,  PROJECT_SORT_OPTIONS,  THREAD_SORT_OPTIONS,  useHomeListOptions,} from "../home/home-list-options";import { buildHomeListFilterMenu } from "../home/home-list-filter-menu";import {  buildHomeListLayout,  DEFAULT_GROUP_DISPLAY_STATE,  EMPTY_HOME_LIST_LAYOUT,  homeListItemsAreEqual,  nextGroupDisplayState,  type HomeGroupDisplayAction,  type HomeGroupDisplayState,  type HomeListItem,} from "../home/homeListItems";import { buildHomeProjectScopes, buildHomeThreadGroups } from "../home/homeThreadList";import { SwipeableScrollGateProvider, useSwipeableScrollGate } from "../home/thread-swipe-actions";import { usePendingTaskListActions } from "../home/usePendingTaskListActions";import { useThreadListActions } from "../home/useThreadListActions";import {  getConnectionAwareBrandHeaderOptions,  WorkspaceConnectionTitle,} from "../home/WorkspaceConnectionTitle";import { SidebarHeaderActions } from "./sidebar-header-actions";import { SidebarFilterButton } from "./sidebar-filter-button";import { createSidebarHeaderItems } from "./sidebar-native-header-items";import { SidebarNavigationShell } from "./sidebar-navigation-shell";import {  PendingTaskListRow,  ThreadListGroupHeader,  ThreadListRow,  ThreadListShowMoreRow,} from "./thread-list-items";import {  ThreadListV2PendingRow,  ThreadListV2Row,  ThreadListV2SettledShelfHeader,  ThreadListV2SnoozedShelfHeader,} from "./thread-list-v2-items";import {  buildThreadListV2Items,  buildThreadListV2ListItems,  THREAD_LIST_V2_SETTLED_INITIAL_COUNT,  THREAD_LIST_V2_SETTLED_PAGE_COUNT,  type ThreadListV2ListItem,} from "./threadListV2"; /** The sidebar list serves both lists: v1 grouped items or, when the Thread    List v2 beta is on, flat v2 rows with queued tasks spliced in, and a settled    "Show more" pager. */type SidebarListItem =  | HomeListItem  | ThreadListV2ListItem  | { readonly type: "v2-show-more"; readonly key: string; readonly hiddenCount: number }; const SIDEBAR_STICKY_HEADER_HEIGHT = 106; interface ThreadNavigationSidebarProps {  readonly width: number;  readonly visible: boolean;  readonly selectedThreadKey: string | null;  readonly onOpenSettings: () => void;  readonly onOpenEnvironmentSettings: () => void;  readonly onNewThreadInProject: (project: EnvironmentProject) => void;  readonly onSearchQueryChange: (query: string) => void;  readonly onSelectThread: (thread: EnvironmentThreadShell) => void;  readonly onRequestVisibility: () => void;  readonly searchQuery: string;} /** * iPad/large-width sidebar column. * * On iOS the pane is hosted inside its own navigation-inert single-screen * native stack (SidebarNavigationShell) so the header is a real * UINavigationBar: large title, native bar-button items, and a * UISearchController search field — the same chrome a UISplitViewController * column gets. Other platforms keep the custom header chrome. */export function ThreadNavigationSidebar(props: ThreadNavigationSidebarProps) {  if (Platform.OS !== "ios") {    return <ThreadNavigationSidebarPane {...props} nativeChrome={false} />;  }  return <NativeSidebarContainer {...props} />;} function NativeSidebarContainer(props: ThreadNavigationSidebarProps) {  return (    <View      testID="thread-navigation-sidebar"      className="flex-1 border-border bg-drawer"      style={{ borderRightWidth: StyleSheet.hairlineWidth, width: props.width }}    >      <SidebarNavigationShell>        <ThreadNavigationSidebarPane {...props} nativeChrome />      </SidebarNavigationShell>    </View>  );} function ThreadNavigationSidebarPane(  props: ThreadNavigationSidebarProps & { readonly nativeChrome: boolean },) {  const insets = useSafeAreaInsets();  const projects = useProjects();  const threads = useThreadShells();  const { environments: workspaceEnvironments, state: catalogState } = useWorkspaceState();  const { savedConnectionsById } = useSavedRemoteConnections();  const searchInputRef = useRef<TextInput>(null);  const searchBarRef = useRef<SearchBarCommands>(null);  const openSwipeableRef = useRef<SwipeableMethods | null>(null);  const sidebarScrollGesture = useMemo(() => Gesture.Native(), []);  const {    archiveThread,    confirmDeleteThread,    settleThread,    snoozeThread,    unsnoozeThread,    unsettleThread,    pinThread,    unpinThread,    movePinnedThread,    regenerateThreadTitle,  } = useThreadListActions();  const threadListV2Enabled = useThreadListV2Enabled();  const pendingTasks = usePendingNewTasks();  const { openPendingTask, confirmDeletePendingTask } = usePendingTaskListActions();  const environments = useMemo(    () =>      Object.values(savedConnectionsById)        .map((connection) => ({          environmentId: connection.environmentId,          label: connection.environmentLabel,        }))        .sort((left, right) => left.label.localeCompare(right.label)),    [savedConnectionsById],  );  const availableEnvironmentIds = useMemo(    () => new Set(environments.map((environment) => environment.environmentId)),    [environments],  );  const { options, setSelectedEnvironmentId, setProjectSortOrder, setThreadSortOrder } =    useHomeListOptions(availableEnvironmentIds);  const searchEnvironmentIds = useMemo(    () =>      options.selectedEnvironmentId === null        ? workspaceEnvironments            .filter((environment) => environment.connectionState === "connected")            .map((environment) => environment.environmentId)        : workspaceEnvironments.some(              (environment) =>                environment.environmentId === options.selectedEnvironmentId &&                environment.connectionState === "connected",            )          ? [options.selectedEnvironmentId]          : [],    [options.selectedEnvironmentId, workspaceEnvironments],  );  const threadSearch = useThreadSearch(searchEnvironmentIds, props.searchQuery);  const threadSearchMatchByKey = useMemo(() => {    const matches = new Map<string, EnvironmentThreadSearchMatch>();    for (const match of threadSearch.matches) {      if (match.source === "user" || match.source === "assistant") {        matches.set(threadSearchMatchKey(match), match);      }    }    return matches;  }, [threadSearch.matches]);  const matchedThreadKeys = useMemo(    () => new Set(threadSearch.matches.map(threadSearchMatchKey)),    [threadSearch.matches],  );  const [selectedProjectKey, setSelectedProjectKey] = useState<string | null>(null);  const projectScopes = useMemo(    () =>      buildHomeProjectScopes({        projects,        environmentId: options.selectedEnvironmentId,        projectGroupingMode: options.projectGroupingMode,      }),    [options.projectGroupingMode, options.selectedEnvironmentId, projects],  );  const projectFilterOptions = useMemo(    () =>      projectScopes.map((scope) => ({        key: scope.key,        label: scope.title,      })),    [projectScopes],  );  const projectTitleByProjectKey = useMemo(    () =>      new Map(        projectScopes.flatMap((scope) =>          scope.projectRefs.map(            (projectRef) =>              [                scopedProjectKey(projectRef.environmentId, projectRef.projectId),                scope.title,              ] as const,          ),        ),      ),    [projectScopes],  );  const selectedProjectScope = useMemo(    () =>      selectedProjectKey === null        ? null        : (projectScopes.find((scope) => scope.key === selectedProjectKey) ?? null),    [projectScopes, selectedProjectKey],  );  useEffect(() => {    if (      selectedProjectKey !== null &&      !projectFilterOptions.some((project) => project.key === selectedProjectKey)    ) {      setSelectedProjectKey(null);    }  }, [projectFilterOptions, selectedProjectKey]);  const selectedProjectRefs = useMemo(    () =>      selectedProjectScope === null        ? null        : new Set(            selectedProjectScope.projectRefs.map((projectRef) =>              scopedProjectKey(projectRef.environmentId, projectRef.projectId),            ),          ),    [selectedProjectScope],  );  const scopedProjects = useMemo(    () =>      threadListV2Enabled        ? []        : selectedProjectRefs === null          ? projects          : projects.filter((project) =>              selectedProjectRefs.has(scopedProjectKey(project.environmentId, project.id)),            ),    [threadListV2Enabled, projects, selectedProjectRefs],  );  const scopedThreads = useMemo(    () =>      threadListV2Enabled        ? []        : selectedProjectRefs === null          ? threads          : threads.filter((thread) =>              selectedProjectRefs.has(scopedProjectKey(thread.environmentId, thread.projectId)),            ),    [threadListV2Enabled, selectedProjectRefs, threads],  );  const scopedPendingTasks = useMemo(    () =>      threadListV2Enabled        ? []        : selectedProjectRefs === null          ? pendingTasks          : pendingTasks.filter((pendingTask) =>              selectedProjectRefs.has(                scopedProjectKey(pendingTask.message.environmentId, pendingTask.creation.projectId),              ),            ),    [threadListV2Enabled, pendingTasks, selectedProjectRefs],  );  const groups = useMemo(    () =>      threadListV2Enabled        ? []        : buildHomeThreadGroups({            projects: scopedProjects,            threads: scopedThreads,            pendingTasks: scopedPendingTasks,            environmentId: options.selectedEnvironmentId,            searchQuery: props.searchQuery,            matchedThreadKeys,            projectSortOrder: options.projectSortOrder,            threadSortOrder: options.threadSortOrder,            projectGroupingMode: options.projectGroupingMode,          }),    [      threadListV2Enabled,      matchedThreadKeys,      options,      props.searchQuery,      scopedPendingTasks,      scopedProjects,      scopedThreads,    ],  );  const [groupDisplayStates, setGroupDisplayStates] = useState<    ReadonlyMap<string, HomeGroupDisplayState>  >(() => new Map());  const updateGroupDisplay = useCallback((key: string, action: HomeGroupDisplayAction) => {    setGroupDisplayStates((previous) => {      const next = new Map(previous);      next.set(        key,        nextGroupDisplayState(previous.get(key) ?? DEFAULT_GROUP_DISPLAY_STATE, action),      );      return next;    });  }, []);  const hasSearchQuery = props.searchQuery.trim().length > 0;  const listLayout = useMemo(    () =>      threadListV2Enabled        ? EMPTY_HOME_LIST_LAYOUT        : buildHomeListLayout({            groups,            displayStates: groupDisplayStates,            showAllThreads: hasSearchQuery,          }),    [threadListV2Enabled, groups, groupDisplayStates, hasSearchQuery],  );  const projectCwdByKey = useMemo(() => {    const map = new Map<string, string>();    for (const project of projects) {      map.set(scopedProjectKey(project.environmentId, project.id), project.workspaceRoot);    }    return map;  }, [projects]);  const projectByKey = useMemo(() => {    const map = new Map<string, EnvironmentProject>();    for (const project of projects) {      map.set(scopedProjectKey(project.environmentId, project.id), project);    }    return map;  }, [projects]);   // Thread List v2 (beta) support — same model as the compact Home list  // (HomeScreen.tsx): flat creation-order card block + settled recency tail.  // The settled tail renders in pages; expansion resets when the filter  // context changes so environment/search flips never inherit a deep page.  const [settledVisibleCount, setSettledVisibleCount] = useState(    THREAD_LIST_V2_SETTLED_INITIAL_COUNT,  );  const settledResetKey = `${options.selectedEnvironmentId ?? "all"}:${selectedProjectKey ?? "all"}:${props.searchQuery.trim()}`;  const lastSettledResetKeyRef = useRef(settledResetKey);  if (lastSettledResetKeyRef.current !== settledResetKey) {    lastSettledResetKeyRef.current = settledResetKey;    setSettledVisibleCount(THREAD_LIST_V2_SETTLED_INITIAL_COUNT);  }  const showMoreSettled = useCallback(    () => setSettledVisibleCount((count) => count + THREAD_LIST_V2_SETTLED_PAGE_COUNT),    [],  );  const {    loaded: shelfPreferencesLoaded,    settledShelfExpanded,    snoozedShelfExpanded,    toggleSettledShelf,    toggleSnoozedShelf,  } = useThreadListV2ShelfPreferences();  // The queued-start and snooze helpers need a clock while the pane stays open.  const [nowMinute, setNowMinute] = useState(() => new Date().toISOString().slice(0, 16));  // Snooze wake times are second-precise; a counter bumped exactly at the  // next wake boundary re-runs the partition with a fresh clock so a woken  // thread reappears immediately instead of on the next minute tick.  const [snoozeWakeTick, bumpSnoozeWakeTick] = useState(0);  useEffect(() => {    if (!threadListV2Enabled) return;    // Refresh immediately because the mount-time value can be hours old.    setNowMinute(new Date().toISOString().slice(0, 16));    const id = setInterval(() => setNowMinute(new Date().toISOString().slice(0, 16)), 60_000);    return () => clearInterval(id);  }, [threadListV2Enabled]);  // Threads on servers without the settlement capability never classify as  // settled (the user could neither un-settle nor pin them).  const serverConfigs = useAtomValue(environmentServerConfigsAtom);  const settlementEnvironmentIds = useMemo(() => {    const supported = new Set<EnvironmentId>();    for (const [environmentId, config] of serverConfigs) {      if (config.environment.capabilities.threadSettlement === true) {        supported.add(environmentId);      }    }    return supported;  }, [serverConfigs]);  const snoozeEnvironmentIds = useMemo(() => {    const supported = new Set<EnvironmentId>();    for (const [environmentId, config] of serverConfigs) {      if (config.environment.capabilities.threadSnooze === true) {        supported.add(environmentId);      }    }    return supported;  }, [serverConfigs]);  const pinningEnvironmentIds = useMemo(() => {    const supported = new Set<EnvironmentId>();    for (const [environmentId, config] of serverConfigs) {      if (config.environment.capabilities.threadPinning === true) {        supported.add(environmentId);      }    }    return supported;  }, [serverConfigs]);  const pinReorderEnvironmentIds = useMemo(() => {    const supported = new Set<EnvironmentId>();    for (const [environmentId, config] of serverConfigs) {      if (config.environment.capabilities.threadPinReorder === true) {        supported.add(environmentId);      }    }    return supported;  }, [serverConfigs]);  const titleRegenerationEnvironmentIds = useMemo(() => {    const supported = new Set<EnvironmentId>();    for (const [environmentId, config] of serverConfigs) {      if (config.environment.capabilities.threadTitleRegeneration === true) {        supported.add(environmentId);      }    }    return supported;  }, [serverConfigs]);  const machineByEnvironmentId = useMemo(    () =>      new Map(        [...serverConfigs].map(          ([environmentId, config]) =>            [environmentId, resolveEnvironmentMachineKind(config)] as const,        ),      ),    [serverConfigs],  );  // Canonical arranged pinned order for Move up/down flags — computed from  // all shells so search/scope filtering never disables a valid move.  const arrangedPinnedKeys = useMemo(() => {    const pinned = sortPinnedThreadsByOrderKey(      threads.filter(        (thread) =>          thread.pinnedAt != null &&          thread.archivedAt === null &&          pinReorderEnvironmentIds.has(thread.environmentId),      ),    );    return pinned.map((thread) => `${thread.environmentId}:${thread.id}`);  }, [pinReorderEnvironmentIds, threads]);  const threadListV2Layout = useMemo(() => {    if (!threadListV2Enabled)      return {        items: [],        hiddenSettledCount: 0,        snoozedCount: 0,        snoozedShelfHeaderIndex: null,        settledCount: 0,        settledShelfHeaderIndex: null,        nextSnoozeWakeAt: null,      };    return buildThreadListV2Items({      threads: threads.filter((thread) => thread.archivedAt === null),      environmentId: options.selectedEnvironmentId,      projectRefs: selectedProjectScope === null ? null : selectedProjectScope.projectRefs,      searchQuery: props.searchQuery,      matchedThreadKeys,      settlementEnvironmentIds,      snoozeEnvironmentIds,      settledLimit: settledVisibleCount,      now: new Date().toISOString(),      snoozedShelfExpanded,

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