[Init] Initial commit - NetMesh terminal manager

application/app/hosts/ChromeHost.tsx

@@ -0,0 +1,210 @@
+import { useCallback, useLayoutEffect, useMemo, useRef, useSyncExternalStore } from 'react';
+
+import { TERMINAL_THEMES } from '../../../infrastructure/config/terminalThemes';
+import { retainStableSessionsIgnoringPresentation } from '../../../domain/terminalPaneSessionsEqual';
+import { useI18n } from '../../i18n/I18nProvider';
+import { useCustomThemes } from '../../state/customThemeStore';
+import { useEditorTabChromeList } from '../../state/editorTabStore';
+import { toEditorTabId } from '../../state/activeTabStore';
+import {
+  getSessionSnapshotActions,
+  useSessionSnapshot,
+  useSessionSnapshotActions,
+} from '../../state/sessionSnapshotStore';
+import { useSettingsChromeStore } from '../../state/settingsChromeStore';
+import { useVaultSnapshot } from '../../state/vaultSnapshotStore';
+import {
+  getTerminalSettingsActions,
+  useTerminalSettingsStore,
+} from '../../state/terminalSettingsStore';
+import { usePluginViewTabs } from '../../state/pluginViewTabStore';
+import { getAppHandlers, subscribeAppHandlers } from '../appHandlersBridge';
+import {
+  publishAppShellChrome,
+  publishAppShellDomainSlice,
+} from '../appShellPropsStore';
+import {
+  getThemeRuntimeActions,
+  subscribeThemeRuntimeActions,
+} from '../themeRuntimeBridge';
+
+const IS_MAC_CLIENT =
+  typeof navigator !== 'undefined' && /Mac|Macintosh/.test(navigator.userAgent);
+
+/**
+ * Chrome island: TopTabs / active-tab chrome from settings chrome store,
+ * appearance chrome, and selective session/vault snapshot fields. Assembles
+ * chrome + shell chrome bags field-by-field — never spreads a prepared bag.
+ */
+export function ChromeHost() {
+  const { t } = useI18n();
+  const settingsChrome = useSettingsChromeStore();
+  const session = useSessionSnapshot();
+  const sessionActions = useSessionSnapshotActions();
+  const vault = useVaultSnapshot();
+  const terminalSettings = useTerminalSettingsStore();
+  const editorTabs = useEditorTabChromeList();
+  const pluginViewTabs = usePluginViewTabs();
+  void pluginViewTabs;
+  const customThemes = useCustomThemes();
+  const handlers = useSyncExternalStore(
+    subscribeAppHandlers,
+    getAppHandlers,
+    getAppHandlers,
+  );
+  const themeRuntime = useSyncExternalStore(
+    subscribeThemeRuntimeActions,
+    getThemeRuntimeActions,
+    getThemeRuntimeActions,
+  );
+
+  const orphanSessionsForShellRef = useRef(session.orphanSessions);
+  const orphanSessionsForShell = retainStableSessionsIgnoringPresentation(
+    orphanSessionsForShellRef.current,
+    session.orphanSessions as never,
+  );
+  orphanSessionsForShellRef.current = orphanSessionsForShell as typeof session.orphanSessions;
+
+  const themeById = useMemo(
+    () => new Map([...customThemes, ...TERMINAL_THEMES].map((theme) => [theme.id, theme])),
+    [customThemes],
+  );
+
+  const hostById = useMemo(
+    () => new Map(vault.hosts.map((host) => [host.id, host])),
+    [vault.hosts],
+  );
+
+  const sessionById = useMemo(
+    () => new Map(session.sessions.map((s) => [s.id, s])),
+    [session.sessions],
+  );
+
+  const workspaceById = useMemo(
+    () => new Map(session.workspaces.map((workspace) => [workspace.id, workspace])),
+    [session.workspaces],
+  );
+
+  const editorTabTopIds = useMemo(
+    () => editorTabs.map((tab) => toEditorTabId(tab.id)),
+    [editorTabs],
+  );
+  const pluginViewTabIds = useMemo(
+    () => pluginViewTabs.map((tab) => tab.id),
+    [pluginViewTabs],
+  );
+  const additionalWorkTabIds = useMemo(
+    () => [...editorTabTopIds, ...pluginViewTabIds],
+    [editorTabTopIds, pluginViewTabIds],
+  );
+
+  const orderedTabsWithEditors = useMemo(
+    () => sessionActions?.getOrderedWorkTabs(additionalWorkTabIds) ?? ['vault'],
+    [additionalWorkTabIds, sessionActions],
+  );
+
+  const reorderWorkTabs = useCallback((
+    draggedId: string,
+    targetId: string,
+    position: 'before' | 'after' = 'before',
+  ) => {
+    sessionActions?.reorderTabs(draggedId, targetId, position, additionalWorkTabIds);
+  }, [additionalWorkTabIds, sessionActions]);
+
+  const chromeDomain = useMemo(() => {
+    if (!handlers) return null;
+    return {
+      closeLogView: sessionActions?.closeLogView,
+      handleEndSessionDrag: handlers.handleEndSessionDrag,
+      handleOpenQuickSwitcher: handlers.handleOpenQuickSwitcher,
+      handleOpenSettings: handlers.handleOpenSettings,
+      handleRootContextMenu: handlers.handleRootContextMenu,
+      handleSyncNowManual: handlers.handleSyncNowManual,
+      isMacClient: IS_MAC_CLIENT,
+      logViews: session.logViews,
+      openLogView: sessionActions?.openLogView,
+      orderedTabsWithEditors,
+      orphanSessions: orphanSessionsForShell,
+      reorderWorkTabs,
+      resetSessionRename: sessionActions?.resetSessionRename,
+      resetWorkspaceRename: sessionActions?.resetWorkspaceRename,
+      sessionRenameTarget: session.sessionRenameTarget,
+      setActiveTabId: sessionActions?.setActiveTabId,
+      startSessionRename: sessionActions?.startSessionRename,
+      renameSessionInline: sessionActions?.renameSessionInline,
+      startWorkspaceRename: sessionActions?.startWorkspaceRename,
+      submitSessionRename: sessionActions?.submitSessionRename,
+      submitWorkspaceRename: sessionActions?.submitWorkspaceRename,
+      t,
+      themeById,
+      workspaceRenameTarget: session.workspaceRenameTarget,
+    };
+  }, [
+    handlers,
+    orderedTabsWithEditors,
+    orphanSessionsForShell,
+    reorderWorkTabs,
+    session.logViews,
+    session.sessionRenameTarget,
+    session.workspaceRenameTarget,
+    sessionActions,
+    t,
+    themeById,
+  ]);
+
+  // Call-time getters so chrome can publish before Publisher layout effects
+  // register action slots — avoids undefined applyAppTheme/setActiveTabId on
+  // the first Host publish (startup TypeError under StrictMode).
+  const setActiveTabId = useCallback((id: string) => {
+    getSessionSnapshotActions()?.setActiveTabId?.(id);
+  }, []);
+  const applyAppTheme = useCallback(() => {
+    getTerminalSettingsActions()?.applyAppTheme?.();
+  }, []);
+
+  const appShellChrome = useMemo(() => {
+    if (!handlers) return null;
+    // Theme runtime actions may still be null on the first paint before
+    // TerminalHost registers them; wait so AppActiveTabChrome never mounts
+    // with a missing resolveSessionAppearance / currentTerminalTheme.
+    if (!themeRuntime?.currentTerminalTheme || !themeRuntime?.resolveFocusedAppearance) {
+      return null;
+    }
+    return {
+      showSftpTab: settingsChrome.showSftpTab,
+      setActiveTabId,
+      applyAppTheme,
+      hostById,
+      sessionById,
+      themeById,
+      workspaceById,
+      currentTerminalTheme: themeRuntime.currentTerminalTheme,
+      followAppTerminalTheme: terminalSettings.followAppTerminalTheme,
+      editorTabs,
+      logViews: session.logViews,
+      resolveSessionAppearance: themeRuntime.resolveFocusedAppearance,
+      t,
+    };
+  }, [
+    applyAppTheme,
+    editorTabs,
+    handlers,
+    hostById,
+    session.logViews,
+    sessionById,
+    setActiveTabId,
+    settingsChrome.showSftpTab,
+    t,
+    terminalSettings.followAppTerminalTheme,
+    themeById,
+    themeRuntime,
+    workspaceById,
+  ]);
+
+  useLayoutEffect(() => {
+    if (chromeDomain) publishAppShellDomainSlice('chrome', chromeDomain);
+    if (appShellChrome) publishAppShellChrome(appShellChrome as never);
+  }, [appShellChrome, chromeDomain]);
+
+  return null;
+}