new eslint

apps/mobile/eslint.config.js

@@ -1,27 +1,115 @@
 // https://docs.expo.dev/guides/using-eslint/
 import { createRequire } from 'node:module';
 import { config as epicConfig } from '@epic-web/config/eslint';
+import eslint from '@eslint/js';
+import comments from '@eslint-community/eslint-plugin-eslint-comments/configs';
+import react from '@eslint-react/eslint-plugin';
+import pluginQuery from '@tanstack/eslint-plugin-query';
+import * as tsParser from '@typescript-eslint/parser';
 import { defineConfig } from 'eslint/config';
+import eslintReact from 'eslint-plugin-react';
+import pluginReactCompiler from 'eslint-plugin-react-compiler';
+import hooksPlugin from 'eslint-plugin-react-hooks';
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
 
 const require = createRequire(import.meta.url);
 
 const expoConfig = require('eslint-config-expo/flat');
 
-// // Both epic and expo define a 'import' plugin (though not the same package)
-// // We need to pick one or they will conflict.
-const stripImportPlugin = (config) => {
-	if (!config?.plugins?.['import']) return config;
-	const { import: _removed, ...rest } = config.plugins;
-	return {
-		...config,
-		plugins: rest,
-	};
+// Several presets define the same plugin keys which causes conflicts in ESLint flat config
+// (e.g. 'import' from different packages, and '@typescript-eslint').
+// Remove conflicting plugins from upstream presets so we can control which wins.
+const stripPlugins = (config, names) => {
+	if (!config?.plugins) return config;
+	const plugins = { ...config.plugins };
+	let changed = false;
+	for (const name of names) {
+		if (plugins[name]) {
+			delete plugins[name];
+			changed = true;
+		}
+	}
+	return changed ? { ...config, plugins } : config;
 };
 
 export default defineConfig([
-	...expoConfig,
-	...epicConfig.map(stripImportPlugin),
+	// Expo (strip conflicting plugins defined elsewhere)
+	...expoConfig.map((c) => stripPlugins(c, ['@typescript-eslint'])),
+	// Epic (strip conflicting plugins defined elsewhere)
+	...epicConfig.map((c) => stripPlugins(c, ['import', '@typescript-eslint'])),
+
+	// ts-eslint
+	eslint.configs.recommended,
+	...tseslint.configs.strictTypeChecked,
+	...tseslint.configs.stylisticTypeChecked,
 	{
-		ignores: ['dist'],
+		languageOptions: {
+			parserOptions: {
+				projectService: true,
+				tsconfigRootDir: import.meta.dirname,
+			},
+		},
+	},
+
+	// tanstack query
+	...pluginQuery.configs['flat/recommended'],
+
+	// @eslint-react/eslint-plugin (smaller version of eslint-plugin-react)
+	{
+		files: ['**/*.{ts,tsx}'],
+		...react.configs['recommended-type-checked'],
+		languageOptions: {
+			parser: tsParser,
+		},
+	},
+
+	// Lint eslint disable comments
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access -- no types
+	comments.recommended,
+
+	// eslint-plugin-react
+	// Terrible flat config support
+	{
+		...eslintReact.configs.flat.recommended,
+		files: ['**/*.{ts,tsx}'],
+		settings: { react: { version: 'detect' } },
+		languageOptions: {
+			...eslintReact.configs.flat.recommended?.languageOptions,
+			globals: {
+				...globals.serviceworker,
+				...globals.browser,
+			},
+		},
+		plugins: {
+			...eslintReact.configs.flat.recommended?.plugins,
+			'react-hooks': hooksPlugin,
+			'react-compiler': pluginReactCompiler,
+		},
+		rules: {
+			...hooksPlugin.configs.recommended.rules,
+			'react/display-name': 'off',
+			'react/prop-types': 'off',
+			'react/jsx-uses-react': 'off',
+			'react/react-in-jsx-scope': 'off',
+			'react-compiler/react-compiler': 'error',
+		},
+	},
+
+	// Custom
+	{
+		ignores: [
+			'dist',
+			'**/*.d.ts',
+			'**/.expo/**',
+			'prettier.config.mjs',
+			'eslint.config.js',
+		],
+	},
+	{
+		rules: {
+			'@typescript-eslint/no-explicit-any': 'error',
+			'@typescript-eslint/restrict-template-expressions': 'off',
+		},
 	},
 ]);

apps/mobile/package.json

@@ -55,7 +55,6 @@
     "expo-status-bar": "~3.0.8",
     "expo-symbols": "~1.0.7",
     "expo-system-ui": "~6.0.7",
-    "p-queue": "^8.1.1",
     "react": "19.1.0",
     "react-dom": "19.1.0",
     "react-native": "0.81.4",
@@ -76,6 +75,18 @@
     "@types/react": "~19.1.12",
     "cmd-ts": "^0.14.1",
     "eslint": "^9.35.0",
+    "@eslint/js": "^9.35.0",
+    "@eslint-community/eslint-plugin-eslint-comments": "^4.5.0",
+    "@eslint-react/eslint-plugin": "^1.53.0",
+    "@tanstack/eslint-plugin-query": "^5.86.0",
+    "@typescript-eslint/parser": "^8.44.0",
+    "@typescript-eslint/utils": "^8.43.0",
+    "eslint-plugin-react": "^7.37.5",
+    "eslint-plugin-react-compiler": "19.1.0-rc.2",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "globals": "^16.4.0",
+    "eslint-plugin-react-refresh": "^0.4.20",
+    "typescript-eslint": "^8.44.0",
     "eslint-config-expo": "~10.0.0",
     "jiti": "^2.5.1",
     "npm-run-all": "^4.1.5",

apps/mobile/scripts/script-lib.ts

@@ -19,11 +19,11 @@ export const cmd = (
 			let stdout = '';
 			let stderr = '';
 
-			proc.stdout?.on('data', (data) => {
-				stdout += data;
+			proc.stdout?.on('data', (data: unknown) => {
+				stdout += String(data);
 			});
-			proc.stderr?.on('data', (data) => {
-				stderr += data;
+			proc.stderr?.on('data', (data: unknown) => {
+				stderr += String(data);
 			});
 
 			process.once('SIGTERM', () => {

apps/mobile/scripts/signed-build.ts

@@ -19,7 +19,6 @@ async function getSecrets(): Promise<{
 			stdio: 'pipe',
 		},
 	);
-	const rawBwItem = JSON.parse(rawBwItemString);
 	const bwItemSchema = z.looseObject({
 		login: z.looseObject({
 			username: z.string(),
@@ -32,7 +31,7 @@ async function getSecrets(): Promise<{
 			}),
 		),
 	});
-	const bwItem = bwItemSchema.parse(rawBwItem, {
+	const bwItem = bwItemSchema.parse(JSON.parse(rawBwItemString) as unknown, {
 		reportInput: true,
 	});
 	const keystoreBase64 = bwItem.fields.find(
@@ -138,7 +137,7 @@ const signedBuildCommand = command({
 					.replace(
 						/signingConfigs \{([\s\S]*?)\}/, // Modify existing signingConfigs without removing debug
 						(match) => {
-							if (/release \{/.test(match)) {
+							if (match.includes('release {')) {
 								return match.replace(
 									/release \{([\s\S]*?)\}/,
 									releaseSigningConfig,

apps/mobile/src/app/(modals)/key-manager.tsx

@@ -15,7 +15,11 @@ export default function KeyManagerModalRoute() {
 				options={{
 					title: selectMode ? 'Select Key' : 'Manage Keys',
 					headerRight: () => (
-						<Pressable onPress={() => router.back()}>
+						<Pressable
+							onPress={() => {
+								router.back();
+							}}
+						>
 							<Text style={{ color: '#E5E7EB', fontWeight: '700' }}>Close</Text>
 						</Pressable>
 					),
@@ -23,7 +27,9 @@ export default function KeyManagerModalRoute() {
 			/>
 			<KeyList
 				mode={selectMode ? 'select' : 'manage'}
-				onSelect={async () => router.back()}
+				onSelect={() => {
+					router.back();
+				}}
 			/>
 		</SafeAreaView>
 	);

apps/mobile/src/app/(tabs)/index.tsx

@@ -237,7 +237,7 @@ function KeyIdPickerField() {
 	const listPrivateKeysQuery = useQuery(secretsManager.keys.query.list);
 	const defaultPick = React.useMemo(() => {
 		const keys = listPrivateKeysQuery.data ?? [];
-		const def = keys.find((k) => k.metadata?.isDefault);
+		const def = keys.find((k) => k.metadata.isDefault);
 		return def ?? keys[0];
 	}, [listPrivateKeysQuery.data]);
 	const keys = listPrivateKeysQuery.data ?? [];
@@ -252,9 +252,9 @@ function KeyIdPickerField() {
 		}
 	}, [fieldValue, defaultPickId, fieldHandleChange]);
 
-	const computedSelectedId = field.state.value ?? defaultPick?.id;
+	const computedSelectedId = field.state.value;
 	const selected = keys.find((k) => k.id === computedSelectedId);
-	const display = selected ? (selected.metadata?.label ?? selected.id) : 'None';
+	const display = selected ? (selected.metadata.label ?? selected.id) : 'None';
 
 	return (
 		<>
@@ -298,7 +298,9 @@ function KeyIdPickerField() {
 				visible={open}
 				transparent
 				animationType="slide"
-				onRequestClose={() => setOpen(false)}
+				onRequestClose={() => {
+					setOpen(false);
+				}}
 			>
 				<View
 					style={{
@@ -343,7 +345,9 @@ function KeyIdPickerField() {
 									borderWidth: 1,
 									borderColor: theme.colors.border,
 								}}
-								onPress={() => setOpen(false)}
+								onPress={() => {
+									setOpen(false);
+								}}
 							>
 								<Text
 									style={{
@@ -357,7 +361,7 @@ function KeyIdPickerField() {
 						</View>
 						<KeyList
 							mode="select"
-							onSelect={async (id) => {
+							onSelect={(id) => {
 								field.handleChange(id);
 								setOpen(false);
 							}}
@@ -399,7 +403,7 @@ function PreviousConnectionsSection(props: {
 				</Text>
 			) : listConnectionsQuery.data?.length ? (
 				<View>
-					{listConnectionsQuery.data?.map((conn) => (
+					{listConnectionsQuery.data.map((conn) => (
 						<ConnectionRow
 							key={conn.id}
 							id={conn.id}

apps/mobile/src/app/(tabs)/settings/index.tsx

@@ -25,12 +25,16 @@ export default function Tab() {
 					<Row
 						label="Dark"
 						selected={themeName === 'dark'}
-						onPress={() => setThemeName('dark')}
+						onPress={() => {
+							setThemeName('dark');
+						}}
 					/>
 					<Row
 						label="Light"
 						selected={themeName === 'light'}
-						onPress={() => setThemeName('light')}
+						onPress={() => {
+							setThemeName('light');
+						}}
 					/>
 				</View>
 			</View>

apps/mobile/src/app/(tabs)/shell/detail.tsx

@@ -1,8 +1,5 @@
 import { Ionicons } from '@expo/vector-icons';
-import {
-	type ListenerEvent,
-	type TerminalChunk,
-} from '@fressh/react-native-uniffi-russh';
+import { type ListenerEvent } from '@fressh/react-native-uniffi-russh';
 import {
 	XtermJsWebView,
 	type XtermWebViewHandle,
@@ -16,11 +13,14 @@ import {
 	useFocusEffect,
 } from 'expo-router';
 import React, { startTransition, useEffect, useRef, useState } from 'react';
-import { Pressable, View, Text } from 'react-native';
+import { Dimensions, Platform, Pressable, Text, View } from 'react-native';
 
-import { SafeAreaView } from 'react-native-safe-area-context';
+import {
+	SafeAreaView,
+	useSafeAreaInsets,
+} from 'react-native-safe-area-context';
 import { disconnectSshConnectionAndInvalidateQuery } from '@/lib/query-fns';
-import { getSession } from '@/lib/ssh-registry';
+import { useSshStore, makeSessionKey } from '@/lib/ssh-store';
 import { useTheme } from '@/lib/theme';
 
 export default function TabsShellDetail() {
@@ -28,9 +28,13 @@ export default function TabsShellDetail() {
 
 	useFocusEffect(
 		React.useCallback(() => {
-			startTransition(() => setReady(true)); // React 19: non-urgent
+			startTransition(() => {
+				setReady(true);
+			}); // React 19: non-urgent
 
-			return () => setReady(false);
+			return () => {
+				setReady(false);
+			};
 		}, []),
 	);
 
@@ -60,10 +64,11 @@ function ShellDetail() {
 	const theme = useTheme();
 
 	const channelIdNum = Number(channelId);
-	const sess =
+	const sess = useSshStore((s) =>
 		connectionId && channelId
-			? getSession(String(connectionId), channelIdNum)
-			: undefined;
+			? s.getByKey(makeSessionKey(connectionId, channelIdNum))
+			: undefined,
+	);
 	const connection = sess?.connection;
 	const shell = sess?.shell;
 
@@ -74,14 +79,41 @@ function ShellDetail() {
 			if (shell && listenerIdRef.current != null)
 				shell.removeListener(listenerIdRef.current);
 			listenerIdRef.current = null;
-			xterm?.flush?.();
+			if (xterm) xterm.flush();
 		};
 	}, [shell]);
 
 	const queryClient = useQueryClient();
+	const insets = useSafeAreaInsets();
+	const estimatedTabBarHeight = Platform.select({
+		ios: 49,
+		android: 80,
+		default: 56,
+	});
+	const windowH = Dimensions.get('window').height;
+	const computeBottomExtra = (y: number, height: number) => {
+		const extra = windowH - (y + height);
+		return extra > 0 ? extra : 0;
+	};
+
+	// Measure any bottom overlap (e.g., native tab bar) and add padding to avoid it
+	const [bottomExtra, setBottomExtra] = useState(0);
 
 	return (
-		<SafeAreaView style={{ flex: 1, backgroundColor: theme.colors.background }}>
+		<SafeAreaView
+			onLayout={(e) => {
+				const { y, height } = e.nativeEvent.layout;
+				const extra = computeBottomExtra(y, height);
+				if (extra !== bottomExtra) setBottomExtra(extra);
+			}}
+			style={{
+				flex: 1,
+				backgroundColor: theme.colors.background,
+				padding: 12,
+				paddingBottom:
+					12 + insets.bottom + (bottomExtra || estimatedTabBarHeight),
+			}}
+		>
 			<Stack.Screen
 				options={{
 					headerBackVisible: true,
@@ -107,98 +139,101 @@ function ShellDetail() {
 					),
 				}}
 			/>
-			<View
-				style={[
-					{ flex: 1, backgroundColor: '#0B1324', padding: 12 },
-					{ backgroundColor: theme.colors.background },
-				]}
-			>
-				<XtermJsWebView
-					ref={xtermRef}
-					style={{ flex: 1 }}
-					// WebView behavior that suits terminals
-					keyboardDisplayRequiresUserAction={false}
-					setSupportMultipleWindows={false}
-					overScrollMode="never"
-					pullToRefreshEnabled={false}
-					bounces={false}
-					setBuiltInZoomControls={false}
-					setDisplayZoomControls={false}
-					textZoom={100}
-					allowsLinkPreview={false}
-					textInteractionEnabled={false}
-					// xterm-ish props (applied via setOptions inside the page)
-					fontFamily="Menlo, ui-monospace, monospace"
-					fontSize={18} // bump if it still feels small
-					cursorBlink
-					scrollback={10000}
-					themeBackground={theme.colors.background}
-					themeForeground={theme.colors.textPrimary}
-					onRenderProcessGone={() => {
-						console.log('WebView render process gone -> clear()');
-						xtermRef.current?.clear?.();
-					}}
-					onContentProcessDidTerminate={() => {
-						console.log('WKWebView content process terminated -> clear()');
-						xtermRef.current?.clear?.();
-					}}
-					onLoadEnd={() => {
-						console.log('WebView onLoadEnd');
-					}}
-					onMessage={(m) => {
-						console.log('received msg', m);
-						if (m.type === 'initialized') {
-							if (terminalReadyRef.current) return;
-							terminalReadyRef.current = true;
+			<XtermJsWebView
+				ref={xtermRef}
+				style={{ flex: 1 }}
+				// WebView behavior that suits terminals
+				keyboardDisplayRequiresUserAction={false}
+				setSupportMultipleWindows={false}
+				overScrollMode="never"
+				pullToRefreshEnabled={false}
+				bounces={false}
+				setBuiltInZoomControls={false}
+				setDisplayZoomControls={false}
+				textZoom={100}
+				allowsLinkPreview={false}
+				textInteractionEnabled={false}
+				// xterm-ish props (applied via setOptions inside the page)
+				fontFamily="Menlo, ui-monospace, monospace"
+				fontSize={18} // bump if it still feels small
+				cursorBlink
+				scrollback={10000}
+				themeBackground={theme.colors.background}
+				themeForeground={theme.colors.textPrimary}
+				onRenderProcessGone={() => {
+					console.log('WebView render process gone -> clear()');
+					const xr = xtermRef.current;
+					if (xr) xr.clear();
+				}}
+				onContentProcessDidTerminate={() => {
+					console.log('WKWebView content process terminated -> clear()');
+					const xr = xtermRef.current;
+					if (xr) xr.clear();
+				}}
+				onLoadEnd={() => {
+					console.log('WebView onLoadEnd');
+				}}
+				onMessage={(m) => {
+					console.log('received msg', m);
+					if (m.type === 'initialized') {
+						if (terminalReadyRef.current) return;
+						terminalReadyRef.current = true;
 
-							// Replay from head, then attach live listener
-							if (shell) {
-								void (async () => {
-									const res = await shell.readBuffer({ mode: 'head' });
-									console.log('readBuffer(head)', {
-										chunks: res.chunks.length,
-										nextSeq: res.nextSeq,
-										dropped: res.dropped,
-									});
-									if (res.chunks.length) {
-										const chunks = res.chunks.map((c) => c.bytes);
-										xtermRef.current?.writeMany?.(chunks);
-										xtermRef.current?.flush?.();
+						// Replay from head, then attach live listener
+						if (shell) {
+							void (async () => {
+								const res = await shell.readBuffer({ mode: 'head' });
+								console.log('readBuffer(head)', {
+									chunks: res.chunks.length,
+									nextSeq: res.nextSeq,
+									dropped: res.dropped,
+								});
+								if (res.chunks.length) {
+									const chunks = res.chunks.map((c) => c.bytes);
+									const xr = xtermRef.current;
+									if (xr) {
+										xr.writeMany(chunks);
+										xr.flush();
 									}
-									const id = shell.addListener(
-										(ev: ListenerEvent) => {
-											if ('kind' in ev && ev.kind === 'dropped') {
-												console.log('listener.dropped', ev);
-												return;
-											}
-											const chunk = ev as TerminalChunk;
-											xtermRef.current?.write(chunk.bytes);
-										},
-										{ cursor: { mode: 'seq', seq: res.nextSeq } },
-									);
-									console.log('shell listener attached', id.toString());
-									listenerIdRef.current = id;
-								})();
-							}
+								}
+								const id = shell.addListener(
+									(ev: ListenerEvent) => {
+										if ('kind' in ev) {
+											console.log('listener.dropped', ev);
+											return;
+										}
+										const chunk = ev;
+										const xr3 = xtermRef.current;
+										if (xr3) xr3.write(chunk.bytes);
+									},
+									{ cursor: { mode: 'seq', seq: res.nextSeq } },
+								);
+								console.log('shell listener attached', id.toString());
+								listenerIdRef.current = id;
+							})();
+						}
 
-							// Focus to pop the keyboard (iOS needs the prop we set)
-							xtermRef.current?.focus?.();
-							return;
+						// Focus to pop the keyboard (iOS needs the prop we set)
+						const xr2 = xtermRef.current;
+						if (xr2) xr2.focus();
+						return;
+					}
+					if (m.type === 'data') {
+						console.log('xterm->SSH', { len: m.data.length });
+						const { buffer, byteOffset, byteLength } = m.data;
+						const ab = buffer.slice(byteOffset, byteOffset + byteLength);
+						if (shell) {
+							shell.sendData(ab as ArrayBuffer).catch((e: unknown) => {
+								console.warn('sendData failed', e);
+								router.back();
+							});
 						}
-						if (m.type === 'data') {
-							console.log('xterm->SSH', { len: m.data.length });
-							// Ensure we send the exact slice; send CR only for Enter.
-							const { buffer, byteOffset, byteLength } = m.data;
-							const ab = buffer.slice(byteOffset, byteOffset + byteLength);
-							void shell?.sendData(ab as ArrayBuffer);
-							return;
-						}
-						if (m.type === 'debug') {
-							console.log('xterm.debug', m.message);
-						}
-					}}
-				/>
-			</View>
+						return;
+					} else {
+						console.log('xterm.debug', m.message);
+					}
+				}}
+			/>
 		</SafeAreaView>
 	);
 }

apps/mobile/src/app/(tabs)/shell/index.tsx

@@ -1,5 +1,8 @@
 import { Ionicons } from '@expo/vector-icons';
-import { type SshConnection } from '@fressh/react-native-uniffi-russh';
+import {
+	type SshShell,
+	type SshConnection,
+} from '@fressh/react-native-uniffi-russh';
 import { FlashList } from '@shopify/flash-list';
 import { useQuery, useQueryClient } from '@tanstack/react-query';
 import { formatDistanceToNow } from 'date-fns';
@@ -21,7 +24,6 @@ import {
 	listSshShellsQueryOptions,
 	type ShellWithConnection,
 } from '@/lib/query-fns';
-import { type listConnectionsWithShells as registryList } from '@/lib/ssh-registry';
 import { useTheme } from '@/lib/theme';
 
 export default function TabsShellList() {
@@ -78,7 +80,7 @@ type ActionTarget =
 			connection: SshConnection;
 	  };
 
-type ConnectionsList = ReturnType<typeof registryList>;
+type ConnectionsList = (SshConnection & { shells: SshShell[] })[];
 
 function LoadedState({ connections }: { connections: ConnectionsList }) {
 	const [actionTarget, setActionTarget] = React.useState<null | ActionTarget>(
@@ -103,7 +105,9 @@ function LoadedState({ connections }: { connections: ConnectionsList }) {
 			)}
 			<ActionsSheet
 				target={actionTarget}
-				onClose={() => setActionTarget(null)}
+				onClose={() => {
+					setActionTarget(null);
+				}}
 				onCloseShell={() => {
 					if (!actionTarget) return;
 					if (!('shell' in actionTarget)) return;
@@ -138,7 +142,12 @@ function FlatView({
 }) {
 	const flatShells = React.useMemo(() => {
 		return connectionsWithShells.reduce<ShellWithConnection[]>((acc, curr) => {
-			acc.push(...curr.shells.map((shell) => ({ ...shell, connection: curr })));
+			acc.push(
+				...curr.shells.map((shell) => ({
+					...shell,
+					connection: curr,
+				})),
+			);
 			return acc;
 		}, []);
 	}, [connectionsWithShells]);
@@ -149,11 +158,11 @@ function FlatView({
 			renderItem={({ item }) => (
 				<ShellCard
 					shell={item}
-					onLongPress={() =>
+					onLongPress={() => {
 						setActionTarget({
 							shell: item,
-						})
-					}
+						});
+					}}
 				/>
 			)}
 			ItemSeparatorComponent={() => <View style={{ height: 12 }} />}
@@ -194,12 +203,12 @@ function GroupedView({
 							alignItems: 'center',
 							justifyContent: 'space-between',
 						}}
-						onPress={() =>
+						onPress={() => {
 							setExpanded((prev) => ({
 								...prev,
 								[item.connectionId]: !prev[item.connectionId],
-							}))
-						}
+							}));
+						}}
 					>
 						<View>
 							<Text
@@ -234,11 +243,11 @@ function GroupedView({
 									<ShellCard
 										key={`${sh.connectionId}:${sh.channelId}`}
 										shell={shellWithConnection}
-										onLongPress={() =>
+										onLongPress={() => {
 											setActionTarget({
 												shell: shellWithConnection,
-											})
-										}
+											});
+										}}
 									/>
 								);
 							})}
@@ -299,15 +308,15 @@ function ShellCard({
 				paddingHorizontal: 12,
 				paddingVertical: 12,
 			}}
-			onPress={() =>
+			onPress={() => {
 				router.push({
 					pathname: '/shell/detail',
 					params: {
-						connectionId: String(shell.connectionId),
+						connectionId: shell.connectionId,
 						channelId: String(shell.channelId),
 					},
-				})
-			}
+				});
+			}}
 			onLongPress={onLongPress}
 		>
 			<View style={{ flex: 1 }}>

apps/mobile/src/components/form-components.tsx

@@ -14,15 +14,14 @@ import {
 
 function FieldInfo() {
 	const field = useFieldContext();
-	const meta = field.state.meta;
-	const errorMessage = meta?.errors?.[0]; // TODO: typesafe errors
+	const meta = field.state.meta as { errors?: unknown[] };
+	const errs = meta.errors;
+	const errorMessage = errs && errs.length > 0 ? String(errs[0]) : null;
 
 	return (
 		<View style={{ marginTop: 6 }}>
 			{errorMessage ? (
-				<Text style={{ color: '#FCA5A5', fontSize: 12 }}>
-					{String(errorMessage)}
-				</Text>
+				<Text style={{ color: '#FCA5A5', fontSize: 12 }}>{errorMessage}</Text>
 			) : null}
 		</View>
 	);
@@ -103,7 +102,9 @@ export function NumberField(
 				]}
 				placeholderTextColor="#9AA0A6"
 				value={field.state.value.toString()}
-				onChangeText={(text) => field.handleChange(Number(text))}
+				onChangeText={(text) => {
+					field.handleChange(Number(text));
+				}}
 				onBlur={field.handleBlur}
 				{...rest}
 			/>
@@ -145,7 +146,9 @@ export function SwitchField(
 					style,
 				]}
 				value={field.state.value}
-				onChange={(event) => field.handleChange(event.nativeEvent.value)}
+				onChange={(event) => {
+					field.handleChange(event.nativeEvent.value);
+				}}
 				onBlur={field.handleBlur}
 				{...rest}
 			/>
@@ -179,7 +182,7 @@ export function SubmitButton(
 				disabled ? { backgroundColor: '#3B82F6', opacity: 0.6 } : undefined,
 			]}
 			onPress={onPress}
-			disabled={disabled || isSubmitting}
+			disabled={disabled === true ? true : isSubmitting}
 		>
 			<Text style={{ color: '#FFFFFF', fontWeight: '700', fontSize: 16 }}>
 				{isSubmitting ? 'Connecting...' : title}

apps/mobile/src/components/key-manager/KeyList.tsx

@@ -41,7 +41,9 @@ export function KeyList(props: {
 					generateMutation.isPending && { opacity: 0.7 },
 				]}
 				disabled={generateMutation.isPending}
-				onPress={() => generateMutation.mutate()}
+				onPress={() => {
+					generateMutation.mutate();
+				}}
 			>
 				<Text style={{ color: '#FFFFFF', fontWeight: '700', fontSize: 14 }}>
 					{generateMutation.isPending
@@ -80,7 +82,7 @@ function KeyRow(props: {
 	const entryQuery = useQuery(secretsManager.keys.query.get(props.entryId));
 	const entry = entryQuery.data;
 	const [label, setLabel] = React.useState(
-		entry?.manifestEntry.metadata?.label ?? '',
+		entry?.manifestEntry.metadata.label ?? '',
 	);
 
 	const renameMutation = useMutation({
@@ -150,8 +152,8 @@ function KeyRow(props: {
 		>
 			<View style={{ flex: 1, marginRight: 8 }}>
 				<Text style={{ color: '#E5E7EB', fontSize: 15, fontWeight: '600' }}>
-					{entry.manifestEntry.metadata?.label ?? entry.manifestEntry.id}
-					{entry.manifestEntry.metadata?.isDefault ? '  • Default' : ''}
+					{entry.manifestEntry.metadata.label ?? entry.manifestEntry.id}
+					{entry.manifestEntry.metadata.isDefault ? '  • Default' : ''}
 				</Text>
 				<Text style={{ color: '#9AA0A6', fontSize: 12, marginTop: 2 }}>
 					ID: {entry.manifestEntry.id}
@@ -179,7 +181,9 @@ function KeyRow(props: {
 			<View style={{ gap: 6, alignItems: 'flex-end' }}>
 				{props.mode === 'select' ? (
 					<Pressable
-						onPress={() => setDefaultMutation.mutate()}
+						onPress={() => {
+							setDefaultMutation.mutate();
+						}}
 						style={{
 							backgroundColor: '#2563EB',
 							borderRadius: 10,
@@ -207,7 +211,9 @@ function KeyRow(props: {
 							},
 							renameMutation.isPending && { opacity: 0.6 },
 						]}
-						onPress={() => renameMutation.mutate(label)}
+						onPress={() => {
+							renameMutation.mutate(label);
+						}}
 						disabled={renameMutation.isPending}
 					>
 						<Text style={{ color: '#C6CBD3', fontWeight: '600', fontSize: 12 }}>
@@ -215,7 +221,7 @@ function KeyRow(props: {
 						</Text>
 					</Pressable>
 				) : null}
-				{!entry.manifestEntry.metadata?.isDefault ? (
+				{!entry.manifestEntry.metadata.isDefault ? (
 					<Pressable
 						style={{
 							backgroundColor: 'transparent',
@@ -226,7 +232,9 @@ function KeyRow(props: {
 							paddingHorizontal: 10,
 							alignItems: 'center',
 						}}
-						onPress={() => setDefaultMutation.mutate()}
+						onPress={() => {
+							setDefaultMutation.mutate();
+						}}
 					>
 						<Text style={{ color: '#C6CBD3', fontWeight: '600', fontSize: 12 }}>
 							Set Default
@@ -243,7 +251,9 @@ function KeyRow(props: {
 						paddingHorizontal: 10,
 						alignItems: 'center',
 					}}
-					onPress={() => deleteMutation.mutate()}
+					onPress={() => {
+						deleteMutation.mutate();
+					}}
 				>
 					<Text style={{ color: '#FCA5A5', fontWeight: '700', fontSize: 12 }}>
 						Delete

apps/mobile/src/lib/preferences.tsx

@@ -12,7 +12,9 @@ export const preferences = {
 			rawTheme === 'light' ? 'light' : 'dark',
 		get: (): ThemeName =>
 			preferences.theme._resolve(storage.getString(preferences.theme._key)),
-		set: (name: ThemeName) => storage.set(preferences.theme._key, name),
+		set: (name: ThemeName) => {
+			storage.set(preferences.theme._key, name);
+		},
 		useThemePref: (): [ThemeName, (name: ThemeName) => void] => {
 			const [theme, setTheme] = useMMKVString(preferences.theme._key);
 			return [
@@ -31,8 +33,9 @@ export const preferences = {
 			preferences.shellListViewMode._resolve(
 				storage.getString(preferences.shellListViewMode._key),
 			),
-		set: (mode: ShellListViewMode) =>
-			storage.set(preferences.shellListViewMode._key, mode),
+		set: (mode: ShellListViewMode) => {
+			storage.set(preferences.shellListViewMode._key, mode);
+		},
 
 		useShellListViewModePref: (): [
 			ShellListViewMode,

apps/mobile/src/lib/query-fns.ts

@@ -7,11 +7,7 @@ import {
 } from '@tanstack/react-query';
 import { useRouter } from 'expo-router';
 import { secretsManager, type InputConnectionDetails } from './secrets-manager';
-import {
-	listConnectionsWithShells as registryList,
-	registerSession,
-	type ShellWithConnection,
-} from './ssh-registry';
+import { useSshStore, toSessionStatus, type SessionKey } from './ssh-store';
 import { AbortSignalTimeout } from './utils';
 
 export const useSshConnMutation = () => {
@@ -44,22 +40,26 @@ export const useSshConnMutation = () => {
 					details: connectionDetails,
 					priority: 0,
 				});
+				// Capture status events to Zustand after session is known.
+				let keyRef: SessionKey | null = null;
 				const shellInterface = await sshConnection.startShell({
 					pty: 'Xterm',
 					onStatusChange: (status) => {
+						if (keyRef)
+							useSshStore.getState().setStatus(keyRef, toSessionStatus(status));
 						console.log('SSH shell status', status);
 					},
 					abortSignal: AbortSignalTimeout(5_000),
 				});
 
-				const channelId = shellInterface.channelId as number;
-				const connectionId =
-					sshConnection.connectionId ??
-					`${sshConnection.connectionDetails.username}@${sshConnection.connectionDetails.host}:${sshConnection.connectionDetails.port}|${Math.floor(sshConnection.createdAtMs)}`;
+				const channelId = shellInterface.channelId;
+				const connectionId = `${sshConnection.connectionDetails.username}@${sshConnection.connectionDetails.host}:${sshConnection.connectionDetails.port}|${Math.floor(sshConnection.createdAtMs)}`;
 				console.log('Connected to SSH server', connectionId, channelId);
 
-				// Track in registry for app use
-				registerSession(sshConnection, shellInterface);
+				// Track in Zustand store
+				keyRef = useSshStore
+					.getState()
+					.addSession(sshConnection, shellInterface);
 
 				await queryClient.invalidateQueries({
 					queryKey: listSshShellsQueryOptions.queryKey,
@@ -81,17 +81,29 @@ export const useSshConnMutation = () => {
 
 export const listSshShellsQueryOptions = queryOptions({
 	queryKey: ['ssh-shells'],
-	queryFn: () => registryList(),
+	queryFn: () => useSshStore.getState().listConnectionsWithShells(),
 });
 
-export type { ShellWithConnection };
+export type ShellWithConnection = (ReturnType<
+	typeof useSshStore.getState
+>['listConnectionsWithShells'] extends () => infer R
+	? R
+	: never)[number]['shells'][number] & {
+	connection: (ReturnType<
+		typeof useSshStore.getState
+	>['listConnectionsWithShells'] extends () => infer R
+		? R
+		: never)[number];
+};
 
 export const closeSshShellAndInvalidateQuery = async (params: {
 	channelId: number;
 	connectionId: string;
 	queryClient: QueryClient;
 }) => {
-	const currentActiveShells = registryList();
+	const currentActiveShells = useSshStore
+		.getState()
+		.listConnectionsWithShells();
 	const connection = currentActiveShells.find(
 		(c) => c.connectionId === params.connectionId,
 	);
@@ -108,7 +120,9 @@ export const disconnectSshConnectionAndInvalidateQuery = async (params: {
 	connectionId: string;
 	queryClient: QueryClient;
 }) => {
-	const currentActiveShells = registryList();
+	const currentActiveShells = useSshStore
+		.getState()
+		.listConnectionsWithShells();
 	const connection = currentActiveShells.find(
 		(c) => c.connectionId === params.connectionId,
 	);

apps/mobile/src/lib/secrets-manager.ts

@@ -79,7 +79,7 @@ function makeBetterSecureStore<
 		log(
 			`Root manifest for ${rootManifestKey} is ${rawRootManifestString?.length ?? 0} bytes`,
 		);
-		const unsafedRootManifest = rawRootManifestString
+		const unsafedRootManifest: unknown = rawRootManifestString
 			? JSON.parse(rawRootManifestString)
 			: {
 					manifestVersion: rootManifestVersion,
@@ -95,9 +95,11 @@ function makeBetterSecureStore<
 				if (!rawManifestChunkString)
 					throw new Error('Manifest chunk not found');
 				log(
-					`Manifest chunk for ${manifestChunkKeyString} is ${rawManifestChunkString?.length} bytes`,
+					`Manifest chunk for ${manifestChunkKeyString} is ${rawManifestChunkString.length} bytes`,
+				);
+				const unsafedManifestChunk: unknown = JSON.parse(
+					rawManifestChunkString,
 				);
-				const unsafedManifestChunk = JSON.parse(rawManifestChunkString);
 				return {
 					manifestChunk: manifestChunkSchema.parse(unsafedManifestChunk),
 					manifestChunkId,
@@ -316,7 +318,7 @@ const keyMetadataSchema = z.object({
 });
 export type KeyMetadata = z.infer<typeof keyMetadataSchema>;
 
-const betterKeyStorage = makeBetterSecureStore<KeyMetadata, string>({
+const betterKeyStorage = makeBetterSecureStore<KeyMetadata>({
 	storagePrefix: 'privateKey',
 	extraManifestFieldsSchema: keyMetadataSchema,
 	parseValue: (value) => value,

apps/mobile/src/lib/ssh-registry.ts

@@ -1,108 +0,0 @@
-import {
-	RnRussh,
-	type SshConnection,
-	type SshShell,
-} from '@fressh/react-native-uniffi-russh';
-
-// Simple in-memory registry owned by JS to track active handles.
-// Keyed by `${connectionId}:${channelId}`.
-
-export type SessionKey = string;
-
-export type StoredSession = {
-	connection: SshConnection;
-	shell: SshShell;
-};
-
-const sessions = new Map<SessionKey, StoredSession>();
-
-export function makeSessionKey(
-	connectionId: string,
-	channelId: number,
-): SessionKey {
-	return `${connectionId}:${channelId}`;
-}
-
-export function registerSession(
-	connection: SshConnection,
-	shell: SshShell,
-): SessionKey {
-	const key = makeSessionKey(connection.connectionId, shell.channelId);
-	sessions.set(key, { connection, shell });
-	return key;
-}
-
-export function getSession(
-	connectionId: string,
-	channelId: number,
-): StoredSession | undefined {
-	return sessions.get(makeSessionKey(connectionId, channelId));
-}
-
-export function removeSession(connectionId: string, channelId: number): void {
-	sessions.delete(makeSessionKey(connectionId, channelId));
-}
-
-export function listSessions(): StoredSession[] {
-	return Array.from(sessions.values());
-}
-
-// Legacy list view expected shape
-export type ShellWithConnection = StoredSession['shell'] & {
-	connection: SshConnection;
-};
-
-export function listConnectionsWithShells(): (SshConnection & {
-	shells: StoredSession['shell'][];
-})[] {
-	// Group shells by connection
-	const byConn = new Map<string, { conn: SshConnection; shells: SshShell[] }>();
-	for (const { connection, shell } of sessions.values()) {
-		const g = byConn.get(connection.connectionId) ?? {
-			conn: connection,
-			shells: [],
-		};
-		g.shells.push(shell);
-		byConn.set(connection.connectionId, g);
-	}
-	return Array.from(byConn.values()).map(({ conn, shells }) => ({
-		...conn,
-		shells,
-	}));
-}
-
-// Convenience helpers for flows
-export async function connectAndStart(
-	details: Parameters<typeof RnRussh.connect>[0],
-) {
-	const conn = await RnRussh.connect(details);
-	const shell = await conn.startShell({ pty: 'Xterm' });
-	registerSession(conn, shell);
-	return { conn, shell };
-}
-
-export async function closeShell(connectionId: string, channelId: number) {
-	const sess = getSession(connectionId, channelId);
-	if (!sess) return;
-	await sess.shell.close();
-	removeSession(connectionId, channelId);
-}
-
-export async function disconnectConnection(connectionId: string) {
-	const remaining = Array.from(sessions.entries()).filter(
-		([, v]) => v.connection.connectionId === connectionId,
-	);
-	for (const [key, sess] of remaining) {
-		try {
-			await sess.shell.close();
-		} catch {}
-		sessions.delete(key);
-	}
-	// Find one connection handle for this id to disconnect
-	const conn = remaining[0]?.[1].connection;
-	if (conn) {
-		try {
-			await conn.disconnect();
-		} catch {}
-	}
-}

apps/mobile/src/lib/ssh-store.ts

@@ -0,0 +1,86 @@
+import {
+	type SshConnection,
+	type SshShell,
+	type SshConnectionStatus,
+} from '@fressh/react-native-uniffi-russh';
+import { create } from 'zustand';
+
+export type SessionKey = string;
+export const makeSessionKey = (connectionId: string, channelId: number) =>
+	`${connectionId}:${channelId}` as const;
+
+export type SessionStatus = 'connecting' | 'connected' | 'disconnected';
+
+export interface StoredSession {
+	connection: SshConnection;
+	shell: SshShell;
+	status: SessionStatus;
+}
+
+interface SshStoreState {
+	sessions: Record<SessionKey, StoredSession>;
+	addSession: (conn: SshConnection, shell: SshShell) => SessionKey;
+	removeSession: (key: SessionKey) => void;
+	setStatus: (key: SessionKey, status: SessionStatus) => void;
+	getByKey: (key: SessionKey) => StoredSession | undefined;
+	listConnectionsWithShells: () => (SshConnection & { shells: SshShell[] })[];
+}
+
+export const useSshStore = create<SshStoreState>((set, get) => ({
+	sessions: {},
+	addSession: (conn, shell) => {
+		const key = makeSessionKey(conn.connectionId, shell.channelId);
+		set((s) => ({
+			sessions: {
+				...s.sessions,
+				[key]: { connection: conn, shell, status: 'connected' },
+			},
+		}));
+		return key;
+	},
+	removeSession: (key) => {
+		set((s) => {
+			const { [key]: _omit, ...rest } = s.sessions;
+			return { sessions: rest };
+		});
+	},
+	setStatus: (key, status) => {
+		set((s) =>
+			s.sessions[key]
+				? { sessions: { ...s.sessions, [key]: { ...s.sessions[key], status } } }
+				: s,
+		);
+	},
+	getByKey: (key) => get().sessions[key],
+	listConnectionsWithShells: () => {
+		const byConn = new Map<
+			string,
+			{ conn: SshConnection; shells: SshShell[] }
+		>();
+		for (const { connection, shell } of Object.values(get().sessions)) {
+			const g = byConn.get(connection.connectionId) ?? {
+				conn: connection,
+				shells: [],
+			};
+			g.shells.push(shell);
+			byConn.set(connection.connectionId, g);
+		}
+		return Array.from(byConn.values()).map(({ conn, shells }) => ({
+			...conn,
+			shells,
+		}));
+	},
+}));
+
+export function toSessionStatus(status: SshConnectionStatus): SessionStatus {
+	switch (status) {
+		case 'shellConnecting':
+			return 'connecting';
+		case 'shellConnected':
+			return 'connected';
+		case 'shellDisconnected':
+			return 'disconnected';
+		default:
+			return 'connected';
+	}
+}

apps/mobile/src/lib/theme.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import { preferences } from './preferences';
 
-export type AppTheme = {
+export interface AppTheme {
 	colors: {
 		background: string;
 		surface: string;
@@ -20,7 +20,7 @@ export type AppTheme = {
 		shadow: string;
 		primaryDisabled: string;
 	};
-};
+}
 
 export const darkTheme: AppTheme = {
 	colors: {
@@ -70,11 +70,11 @@ export const themes: Record<ThemeName, AppTheme> = {
 	light: lightTheme,
 };
 
-type ThemeContextValue = {
+interface ThemeContextValue {
 	theme: AppTheme;
 	themeName: ThemeName;
 	setThemeName: (name: ThemeName) => void;
-};
+}
 
 const ThemeContext = React.createContext<ThemeContextValue | undefined>(
 	undefined,
@@ -93,21 +93,17 @@ export function ThemeProvider(props: { children: React.ReactNode }) {
 		[theme, themeName, setThemeName],
 	);
 
-	return (
-		<ThemeContext.Provider value={value}>
-			{props.children}
-		</ThemeContext.Provider>
-	);
+	return <ThemeContext value={value}>{props.children}</ThemeContext>;
 }
 
 export function useTheme() {
-	const ctx = React.useContext(ThemeContext);
+	const ctx = React.use(ThemeContext);
 	if (!ctx) throw new Error('useTheme must be used within ThemeProvider');
 	return ctx.theme;
 }
 
 export function useThemeControls() {
-	const ctx = React.useContext(ThemeContext);
+	const ctx = React.use(ThemeContext);
 	if (!ctx)
 		throw new Error('useThemeControls must be used within ThemeProvider');
 	const { themeName, setThemeName } = ctx;

apps/mobile/src/lib/utils.ts

@@ -8,6 +8,8 @@ export const AbortSignalTimeout = (timeout: number) => {
 	// AbortSignal.timeout is not available as of expo 54
 	// TypeError: AbortSignal.timeout is not a function (it is undefined)
 	const controller = new AbortController();
-	setTimeout(() => controller.abort(), timeout);
+	setTimeout(() => {
+		controller.abort();
+	}, timeout);
 	return controller.signal;
 };

packages/react-native-xtermjs-webview/index.html

@@ -1,5 +1,5 @@
 <!doctype html>
-<html style="margin: 0; padding: 0; width: 100vw; height: 100vh">
+<html style="margin: 0; padding: 0; width: 100%; height: 100%">
 	<head>
 		<meta charset="UTF-8" />
 		<meta
@@ -7,7 +7,7 @@
 			content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"
 		/>
 	</head>
-	<body style="margin: 0; padding: 0; width: 100vw; height: 100vh">
+	<body style="margin: 0; padding: 0; width: 100%; height: 100%">
 		<div
 			id="terminal"
 			style="margin: 0; padding: 0; width: 100%; height: 100%"