refactor(RoomView): first-tier simplifications after the hooks migration

app/containers/MessageComposer/MessageComposer.tsx

@@ -7,12 +7,10 @@ import Animated, { useAnimatedStyle, useSharedValue } from 'react-native-reanima
 import {
 	useComposerRid,
 	useComposerSharing,
-	useComposerTmid,
-	useEditRequest,
-	useOnSendMessage,
-	useSetQuotesAndText
+	useComposerStoreApi,
+	useComposerTmid
 } from '../../views/RoomView/stores/ComposerStore';
-import { useEditingMessageId, useMessageActionKind, useQuotedMessageIds } from '../message/stores/MessageActionStore';
+import { useMessageActionKind, useMessageActionStoreApi } from '../message/stores/MessageActionStore';
 import { Autocomplete } from './components';
 import { MIN_HEIGHT } from './constants';
 import {
@@ -63,12 +61,9 @@ export const MessageComposer = ({
 	const rid = useComposerRid();
 	const tmid = useComposerTmid();
 	const sharing = useComposerSharing();
-	const editRequest = useEditRequest();
-	const onSendMessage = useOnSendMessage();
-	const setQuotesAndText = useSetQuotesAndText();
+	const composerStore = useComposerStoreApi();
+	const messageActionStore = useMessageActionStoreApi();
 	const actionKind = useMessageActionKind();
-	const editingMessageId = useEditingMessageId();
-	const quotedMessageIds = useQuotedMessageIds();
 	const alsoSendThreadToChannel = useAlsoSendThreadToChannel();
 	const { showEmojiKeyboard, showEmojiSearchbar, openEmojiSearchbar, resetKeyboard, keyboardHeight } = useEmojiKeyboard();
 	const { setAlsoSendThreadToChannel, setAutocompleteParams, clearAttachments } = useMessageComposerApi();
@@ -108,6 +103,11 @@ export const MessageComposer = ({
 	const handleSendMessage = async () => {
 		if (!rid) return;
 
+		const { editRequest, onSendMessage, setQuotesAndText } = composerStore.getState();
+		const { action } = messageActionStore.getState();
+		const editingMessageId = action?.kind === 'edit' ? action.messageId : undefined;
+		const quotedMessageIds = action?.kind === 'quote' ? action.messageIds : [];
+
 		if (alsoSendThreadToChannel) {
 			setAlsoSendThreadToChannel(false);
 		}

app/containers/message/stores/MessageActionStore.tsx

@@ -53,32 +53,21 @@ export type TMessageActionStore = ReturnType<typeof createMessageActionStore>;
 
 export const MessageActionStoreContext = createContext<TMessageActionStore | null>(null);
 
-const noOpAction = (): never => {
-	throw new Error('MessageActionStore: no provider — actions unavailable');
-};
-
-const NO_OP_ACTIONS: TMessageActionActions = {
-	startEditing: noOpAction,
-	startQuote: noOpAction,
-	addQuote: noOpAction,
-	removeQuote: noOpAction,
-	startReacting: noOpAction,
-	setQuoteMessageIds: noOpAction,
-	clear: noOpAction
-};
+// Rows rendered outside a RoomView (search, pinned) can never be in edit mode, and the only hook
+// that falls back here reads `action`. Fixed at null (no `set` param).
+const inertStore = createStore<Pick<MessageActionState, 'action'>>()(() => ({ action: null }));
 
-// Rows rendered outside a RoomView (search, pinned) can never be in edit mode.
-// `action` is fixed at null (no `set` param) and its actions always throw — a safe, inert fallback.
-export const inertStore = createStore<MessageActionState>()(() => ({ action: null, actions: NO_OP_ACTIONS }));
-
-const useMessageActionStore = <T,>(selector: (state: MessageActionState) => T): T => {
+export const useMessageActionStoreApi = (): TMessageActionStore => {
 	const store = useContext(MessageActionStoreContext);
 	if (!store) {
 		throw new Error('Message action hooks must be used within a MessageActionProvider');
 	}
-	return useStore(store, selector);
+	return store;
 };
 
+const useMessageActionStore = <T,>(selector: (state: MessageActionState) => T): T =>
+	useStore(useMessageActionStoreApi(), selector);
+
 // `action` is a single ref replaced wholesale on every `set` — no useShallow needed.
 export const useMessageAction = (): TMessageActionState => useMessageActionStore(s => s.action);
 
@@ -91,7 +80,10 @@ export const useMessageActionKind = (): NonNullable<TMessageActionState>['kind']
  */
 export const useIsBeingEdited = (messageId: string): boolean => {
 	const store = useContext(MessageActionStoreContext) ?? inertStore;
-	return useStore(store, s => s.action?.kind === 'edit' && s.action.messageId === messageId);
+	return useStore(
+		store,
+		(s: Pick<MessageActionState, 'action'>) => s.action?.kind === 'edit' && s.action.messageId === messageId
+	);
 };
 
 // Stable ref so the selector doesn't emit a fresh array when not quoting.