feat(mobile): unify the terminal and home composers

apps/mobile/app/(authenticated)/(home)/_layout.tsx

@@ -27,17 +27,6 @@ export default function HomeLayout() {
 					sheetGrabberVisible: true,
 				}}
 			/>
-			<Stack.Screen
-				name="attachments"
-				options={{
-					presentation: "formSheet",
-					headerShown: false,
-					// Single detent: multi-detent resizes corrupt expo-image frames.
-					// Content (incl. the screenshots grid) is sized to fit 0.5.
-					sheetAllowedDetents: [0.5],
-					sheetGrabberVisible: true,
-				}}
-			/>
 		</Stack>
 	);
 }

apps/mobile/app/(authenticated)/_layout.tsx

@@ -44,6 +44,19 @@ export default function AuthenticatedLayout() {
 				    back-button long-press menus (otherwise raw route names leak,
 				    e.g. "(home)"). */}
 				<Stack.Screen name="(home)" options={{ title: "Home" }} />
+				{/* Sits above the home and workspace stacks alike — both composers
+				    open the same sheet into the shared PromptInputProvider tray. */}
+				<Stack.Screen
+					name="attachments"
+					options={{
+						presentation: "formSheet",
+						headerShown: false,
+						// Single detent: multi-detent resizes corrupt expo-image frames.
+						// Content (incl. the screenshots grid) is sized to fit 0.5.
+						sheetAllowedDetents: [0.5],
+						sheetGrabberVisible: true,
+					}}
+				/>
 				<Stack.Screen
 					name="settings/index"
 					options={settingsScreenOptions("Settings")}

apps/mobile/app/(authenticated)/attachments/index.tsx

@@ -0,0 +1,3 @@
+import { AttachmentsScreen } from "@/screens/(authenticated)/attachments";
+
+export default AttachmentsScreen;

apps/mobile/app/(authenticated)/attachments/screenshots.tsx

@@ -0,0 +1,3 @@
+import { ScreenshotsScreen } from "@/screens/(authenticated)/attachments/screenshots";
+
+export default ScreenshotsScreen;