added post modal for feed on map

src/pages/MainFeed.jsx

@@ -16,6 +16,7 @@ import FeedSearchBar from "../components/feed/FeedSearchBar";
 
 import FeedContent from "../components/feed/FeedContent";
 import MapView from "../components/MapView";
+import PostDetailModal from "../components/PostDetailModal";
 import { useAuthContext } from "../context/AuthContext";
 import { useCities } from "../hooks/useCities";
 import { useFeedPosts } from "../hooks/useFeedPosts";
@@ -186,6 +187,8 @@ export default function MainFeed() {
 
   const handleHomeClick = useCallback(() => {
     setActiveNav("home");
+    setSearchQuery("");
+    setSelectedCities([]);
     if (isSearchView || isMapView) navigate("/feed");
     feedRef.current?.scrollTo({ top: 0, behavior: "smooth" });
   }, [isSearchView, isMapView, navigate]);
@@ -206,6 +209,10 @@ export default function MainFeed() {
     feedRef.current?.scrollTo({ top: 0, behavior: "smooth" });
   }, [isMapView, navigate]);
 
+  const handleMapPostClick = useCallback((postId) => {
+    modals.open("postDetail", { postId });
+  }, [modals]);
+
   // Клик по локации на карточке — карта с фокусом на этом объявлении
   const handleLocationClick = useCallback((ad) => {
     const params = new URLSearchParams({ view: "map", post: ad.id });
@@ -266,6 +273,8 @@ export default function MainFeed() {
             onClose={() => setSidebarOpen(false)}
             onNavClick={(key) => {
               setActiveNav(key);
+              setSearchQuery("");
+              setSelectedCities([]);
               if (isMapView || isSearchView) navigate("/feed");
             }}
             isAuthenticated={isAuthenticated}
@@ -296,7 +305,7 @@ export default function MainFeed() {
 
           <div className="f-wrap">
             {isMapView ? (
-              <MapView focusPostId={focusPostId} focusLat={focusLat} focusLng={focusLng} />
+              <MapView focusPostId={focusPostId} focusLat={focusLat} focusLng={focusLng} onPostClick={handleMapPostClick} />
             ) : (
               <>
                 <div className="f-feed" ref={feedRef}>
@@ -336,6 +345,8 @@ export default function MainFeed() {
                 onLoginClick={() => modals.open("auth")}
             onNavClick={(key) => {
               setActiveNav(key);
+              setSearchQuery("");
+              setSelectedCities([]);
               if (isMapView || isSearchView) navigate("/feed");
             }}
             />
@@ -373,6 +384,21 @@ export default function MainFeed() {
             />
         )}
 
+        {modals.isOpen("postDetail") && (
+            <PostDetailModal
+                postId={modals.modal.payload.postId}
+                onClose={modals.close}
+                onImageClick={(images, index, ad) => {
+                  modals.open("viewer", { images, index, ad });
+                }}
+                onLocationClick={(ad) => {
+                  modals.close();
+                  handleLocationClick(ad);
+                }}
+                onAuthRequired={() => modals.open("auth")}
+            />
+        )}
+
         <BottomNav
             activeTab={isMapView ? "map" : isSearchView ? "search" : "home"}
             hasFilters={hasActiveFilters}