fix(chat): keep project state aligned on session switch

Author: enowdev

src/components/sidebar/SessionList.tsx

@@ -58,6 +58,11 @@ export const SessionList: React.FC = () => {
     setDeleteTarget(sessionId);
   };
 
+  const handleSelectSession = (session: Session) => {
+    setActiveProjectId(session.projectId);
+    setActiveSessionId(session.id);
+  };
+
   const confirmDeleteSession = async () => {
     if (!deleteTarget) return;
     const sessionId = deleteTarget;
@@ -137,7 +142,7 @@ export const SessionList: React.FC = () => {
                           ? 'bg-[var(--hover-bg-strong)] text-[var(--text)]'
                           : 'text-[var(--text-subtle)] hover:bg-[var(--hover-bg)] hover:text-[var(--text-muted)]'
                       )}
-                      onClick={() => setActiveSessionId(session.id)}
+                      onClick={() => handleSelectSession(session)}
                     >
                       <ChatCircleText
                         size={15}