Add "Agente de Parecer" feature

src/components/agent/AgentView.tsx

@@ -0,0 +1,74 @@
+import { useState } from "react";
+import { AgentSidebar } from "./AgentSidebar";
+import { AgentChat } from "./AgentChat";
+import { AgentSearch } from "./AgentSearch";
+
+export interface LegalOpinion {
+  id: string;
+  title: string;
+  content: string;
+  createdAt: Date;
+  category?: string;
+}
+
+export const AgentView = () => {
+  const [opinions, setOpinions] = useState<LegalOpinion[]>([]);
+  const [selectedOpinion, setSelectedOpinion] = useState<LegalOpinion | null>(null);
+  const [isCreatingNew, setIsCreatingNew] = useState(false);
+  const [showSearch, setShowSearch] = useState(false);
+
+  const handleCreateNew = () => {
+    setIsCreatingNew(true);
+    setSelectedOpinion(null);
+    setShowSearch(false);
+  };
+
+  const handleSelectOpinion = (opinion: LegalOpinion) => {
+    setSelectedOpinion(opinion);
+    setIsCreatingNew(false);
+    setShowSearch(false);
+  };
+
+  const handleSearch = () => {
+    setShowSearch(true);
+    setIsCreatingNew(false);
+    setSelectedOpinion(null);
+  };
+
+  const handleOpinionCreated = (newOpinion: LegalOpinion) => {
+    setOpinions([newOpinion, ...opinions]);
+    setSelectedOpinion(newOpinion);
+    setIsCreatingNew(false);
+  };
+
+  const handleDeleteOpinion = (id: string) => {
+    setOpinions(opinions.filter(op => op.id !== id));
+    if (selectedOpinion?.id === id) {
+      setSelectedOpinion(null);
+    }
+  };
+
+  return (
+    <div className="flex h-full">
+      <AgentSidebar
+        opinions={opinions}
+        onCreateNew={handleCreateNew}
+        onSelectOpinion={handleSelectOpinion}
+        onDeleteOpinion={handleDeleteOpinion}
+        onSearch={handleSearch}
+        selectedOpinionId={selectedOpinion?.id}
+      />
+      <div className="flex-1">
+        {showSearch ? (
+          <AgentSearch onSelectOpinion={handleSelectOpinion} />
+        ) : (
+          <AgentChat
+            selectedOpinion={selectedOpinion}
+            isCreatingNew={isCreatingNew}
+            onOpinionCreated={handleOpinionCreated}
+          />
+        )}
+      </div>
+    </div>
+  );
+};