Commit inicial - upload de todos os arquivos da pasta

frontend/app/agents/workflows/nodes/components/start/StartNode.tsx

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+/*
+┌──────────────────────────────────────────────────────────────────────────────┐
+│ @author: Davidson Gomes                                                      │
+│ @file: /app/agents/workflows/nodes/components/start/StartNode.tsx            │
+│ Developed by: Davidson Gomes                                                 │
+│ Creation date: May 13, 2025                                                  │
+│ Contact: contato@evolution-api.com                                           │
+├──────────────────────────────────────────────────────────────────────────────┤
+│ @copyright © Evolution API 2025. All rights reserved.                        │
+│ Licensed under the Apache License, Version 2.0                               │
+│                                                                              │
+│ You may not use this file except in compliance with the License.             │
+│ You may obtain a copy of the License at                                      │
+│                                                                              │
+│    http://www.apache.org/licenses/LICENSE-2.0                                │
+│                                                                              │
+│ Unless required by applicable law or agreed to in writing, software          │
+│ distributed under the License is distributed on an "AS IS" BASIS,            │
+│ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     │
+│ See the License for the specific language governing permissions and          │
+│ limitations under the License.                                               │
+├──────────────────────────────────────────────────────────────────────────────┤
+│ @important                                                                   │
+│ For any future changes to the code in this file, it is recommended to        │
+│ include, together with the modification, the information of the developer    │
+│ who changed it and the date of modification.                                 │
+└──────────────────────────────────────────────────────────────────────────────┘
+*/
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { Handle, Node, NodeProps, Position, useEdges } from "@xyflow/react";
+import { Zap, ArrowRight } from "lucide-react";
+import { cn } from "@/lib/utils";
+
+import { BaseNode } from "../../BaseNode";
+
+export type StartNodeType = Node<
+  {
+    label?: string;
+  },
+  "start-node"
+>;
+
+export function StartNode(props: NodeProps) {
+  const { selected, data } = props;
+  const edges = useEdges();
+  const isExecuting = data.isExecuting as boolean | undefined;
+
+  const isSourceHandleConnected = edges.some(
+    (edge) => edge.source === props.id
+  );
+
+  return (
+    <BaseNode hasTarget={true} selected={selected || false} borderColor="emerald" isExecuting={isExecuting}>
+      <div className="mb-3 flex items-center justify-between">
+        <div className="flex items-center gap-2">
+          <div className="flex h-8 w-8 items-center justify-center rounded-full bg-emerald-900/40 shadow-sm">
+            <Zap className="h-5 w-5 text-emerald-400" />
+          </div>
+          <div>
+            <p className="text-lg font-medium text-emerald-400">Start</p>
+          </div>
+        </div>
+      </div>
+
+      <div className="mb-3 rounded-lg border border-emerald-700/40 bg-emerald-950/10 p-3 transition-all duration-200 hover:border-emerald-600/50 hover:bg-emerald-900/10">
+        <div className="flex flex-col">
+          <div className="flex items-start justify-between gap-2">
+            <div className="flex items-center">
+              <span className="font-medium text-white">Input: User content</span>
+            </div>
+          </div>
+          
+          <p className="mt-2 text-xs text-neutral-400">
+            The workflow begins when a user sends a message to the agent
+          </p>
+        </div>
+      </div>
+
+      <div className="mt-2 flex items-center justify-end text-sm text-neutral-400 transition-colors">
+        <div className="flex items-center space-x-1 rounded-md py-1 px-2">
+          <span>Next step</span>
+          <ArrowRight className="h-3.5 w-3.5" />
+        </div>
+        <Handle
+          className={cn(
+            "!w-3 !h-3 !rounded-full transition-all duration-300",
+            isSourceHandleConnected ? "!bg-emerald-500 !border-emerald-400" : "!bg-neutral-400 !border-neutral-500",
+            selected && isSourceHandleConnected && "!bg-emerald-400 !border-emerald-300"
+          )}
+          style={{
+            right: "-8px",
+            top: "calc(100% - 25px)",
+          }}
+          type="source"
+          position={Position.Right}
+        />
+      </div>
+    </BaseNode>
+  );
+}