feat: initialize experimental agent repo

.opencode/tools/view_history.ts

@@ -0,0 +1,30 @@
+import { tool } from "@opencode-ai/plugin";
+
+export default tool({
+  description: "为选定的管网要素打开前端的历史记录或计算结果面板。",
+  args: {
+    reason: tool.schema
+      .string()
+      .describe(
+        "Why this history panel should be opened for the current task.",
+      ),
+    feature_infos: tool.schema
+      .array(tool.schema.tuple([tool.schema.string(), tool.schema.string()]))
+      .describe("List of [id, type] pairs."),
+    data_type: tool.schema
+      .enum(["realtime", "scheme", "none"])
+      .describe("History data source type."),
+    start_time: tool.schema
+      .string()
+      .optional()
+      .describe("Optional ISO8601 start time."),
+    end_time: tool.schema
+      .string()
+      .optional()
+      .describe("Optional ISO8601 end time."),
+  },
+  async execute() {
+    // 返回短确认即可；面板打开动作由前端根据 tool_call 参数完成。
+    return "已打开计算结果面板。";
+  },
+});