Unify referenced result validation

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.opencode/tools/store_render_ref.ts

@@ -0,0 +1,36 @@
+import { tool } from "@opencode-ai/plugin";
+
+const internalBaseUrl = process.env.TJWATER_AGENT_INTERNAL_BASE_URL ?? "http://127.0.0.1:8787";
+const internalToken = process.env.TJWATER_AGENT_INTERNAL_TOKEN ?? "";
+
+export default tool({
+  description:
+    "把本地 JSON 渲染文件迁移成受控的 render_ref。仅适用于需要通过链接引用传递的大型 junction render payload。",
+  args: {
+    reason: tool.schema
+      .string()
+      .describe("Why this local render payload should be persisted as a render_ref."),
+    file_path: tool.schema
+      .string()
+      .describe("Absolute path to a local JSON file containing the render payload or a wrapper object with data."),
+  },
+  async execute(args, context) {
+    const response = await fetch(`${internalBaseUrl}/internal/tools/store-render-ref`, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        "x-agent-internal-token": internalToken,
+      },
+      body: JSON.stringify({
+        sessionId: context.sessionID,
+        file_path: args.file_path,
+      }),
+    });
+
+    const text = await response.text();
+    if (!response.ok) {
+      throw new Error(text);
+    }
+    return text;
+  },
+});