feat(agent): add controlled task execution

tests/runtime/supplyIdentity.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from "bun:test";
+import { readFile } from "node:fs/promises";
+import { join } from "node:path";
+
+const projectRoot = join(import.meta.dir, "../..");
+
+describe("supply Agent identity", () => {
+  it("keeps the primary instruction scoped to validated supply data", async () => {
+    const instruction = await readFile(
+      join(projectRoot, ".opencode/agents/instruction.md"),
+      "utf8",
+    );
+
+    expect(instruction).toContain("TJWater 实验性供水数据 Agent");
+    expect(instruction).toContain("供水事件数据边界");
+    expect(instruction).not.toContain("source/");
+    expect(instruction).not.toContain("排水");
+    expect(instruction).not.toContain("雨污混接");
+  });
+});