fix(core): Final hardening of NanosecondTimestampSchema with trim and edge-case tests

Author: bharathkumar39293

packages/core/src/v3/schemas/api-type.test.ts

@@ -222,6 +222,46 @@ describe("RunEvent Schema", () => {
     expect(result.success).toBe(false);
   });
 
+  describe("startTime edge cases", () => {
+    it("should handle whitespace-padded strings", () => {
+      const result = RunEvent.safeParse({
+        ...validEvent,
+        startTime: "  2024-03-14T00:00:00Z  ",
+      });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.startTime.toISOString()).toBe("2024-03-14T00:00:00.000Z");
+      }
+    });
+
+    it("should handle whitespace-padded nanosecond strings", () => {
+      const result = RunEvent.safeParse({
+        ...validEvent,
+        startTime: "  1710374400000000000  ",
+      });
+      expect(result.success).toBe(true);
+      if (result.success) {
+        expect(result.data.startTime.toISOString()).toBe("2024-03-14T00:00:00.000Z");
+      }
+    });
+
+    it("should fail on empty string", () => {
+      const result = RunEvent.safeParse({
+        ...validEvent,
+        startTime: "",
+      });
+      expect(result.success).toBe(false);
+    });
+
+    it("should fail on whitespace-only string", () => {
+      const result = RunEvent.safeParse({
+        ...validEvent,
+        startTime: "   ",
+      });
+      expect(result.success).toBe(false);
+    });
+  });
+
   it("allows optional/null parentId", () => {
     const eventWithoutParent = { ...validEvent };
     delete (eventWithoutParent as any).parentId;

packages/core/src/v3/schemas/api.ts

@@ -1648,7 +1648,7 @@ export const NanosecondTimestampSchema = z
   .transform((val) => {
     if (val instanceof Date) return val;
 
-    const str = val.toString();
+    const str = typeof val === "string" ? val.trim() : val.toString();
 
     // 19-digit nanoseconds -> milliseconds
     if (str.length === 19 && /^\d+$/.test(str)) {