diff --git a/AGENTS.md b/AGENTS.md
new file mode 100644
index 00000000..82e0d999
--- /dev/null
+++ b/AGENTS.md
@@ -0,0 +1,45 @@
+# bump 1777865687
+# bump 1777865774
+# bump 1777867257
+# bump 1777910529
+# bump 1777953658
+# bump 1777996857
+# bump 1778040060
+# bump 1778083265
+# bump 1778126461
+# bump 1778169652
+# bump 1778212851
+# bump 1778256046
+# bump 1778299243
+# bump 1778342443
+# bump 1778385644
+# bump 1778428843
+# bump 1778472045
+# bump 1778515251
+# bump 1778558430
+# bump 1778601633
+# bump 1778644829
+# bump 1778688032
+# bump 1778731231
+# bump 1778774432
+# bump 1778817631
+# bump 1778860833
+# bump 1778904030
+# bump 1778947229
+# bump 1778990432
+# bump 1779033629
+# bump 1779076829
+# bump 1779120034
+# bump 1779163231
+# bump 1779206432
+# bump 1779249632
+# bump 1779292833
+# bump 1779336030
+# bump 1779379233
+# bump 1779422433
+# bump 1779465630
+# bump 1779508828
+# bump 1779552031
+# bump 1779595230
+# bump 1779638430
+# bump 1779681629
diff --git a/src/pcb/pcb_hole.ts b/src/pcb/pcb_hole.ts
index 6dfae99b..fc357f5a 100644
--- a/src/pcb/pcb_hole.ts
+++ b/src/pcb/pcb_hole.ts
@@ -84,13 +84,19 @@ export interface PcbHoleRect {
 }
 expectTypesMatch<PcbHoleRect, InferredPcbHoleRect>(true)
 
-const pcb_hole_circle_or_square = z.object({
+export const pcb_hole_circle_or_square = z.object({
   type: z.literal("pcb_hole"),
   pcb_hole_id: getZodPrefixedIdWithDefault("pcb_hole"),
   pcb_group_id: z.string().optional(),
   subcircuit_id: z.string().optional(),
   pcb_component_id: z.string().optional(),
-  hole_shape: z.enum(["circle", "square"]),
+  hole_shape: z
+    .enum(["circle", "square", "round"])
+    .default("circle")
+    .transform((shape) => {
+      if (shape === "round") return "circle" as const
+      return shape as "circle" | "square"
+    }),
   hole_diameter: z.number(),
   x: distance,
   y: distance,
diff --git a/tests/pcb_hole_pill.test.ts b/tests/pcb_hole_pill.test.ts
index 9fadbd52..2d2a810a 100644
--- a/tests/pcb_hole_pill.test.ts
+++ b/tests/pcb_hole_pill.test.ts
@@ -1,6 +1,7 @@
 import { expect, test } from "bun:test"
 import {
   pcb_hole,
+  pcb_hole_circle_or_square,
   type PcbHolePill,
   type PcbHoleRotatedPill,
 } from "../src/pcb/pcb_hole"
@@ -42,3 +43,36 @@ test("parse rotated pill-shaped non-plated hole", () => {
   expect(hole.y).toBe(10)
   expect(hole.ccw_rotation).toBe(45)
 })
+
+test("pcb_hole_circle_or_square accepts 'circle' shape", () => {
+  const hole = pcb_hole_circle_or_square.parse({
+    type: "pcb_hole",
+    hole_shape: "circle",
+    hole_diameter: 1,
+    x: 0,
+    y: 0,
+  })
+  expect(hole.hole_shape).toBe("circle")
+})
+
+test("pcb_hole_circle_or_square accepts 'square' shape", () => {
+  const hole = pcb_hole_circle_or_square.parse({
+    type: "pcb_hole",
+    hole_shape: "square",
+    hole_diameter: 1,
+    x: 0,
+    y: 0,
+  })
+  expect(hole.hole_shape).toBe("square")
+})
+
+test("pcb_hole_circle_or_square transforms 'round' to 'circle'", () => {
+  const hole = pcb_hole_circle_or_square.parse({
+    type: "pcb_hole",
+    hole_shape: "round",
+    hole_diameter: 1,
+    x: 0,
+    y: 0,
+  })
+  expect(hole.hole_shape).toBe("circle")
+})