tweak: adjust retry check to be more defensive

packages/opencode/src/session/retry.ts

@@ -76,6 +76,7 @@ export namespace SessionRetry {
         return undefined
       }
     })
+    try {
       if (!json || typeof json !== "object") return undefined
       const code = typeof json.code === "string" ? json.code : ""
 
@@ -95,5 +96,8 @@ export namespace SessionRetry {
       ) {
         return "Provider Server Error"
       }
+    } catch {
+      return undefined
+    }
   }
 }

packages/opencode/test/session/retry.test.ts

@@ -102,6 +102,12 @@ describe("session.retry.retryable", () => {
     expect(SessionRetry.retryable(error)).toBe("Provider Server Error")
   })
 
+  test("does not throw on numeric error codes", () => {
+    const error = wrap(JSON.stringify({ type: "error", error: { code: 123 } }))
+    const result = SessionRetry.retryable(error)
+    expect(result).toBeUndefined()
+  })
+
   test("returns undefined for non-json message", () => {
     const error = wrap("not-json")
     expect(SessionRetry.retryable(error)).toBeUndefined()