create employee table

go-api/internal/gateway/anthropic_error_test.go

@@ -0,0 +1,46 @@
+package gateway
+
+import "testing"
+
+// The reason a 400 gives is the whole diagnosis, and it used to be thrown away.
+//
+// A deployment answered every single run with "The agent could not finish —
+// something it needed did not answer." Retrieval worked, the run was created,
+// the provider was reached, and the trajectory recorded `gateway.invalid_request`
+// and nothing else. The actual cause was one sentence long and Anthropic had
+// sent it: the account was out of credit. Nothing a client, a log or a run
+// detail could show said so, because `translate` dropped the body.
+//
+// The envelope below is the real one, copied from that response.
+func TestAnthropicErrorMessage(t *testing.T) {
+	cases := []struct {
+		name string
+		raw  string
+		want string
+	}{
+		{
+			name: "the outage this test exists for",
+			raw: `{"type":"error","error":{"type":"invalid_request_error",` +
+				`"message":"Your credit balance is too low to access the Anthropic API. ` +
+				`Please go to Plans & Billing to upgrade or purchase credits."},` +
+				`"request_id":"req_011CeiJqr8rTdpbZYhcL6VHG"}`,
+			want: "Your credit balance is too low to access the Anthropic API. " +
+				"Please go to Plans & Billing to upgrade or purchase credits.",
+		},
+		{
+			name: "a message-less envelope falls back to the type",
+			raw:  `{"type":"error","error":{"type":"overloaded_error"}}`,
+			want: "overloaded_error",
+		},
+		// Best-effort by design: a failure to read a failure must not become a
+		// second failure.
+		{name: "unparseable body yields nothing", raw: `not json at all`, want: ""},
+		{name: "empty body yields nothing", raw: ``, want: ""},
+	}
+
+	for _, c := range cases {
+		if got := anthropicErrorMessage(c.raw); got != c.want {
+			t.Errorf("%s: anthropicErrorMessage() = %q, want %q", c.name, got, c.want)
+		}
+	}
+}