refactor: deprecate int32 (#7025)

* refactor: deprecate int32

* fix(db): reject legacy user quota schemas at startup

* fix(quota): enforce wallet bounds and saturating billing conversions

* fix(rate-limit): keep count*duration from wrapping int64

* fix: error message

relay/common/relay_info.go

@@ -152,7 +152,7 @@ type RelayInfo struct {
 	PriceData hosttypes.PriceData
 
 	// QuotaClamp is set (non-nil) when a quota conversion saturated at the
-	// int32 bound (or NaN fallback) while computing this request's charge.
+	// supported single-request bound (or NaN fallback) while computing this request's charge.
 	// It is surfaced onto the consume/task log's admin_info for auditing.
 	QuotaClamp *common.QuotaClamp
 

relay/helper/price_test.go

@@ -156,7 +156,7 @@ func TestModelPriceHelperTieredRejectsPreConsumeOverflow(t *testing.T) {
 
 	require.NoError(t, config.GlobalConfig.LoadFromDB(map[string]string{
 		"billing_setting.billing_mode":    `{"tiered-overflow-model":"tiered_expr"}`,
-		"billing_setting.billing_expr":    `{"tiered-overflow-model":"tier(\"overflow\", p * 1000000000000000)"}`,
+		"billing_setting.billing_expr":    `{"tiered-overflow-model":"tier(\"overflow\", p * 100000000000000000)"}`,
 		"group_ratio_setting.group_ratio": `{"default":1}`,
 	}))