fix: harden GoPay and 5sim PR paths

phone-sms/providers/five-sim.js

@@ -569,14 +569,22 @@
     return new Error(`${FIVE_SIM_RATE_LIMIT_ERROR_PREFIX}5sim 购买接口触发限流，请稍后再试${suffix}`);
   }
 
-  function isTerminalError(payloadOrMessage) {
-    const text = describePayload(payloadOrMessage);
-    return /not\s+enough\s+(?:user\s+)?balance|not\s+enough\s+rating|unauthorized|invalid\s+token|banned|bad\s+(?:country|operator)|no\s+product|server\s+offline/i.test(text);
-  }
-
-  async function buyActivationWithPrice(state = {}, countryConfig, maxPrice, deps = {}) {
-    const config = resolveConfig(state, deps);
-    const operator = normalizeFiveSimOperator(state.fiveSimOperator);
+  function isTerminalError(payloadOrMessage) {
+    const text = describePayload(payloadOrMessage);
+    return /not\s+enough\s+(?:user\s+)?balance|not\s+enough\s+rating|unauthorized|invalid\s+token|banned|bad\s+(?:country|operator)|no\s+product|server\s+offline/i.test(text);
+  }
+
+  function assertMaxPriceCompatibleWithOperator(state = {}) {
+    const maxPrice = normalizeFiveSimMaxPrice(state.fiveSimMaxPrice);
+    const operator = normalizeFiveSimOperator(state.fiveSimOperator);
+    if (maxPrice && operator !== DEFAULT_OPERATOR) {
+      throw new Error('5sim maxPrice only works when operator is "any"; clear the price limit or switch operator to any before buying a number.');
+    }
+  }
+
+  async function buyActivationWithPrice(state = {}, countryConfig, maxPrice, deps = {}) {
+    const config = resolveConfig(state, deps);
+    const operator = normalizeFiveSimOperator(state.fiveSimOperator);
     const query = {};
     if (maxPrice !== null && maxPrice !== undefined) {
       query.maxPrice = maxPrice;
@@ -605,9 +613,11 @@
     return activation;
   }
 
-  async function requestActivation(state = {}, options = {}, deps = {}) {
-    const allCountryCandidates = resolveCountryCandidates(state);
-    const blockedCountryIds = new Set(
+  async function requestActivation(state = {}, options = {}, deps = {}) {
+    assertMaxPriceCompatibleWithOperator(state);
+
+    const allCountryCandidates = resolveCountryCandidates(state);
+    const blockedCountryIds = new Set(
       (Array.isArray(options?.blockedCountryIds) ? options.blockedCountryIds : [])
         .map((value) => normalizeFiveSimCountryId(value, ''))
         .filter(Boolean)