fix(web-search): support provider base url overrides

extensions/google/src/gemini-web-search-provider.runtime.ts

@@ -20,15 +20,13 @@ import {
   wrapWebContent,
   writeCachedSearchPayload,
 } from "openclaw/plugin-sdk/provider-web-search";
-import { DEFAULT_GOOGLE_API_BASE_URL } from "../api.js";
 import {
   resolveGeminiConfig,
+  resolveGeminiBaseUrl,
   resolveGeminiModel,
   type GeminiConfig,
 } from "./gemini-web-search-provider.shared.js";
 
-const GEMINI_API_BASE = DEFAULT_GOOGLE_API_BASE_URL;
-
 type GeminiGroundingResponse = {
   candidates?: Array<{
     content?: {
@@ -62,10 +60,11 @@ export function resolveGeminiRuntimeApiKey(gemini?: GeminiConfig): string | unde
 async function runGeminiSearch(params: {
   query: string;
   apiKey: string;
+  baseUrl: string;
   model: string;
   timeoutSeconds: number;
 }): Promise<{ content: string; citations: Array<{ url: string; title?: string }> }> {
-  const endpoint = `${GEMINI_API_BASE}/models/${params.model}:generateContent`;
+  const endpoint = `${params.baseUrl}/models/${params.model}:generateContent`;
 
   return withTrustedWebSearchEndpoint(
     {
@@ -161,10 +160,12 @@ export async function executeGeminiSearch(
   const count =
     readNumberParam(args, "count", { integer: true }) ?? searchConfig?.maxResults ?? undefined;
   const model = resolveGeminiModel(geminiConfig);
+  const baseUrl = resolveGeminiBaseUrl(geminiConfig);
   const cacheKey = buildSearchCacheKey([
     "gemini",
     query,
     resolveSearchCount(count, DEFAULT_SEARCH_COUNT),
+    baseUrl,
     model,
   ]);
   const cached = readCachedSearchPayload(cacheKey);
@@ -176,6 +177,7 @@ export async function executeGeminiSearch(
   const result = await runGeminiSearch({
     query,
     apiKey,
+    baseUrl,
     model,
     timeoutSeconds: resolveSearchTimeoutSeconds(searchConfig),
   });

extensions/google/src/gemini-web-search-provider.shared.ts

@@ -1,7 +1,10 @@
+import { normalizeGoogleApiBaseUrl } from "../api.js";
+
 const DEFAULT_GEMINI_WEB_SEARCH_MODEL = "gemini-2.5-flash";
 
 export type GeminiConfig = {
   apiKey?: unknown;
+  baseUrl?: unknown;
   model?: unknown;
 };
 
@@ -28,3 +31,7 @@ export function resolveGeminiApiKey(
 export function resolveGeminiModel(gemini?: GeminiConfig): string {
   return trimToUndefined(gemini?.model) ?? DEFAULT_GEMINI_WEB_SEARCH_MODEL;
 }
+
+export function resolveGeminiBaseUrl(gemini?: GeminiConfig): string {
+  return normalizeGoogleApiBaseUrl(trimToUndefined(gemini?.baseUrl));
+}

extensions/google/src/gemini-web-search-provider.ts

@@ -5,7 +5,11 @@ import {
   type WebSearchProviderPlugin,
   type WebSearchProviderToolDefinition,
 } from "openclaw/plugin-sdk/provider-web-search-config-contract";
-import { resolveGeminiApiKey, resolveGeminiModel } from "./gemini-web-search-provider.shared.js";
+import {
+  resolveGeminiApiKey,
+  resolveGeminiBaseUrl,
+  resolveGeminiModel,
+} from "./gemini-web-search-provider.shared.js";
 
 const GEMINI_CREDENTIAL_PATH = "plugins.entries.google.config.webSearch.apiKey";
 
@@ -82,5 +86,6 @@ export function createGeminiWebSearchProvider(): WebSearchProviderPlugin {
 
 export const __testing = {
   resolveGeminiApiKey,
+  resolveGeminiBaseUrl,
   resolveGeminiModel,
 } as const;