重构主控编排与运行时预热链路，统一工作区提示词/专家调度协议并补齐 wiki 记忆注入与写回闭环。

同时收敛启动与运维脚本默认行为（含 wiki worker）、更新 Admin 可观测性与相关测试，降低首轮时延并提高运行稳定性。

Made-with: Cursor

openclaw/extensions/brave/index.ts

@@ -0,0 +1,11 @@
+import { definePluginEntry } from "openclaw/plugin-sdk/plugin-entry";
+import { createBraveWebSearchProvider } from "./src/brave-web-search-provider.js";
+
+export default definePluginEntry({
+  id: "brave",
+  name: "Brave Plugin",
+  description: "Bundled Brave plugin",
+  register(api) {
+    api.registerWebSearchProvider(createBraveWebSearchProvider());
+  },
+});

openclaw/extensions/brave/openclaw.plugin.json

@@ -0,0 +1,43 @@
+{
+  "id": "brave",
+  "providerAuthEnvVars": {
+    "brave": ["BRAVE_API_KEY"]
+  },
+  "uiHints": {
+    "webSearch.apiKey": {
+      "label": "Brave Search API Key",
+      "help": "Brave Search API key (fallback: BRAVE_API_KEY env var).",
+      "sensitive": true,
+      "placeholder": "BSA..."
+    },
+    "webSearch.mode": {
+      "label": "Brave Search Mode",
+      "help": "Brave Search mode: web or llm-context."
+    }
+  },
+  "contracts": {
+    "webSearchProviders": ["brave"]
+  },
+  "configContracts": {
+    "compatibilityRuntimePaths": ["tools.web.search.apiKey"]
+  },
+  "configSchema": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {
+      "webSearch": {
+        "type": "object",
+        "additionalProperties": false,
+        "properties": {
+          "apiKey": {
+            "type": ["string", "object"]
+          },
+          "mode": {
+            "type": "string",
+            "enum": ["web", "llm-context"]
+          }
+        }
+      }
+    }
+  }
+}

openclaw/extensions/brave/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "@openclaw/brave-plugin",
+  "version": "2026.4.20",
+  "private": true,
+  "description": "OpenClaw Brave plugin",
+  "type": "module",
+  "devDependencies": {
+    "@openclaw/plugin-sdk": "workspace:*"
+  },
+  "openclaw": {
+    "extensions": [
+      "./index.ts"
+    ]
+  }
+}

openclaw/extensions/brave/src/brave-web-search-provider.runtime.ts

@@ -0,0 +1,367 @@
+import type { SearchConfigRecord } from "openclaw/plugin-sdk/provider-web-search";
+import {
+  buildSearchCacheKey,
+  DEFAULT_SEARCH_COUNT,
+  formatCliCommand,
+  normalizeFreshness,
+  parseIsoDateRange,
+  readCachedSearchPayload,
+  readConfiguredSecretString,
+  readNumberParam,
+  readProviderEnvValue,
+  readStringParam,
+  resolveSearchCacheTtlMs,
+  resolveSearchCount,
+  resolveSearchTimeoutSeconds,
+  resolveSiteName,
+  withTrustedWebSearchEndpoint,
+  wrapWebContent,
+  writeCachedSearchPayload,
+} from "openclaw/plugin-sdk/provider-web-search";
+import {
+  type BraveLlmContextResponse,
+  mapBraveLlmContextResults,
+  normalizeBraveCountry,
+  normalizeBraveLanguageParams,
+  resolveBraveConfig,
+  resolveBraveMode,
+} from "./brave-web-search-provider.shared.js";
+
+const BRAVE_SEARCH_ENDPOINT = "https://api.search.brave.com/res/v1/web/search";
+const BRAVE_LLM_CONTEXT_ENDPOINT = "https://api.search.brave.com/res/v1/llm/context";
+
+type BraveSearchResult = {
+  title?: string;
+  url?: string;
+  description?: string;
+  age?: string;
+};
+
+type BraveSearchResponse = {
+  web?: {
+    results?: BraveSearchResult[];
+  };
+};
+
+function resolveBraveApiKey(searchConfig?: SearchConfigRecord): string | undefined {
+  return (
+    readConfiguredSecretString(searchConfig?.apiKey, "tools.web.search.apiKey") ??
+    readProviderEnvValue(["BRAVE_API_KEY"])
+  );
+}
+
+function missingBraveKeyPayload() {
+  return {
+    error: "missing_brave_api_key",
+    message: `web_search (brave) needs a Brave Search API key. Run \`${formatCliCommand("openclaw configure --section web")}\` to store it, or set BRAVE_API_KEY in the Gateway environment.`,
+    docs: "https://docs.openclaw.ai/tools/web",
+  };
+}
+
+async function runBraveLlmContextSearch(params: {
+  query: string;
+  apiKey: string;
+  timeoutSeconds: number;
+  country?: string;
+  search_lang?: string;
+  freshness?: string;
+}): Promise<{
+  results: Array<{
+    url: string;
+    title: string;
+    snippets: string[];
+    siteName?: string;
+  }>;
+  sources?: BraveLlmContextResponse["sources"];
+}> {
+  const url = new URL(BRAVE_LLM_CONTEXT_ENDPOINT);
+  url.searchParams.set("q", params.query);
+  if (params.country) {
+    url.searchParams.set("country", params.country);
+  }
+  if (params.search_lang) {
+    url.searchParams.set("search_lang", params.search_lang);
+  }
+  if (params.freshness) {
+    url.searchParams.set("freshness", params.freshness);
+  }
+
+  return withTrustedWebSearchEndpoint(
+    {
+      url: url.toString(),
+      timeoutSeconds: params.timeoutSeconds,
+      init: {
+        method: "GET",
+        headers: {
+          Accept: "application/json",
+          "X-Subscription-Token": params.apiKey,
+        },
+      },
+    },
+    async (response) => {
+      if (!response.ok) {
+        const detail = await response.text();
+        throw new Error(
+          `Brave LLM Context API error (${response.status}): ${detail || response.statusText}`,
+        );
+      }
+
+      const data = (await response.json()) as BraveLlmContextResponse;
+      return { results: mapBraveLlmContextResults(data), sources: data.sources };
+    },
+  );
+}
+
+async function runBraveWebSearch(params: {
+  query: string;
+  count: number;
+  apiKey: string;
+  timeoutSeconds: number;
+  country?: string;
+  search_lang?: string;
+  ui_lang?: string;
+  freshness?: string;
+  dateAfter?: string;
+  dateBefore?: string;
+}): Promise<Array<Record<string, unknown>>> {
+  const url = new URL(BRAVE_SEARCH_ENDPOINT);
+  url.searchParams.set("q", params.query);
+  url.searchParams.set("count", String(params.count));
+  if (params.country) {
+    url.searchParams.set("country", params.country);
+  }
+  if (params.search_lang) {
+    url.searchParams.set("search_lang", params.search_lang);
+  }
+  if (params.ui_lang) {
+    url.searchParams.set("ui_lang", params.ui_lang);
+  }
+  if (params.freshness) {
+    url.searchParams.set("freshness", params.freshness);
+  } else if (params.dateAfter && params.dateBefore) {
+    url.searchParams.set("freshness", `${params.dateAfter}to${params.dateBefore}`);
+  } else if (params.dateAfter) {
+    url.searchParams.set(
+      "freshness",
+      `${params.dateAfter}to${new Date().toISOString().slice(0, 10)}`,
+    );
+  } else if (params.dateBefore) {
+    url.searchParams.set("freshness", `1970-01-01to${params.dateBefore}`);
+  }
+
+  return withTrustedWebSearchEndpoint(
+    {
+      url: url.toString(),
+      timeoutSeconds: params.timeoutSeconds,
+      init: {
+        method: "GET",
+        headers: {
+          Accept: "application/json",
+          "X-Subscription-Token": params.apiKey,
+        },
+      },
+    },
+    async (response) => {
+      if (!response.ok) {
+        const detail = await response.text();
+        throw new Error(
+          `Brave Search API error (${response.status}): ${detail || response.statusText}`,
+        );
+      }
+
+      const data = (await response.json()) as BraveSearchResponse;
+      const results = Array.isArray(data.web?.results) ? (data.web?.results ?? []) : [];
+      return results.map((entry) => {
+        const description = entry.description ?? "";
+        const title = entry.title ?? "";
+        const url = entry.url ?? "";
+        return {
+          title: title ? wrapWebContent(title, "web_search") : "",
+          url,
+          description: description ? wrapWebContent(description, "web_search") : "",
+          published: entry.age || undefined,
+          siteName: resolveSiteName(url) || undefined,
+        };
+      });
+    },
+  );
+}
+
+export async function executeBraveSearch(
+  args: Record<string, unknown>,
+  searchConfig?: SearchConfigRecord,
+): Promise<Record<string, unknown>> {
+  const apiKey = resolveBraveApiKey(searchConfig);
+  if (!apiKey) {
+    return missingBraveKeyPayload();
+  }
+
+  const braveConfig = resolveBraveConfig(searchConfig);
+  const braveMode = resolveBraveMode(braveConfig);
+  const query = readStringParam(args, "query", { required: true });
+  const count =
+    readNumberParam(args, "count", { integer: true }) ?? searchConfig?.maxResults ?? undefined;
+  const country = normalizeBraveCountry(readStringParam(args, "country"));
+  const language = readStringParam(args, "language");
+  const search_lang = readStringParam(args, "search_lang");
+  const ui_lang = readStringParam(args, "ui_lang");
+  const normalizedLanguage = normalizeBraveLanguageParams({
+    search_lang: search_lang || language,
+    ui_lang,
+  });
+
+  if (normalizedLanguage.invalidField === "search_lang") {
+    return {
+      error: "invalid_search_lang",
+      message:
+        "search_lang must be a Brave-supported language code like 'en', 'en-gb', 'zh-hans', or 'zh-hant'.",
+      docs: "https://docs.openclaw.ai/tools/web",
+    };
+  }
+  if (normalizedLanguage.invalidField === "ui_lang") {
+    return {
+      error: "invalid_ui_lang",
+      message: "ui_lang must be a language-region locale like 'en-US'.",
+      docs: "https://docs.openclaw.ai/tools/web",
+    };
+  }
+  if (normalizedLanguage.ui_lang && braveMode === "llm-context") {
+    return {
+      error: "unsupported_ui_lang",
+      message:
+        "ui_lang is not supported by Brave llm-context mode. Remove ui_lang or use Brave web mode for locale-based UI hints.",
+      docs: "https://docs.openclaw.ai/tools/web",
+    };
+  }
+
+  const rawFreshness = readStringParam(args, "freshness");
+  if (rawFreshness && braveMode === "llm-context") {
+    return {
+      error: "unsupported_freshness",
+      message:
+        "freshness filtering is not supported by Brave llm-context mode. Remove freshness or use Brave web mode.",
+      docs: "https://docs.openclaw.ai/tools/web",
+    };
+  }
+  const freshness = rawFreshness ? normalizeFreshness(rawFreshness, "brave") : undefined;
+  if (rawFreshness && !freshness) {
+    return {
+      error: "invalid_freshness",
+      message: "freshness must be day, week, month, or year.",
+      docs: "https://docs.openclaw.ai/tools/web",
+    };
+  }
+
+  const rawDateAfter = readStringParam(args, "date_after");
+  const rawDateBefore = readStringParam(args, "date_before");
+  if (rawFreshness && (rawDateAfter || rawDateBefore)) {
+    return {
+      error: "conflicting_time_filters",
+      message:
+        "freshness and date_after/date_before cannot be used together. Use either freshness (day/week/month/year) or a date range (date_after/date_before), not both.",
+      docs: "https://docs.openclaw.ai/tools/web",
+    };
+  }
+  if ((rawDateAfter || rawDateBefore) && braveMode === "llm-context") {
+    return {
+      error: "unsupported_date_filter",
+      message:
+        "date_after/date_before filtering is not supported by Brave llm-context mode. Use Brave web mode for date filters.",
+      docs: "https://docs.openclaw.ai/tools/web",
+    };
+  }
+
+  const parsedDateRange = parseIsoDateRange({
+    rawDateAfter,
+    rawDateBefore,
+    invalidDateAfterMessage: "date_after must be YYYY-MM-DD format.",
+    invalidDateBeforeMessage: "date_before must be YYYY-MM-DD format.",
+    invalidDateRangeMessage: "date_after must be before date_before.",
+  });
+  if ("error" in parsedDateRange) {
+    return parsedDateRange;
+  }
+
+  const { dateAfter, dateBefore } = parsedDateRange;
+  const cacheKey = buildSearchCacheKey([
+    "brave",
+    braveMode,
+    query,
+    resolveSearchCount(count, DEFAULT_SEARCH_COUNT),
+    country,
+    normalizedLanguage.search_lang,
+    normalizedLanguage.ui_lang,
+    freshness,
+    dateAfter,
+    dateBefore,
+  ]);
+  const cached = readCachedSearchPayload(cacheKey);
+  if (cached) {
+    return cached;
+  }
+
+  const start = Date.now();
+  const timeoutSeconds = resolveSearchTimeoutSeconds(searchConfig);
+  const cacheTtlMs = resolveSearchCacheTtlMs(searchConfig);
+
+  if (braveMode === "llm-context") {
+    const { results, sources } = await runBraveLlmContextSearch({
+      query,
+      apiKey,
+      timeoutSeconds,
+      country: country ?? undefined,
+      search_lang: normalizedLanguage.search_lang,
+      freshness,
+    });
+    const payload = {
+      query,
+      provider: "brave",
+      mode: "llm-context" as const,
+      count: results.length,
+      tookMs: Date.now() - start,
+      externalContent: {
+        untrusted: true,
+        source: "web_search",
+        provider: "brave",
+        wrapped: true,
+      },
+      results: results.map((entry) => ({
+        title: entry.title ? wrapWebContent(entry.title, "web_search") : "",
+        url: entry.url,
+        snippets: entry.snippets.map((snippet) => wrapWebContent(snippet, "web_search")),
+        siteName: entry.siteName,
+      })),
+      sources,
+    };
+    writeCachedSearchPayload(cacheKey, payload, cacheTtlMs);
+    return payload;
+  }
+
+  const results = await runBraveWebSearch({
+    query,
+    count: resolveSearchCount(count, DEFAULT_SEARCH_COUNT),
+    apiKey,
+    timeoutSeconds,
+    country: country ?? undefined,
+    search_lang: normalizedLanguage.search_lang,
+    ui_lang: normalizedLanguage.ui_lang,
+    freshness,
+    dateAfter,
+    dateBefore,
+  });
+  const payload = {
+    query,
+    provider: "brave",
+    count: results.length,
+    tookMs: Date.now() - start,
+    externalContent: {
+      untrusted: true,
+      source: "web_search",
+      provider: "brave",
+      wrapped: true,
+    },
+    results,
+  };
+  writeCachedSearchPayload(cacheKey, payload, cacheTtlMs);
+  return payload;
+}

openclaw/extensions/brave/src/brave-web-search-provider.shared.ts

@@ -0,0 +1,279 @@
+import { Type } from "@sinclair/typebox";
+import {
+  normalizeLowercaseStringOrEmpty,
+  normalizeOptionalString,
+} from "openclaw/plugin-sdk/text-runtime";
+
+export type BraveConfig = {
+  mode?: string;
+};
+
+export type BraveLlmContextResult = { url: string; title: string; snippets: string[] };
+export type BraveLlmContextResponse = {
+  grounding: { generic?: BraveLlmContextResult[] };
+  sources?: { url?: string; hostname?: string; date?: string }[];
+};
+
+const BRAVE_COUNTRY_CODES = new Set([
+  "AR",
+  "AU",
+  "AT",
+  "BE",
+  "BR",
+  "CA",
+  "CL",
+  "DK",
+  "FI",
+  "FR",
+  "DE",
+  "GR",
+  "HK",
+  "IN",
+  "ID",
+  "IT",
+  "JP",
+  "KR",
+  "MY",
+  "MX",
+  "NL",
+  "NZ",
+  "NO",
+  "CN",
+  "PL",
+  "PT",
+  "PH",
+  "RU",
+  "SA",
+  "ZA",
+  "ES",
+  "SE",
+  "CH",
+  "TW",
+  "TR",
+  "GB",
+  "US",
+  "ALL",
+]);
+
+const BRAVE_SEARCH_LANG_CODES = new Set([
+  "ar",
+  "eu",
+  "bn",
+  "bg",
+  "ca",
+  "zh-hans",
+  "zh-hant",
+  "hr",
+  "cs",
+  "da",
+  "nl",
+  "en",
+  "en-gb",
+  "et",
+  "fi",
+  "fr",
+  "gl",
+  "de",
+  "el",
+  "gu",
+  "he",
+  "hi",
+  "hu",
+  "is",
+  "it",
+  "jp",
+  "kn",
+  "ko",
+  "lv",
+  "lt",
+  "ms",
+  "ml",
+  "mr",
+  "nb",
+  "pl",
+  "pt-br",
+  "pt-pt",
+  "pa",
+  "ro",
+  "ru",
+  "sr",
+  "sk",
+  "sl",
+  "es",
+  "sv",
+  "ta",
+  "te",
+  "th",
+  "tr",
+  "uk",
+  "vi",
+]);
+
+const BRAVE_SEARCH_LANG_ALIASES: Record<string, string> = {
+  ja: "jp",
+  zh: "zh-hans",
+  "zh-cn": "zh-hans",
+  "zh-hk": "zh-hant",
+  "zh-sg": "zh-hans",
+  "zh-tw": "zh-hant",
+};
+
+const BRAVE_UI_LANG_LOCALE = /^([a-z]{2})-([a-z]{2})$/i;
+const MAX_BRAVE_SEARCH_COUNT = 10;
+
+function normalizeBraveSearchLang(value: string | undefined): string | undefined {
+  if (!value) {
+    return undefined;
+  }
+  const trimmed = value.trim();
+  if (!trimmed) {
+    return undefined;
+  }
+  const lower = normalizeLowercaseStringOrEmpty(trimmed);
+  const canonical = BRAVE_SEARCH_LANG_ALIASES[lower] ?? lower;
+  if (!BRAVE_SEARCH_LANG_CODES.has(canonical)) {
+    return undefined;
+  }
+  return canonical;
+}
+
+export function normalizeBraveCountry(value: string | undefined): string | undefined {
+  if (!value) {
+    return undefined;
+  }
+  const trimmed = value.trim();
+  if (!trimmed) {
+    return undefined;
+  }
+  const canonical = trimmed.toUpperCase();
+  return BRAVE_COUNTRY_CODES.has(canonical) ? canonical : "ALL";
+}
+
+function normalizeBraveUiLang(value: string | undefined): string | undefined {
+  if (!value) {
+    return undefined;
+  }
+  const trimmed = value.trim();
+  if (!trimmed) {
+    return undefined;
+  }
+  const match = trimmed.match(BRAVE_UI_LANG_LOCALE);
+  if (!match) {
+    return undefined;
+  }
+  const [, language, region] = match;
+  return `${normalizeLowercaseStringOrEmpty(language)}-${region.toUpperCase()}`;
+}
+
+export function resolveBraveConfig(searchConfig?: Record<string, unknown>): BraveConfig {
+  const brave = searchConfig?.brave;
+  return brave && typeof brave === "object" && !Array.isArray(brave) ? (brave as BraveConfig) : {};
+}
+
+export function resolveBraveMode(brave?: BraveConfig): "web" | "llm-context" {
+  return brave?.mode === "llm-context" ? "llm-context" : "web";
+}
+
+export function normalizeBraveLanguageParams(params: { search_lang?: string; ui_lang?: string }): {
+  search_lang?: string;
+  ui_lang?: string;
+  invalidField?: "search_lang" | "ui_lang";
+} {
+  const rawSearchLang = normalizeOptionalString(params.search_lang);
+  const rawUiLang = normalizeOptionalString(params.ui_lang);
+  let searchLangCandidate = rawSearchLang;
+  let uiLangCandidate = rawUiLang;
+
+  if (normalizeBraveUiLang(rawSearchLang) && normalizeBraveSearchLang(rawUiLang)) {
+    searchLangCandidate = rawUiLang;
+    uiLangCandidate = rawSearchLang;
+  }
+
+  const search_lang = normalizeBraveSearchLang(searchLangCandidate);
+  if (searchLangCandidate && !search_lang) {
+    return { invalidField: "search_lang" };
+  }
+
+  const ui_lang = normalizeBraveUiLang(uiLangCandidate);
+  if (uiLangCandidate && !ui_lang) {
+    return { invalidField: "ui_lang" };
+  }
+
+  return { search_lang, ui_lang };
+}
+
+function resolveSiteName(url: string | undefined): string | undefined {
+  if (!url) {
+    return undefined;
+  }
+  try {
+    return new URL(url).hostname;
+  } catch {
+    return undefined;
+  }
+}
+
+export function mapBraveLlmContextResults(
+  data: BraveLlmContextResponse,
+): { url: string; title: string; snippets: string[]; siteName?: string }[] {
+  const genericResults = Array.isArray(data.grounding?.generic) ? data.grounding.generic : [];
+  return genericResults.map((entry) => ({
+    url: entry.url ?? "",
+    title: entry.title ?? "",
+    snippets: (entry.snippets ?? []).filter(
+      (snippet) => typeof snippet === "string" && snippet.length > 0,
+    ),
+    siteName: resolveSiteName(entry.url) || undefined,
+  }));
+}
+
+export function createBraveSchema() {
+  return Type.Object({
+    query: Type.String({ description: "Search query string." }),
+    count: Type.Optional(
+      Type.Number({
+        description: "Number of results to return (1-10).",
+        minimum: 1,
+        maximum: MAX_BRAVE_SEARCH_COUNT,
+      }),
+    ),
+    country: Type.Optional(
+      Type.String({
+        description:
+          "2-letter country code for region-specific results (e.g., 'DE', 'US', 'ALL'). Default: 'US'.",
+      }),
+    ),
+    language: Type.Optional(
+      Type.String({
+        description: "ISO 639-1 language code for results (e.g., 'en', 'de', 'fr').",
+      }),
+    ),
+    freshness: Type.Optional(
+      Type.String({
+        description: "Filter by time: 'day' (24h), 'week', 'month', or 'year'.",
+      }),
+    ),
+    date_after: Type.Optional(
+      Type.String({
+        description: "Only results published after this date (YYYY-MM-DD).",
+      }),
+    ),
+    date_before: Type.Optional(
+      Type.String({
+        description: "Only results published before this date (YYYY-MM-DD).",
+      }),
+    ),
+    search_lang: Type.Optional(
+      Type.String({
+        description:
+          "Brave language code for search results (e.g., 'en', 'de', 'en-gb', 'zh-hans', 'zh-hant', 'pt-br').",
+      }),
+    ),
+    ui_lang: Type.Optional(
+      Type.String({
+        description:
+          "Locale code for UI elements in language-region format (e.g., 'en-US', 'de-DE', 'fr-FR', 'tr-TR'). Must include region subtag.",
+      }),
+    ),
+  });
+}

openclaw/extensions/brave/src/brave-web-search-provider.test.ts

@@ -0,0 +1,193 @@
+import fs from "node:fs";
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { validateJsonSchemaValue } from "../../../src/plugins/schema-validator.js";
+import { __testing } from "../test-api.js";
+import { createBraveWebSearchProvider } from "./brave-web-search-provider.js";
+
+const braveManifest = JSON.parse(
+  fs.readFileSync(new URL("../openclaw.plugin.json", import.meta.url), "utf-8"),
+) as {
+  configSchema?: Record<string, unknown>;
+};
+
+describe("brave web search provider", () => {
+  const priorFetch = global.fetch;
+
+  afterEach(() => {
+    vi.unstubAllEnvs();
+    global.fetch = priorFetch;
+  });
+
+  it("normalizes brave language parameters and swaps reversed ui/search inputs", () => {
+    expect(
+      __testing.normalizeBraveLanguageParams({
+        search_lang: "en-US",
+        ui_lang: "ja",
+      }),
+    ).toEqual({
+      search_lang: "jp",
+      ui_lang: "en-US",
+    });
+    expect(__testing.normalizeBraveLanguageParams({ search_lang: "tr-TR", ui_lang: "tr" })).toEqual(
+      {
+        search_lang: "tr",
+        ui_lang: "tr-TR",
+      },
+    );
+    expect(__testing.normalizeBraveLanguageParams({ search_lang: "EN", ui_lang: "en-us" })).toEqual(
+      {
+        search_lang: "en",
+        ui_lang: "en-US",
+      },
+    );
+  });
+
+  it("flags invalid brave language fields", () => {
+    expect(
+      __testing.normalizeBraveLanguageParams({
+        search_lang: "xx",
+      }),
+    ).toEqual({ invalidField: "search_lang" });
+    expect(__testing.normalizeBraveLanguageParams({ search_lang: "en-US" })).toEqual({
+      invalidField: "search_lang",
+    });
+    expect(__testing.normalizeBraveLanguageParams({ ui_lang: "en" })).toEqual({
+      invalidField: "ui_lang",
+    });
+  });
+
+  it("normalizes Brave country codes and falls back unsupported values to ALL", () => {
+    expect(__testing.normalizeBraveCountry("de")).toBe("DE");
+    expect(__testing.normalizeBraveCountry(" VN ")).toBe("ALL");
+    expect(__testing.normalizeBraveCountry("")).toBeUndefined();
+  });
+
+  it("defaults brave mode to web unless llm-context is explicitly selected", () => {
+    expect(__testing.resolveBraveMode()).toBe("web");
+    expect(__testing.resolveBraveMode({ mode: "llm-context" })).toBe("llm-context");
+  });
+
+  it("accepts llm-context in the Brave plugin config schema", () => {
+    if (!braveManifest.configSchema) {
+      throw new Error("Expected Brave manifest config schema");
+    }
+
+    const result = validateJsonSchemaValue({
+      schema: braveManifest.configSchema,
+      cacheKey: "test:brave-config-schema",
+      value: {
+        webSearch: {
+          mode: "llm-context",
+        },
+      },
+    });
+
+    expect(result.ok).toBe(true);
+  });
+
+  it("rejects invalid Brave mode values in the plugin config schema", () => {
+    if (!braveManifest.configSchema) {
+      throw new Error("Expected Brave manifest config schema");
+    }
+
+    const result = validateJsonSchemaValue({
+      schema: braveManifest.configSchema,
+      cacheKey: "test:brave-config-schema",
+      value: {
+        webSearch: {
+          mode: "invalid-mode",
+        },
+      },
+    });
+
+    expect(result.ok).toBe(false);
+    if (result.ok) {
+      return;
+    }
+    expect(result.errors).toContainEqual(
+      expect.objectContaining({
+        path: "webSearch.mode",
+        allowedValues: ["web", "llm-context"],
+      }),
+    );
+  });
+
+  it("maps llm-context results into wrapped source entries", () => {
+    expect(
+      __testing.mapBraveLlmContextResults({
+        grounding: {
+          generic: [
+            {
+              url: "https://example.com/post",
+              title: "Example",
+              snippets: ["a", "", "b"],
+            },
+          ],
+        },
+      }),
+    ).toEqual([
+      {
+        url: "https://example.com/post",
+        title: "Example",
+        snippets: ["a", "b"],
+        siteName: "example.com",
+      },
+    ]);
+  });
+
+  it("returns validation errors for invalid date ranges", async () => {
+    vi.stubEnv("BRAVE_API_KEY", "");
+    const provider = createBraveWebSearchProvider();
+    const tool = provider.createTool({
+      config: {},
+      searchConfig: {
+        apiKey: "BSA...",
+        brave: { apiKey: "BSA..." },
+      },
+    });
+    if (!tool) {
+      throw new Error("Expected tool definition");
+    }
+
+    const result = await tool.execute({
+      query: "latest gpu news",
+      date_after: "2026-03-20",
+      date_before: "2026-03-01",
+    });
+
+    expect(result).toMatchObject({
+      error: "invalid_date_range",
+    });
+  });
+
+  it("falls back unsupported country values before calling Brave", async () => {
+    vi.stubEnv("BRAVE_API_KEY", "test-key");
+    const mockFetch = vi.fn(async (_input?: unknown, _init?: unknown) => {
+      return {
+        ok: true,
+        json: async () => ({ web: { results: [] } }),
+      } as Response;
+    });
+    global.fetch = mockFetch as typeof global.fetch;
+
+    const provider = createBraveWebSearchProvider();
+    const tool = provider.createTool({
+      config: {},
+      searchConfig: {
+        apiKey: "BSA...",
+        brave: { apiKey: "BSA..." },
+      },
+    });
+    if (!tool) {
+      throw new Error("Expected tool definition");
+    }
+
+    await tool.execute({
+      query: "latest Vietnam news",
+      country: "VN",
+    });
+
+    const requestUrl = new URL(String(mockFetch.mock.calls[0]?.[0]));
+    expect(requestUrl.searchParams.get("country")).toBe("ALL");
+  });
+});

openclaw/extensions/brave/src/brave-web-search-provider.ts

@@ -0,0 +1,158 @@
+import type {
+  SearchConfigRecord,
+  WebSearchProviderPlugin,
+  WebSearchProviderToolDefinition,
+} from "openclaw/plugin-sdk/provider-web-search";
+import { createWebSearchProviderContractFields } from "openclaw/plugin-sdk/provider-web-search-config-contract";
+
+const BRAVE_CREDENTIAL_PATH = "plugins.entries.brave.config.webSearch.apiKey";
+
+type BraveWebSearchRuntime = typeof import("./brave-web-search-provider.runtime.js");
+
+let braveWebSearchRuntimePromise: Promise<BraveWebSearchRuntime> | undefined;
+
+function loadBraveWebSearchRuntime(): Promise<BraveWebSearchRuntime> {
+  braveWebSearchRuntimePromise ??= import("./brave-web-search-provider.runtime.js");
+  return braveWebSearchRuntimePromise;
+}
+
+const BraveSearchSchema = {
+  type: "object",
+  properties: {
+    query: { type: "string", description: "Search query string." },
+    count: {
+      type: "number",
+      description: "Number of results to return (1-10).",
+      minimum: 1,
+      maximum: 10,
+    },
+    country: {
+      type: "string",
+      description:
+        "2-letter country code for region-specific results (e.g., 'DE', 'US', 'ALL'). Default: 'US'.",
+    },
+    language: {
+      type: "string",
+      description: "ISO 639-1 language code for results (e.g., 'en', 'de', 'fr').",
+    },
+    freshness: {
+      type: "string",
+      description: "Filter by time: 'day' (24h), 'week', 'month', or 'year'.",
+    },
+    date_after: {
+      type: "string",
+      description: "Only results published after this date (YYYY-MM-DD).",
+    },
+    date_before: {
+      type: "string",
+      description: "Only results published before this date (YYYY-MM-DD).",
+    },
+    search_lang: {
+      type: "string",
+      description:
+        "Brave language code for search results (e.g., 'en', 'de', 'en-gb', 'zh-hans', 'zh-hant', 'pt-br').",
+    },
+    ui_lang: {
+      type: "string",
+      description:
+        "Locale code for UI elements in language-region format (e.g., 'en-US', 'de-DE', 'fr-FR', 'tr-TR'). Must include region subtag.",
+    },
+  },
+} satisfies Record<string, unknown>;
+
+function isRecord(value: unknown): value is Record<string, unknown> {
+  return typeof value === "object" && value !== null && !Array.isArray(value);
+}
+
+function resolveProviderWebSearchPluginConfig(
+  config: unknown,
+  pluginId: string,
+): Record<string, unknown> | undefined {
+  if (!isRecord(config)) {
+    return undefined;
+  }
+  const plugins = isRecord(config.plugins) ? config.plugins : undefined;
+  const entries = isRecord(plugins?.entries) ? plugins.entries : undefined;
+  const entry = isRecord(entries?.[pluginId]) ? entries[pluginId] : undefined;
+  const pluginConfig = isRecord(entry?.config) ? entry.config : undefined;
+  return isRecord(pluginConfig?.webSearch) ? pluginConfig.webSearch : undefined;
+}
+
+function mergeScopedSearchConfig(
+  searchConfig: Record<string, unknown> | undefined,
+  key: string,
+  pluginConfig: Record<string, unknown> | undefined,
+  options?: { mirrorApiKeyToTopLevel?: boolean },
+): Record<string, unknown> | undefined {
+  if (!pluginConfig) {
+    return searchConfig;
+  }
+
+  const currentScoped = isRecord(searchConfig?.[key]) ? searchConfig?.[key] : {};
+  const next: Record<string, unknown> = {
+    ...searchConfig,
+    [key]: {
+      ...currentScoped,
+      ...pluginConfig,
+    },
+  };
+
+  if (options?.mirrorApiKeyToTopLevel && pluginConfig.apiKey !== undefined) {
+    next.apiKey = pluginConfig.apiKey;
+  }
+
+  return next;
+}
+
+function resolveBraveMode(searchConfig?: Record<string, unknown>): "web" | "llm-context" {
+  const brave = isRecord(searchConfig?.brave) ? searchConfig.brave : undefined;
+  return brave?.mode === "llm-context" ? "llm-context" : "web";
+}
+
+function createBraveToolDefinition(
+  searchConfig?: SearchConfigRecord,
+): WebSearchProviderToolDefinition {
+  const braveMode = resolveBraveMode(searchConfig);
+
+  return {
+    description:
+      braveMode === "llm-context"
+        ? "Search the web using Brave Search LLM Context API. Returns pre-extracted page content (text chunks, tables, code blocks) optimized for LLM grounding."
+        : "Search the web using Brave Search API. Supports region-specific and localized search via country and language parameters. Returns titles, URLs, and snippets for fast research.",
+    parameters: BraveSearchSchema,
+    execute: async (args) => {
+      const { executeBraveSearch } = await loadBraveWebSearchRuntime();
+      return await executeBraveSearch(args, searchConfig);
+    },
+  };
+}
+
+export function createBraveWebSearchProvider(): WebSearchProviderPlugin {
+  return {
+    id: "brave",
+    label: "Brave Search",
+    hint: "Structured results · country/language/time filters",
+    onboardingScopes: ["text-inference"],
+    credentialLabel: "Brave Search API key",
+    envVars: ["BRAVE_API_KEY"],
+    placeholder: "BSA...",
+    signupUrl: "https://brave.com/search/api/",
+    docsUrl: "https://docs.openclaw.ai/brave-search",
+    autoDetectOrder: 10,
+    credentialPath: BRAVE_CREDENTIAL_PATH,
+    ...createWebSearchProviderContractFields({
+      credentialPath: BRAVE_CREDENTIAL_PATH,
+      searchCredential: { type: "top-level" },
+      configuredCredential: { pluginId: "brave" },
+    }),
+    createTool: (ctx) =>
+      createBraveToolDefinition(
+        mergeScopedSearchConfig(
+          ctx.searchConfig,
+          "brave",
+          resolveProviderWebSearchPluginConfig(ctx.config, "brave"),
+          { mirrorApiKeyToTopLevel: true },
+        ),
+      ),
+  };
+}

openclaw/extensions/brave/test-api.ts

@@ -0,0 +1,13 @@
+import {
+  mapBraveLlmContextResults,
+  normalizeBraveCountry,
+  normalizeBraveLanguageParams,
+  resolveBraveMode,
+} from "./src/brave-web-search-provider.shared.js";
+
+export const __testing = {
+  normalizeBraveCountry,
+  normalizeBraveLanguageParams,
+  resolveBraveMode,
+  mapBraveLlmContextResults,
+} as const;

openclaw/extensions/brave/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "extends": "../tsconfig.package-boundary.base.json",
+  "compilerOptions": {
+    "rootDir": "."
+  },
+  "include": ["./*.ts", "./src/**/*.ts"],
+  "exclude": [
+    "./**/*.test.ts",
+    "./dist/**",
+    "./node_modules/**",
+    "./src/test-support/**",
+    "./src/**/*test-helpers.ts",
+    "./src/**/*test-harness.ts",
+    "./src/**/*test-support.ts"
+  ]
+}

openclaw/extensions/brave/web-search-contract-api.ts

@@ -0,0 +1,28 @@
+import {
+  createWebSearchProviderContractFields,
+  type WebSearchProviderPlugin,
+} from "openclaw/plugin-sdk/provider-web-search-config-contract";
+
+export function createBraveWebSearchProvider(): WebSearchProviderPlugin {
+  const credentialPath = "plugins.entries.brave.config.webSearch.apiKey";
+
+  return {
+    id: "brave",
+    label: "Brave Search",
+    hint: "Structured results · country/language/time filters",
+    onboardingScopes: ["text-inference"],
+    credentialLabel: "Brave Search API key",
+    envVars: ["BRAVE_API_KEY"],
+    placeholder: "BSA...",
+    signupUrl: "https://brave.com/search/api/",
+    docsUrl: "https://docs.openclaw.ai/brave-search",
+    autoDetectOrder: 10,
+    credentialPath,
+    ...createWebSearchProviderContractFields({
+      credentialPath,
+      searchCredential: { type: "top-level" },
+      configuredCredential: { pluginId: "brave" },
+    }),
+    createTool: () => null,
+  };
+}

openclaw/extensions/brave/web-search-provider.ts

@@ -0,0 +1 @@
+export { createBraveWebSearchProvider } from "./src/brave-web-search-provider.js";