feat(research): Implement research APIs.
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@@ -68,7 +68,7 @@ export class AnthropicProvider extends MultiModalModel {
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// If we have a complete message, send it to Anthropic
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if (currentMessage) {
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const stream = await this.anthropicApiClient.messages.create({
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model: 'claude-3-opus-20240229',
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model: 'claude-sonnet-4-5-20250929',
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messages: [{ role: currentMessage.role, content: currentMessage.content }],
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system: '',
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stream: true,
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@@ -112,7 +112,7 @@ export class AnthropicProvider extends MultiModalModel {
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}));
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const result = await this.anthropicApiClient.messages.create({
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model: 'claude-3-opus-20240229',
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model: 'claude-sonnet-4-5-20250929',
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system: optionsArg.systemMessage,
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messages: [
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...messages,
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@@ -159,7 +159,7 @@ export class AnthropicProvider extends MultiModalModel {
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];
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const result = await this.anthropicApiClient.messages.create({
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model: 'claude-3-opus-20240229',
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model: 'claude-sonnet-4-5-20250929',
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messages: [{
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role: 'user',
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content
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@@ -218,7 +218,7 @@ export class AnthropicProvider extends MultiModalModel {
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}
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const result = await this.anthropicApiClient.messages.create({
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model: 'claude-3-opus-20240229',
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model: 'claude-sonnet-4-5-20250929',
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system: optionsArg.systemMessage,
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messages: [
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...messages,
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@@ -251,23 +251,27 @@ export class AnthropicProvider extends MultiModalModel {
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try {
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// Build the tool configuration for web search
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const tools = this.options.enableWebSearch ? [
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{
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type: 'web_search_20250305' as const,
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name: 'web_search',
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description: 'Search the web for current information',
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input_schema: {
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type: 'object' as const,
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properties: {
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query: {
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type: 'string',
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description: 'The search query'
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}
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},
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required: ['query']
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}
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const tools: any[] = [];
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if (this.options.enableWebSearch) {
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const webSearchTool: any = {
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type: 'web_search_20250305',
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name: 'web_search'
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};
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// Add optional parameters
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if (optionsArg.maxSources) {
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webSearchTool.max_uses = optionsArg.maxSources;
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}
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] : [];
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if (this.options.searchDomainAllowList?.length) {
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webSearchTool.allowed_domains = this.options.searchDomainAllowList;
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} else if (this.options.searchDomainBlockList?.length) {
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webSearchTool.blocked_domains = this.options.searchDomainBlockList;
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}
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tools.push(webSearchTool);
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}
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// Configure the request based on search depth
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const maxTokens = optionsArg.searchDepth === 'deep' ? 8192 :
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@@ -275,7 +279,7 @@ export class AnthropicProvider extends MultiModalModel {
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// Create the research request
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const requestParams: any = {
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model: 'claude-3-opus-20240229',
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model: 'claude-sonnet-4-5-20250929',
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system: systemMessage,
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messages: [
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{
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@@ -290,7 +294,6 @@ export class AnthropicProvider extends MultiModalModel {
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// Add tools if web search is enabled
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if (tools.length > 0) {
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requestParams.tools = tools;
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requestParams.tool_choice = { type: 'auto' };
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}
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// Execute the research request
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@@ -304,54 +307,71 @@ export class AnthropicProvider extends MultiModalModel {
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// Process content blocks
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for (const block of result.content) {
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if ('text' in block) {
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// Accumulate text content
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answer += block.text;
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// Extract citations if present
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if ('citations' in block && Array.isArray(block.citations)) {
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for (const citation of block.citations) {
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if (citation.type === 'web_search_result_location') {
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sources.push({
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title: citation.title || '',
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url: citation.url || '',
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snippet: citation.cited_text || ''
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});
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}
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}
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}
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} else if ('type' in block && block.type === 'server_tool_use') {
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// Extract search queries from server tool use
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if (block.name === 'web_search' && block.input && typeof block.input === 'object' && 'query' in block.input) {
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searchQueries.push((block.input as any).query);
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}
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} else if ('type' in block && block.type === 'web_search_tool_result') {
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// Extract sources from web search results
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if (Array.isArray(block.content)) {
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for (const result of block.content) {
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if (result.type === 'web_search_result') {
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// Only add if not already in sources (avoid duplicates from citations)
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if (!sources.some(s => s.url === result.url)) {
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sources.push({
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title: result.title || '',
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url: result.url || '',
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snippet: '' // Search results don't include snippets, only citations do
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});
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}
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}
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}
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}
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}
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}
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// Parse sources from the answer (Claude includes citations in various formats)
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const urlRegex = /\[([^\]]+)\]\(([^)]+)\)/g;
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let match: RegExpExecArray | null;
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// Fallback: Parse markdown-style links if no citations found
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if (sources.length === 0) {
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const urlRegex = /\[([^\]]+)\]\(([^)]+)\)/g;
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let match: RegExpExecArray | null;
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while ((match = urlRegex.exec(answer)) !== null) {
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sources.push({
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title: match[1],
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url: match[2],
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snippet: ''
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});
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}
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// Also look for plain URLs
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const plainUrlRegex = /https?:\/\/[^\s\)]+/g;
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const plainUrls = answer.match(plainUrlRegex) || [];
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for (const url of plainUrls) {
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// Check if this URL is already in sources
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if (!sources.some(s => s.url === url)) {
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while ((match = urlRegex.exec(answer)) !== null) {
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sources.push({
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title: new URL(url).hostname,
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url: url,
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title: match[1],
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url: match[2],
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snippet: ''
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});
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}
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}
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// Extract tool use information if available
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if ('tool_use' in result && Array.isArray(result.tool_use)) {
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for (const toolUse of result.tool_use) {
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if (toolUse.name === 'web_search' && toolUse.input?.query) {
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searchQueries.push(toolUse.input.query);
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}
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}
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}
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// Check if web search was used based on usage info
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const webSearchCount = result.usage?.server_tool_use?.web_search_requests || 0;
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return {
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answer,
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sources,
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searchQueries: searchQueries.length > 0 ? searchQueries : undefined,
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metadata: {
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model: 'claude-3-opus-20240229',
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model: 'claude-sonnet-4-5-20250929',
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searchDepth: optionsArg.searchDepth || 'basic',
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tokensUsed: result.usage?.output_tokens
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tokensUsed: result.usage?.output_tokens,
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webSearchesPerformed: webSearchCount
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}
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};
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} catch (error) {
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