Improve chat navigation, model selection, and streaming

services/chat/tools/firecrawl-web-fetch.ts

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+import { tool } from 'ai';
+import { z } from 'zod';
+
+export const firecrawlWebFetch = tool({
+  description:
+    'Fetch a web page and return its content as markdown. Use this tool when the user asks to read, summarize, or extract information from a URL.',
+  inputSchema: z.object({
+    url: z.string().url().describe('The URL of the web page to fetch'),
+  }),
+  execute: async ({ url }, { abortSignal }) => {
+    try {
+      const response = await fetch('https://api.firecrawl.dev/v1/scrape', {
+        method: 'POST',
+        signal: abortSignal,
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${process.env.FIRECRAWL_API_KEY!}`,
+        },
+        body: JSON.stringify({
+          url,
+          formats: ['markdown'],
+        }),
+      });
+
+      if (!response.ok) {
+        const errorText = await response.text();
+        return { success: false, error: `Firecrawl API error: ${errorText}` };
+      }
+
+      const data = await response.json();
+
+      if (!data?.data?.markdown) {
+        return { success: false, error: 'No content retrieved for this URL' };
+      }
+
+      return { success: true, markdown: data.data.markdown };
+    } catch (error) {
+      console.error('Error fetching web page:', error);
+      return {
+        success: false,
+        error:
+          error instanceof Error ? error.message : 'Failed to fetch web page',
+      };
+    }
+  },
+});

services/chat/tools/firecrawl-web-search.ts

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+import { tool } from 'ai';
+import { z } from 'zod';
+
+export const firecrawlWebSearch = tool({
+  description:
+    'Search the web and return results as markdown. Use this tool when the user asks to search for information on the web.',
+  inputSchema: z.object({
+    query: z.string().describe('The search query'),
+    limit: z
+      .number()
+      .min(1)
+      .max(10)
+      .default(3)
+      .describe('Number of results to return (max 10)'),
+  }),
+  execute: async ({ query, limit }, { abortSignal }) => {
+    try {
+      const response = await fetch('https://api.firecrawl.dev/v1/search', {
+        method: 'POST',
+        signal: abortSignal,
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${process.env.FIRECRAWL_API_KEY!}`,
+        },
+        body: JSON.stringify({
+          query,
+          limit,
+          scrapeOptions: { formats: ['markdown'] },
+        }),
+      });
+
+      if (!response.ok) {
+        const errorText = await response.text();
+        return { success: false, error: `Firecrawl API error: ${errorText}` };
+      }
+
+      const data = await response.json();
+
+      if (!data?.success || !data?.data) {
+        return { success: false, error: 'No results found for this query' };
+      }
+
+      return { success: true, results: data.data };
+    } catch (error) {
+      console.error('Error searching web:', error);
+      return {
+        success: false,
+        error:
+          error instanceof Error ? error.message : 'Failed to search the web',
+      };
+    }
+  },
+});

services/chat/tools/index.ts

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+import { firecrawlWebFetch } from './firecrawl-web-fetch';
+import { firecrawlWebSearch } from './firecrawl-web-search';
+
+// Keep these keys stable: saved conversations reference tool names.
+export const chatTools = {
+  firecrawlWebSearch,
+  firecrawlWebFetch,
+};