feat: make DAVE Telegram chat conversational

lib/agent/terminal-tools.mjs

@@ -1,4 +1,5 @@
 import { TerminalToolRegistry } from './terminal-agent.mjs';
+import { safeFetch } from '../../apis/utils/fetch.mjs';
 
 export function createTerminalToolRegistry({
   getData,
@@ -49,6 +50,39 @@ export function createTerminalToolRegistry({
         .slice(0, limit)
         .map(item => ({ title: clean(item.headline || item.title || item.text, 400), source: clean(item.source, 100), url: clean(item.url, 500) || null, timestamp: item.timestamp || item.date || null }));
     }),
+    tool('web_search', 'Search the public web/news through GDELT for fresh corroborating evidence. Arguments: query, limit, hours.', { query: 'string', limit: 'number', hours: 'number' }, async args => {
+      const query = clean(args.query, 160);
+      if (!query) return { error: 'query_required', results: [] };
+      const limit = bounded(args.limit, 1, 10, 5);
+      const hours = bounded(args.hours, 1, 168, 48);
+      const start = new Date(Date.now() - hours * 60 * 60 * 1000).toISOString().replace(/[-:TZ.]/g, '').slice(0, 14);
+      const params = new URLSearchParams({
+        query,
+        mode: 'artlist',
+        format: 'json',
+        maxrecords: String(limit),
+        sort: 'datedesc',
+        startdatetime: start,
+      });
+      const data = await safeFetch(`https://api.gdeltproject.org/api/v2/doc/doc?${params}`, {
+        timeout: 20000,
+        retries: 1,
+        source: 'GDELT-WebSearch',
+      });
+      const articles = Array.isArray(data?.articles) ? data.articles : [];
+      return {
+        query,
+        windowHours: hours,
+        results: articles.slice(0, limit).map(item => ({
+          title: clean(item.title, 300),
+          source: clean(item.sourceCommonName || item.domain || item.sourceCountry, 120),
+          url: clean(item.url, 500) || null,
+          timestamp: item.seendate || item.datetime || null,
+          language: item.language || null,
+        })),
+        error: data?.error || null,
+      };
+    }),
     tool('search_memory', 'Search persisted cross-sweep events. Arguments: query, limit.', { query: 'string', limit: 'number' }, async args => intelligenceStore?.queryMemory({ q: clean(args.query, 120), limit: bounded(args.limit, 1, 25, 8) }) || { available: false }),
     tool('list_predictions', 'List persisted predictions and their current outcome states. Arguments: state, limit.', { state: 'string', limit: 'number' }, async args => intelligenceStore?.listPredictions({ state: clean(args.state, 30) || null, limit: bounded(args.limit, 1, 25, 8) }) || { available: false }),
     tool('get_scenarios', 'Inspect current scenario watchlist states and confidence.', {}, async (_args, runtime) => {