feat(source2): lock dark mode, sans-serif typography, and all recent updates

proxy/backoneAgentFetcher.js

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+// proxy/backoneAgentFetcher.js
+// ─────────────────────────────────────────────────────────────────────────────
+// Fetches active agents from BackOne API.
+// Uses a two-strategy approach to handle endpoints that may timeout (Source 2).
+// ─────────────────────────────────────────────────────────────────────────────
+
+const { backoneFetch, agentMap } = require('./backoneClientCore');
+
+// Strategy 1 timeout: 15s (agent/download can be slow on small deployments)
+const PRIMARY_TIMEOUT_MS = 15000;
+
+async function fetchAgents(siteUuid = null) {
+  // Strategy 1: Use /data/stats/top/agent/download (standard BackOne endpoint)
+  // filter_interval reduced to 31 days to lessen query load vs. old 365-day value.
+  const primaryPromise = (async () => {
+    try {
+      const data = await backoneFetch('/data/stats/top/agent/download', {
+        filter_interval: 44640, // 31 days
+        settings_limit: 1000000,
+      }, null, siteUuid);
+      if (data && Array.isArray(data) && data.length > 0) return data;
+      return null;
+    } catch (e) {
+      return null;
+    }
+  })();
+
+  const timeoutPromise = new Promise(resolve =>
+    setTimeout(() => resolve(null), PRIMARY_TIMEOUT_MS)
+  );
+
+  const primaryData = await Promise.race([primaryPromise, timeoutPromise]);
+
+  if (primaryData && Array.isArray(primaryData) && primaryData.length > 0) {
+    const list = primaryData.map(r => ({
+      id:           r.agent?.id,
+      uuid:         r.agent?.uuid || r.agent?.serial,
+      serial:       r.agent?.serial,
+      label:        r.agent?.label || r.agent?.serial,
+      provisioned:  true,
+      activated:    true,
+      last_seen_at: r.agent?.last_seen_at ?? null,
+    })).filter(a => a.uuid);
+
+    // Populate agentMap (uuid → id) for downstream filter_agents usage
+    for (const a of list) {
+      if (a.uuid && a.id) agentMap[a.uuid] = a.id;
+    }
+    return list;
+  }
+
+  // Strategy 2: Fallback — discover agents from /data/flows
+  // Useful for Source 2 where /data/stats/top/agent/download consistently times out.
+  console.log('[fetchAgents] Primary endpoint timeout/empty. Using flows-based agent discovery...');
+  try {
+    const flowData = await backoneFetch('/data/flows', {
+      settings_limit: 100,
+    }, null, siteUuid);
+
+    if (!flowData || !Array.isArray(flowData)) return [];
+
+    // Extract unique agent_uuids from flow records
+    const seen = new Set();
+    const agentList = [];
+    for (const flow of flowData) {
+      const uuid = flow.agent_uuid;
+      if (uuid && !seen.has(uuid)) {
+        seen.add(uuid);
+        agentList.push({
+          id:           null,
+          uuid:         uuid,
+          serial:       uuid,
+          label:        uuid,
+          provisioned:  true,
+          activated:    true,
+          last_seen_at: flow.last_seen_at ?? null,
+        });
+      }
+    }
+
+    console.log(`[fetchAgents] Fallback discovered ${agentList.length} agent(s) from flows.`);
+    return agentList;
+  } catch (e) {
+    console.error('[fetchAgents] Fallback also failed:', e.message);
+    return [];
+  }
+}
+
+module.exports = { fetchAgents };