feat: add info engine MVP pipeline and dashboard page

Introduce a standalone scheduled info-engine worker with SQLite persistence and expose read-only dashboard APIs/UI so curated intelligence items can be collected and viewed with minimal architecture changes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

dashboard/frontend/src/App.svelte

@@ -11,6 +11,7 @@
   import Security from "./routes/Security.svelte";
   import LiteLLM from "./routes/LiteLLM.svelte";
   import CcConnect from "./routes/CcConnect.svelte";
+  import InfoEngine from "./routes/InfoEngine.svelte";
   import Login from "./routes/Login.svelte";
   import { onMount } from "svelte";
   import { getToken, checkAuth, setToken, setRefreshToken, currentUser, setCurrentUser, getPreferences, savePreferences } from "./lib/api.js";
@@ -159,6 +160,8 @@
           <LiteLLM />
         {:else if page === "cc-connect" && hasPageAccess("dashboard")}
           <CcConnect />
+        {:else if page === "info-engine" && hasPageAccess("dashboard")}
+          <InfoEngine />
         {:else}
           <Dashboard />
         {/if}