update

src/lib/mock.ts

@@ -236,6 +236,8 @@ function initialStatus(scenario: MockScenario): Status {
     portable: false,
     sync: null,
     live: null,
+    map_from_site: null,
+    map_problem: null,
   };
   switch (scenario) {
     case "first-run":
@@ -319,7 +321,7 @@ class MockBackend implements Backend {
     this.status = initialStatus(scenario);
     this.conflicts = scenario === "sync-conflicts" ? structuredClone(MOCK_CONFLICTS) : [];
     this.network = this.status.online;
-    this.settings = { site_url: SITE_URL, mcp_url: MCP_URL, install_dir: DEFAULT_DIR };
+    this.settings = { site_url: SITE_URL, mcp_url: MCP_URL, ai_url: "", install_dir: DEFAULT_DIR };
     if (this.status.installed) {
       // An installed mock PC has the basemap, Dark V2 and a stopped satellite download.
       for (const item of MOCK_MARKET) if (item.required) this.marketPresent.set(item.key, "installed");
@@ -605,10 +607,12 @@ class MockBackend implements Backend {
   }
 
   async setSettings(settings: Settings): Promise<Status> {
-    for (const [label, url] of [
+    // The AI address is optional: empty means the client stays offline.
+    for (const [label, url] of ([
       ["DHP URL", settings.site_url],
       ["MCP URL", settings.mcp_url],
-    ] as const) {
+      ...(settings.ai_url.trim() ? [["AI URL", settings.ai_url] as const] : []),
+    ] as const)) {
       try {
         new URL(url);
       } catch {

src/lib/types.ts

@@ -50,6 +50,13 @@ export interface Status {
    * this PC. null when ODIAN is not running, or the DHP offers no Engine API.
    */
   live: boolean | null;
+  /**
+   * While ODIAN runs: false when the map is being drawn from this PC because the site's
+   * tile service did not answer. null when ODIAN is not running, or no site is set.
+   */
+  map_from_site: boolean | null;
+  /** Why, in one line, when `map_from_site` is false. */
+  map_problem: string | null;
 }
 
 /** A marketplace item: one tile set or source file of the version. */
@@ -118,6 +125,11 @@ export interface Settings {
   site_url: string;
   /** Site MCP, for Keycloak sign-in. */
   mcp_url: string;
+  /**
+   * The MCP serving ODIAN's AI features (`/api/ai/...`), reached over the internet. Empty
+   * keeps the client wholly offline; set, it is the one address the client may reach.
+   */
+  ai_url: string;
   install_dir: string;
 }