feat(story-193): clickable code references in frontend

frontend/src/api/settings.ts

@@ -2,6 +2,10 @@ export interface EditorSettings {
 	editor_command: string | null;
 }
 
+export interface OpenFileResult {
+	success: boolean;
+}
+
 const DEFAULT_API_BASE = "/api";
 
 function buildApiUrl(path: string, baseUrl = DEFAULT_API_BASE): string {
@@ -47,4 +51,20 @@ export const settingsApi = {
 			baseUrl,
 		);
 	},
+
+	openFile(
+		path: string,
+		line?: number,
+		baseUrl?: string,
+	): Promise<OpenFileResult> {
+		const params = new URLSearchParams({ path });
+		if (line !== undefined) {
+			params.set("line", String(line));
+		}
+		return requestJson<OpenFileResult>(
+			`/settings/open-file?${params.toString()}`,
+			{ method: "POST" },
+			baseUrl,
+		);
+	},
 };