Add live search to macOS popover

apps/macos-sync/Sources/CairnquireSync/API/Client.swift

@@ -209,6 +209,24 @@ public actor APIClient {
         
         return try await perform(request)
     }
+
+    public func searchDocuments(query: String) async throws -> [SearchResult] {
+        var components = URLComponents(url: baseURL.appendingPathComponent("api/search"), resolvingAgainstBaseURL: false)
+        components?.queryItems = [URLQueryItem(name: "q", value: query)]
+
+        guard let url = components?.url else {
+            throw APIError(error: "invalid search URL")
+        }
+
+        var request = URLRequest(url: url)
+        if let token = apiToken {
+            request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+        }
+        request.setValue("application/json", forHTTPHeaderField: "Accept")
+
+        let response: SearchResponse = try await perform(request)
+        return response.results
+    }
     
     // MARK: - Sync