fix capi response types, improve log clarity

src/lib/capi/client.ts

@@ -31,7 +31,8 @@ export class CAPIClient {
 	}
 
 	/**
-	 * Sends CAPIEvents to the server endpoint.
+	 * Sends CAPIEvents to the server endpoint. If no consent is given, no events
+	 * are sent and a dummy response is returned.
 	 * @param events - The array of CAPIEvents to send.
 	 * @returns A promise that resolves to the server response.
 	 * @throws Will throw an error if input or response shape validation fails.
@@ -43,10 +44,8 @@ export class CAPIClient {
 				console.warn(`[CAPIClient] Consent not given. Skipping sending ${events.length} event(s).`);
 			}
 			return {
-				pixelID: '',
-				fbTraceID: '',
-				receivedEvents: 0,
-				processedEvents: 0,
+				fbtrace_id: '',
+				events_received: 0,
 				messages: []
 			};
 		}
@@ -62,7 +61,11 @@ export class CAPIClient {
 				return e.toObject();
 			})
 		};
-		v.parse(v.object({ events: v.array(v.any()) }), body); // Validate body shape
+		try {
+			v.parse(v.object({ events: v.array(v.any()) }), body); // Validate body shape
+		} catch (err) {
+			throw new Error(`[CAPIClient] Invalid request body shape: ${(err as Error).message}`);
+		}
 
 		const response = await fetch(this._href, {
 			method: 'POST',
@@ -73,12 +76,16 @@ export class CAPIClient {
 		});
 		const json = await response.json();
 
-		if (response.ok) {
-			const parsed = v.parse(capiResponseBodySchema, json);
-			return parsed as CAPIResponseBody;
-		} else {
-			const parsed = v.parse(capiErrorBodySchema, json);
-			return parsed as CAPIErrorBody;
+		try {
+			if (response.ok) {
+				const parsed = v.parse(capiResponseBodySchema, json);
+				return parsed as CAPIResponseBody;
+			} else {
+				const parsed = v.parse(capiErrorBodySchema, json);
+				return parsed as CAPIErrorBody;
+			}
+		} catch (err) {
+			throw new Error(`[CAPIClient] Invalid response shape: ${(err as Error).message}`);
 		}
 	}