fix: support AVIF compress and fix hardcoded content type

apps/api/src/lib/output-format.ts

@@ -17,6 +17,7 @@ const FORMAT_MAP: Record<
   gif: { format: "gif", extension: "gif", contentType: "image/gif" },
   tiff: { format: "tiff", extension: "tiff", contentType: "image/tiff" },
   avif: { format: "avif", extension: "avif", contentType: "image/avif" },
+  heif: { format: "avif", extension: "avif", contentType: "image/avif" },
 };
 
 const DEFAULT_QUALITY = 95;

apps/api/src/routes/tools/compress.ts

@@ -2,6 +2,7 @@ import { compress } from "@ashim/image-engine";
 import type { FastifyInstance } from "fastify";
 import sharp from "sharp";
 import { z } from "zod";
+import { resolveOutputFormat } from "../../lib/output-format.js";
 import { createToolRoute } from "../tool-factory.js";
 
 const settingsSchema = z.object({
@@ -16,6 +17,7 @@ export function registerCompress(app: FastifyInstance) {
     settingsSchema,
     process: async (inputBuffer, settings, filename) => {
       const image = sharp(inputBuffer);
+      const outputFormat = await resolveOutputFormat(inputBuffer, filename);
 
       const compressOptions: {
         quality?: number;
@@ -31,7 +33,7 @@ export function registerCompress(app: FastifyInstance) {
 
       const result = await compress(image, compressOptions);
       const buffer = await result.toBuffer();
-      return { buffer, filename, contentType: "image/jpeg" };
+      return { buffer, filename, contentType: outputFormat.contentType };
     },
   });
 }

packages/image-engine/src/engine.ts

@@ -70,6 +70,7 @@ const FORMAT_MAP: Record<string, string> = {
   png: "png",
   webp: "webp",
   avif: "avif",
+  heif: "avif",
   tiff: "tiff",
   gif: "gif",
 };

packages/image-engine/src/operations/compress.ts

@@ -6,6 +6,7 @@ const FORMAT_MAP: Record<string, string> = {
   png: "png",
   webp: "webp",
   avif: "avif",
+  heif: "avif",
   tiff: "tiff",
   gif: "gif",
 };