diff --git a/CHANGELOG.md b/CHANGELOG.md
index 412cd84b5fcb..a48702a73367 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@ Docs: https://docs.openclaw.ai
 - Release/CI/E2E: print heartbeat progress during centralized Docker builds while keeping successful build logs quiet.
 - Release/CI/E2E: avoid heartbeat-tail delays in Docker E2E log wrappers while reporting captured log bytes during long runs.
 - Control UI: lazy-load the usage view so the initial app bundle stays below the chunk warning threshold.
+- Build: keep Baileys optional image backends external so source builds do not warn about missing `jimp` or `sharp`.
 - Build: render independent CLI startup metadata help snapshots concurrently to cut cold build-all metadata time.
 - Plugins: stop timed-out package-boundary prep steps by process group so descendant TypeScript/helper processes do not survive local check cleanup.
 - Control UI: serve static assets asynchronously after safe-open checks so large UI files do not block Gateway request handling.
diff --git a/src/infra/tsdown-config.test.ts b/src/infra/tsdown-config.test.ts
index f10493164ea7..9867c3c651fd 100644
--- a/src/infra/tsdown-config.test.ts
+++ b/src/infra/tsdown-config.test.ts
@@ -222,8 +222,10 @@ describe("tsdown config", () => {
       expect(neverBundle("@slack/bolt")).toBe(true);
       expect(neverBundle("@slack/web-api")).toBe(true);
       expect(neverBundle("@vitest/expect")).toBe(true);
+      expect(neverBundle("jimp")).toBe(true);
       expect(neverBundle("matrix-js-sdk/lib/client.js")).toBe(true);
       expect(neverBundle("qrcode-terminal/lib/main.js")).toBe(true);
+      expect(neverBundle("sharp")).toBe(true);
       expect(neverBundle("vitest")).toBe(true);
       expect(neverBundle("not-a-runtime-dependency")).toBe(false);
     } else {
@@ -235,8 +237,10 @@ describe("tsdown config", () => {
         "@slack/bolt",
         "@slack/web-api",
         "@vitest/expect",
+        "jimp",
         "matrix-js-sdk",
         "qrcode-terminal",
+        "sharp",
         "vitest",
       ]) {
         expect(neverBundle).toContain(dependency);
@@ -246,7 +250,9 @@ describe("tsdown config", () => {
       throw new Error("expected unified graph external predicate");
     }
     const externalize = external;
+    expect(externalize("jimp", undefined, false)).toBe(true);
     expect(externalize("qrcode-terminal/lib/main.js", undefined, false)).toBe(true);
+    expect(externalize("sharp", undefined, false)).toBe(true);
   });
 
   it("always bundles plugin SDK package-local runtime dependencies", () => {
diff --git a/tsdown.config.ts b/tsdown.config.ts
index 6e02fb6bd7fc..1d52ce136f8c 100644
--- a/tsdown.config.ts
+++ b/tsdown.config.ts
@@ -198,9 +198,11 @@ const explicitNeverBundleDependencies = [
   "@larksuiteoapi/node-sdk",
   "@matrix-org/matrix-sdk-crypto-nodejs",
   "@vitest/expect",
+  "jimp",
   "matrix-js-sdk",
   "prism-media",
   "qrcode-terminal",
+  "sharp",
   "typescript",
   "vitest",
 ].toSorted((left, right) => left.localeCompare(right));