diff --git a/src/test-utils/widget-config.js b/src/test-utils/widget-config.js
index a5e2492a4..31cca5561 100644
--- a/src/test-utils/widget-config.js
+++ b/src/test-utils/widget-config.js
@@ -32,7 +32,20 @@ export function expectWidgetConfigShape(widget) {
         expect(mapping.endpoint.length).toBeGreaterThan(0);
       }
       if ("map" in mapping) {
-        expect(mapping.map).toBeTypeOf("function");
+        const map = mapping.map;
+        const proxyName = widget.proxyHandler?.name ?? "genericProxyHandler";
+
+        // Most handlers treat `map` as a transform function. A small number of custom
+        // proxies treat it as an options object.
+        expect(["function", "object"].includes(typeof map)).toBe(true);
+
+        if (typeof map === "object") {
+          expect(map).not.toBeNull();
+          expect(Array.isArray(map)).toBe(false);
+          // Generic handlers will call `map(resultData)`, so they must never receive an object.
+          expect(proxyName).not.toBe("genericProxyHandler");
+          expect(proxyName).not.toBe("credentialedProxyHandler");
+        }
       }
     }
   }
diff --git a/src/widgets/pyload/widget.test.js b/src/widgets/pyload/widget.test.js
new file mode 100644
index 000000000..f2a2bdd2c
--- /dev/null
+++ b/src/widgets/pyload/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("pyload widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/qbittorrent/widget.test.js b/src/widgets/qbittorrent/widget.test.js
new file mode 100644
index 000000000..d8c6c9752
--- /dev/null
+++ b/src/widgets/qbittorrent/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("qbittorrent widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/qnap/widget.test.js b/src/widgets/qnap/widget.test.js
new file mode 100644
index 000000000..f35bd1eb4
--- /dev/null
+++ b/src/widgets/qnap/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("qnap widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/radarr/widget.test.js b/src/widgets/radarr/widget.test.js
new file mode 100644
index 000000000..d111bef27
--- /dev/null
+++ b/src/widgets/radarr/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("radarr widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/readarr/widget.test.js b/src/widgets/readarr/widget.test.js
new file mode 100644
index 000000000..dd6ce1ce6
--- /dev/null
+++ b/src/widgets/readarr/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("readarr widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/romm/widget.test.js b/src/widgets/romm/widget.test.js
new file mode 100644
index 000000000..fe7a2b437
--- /dev/null
+++ b/src/widgets/romm/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("romm widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/rutorrent/widget.test.js b/src/widgets/rutorrent/widget.test.js
new file mode 100644
index 000000000..7efb278ba
--- /dev/null
+++ b/src/widgets/rutorrent/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("rutorrent widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/sabnzbd/widget.test.js b/src/widgets/sabnzbd/widget.test.js
new file mode 100644
index 000000000..02f24ee16
--- /dev/null
+++ b/src/widgets/sabnzbd/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("sabnzbd widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/scrutiny/widget.test.js b/src/widgets/scrutiny/widget.test.js
new file mode 100644
index 000000000..3713b9df0
--- /dev/null
+++ b/src/widgets/scrutiny/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("scrutiny widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/slskd/widget.test.js b/src/widgets/slskd/widget.test.js
new file mode 100644
index 000000000..6db58c14c
--- /dev/null
+++ b/src/widgets/slskd/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("slskd widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/sonarr/widget.test.js b/src/widgets/sonarr/widget.test.js
new file mode 100644
index 000000000..a09895874
--- /dev/null
+++ b/src/widgets/sonarr/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("sonarr widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/speedtest/widget.test.js b/src/widgets/speedtest/widget.test.js
new file mode 100644
index 000000000..b1ea9c84c
--- /dev/null
+++ b/src/widgets/speedtest/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("speedtest widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/spoolman/widget.test.js b/src/widgets/spoolman/widget.test.js
new file mode 100644
index 000000000..d47a2a84f
--- /dev/null
+++ b/src/widgets/spoolman/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("spoolman widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/stash/widget.test.js b/src/widgets/stash/widget.test.js
new file mode 100644
index 000000000..f420f4b52
--- /dev/null
+++ b/src/widgets/stash/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("stash widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/stocks/widget.test.js b/src/widgets/stocks/widget.test.js
new file mode 100644
index 000000000..4173cc907
--- /dev/null
+++ b/src/widgets/stocks/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("stocks widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/strelaysrv/widget.test.js b/src/widgets/strelaysrv/widget.test.js
new file mode 100644
index 000000000..297196801
--- /dev/null
+++ b/src/widgets/strelaysrv/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("strelaysrv widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/suwayomi/widget.test.js b/src/widgets/suwayomi/widget.test.js
new file mode 100644
index 000000000..bddf70e24
--- /dev/null
+++ b/src/widgets/suwayomi/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("suwayomi widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/swagdashboard/widget.test.js b/src/widgets/swagdashboard/widget.test.js
new file mode 100644
index 000000000..8cd939e91
--- /dev/null
+++ b/src/widgets/swagdashboard/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("swagdashboard widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/tailscale/widget.test.js b/src/widgets/tailscale/widget.test.js
new file mode 100644
index 000000000..2cf2d0622
--- /dev/null
+++ b/src/widgets/tailscale/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("tailscale widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});
diff --git a/src/widgets/tandoor/widget.test.js b/src/widgets/tandoor/widget.test.js
new file mode 100644
index 000000000..381b5e3a2
--- /dev/null
+++ b/src/widgets/tandoor/widget.test.js
@@ -0,0 +1,11 @@
+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("tandoor widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});