Fix plugin key route resolution

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/__tests__/plugin-routes-authz.test.ts

@@ -224,6 +224,46 @@ describe.sequential("plugin install and upgrade authz", () => {
     expect(mockLifecycle.disable).not.toHaveBeenCalled();
   }, 20_000);
 
+  it("resolves plugin keys without probing the UUID id column for core plugin actions", async () => {
+    const pluginKey = "paperclipqa.hello-plugin";
+    const plugin = {
+      id: pluginId,
+      pluginKey,
+      version: "1.0.0",
+      status: "ready",
+    };
+    mockRegistry.getById.mockImplementation(() => {
+      throw new Error("getById should not be called for plugin keys");
+    });
+    mockRegistry.getByKey.mockResolvedValue(plugin);
+    mockLifecycle.unload.mockResolvedValue(plugin);
+    mockLifecycle.enable.mockResolvedValue(plugin);
+    mockLifecycle.disable.mockResolvedValue(plugin);
+
+    const { app } = await createApp({
+      type: "board",
+      userId: "admin-1",
+      source: "session",
+      isInstanceAdmin: true,
+      companyIds: [companyA],
+    });
+
+    const inspectRes = await request(app).get(`/api/plugins/${pluginKey}`);
+    const disableRes = await request(app).post(`/api/plugins/${pluginKey}/disable`).send({});
+    const enableRes = await request(app).post(`/api/plugins/${pluginKey}/enable`).send({});
+    const uninstallRes = await request(app).delete(`/api/plugins/${pluginKey}?purge=true`);
+
+    expect(inspectRes.status).toBe(200);
+    expect(disableRes.status).toBe(200);
+    expect(enableRes.status).toBe(200);
+    expect(uninstallRes.status).toBe(200);
+    expect(mockRegistry.getById).not.toHaveBeenCalled();
+    expect(mockRegistry.getByKey).toHaveBeenCalledWith(pluginKey);
+    expect(mockLifecycle.disable).toHaveBeenCalledWith(pluginId, undefined);
+    expect(mockLifecycle.enable).toHaveBeenCalledWith(pluginId);
+    expect(mockLifecycle.unload).toHaveBeenCalledWith(pluginId, true);
+  }, 20_000);
+
   it("rejects plugin config saves that contain secret refs even for instance admins", async () => {
     readyPlugin();
 

server/src/routes/plugins.ts

@@ -199,9 +199,9 @@ function listBundledPluginExamples(): AvailablePluginExample[] {
  *
  * Lookup order:
  * - UUID-like IDs: getById first, then getByKey.
- * - Scoped package keys (e.g. "@scope/name"): getByKey only, never getById.
- * - Other non-UUID IDs: try getById first (test/memory registries may allow this),
- *   then fallback to getByKey. Any UUID parse error from getById is ignored.
+ * - All non-UUID values: getByKey only, never getById. The persisted plugin
+ *   ID column is a PostgreSQL UUID, so probing it with keys such as
+ *   "acme.plugin" raises a database cast error before a key lookup can happen.
  *
  * @param registry - The plugin registry service instance
  * @param pluginId - Either a database UUID or plugin key (manifest id)
@@ -212,27 +212,13 @@ async function resolvePlugin(
   pluginId: string,
 ) {
   const isUuid = UUID_REGEX.test(pluginId);
-  const isScopedPackageKey = pluginId.startsWith("@") || pluginId.includes("/");
 
-  // Scoped package IDs are valid plugin keys but invalid UUIDs.
-  // Skip getById() entirely to avoid Postgres uuid parse errors.
-  if (isScopedPackageKey && !isUuid) {
+  if (!isUuid) {
     return registry.getByKey(pluginId);
   }
 
-  try {
-    const byId = await registry.getById(pluginId);
-    if (byId) return byId;
-  } catch (error) {
-    const maybeCode =
-      typeof error === "object" && error !== null && "code" in error
-        ? (error as { code?: unknown }).code
-        : undefined;
-    // Ignore invalid UUID cast errors and continue with key lookup.
-    if (maybeCode !== "22P02") {
-      throw error;
-    }
-  }
+  const byId = await registry.getById(pluginId);
+  if (byId) return byId;
 
   return registry.getByKey(pluginId);
 }