diff --git a/package.json b/package.json
index 4572039e..76aa78a7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hawk.api",
-  "version": "1.4.3",
+  "version": "1.4.4",
   "main": "index.ts",
   "license": "BUSL-1.1",
   "scripts": {
diff --git a/src/integrations/github/routes.ts b/src/integrations/github/routes.ts
index f000ca24..8144ec34 100644
--- a/src/integrations/github/routes.ts
+++ b/src/integrations/github/routes.ts
@@ -522,15 +522,15 @@ export function createGitHubRouter(factories: ContextFactories): express.Router
      * just log query parameters and respond with 200 without signature validation.
      */
     if (req.method !== 'POST') {
+      // eslint-disable-next-line @typescript-eslint/camelcase, camelcase
       const { code, installation_id, setup_action, state, ...restQuery } = req.query as Record<string, unknown>;
 
+      // eslint-disable-next-line @typescript-eslint/camelcase, camelcase
       if (code || installation_id || state || setup_action) {
-        // eslint-disable-next-line @typescript-eslint/camelcase, camelcase
         log('info', `${WEBHOOK_LOG_PREFIX}Received non-POST request on /webhook with OAuth-like params`, {
-          // eslint-disable-next-line @typescript-eslint/camelcase, camelcase
           code,
-          installation_id,
-          setup_action,
+          installation_id, // eslint-disable-line @typescript-eslint/camelcase, camelcase
+          setup_action, // eslint-disable-line @typescript-eslint/camelcase, camelcase
           state,
           query: restQuery,
         });
diff --git a/src/resolvers/project.js b/src/resolvers/project.js
index aa16734e..c1a2767c 100644
--- a/src/resolvers/project.js
+++ b/src/resolvers/project.js
@@ -421,7 +421,7 @@ module.exports = {
          */
         const taskManager = project.taskManager;
 
-        if (taskManager && taskManager.type === 'github' && taskManager.config?.installationId) {
+        if (taskManager && taskManager.type === 'github' && taskManager.config && taskManager.config.installationId) {
           const githubService = new GitHubService();
 
           await githubService.deleteInstallation(taskManager.config.installationId);
diff --git a/src/typeDefs/event.ts b/src/typeDefs/event.ts
index c2ac3a2d..c200de96 100644
--- a/src/typeDefs/event.ts
+++ b/src/typeDefs/event.ts
@@ -116,29 +116,6 @@ type EventUser {
   photo: String
 }
 
-"""
-Breadcrumb severity level
-"""
-enum BreadcrumbLevel {
-  fatal
-  error
-  warning
-  info
-  debug
-}
-
-"""
-Breadcrumb type - controls categorization and UI appearance
-"""
-enum BreadcrumbType {
-  default
-  request
-  ui
-  navigation
-  logic
-  error
-}
-
 """
 Single breadcrumb entry - represents an event that occurred before the error
 """
@@ -149,9 +126,11 @@ type Breadcrumb {
   timestamp: Float!
 
   """
-  Type of breadcrumb - controls UI categorization
+  Type of breadcrumb - controls UI categorization.
+  Common values: default, request, ui, navigation, logic, error.
+  Accepts any string since SDK users may send custom types.
   """
-  type: BreadcrumbType
+  type: String
 
   """
   Category of the event - more specific than type
@@ -164,9 +143,11 @@ type Breadcrumb {
   message: String
 
   """
-  Severity level of the breadcrumb
+  Severity level of the breadcrumb.
+  Common values: fatal, error, warning, info, debug.
+  Accepts any string since SDK users may send custom levels.
   """
-  level: BreadcrumbLevel
+  level: String
 
   """
   Arbitrary key-value data associated with the breadcrumb
diff --git a/test/__mocks__/github-service.ts b/test/__mocks__/github-service.ts
new file mode 100644
index 00000000..04ff8529
--- /dev/null
+++ b/test/__mocks__/github-service.ts
@@ -0,0 +1,5 @@
+export const deleteInstallationMock = jest.fn().mockResolvedValue(undefined);
+
+export const GitHubService = jest.fn().mockImplementation(() => ({
+  deleteInstallation: deleteInstallationMock,
+}));
diff --git a/test/integrations/github-routes.test.ts b/test/integrations/github-routes.test.ts
index 81094183..03eacc94 100644
--- a/test/integrations/github-routes.test.ts
+++ b/test/integrations/github-routes.test.ts
@@ -480,7 +480,7 @@ describe('GitHub Routes - /integration/github/connect', () => {
 
       expect(response.status).toBe(302);
       expect(response.body).toContain('http://localhost:8080/');
-      expect(response.body).toContain('error=Missing+or+invalid+OAuth+code');
+      expect(response.body).toContain('apiError=Missing+or+invalid+OAuth+code');
     });
 
     it('should redirect with error when state is missing', async () => {
@@ -501,7 +501,7 @@ describe('GitHub Routes - /integration/github/connect', () => {
 
       expect(response.status).toBe(302);
       expect(response.body).toContain('http://localhost:8080/');
-      expect(response.body).toContain('error=Missing+or+invalid+state');
+      expect(response.body).toContain('apiError=Missing+or+invalid+state');
     });
 
     it('should redirect with error when state is invalid or expired', async () => {
@@ -525,7 +525,7 @@ describe('GitHub Routes - /integration/github/connect', () => {
 
       expect(response.status).toBe(302);
       expect(response.body).toContain('http://localhost:8080/');
-      expect(response.body).toContain('error=Invalid+or+expired+state');
+      expect(response.body).toContain('apiError=Invalid+or+expired+state');
       expect(mockGetState).toHaveBeenCalledWith(state);
     });
 
diff --git a/test/resolvers/project.test.ts b/test/resolvers/project.test.ts
index bda54a40..8f50acbc 100644
--- a/test/resolvers/project.test.ts
+++ b/test/resolvers/project.test.ts
@@ -3,6 +3,11 @@ import { ObjectId } from 'mongodb';
 import { ProjectDBScheme, ProjectTaskManagerConfig } from '@hawk.so/types';
 import { ResolverContextWithUser } from '../../src/types/graphql';
 import { ApolloError, UserInputError } from 'apollo-server-express';
+
+jest.mock('../../src/integrations/github/service', () => require('../__mocks__/github-service'));
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+import { deleteInstallationMock, GitHubService } from '../__mocks__/github-service';
+
 // @ts-expect-error - CommonJS module, TypeScript can't infer types properly
 import projectResolverModule from '../../src/resolvers/project';
 
@@ -141,6 +146,8 @@ describe('Project Resolver - Task Manager Mutations', () => {
       )) as { taskManager: ProjectTaskManagerConfig | null };
 
       expect(context.factories.projectsFactory.findById).toHaveBeenCalledWith(mockProject._id.toString());
+      expect(GitHubService).toHaveBeenCalledTimes(1);
+      expect(deleteInstallationMock).toHaveBeenCalledWith('123456');
       expect(mockProject.updateProject).toHaveBeenCalledWith({
         taskManager: null,
       });
@@ -217,6 +224,8 @@ describe('Project Resolver - Task Manager Mutations', () => {
         context
       )) as { taskManager: ProjectTaskManagerConfig | null };
 
+      expect(GitHubService).not.toHaveBeenCalled();
+      expect(deleteInstallationMock).not.toHaveBeenCalled();
       expect(mockProject.updateProject).toHaveBeenCalledWith({
         taskManager: null,
       });