[MM-57693] Add schema dump to Support Packet (#31162)

Co-authored-by: Claude <noreply@anthropic.com>

server/channels/store/storetest/mocks/Store.go

@@ -528,6 +528,36 @@ func (_m *Store) GetLocalSchemaVersion() (int, error) {
 	return r0, r1
 }
 
+// GetSchemaDefinition provides a mock function with no fields
+func (_m *Store) GetSchemaDefinition() (*model.SupportPacketDatabaseSchema, error) {
+	ret := _m.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for GetSchemaDefinition")
+	}
+
+	var r0 *model.SupportPacketDatabaseSchema
+	var r1 error
+	if rf, ok := ret.Get(0).(func() (*model.SupportPacketDatabaseSchema, error)); ok {
+		return rf()
+	}
+	if rf, ok := ret.Get(0).(func() *model.SupportPacketDatabaseSchema); ok {
+		r0 = rf()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*model.SupportPacketDatabaseSchema)
+		}
+	}
+
+	if rf, ok := ret.Get(1).(func() error); ok {
+		r1 = rf()
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // Group provides a mock function with no fields
 func (_m *Store) Group() store.GroupStore {
 	ret := _m.Called()

server/channels/store/storetest/store.go

@@ -163,6 +163,12 @@ func (s *Store) Attributes() store.AttributesStore {
 	return &s.AttributesStore
 }
 
+func (s *Store) GetSchemaDefinition() (*model.SupportPacketDatabaseSchema, error) {
+	return &model.SupportPacketDatabaseSchema{
+		Tables: []model.DatabaseTable{},
+	}, nil
+}
+
 func (s *Store) AssertExpectations(t mock.TestingT) bool {
 	return mock.AssertExpectationsForObjects(t,
 		&s.TeamStore,