feat(project-management) : migrate core Projects/Tasks domain into module (back)

Tranche 2 of LST-65. Mechanical, behaviour-preserving move of the core
business domain into src/Module/ProjectManagement/. API operations,
securities, uriTemplates and the 38 MCP tool names are all unchanged.

- 10 entities + 2 enums moved to Domain/{Entity,Enum}; intra-module
  relations stay concrete, cross-module relations go through contracts
  (Project.client -> ClientInterface, Task/TaskDocument users ->
  UserInterface).
- 9 repositories split into Domain/Repository interfaces + Doctrine impls,
  bound in services.yaml; consumers inject the interfaces. find() kept off
  the interfaces (ServiceEntityRepository ?object compat) -> findById().
- State (7), MCP tools (38), controller, CalDavService/RecurrenceCalculator,
  3 Doctrine listeners and SwitchWorkflowOutput moved under Infrastructure/.
- doctrine.yaml: ProjectManagement mapping + resolve_target_entities of the
  3 module contracts repointed to the module (ClientInterface stays legacy).
- ProjectManagementModule registered (id project-management, 4 RBAC perms,
  not re-wired); sidebar my-tasks/projects gated by the module.
- Legacy not-yet-modularised consumers (Mail/Gitea/BookStack, Serializer,
  fixtures, tests) swapped to the module FQCN — transitional coupling to be
  cleaned in 2.4/2.5/2.6.

159 tests green, mapping valid, no API route regression, cs-fixer clean.

config/services.yaml

@@ -31,25 +31,25 @@ services:
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones
 
-    App\EventListener\TaskDocumentListener:
+    App\Module\ProjectManagement\Infrastructure\EventListener\TaskDocumentListener:
         arguments:
             $uploadDir: '%task_document_upload_dir%'
         tags:
             - { name: doctrine.orm.entity_listener }
 
-    App\State\TaskDocumentProcessor:
+    App\Module\ProjectManagement\Infrastructure\ApiPlatform\State\TaskDocumentProcessor:
         arguments:
             $uploadDir: '%task_document_upload_dir%'
 
-    App\Controller\TaskDocumentDownloadController:
+    App\Module\ProjectManagement\Infrastructure\Controller\TaskDocumentDownloadController:
         arguments:
             $uploadDir: '%task_document_upload_dir%'
 
-    App\Mcp\Tool\Task\AddTaskDocumentTool:
+    App\Module\ProjectManagement\Infrastructure\Mcp\Tool\Task\AddTaskDocumentTool:
         arguments:
             $uploadDir: '%task_document_upload_dir%'
 
-    App\Mcp\Tool\Task\UpdateTaskDocumentTool:
+    App\Module\ProjectManagement\Infrastructure\Mcp\Tool\Task\UpdateTaskDocumentTool:
         arguments:
             $uploadDir: '%task_document_upload_dir%'
 
@@ -75,4 +75,22 @@ services:
 
     App\Module\TimeTracking\Domain\Repository\TimeEntryRepositoryInterface: '@App\Module\TimeTracking\Infrastructure\Doctrine\DoctrineTimeEntryRepository'
 
+    App\Module\ProjectManagement\Domain\Repository\ProjectRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineProjectRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\TaskRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineTaskRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\WorkflowRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineWorkflowRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\TaskStatusRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineTaskStatusRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\TaskGroupRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineTaskGroupRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\TaskEffortRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineTaskEffortRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\TaskPriorityRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineTaskPriorityRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\TaskTagRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineTaskTagRepository'
+
+    App\Module\ProjectManagement\Domain\Repository\TaskRecurrenceRepositoryInterface: '@App\Module\ProjectManagement\Infrastructure\Doctrine\DoctrineTaskRecurrenceRepository'
+
     App\Shared\Domain\Contract\NotifierInterface: '@App\Module\Core\Infrastructure\Notifier'