fix(types): use module-level alias instead of import-as

Pyright's reportUnusedImport flags 'from X import Y as Z' as unused even
when Z is intentionally re-exported. Switching to a regular import + a
module-level assignment makes the re-export explicit and pyright-clean.

Author: parallel-m

src/parallel/types/beta/findall_run.py

@@ -40,6 +40,7 @@ class FindAllRun(BaseModel):
 # Backwards-compat aliases (deprecated). `Status` and `StatusMetrics` were
 # inline classes in this module; they now live as top-level `FindAllRunStatus`
 # and `FindAllCandidateMetrics` models.
-from .findall_candidate_metrics import FindAllCandidateMetrics as StatusMetrics  # noqa: E402,F401
+from .findall_candidate_metrics import FindAllCandidateMetrics  # noqa: E402
 
 Status = FindAllRunStatus
+StatusMetrics = FindAllCandidateMetrics

src/parallel/types/beta/task_run_events_response.py

@@ -19,4 +19,6 @@
 # Backwards-compat alias (deprecated). `TaskRunProgressStatsEventSourceStats`
 # was the auto-generated nested-class name for the source-stats payload; it now
 # lives as the top-level `TaskRunSourceStats` model.
-from ..task_run_source_stats import TaskRunSourceStats as TaskRunProgressStatsEventSourceStats  # noqa: E402,F401
+from ..task_run_source_stats import TaskRunSourceStats  # noqa: E402
+
+TaskRunProgressStatsEventSourceStats = TaskRunSourceStats

src/parallel/types/task_run_events_response.py

@@ -19,4 +19,6 @@
 # Backwards-compat alias (deprecated). `TaskRunProgressStatsEventSourceStats`
 # was the auto-generated nested-class name for the source-stats payload; it now
 # lives as the top-level `TaskRunSourceStats` model.
-from .task_run_source_stats import TaskRunSourceStats as TaskRunProgressStatsEventSourceStats  # noqa: E402,F401
+from .task_run_source_stats import TaskRunSourceStats  # noqa: E402
+
+TaskRunProgressStatsEventSourceStats = TaskRunSourceStats