Fix delete task with evidences 5xx

close #64

Signed-off-by: gearnode <bryan@frimin.fr>

pkg/coredata/evidence.go

@@ -29,7 +29,7 @@ import (
 type (
 	Evidence struct {
 		ID          gid.GID       `db:"id"`
-		TaskID      gid.GID       `db:"task_id"`
+		TaskID      *gid.GID      `db:"task_id"`
 		State       EvidenceState `db:"state"`
 		Type        EvidenceType  `db:"type"`
 		ObjectKey   string        `db:"object_key"`

pkg/coredata/migrations/20250327T065928Z.sql

@@ -0,0 +1,9 @@
+ALTER TABLE evidences DROP CONSTRAINT evidences_task_id_fkey;
+
+ALTER TABLE evidences
+  ADD CONSTRAINT evidences_task_id_fkey
+  FOREIGN KEY (task_id)
+  REFERENCES tasks(id)
+  ON DELETE SET NULL;
+
+ALTER TABLE evidences ALTER COLUMN task_id DROP NOT NULL;