feat: govern legacy archive encryption

src/govoplan_campaign/backend/persistence/campaigns.py

@@ -40,6 +40,10 @@ from govoplan_campaign.backend.db.models import (
     JobSendStatus,
     JobValidationStatus,
 )
+from govoplan_campaign.backend.archive_encryption import (
+    CampaignArchiveEncryptionError,
+    assert_archive_encryption_allowed,
+)
 from govoplan_campaign.backend.campaign.loader import (
     load_campaign_json,
     validate_against_schema,
@@ -657,6 +661,15 @@ def validate_campaign_version(
         raise CampaignPersistenceError(
             "Campaign version is not accessible for this tenant"
         )
+    try:
+        archive_policy = assert_archive_encryption_allowed(
+            session,
+            campaign,
+            version.raw_json if isinstance(version.raw_json, dict) else {},
+            principal=principal,
+        )
+    except CampaignArchiveEncryptionError as exc:
+        raise CampaignPersistenceError(str(exc)) from exc
     _ensure_current_campaign_version(campaign, version, action="validate")
     if _version_is_user_locked(version) or version.workflow_state in {
         CampaignVersionWorkflowState.QUEUED.value,
@@ -734,6 +747,7 @@ def validate_campaign_version(
             "warning_count": report.warning_count,
             "validated_at": datetime.now(UTC).isoformat(),
             "validated_by_user_id": user_id,
+            "archive_encryption_policy": archive_policy.to_dict(),
         }
     )
     version.validation_summary = report_json
@@ -1430,6 +1444,11 @@ def _store_execution_snapshot(
         delivery=config.delivery,
         jobs=jobs,
         build_summary=build_summary,
+        archive_encryption=(
+            build_summary.get("archive_encryption")
+            if isinstance(build_summary.get("archive_encryption"), dict)
+            else None
+        ),
     )
     version.execution_snapshot = snapshot
     version.execution_snapshot_hash = snapshot_hash
@@ -1615,6 +1634,15 @@ def build_campaign_version(
         raise CampaignPersistenceError(
             "Campaign version is not accessible for this tenant"
         )
+    try:
+        archive_policy = assert_archive_encryption_allowed(
+            session,
+            campaign,
+            version.raw_json if isinstance(version.raw_json, dict) else {},
+            principal=principal,
+        )
+    except CampaignArchiveEncryptionError as exc:
+        raise CampaignPersistenceError(str(exc)) from exc
     _ensure_current_campaign_version(campaign, version, action="build")
     if version.workflow_state == CampaignVersionWorkflowState.COMPLETED.value:
         raise CampaignPersistenceError("Sent campaign versions cannot be rebuilt")
@@ -1749,6 +1777,25 @@ def build_campaign_version(
             )
         report_json = _campaign_build_report(result, files)
         report_json["built_by_user_id"] = user_id
+        archive_records = [
+            {
+                **archive,
+                "campaign_id": campaign.id,
+                "campaign_version_id": version.id,
+                "build_token": report_json["build_token"],
+                "built_at": report_json["built_at"],
+                "policy_hash": archive_policy.policy_hash,
+                "policy_source_path": [
+                    dict(item) for item in archive_policy.source_path
+                ],
+            }
+            for message in result.report.messages
+            for archive in message.archive_evidence
+        ]
+        report_json["archive_encryption"] = {
+            "policy": archive_policy.to_dict(),
+            "archives": archive_records,
+        }
         if resolved_print_outputs_by_index:
             first_output = next(iter(resolved_print_outputs_by_index.values()))
             report_json["print_output"] = {