diff --git a/.gitignore b/.gitignore
index 8aa86d8..00a3524 100644
--- a/.gitignore
+++ b/.gitignore
@@ -332,3 +332,18 @@ cython_debug/
 webui/.policy-test-build/
 webui/.template-preview-test-build/
 webui/.import-test-build/
+
+# GovOPlaN shared ignore rules from govoplan-core
+# Local WebUI test/build scratch directories
+.component-test-build/
+.module-test-build/
+.policy-test-build/
+.template-preview-test-build/
+.import-test-build/
+webui/.component-test-build/
+webui/.module-test-build/
+*.db
+# GovOPlaN local runtime state
+runtime/
+webui/.module-test-build/
+webui/.component-test-build/
diff --git a/src/govoplan_campaign/backend/manifest.py b/src/govoplan_campaign/backend/manifest.py
index e94b2e9..6bdee7c 100644
--- a/src/govoplan_campaign/backend/manifest.py
+++ b/src/govoplan_campaign/backend/manifest.py
@@ -11,7 +11,17 @@ from govoplan_core.core.campaigns import (
     CAPABILITY_CAMPAIGNS_RETENTION,
 )
 from govoplan_core.core.module_guards import drop_table_retirement_provider, persistent_table_uninstall_guard
-from govoplan_core.core.modules import FrontendModule, MigrationSpec, ModuleContext, ModuleManifest, NavItem, PermissionDefinition, RoleTemplate
+from govoplan_core.core.modules import (
+    FrontendModule,
+    MigrationSpec,
+    ModuleContext,
+    ModuleInterfaceProvider,
+    ModuleInterfaceRequirement,
+    ModuleManifest,
+    NavItem,
+    PermissionDefinition,
+    RoleTemplate,
+)
 from govoplan_core.db.base import Base
 from govoplan_campaign.backend.change_tracking import register_campaign_change_tracking
 from govoplan_campaign.backend.db import models as campaign_models  # noqa: F401 - populate Campaign ORM metadata
@@ -135,6 +145,27 @@ manifest = ModuleManifest(
     version="0.1.6",
     required_capabilities=(CAPABILITY_AUTH_PRINCIPAL_RESOLVER, CAPABILITY_AUTH_PERMISSION_EVALUATOR),
     optional_dependencies=("files", "mail"),
+    provides_interfaces=(
+        ModuleInterfaceProvider(name="campaigns.access", version="0.1.6"),
+        ModuleInterfaceProvider(name="campaigns.delivery_tasks", version="0.1.6"),
+        ModuleInterfaceProvider(name="campaigns.mail_policy_context", version="0.1.6"),
+        ModuleInterfaceProvider(name="campaigns.policy_context", version="0.1.6"),
+        ModuleInterfaceProvider(name="campaigns.retention", version="0.1.6"),
+    ),
+    requires_interfaces=(
+        ModuleInterfaceRequirement(
+            name="files.campaign_attachments",
+            version_min="0.1.0",
+            version_max_exclusive="0.2.0",
+            optional=True,
+        ),
+        ModuleInterfaceRequirement(
+            name="mail.campaign_delivery",
+            version_min="0.1.0",
+            version_max_exclusive="0.2.0",
+            optional=True,
+        ),
+    ),
     permissions=PERMISSIONS,
     route_factory=_campaigns_router,
     role_templates=ROLE_TEMPLATES,