feat: contribute bounded policy impact subjects

src/govoplan_views/backend/manifest.py

@@ -22,6 +22,7 @@ from govoplan_core.core.modules import (
     RoleTemplate,
 )
 from govoplan_core.core.provider_governance import declared_module_architecture
+from govoplan_core.core.policy import CAPABILITY_POLICY_IMPACT_SUBJECT_PREFIX
 from govoplan_core.core.views import CAPABILITY_VIEWS_RESOLVER, ViewSurface
 from govoplan_core.db.base import Base
 from govoplan_views.backend.db import models as view_models
@@ -207,6 +208,14 @@ def _resolver(context: ModuleContext):
     return resolver_capability(context)
 
 
+def _policy_impact_subjects(context: ModuleContext):
+    from govoplan_views.backend.impact_subjects import (
+        ViewsPolicyImpactSubjectProvider,
+    )
+
+    return ViewsPolicyImpactSubjectProvider(context.registry)
+
+
 manifest = ModuleManifest(
     id=MODULE_ID,
     name=MODULE_NAME,
@@ -288,6 +297,7 @@ manifest = ModuleManifest(
     ),
     capability_factories={
         CAPABILITY_VIEWS_RESOLVER: _resolver,
+        f"{CAPABILITY_POLICY_IMPACT_SUBJECT_PREFIX}views": _policy_impact_subjects,
     },
     documentation=(
         DocumentationTopic(
@@ -313,6 +323,10 @@ manifest = ModuleManifest(
                 "While a focus is active, All available tools temporarily restores that same permission-derived "
                 "rail without changing the View or saving an override. Workflow uses "
                 "the same behavior by resolving the exact immutable View revision."
+                " When Policy is enabled, Views contributes a bounded catalogue of "
+                "View definitions, actions, and registered surfaces to policy-impact "
+                "previews. The provider is tenant-filtered, honors an explicit limit, "
+                "and never grants Policy access to View implementation internals."
             ),
             layer="available",
             documentation_types=("admin", "user"),