feat(decisions): add governed DSAR coverage

src/govoplan_decisions/backend/manifest.py

@@ -22,6 +22,10 @@ from govoplan_core.core.provider_governance import declared_module_architecture
 from govoplan_core.core.search import SearchSourceProviderRegistration
 from govoplan_core.db.base import Base
 from govoplan_decisions.backend.db import models as decision_models
+from govoplan_decisions.backend.dsar_provider import (
+    DECISIONS_DSAR_CAPABILITY,
+    DecisionsDsarProvider,
+)
 from govoplan_decisions.backend.record_source import (
     CAPABILITY_RECORD_SOURCE_DECISIONS,
     create_decisions_record_source,
@@ -63,6 +67,10 @@ def _registry(_context: ModuleContext) -> SqlDecisionRegistry:
     return SqlDecisionRegistry()
 
 
+def _dsar_provider(_context: ModuleContext) -> DecisionsDsarProvider:
+    return DecisionsDsarProvider()
+
+
 manifest = ModuleManifest(
     id=MODULE_ID,
     name=MODULE_NAME,
@@ -85,6 +93,7 @@ manifest = ModuleManifest(
         ModuleInterfaceProvider(
             name=CAPABILITY_RECORD_SOURCE_DECISIONS, version="1.0.0"
         ),
+        ModuleInterfaceProvider(name=DECISIONS_DSAR_CAPABILITY, version="0.1.0"),
     ),
     permissions=(
         _permission(
@@ -126,6 +135,7 @@ manifest = ModuleManifest(
     capability_factories={
         CAPABILITY_DECISION_REGISTRY: _registry,
         CAPABILITY_RECORD_SOURCE_DECISIONS: create_decisions_record_source,
+        DECISIONS_DSAR_CAPABILITY: _dsar_provider,
     },
     capability_documentation={
         CAPABILITY_DECISION_REGISTRY: CapabilityDocumentation(
@@ -138,6 +148,14 @@ manifest = ModuleManifest(
             summary="Resolves complete, currently authorized immutable Decision revisions for Records filing.",
             contract_version="1.0.0",
         ),
+        DECISIONS_DSAR_CAPABILITY: CapabilityDocumentation(
+            label="Decisions data-subject request provider",
+            summary=(
+                "Exports minimized formal-Decision creator attribution without "
+                "protected reasoning, outcomes, conditions, or payloads."
+            ),
+            contract_version="0.1.0",
+        ),
     },
     migration_spec=MigrationSpec(
         module_id=MODULE_ID,
@@ -161,6 +179,40 @@ manifest = ModuleManifest(
         ),
     ),
     documentation=(
+        DocumentationTopic(
+            id="decisions.data-subject-requests",
+            title="Formal Decision data-subject requests",
+            summary=(
+                "Export minimized creator attribution from immutable formal Decision "
+                "revisions without exposing protected Decision content."
+            ),
+            body=(
+                "Decisions searches exact account, membership, identity, or explicit "
+                "actor identifiers inside the active tenant. An optional Decision "
+                "identifier only narrows that verified actor search and cannot disclose "
+                "a Decision by itself. The access record contains revision, type, state, "
+                "valid-time, recorded-time, and creator activity only. Protected "
+                "reasoning, operative results, conditions, evidence payloads, and "
+                "digests remain excluded. Formal Decision history is immutable legal "
+                "and institutional evidence, so the provider publishes retain-only "
+                "erasure outcomes and never rewrites a revision."
+            ),
+            layer="configured",
+            documentation_types=("admin", "user"),
+            audience=("user", "operator", "module_admin", "auditor"),
+            related_modules=("core", "approvals", "committee", "records"),
+            metadata={
+                "help_contexts": ["privacy.data-subject-requests"],
+                "consequence_classes": {
+                    "export_creator_attribution": (
+                        "Returns lifecycle and creator context without protected payloads."
+                    ),
+                    "retain_formal_history": (
+                        "Preserves immutable institutional and legal evidence."
+                    ),
+                },
+            },
+        ),
         DocumentationTopic(
             id="decisions.formal-outcome",
             title="Formal institutional Decisions",