feat(store): add Area admission and audit outbox [T-010]

Sense/internal/store/repository.go

@@ -18,6 +18,9 @@ const (
 var (
 	ErrQuotaProjectionUnavailable = errors.New("quota projection unavailable")
 	ErrQuotaProjectionInvalid     = errors.New("quota projection invalid")
+	ErrAreaPolicyUnavailable      = errors.New("area policy unavailable")
+	ErrAreaPolicyInvalid          = errors.New("area policy invalid")
+	ErrAreaPolicyDenied           = errors.New("area policy denies imaging device")
 )
 
 // Repository is the storage boundary used by the Sense process. SQLite stays
@@ -61,3 +64,22 @@ func projectionUnavailable() error {
 func projectionInvalid() error {
 	return &quotaProjectionError{kind: ErrQuotaProjectionInvalid}
 }
+
+type areaPolicyError struct {
+	kind error
+}
+
+func (e *areaPolicyError) Error() string { return e.kind.Error() }
+func (e *areaPolicyError) Unwrap() error { return e.kind }
+
+func areaPolicyUnavailable() error {
+	return &areaPolicyError{kind: ErrAreaPolicyUnavailable}
+}
+
+func areaPolicyInvalid() error {
+	return &areaPolicyError{kind: ErrAreaPolicyInvalid}
+}
+
+func areaPolicyDenied() error {
+	return &areaPolicyError{kind: ErrAreaPolicyDenied}
+}