v0.3.3-pre.006

crates/ksp-store-postgres-lib/src/error.rs

@@ -1,5 +1,5 @@
 // file: crates/ksp-store-postgres-lib/src/error.rs
-// version: 6
+// version: 7
 
 /// Stable KSP error code reserved for PostgreSQL retention transitions that require unsupported physical compaction.
 pub const ERROR_CODE_POSTGRES_RETENTION_COMPACTION_UNSUPPORTED: ksp_store_api::ErrorCode =
@@ -23,8 +23,12 @@ pub enum PostgresBackendErrorKind {
     DataInvalid,
     /// PostgreSQL migration/bootstrap execution failed without exposing server text or SQL.
     MigrationFailed,
+    /// The requested RAW page size cannot be represented by PostgreSQL LIMIT plus the continuation probe row.
+    PageLimitUnsupported,
     /// Applied PostgreSQL migration history diverges from the embedded immutable KSP history.
     MigrationMismatch,
+    /// A bounded backend-private RAW query or opaque cursor is invalid for the requested navigation context.
+    QueryInvalid,
     /// A PostgreSQL RAW read statement failed without exposing server text, SQL or bind values.
     ReadFailed,
     /// A RAW write requires an existing canonical reference that is not durable.