feat(module): expose query-less document recall

api/src/null.rs

@@ -266,6 +266,14 @@ impl MemoryDocuments for NullMemoryProvider {
     ) -> Result<NamespaceRetrievalContext, MemoryError> {
         unsupported(Capability::Documents)
     }
+
+    async fn recall_documents(
+        &self,
+        _namespace: &str,
+        _limit: usize,
+    ) -> Result<NamespaceRetrievalContext, MemoryError> {
+        unsupported(Capability::Documents)
+    }
 }
 
 #[async_trait]

api/src/provider/content.rs

@@ -137,6 +137,21 @@ pub trait MemoryDocuments: Send + Sync {
         query: &str,
         limit: usize,
     ) -> Result<NamespaceRetrievalContext, MemoryError>;
+
+    /// Recall the highest-ranked context from a namespace without a query.
+    ///
+    /// This is a distinct engine operation rather than a query with an empty
+    /// string: query-less recall applies the namespace's freshness and
+    /// priority ranking without introducing a synthetic search term.
+    ///
+    /// # Errors
+    ///
+    /// Backend failures only; an empty namespace returns empty context.
+    async fn recall_documents(
+        &self,
+        namespace: &str,
+        limit: usize,
+    ) -> Result<NamespaceRetrievalContext, MemoryError>;
 }
 
 /// The time-ordered summary tree: buffered leaves rolled up into hour → day →

crates/tinymemory-module/src/provider.rs

@@ -392,6 +392,20 @@ impl MemoryDocuments for ModuleMemoryProvider {
             .map_err(|error| Self::other("query_documents", error))?;
         Self::cross(&context, "convert document query result")
     }
+
+    async fn recall_documents(
+        &self,
+        namespace: &str,
+        limit: usize,
+    ) -> Result<NamespaceRetrievalContext, MemoryError> {
+        let limit = u32::try_from(limit).unwrap_or(u32::MAX);
+        let context = self
+            .client
+            .recall_namespace_context_data(namespace, limit)
+            .await
+            .map_err(|error| Self::other("recall_documents", error))?;
+        Self::cross(&context, "convert document recall result")
+    }
 }
 
 #[async_trait]

crates/tinymemory-module/src/service/mod.rs

@@ -359,6 +359,19 @@ impl MemoryService {
         Ok(response)
     }
 
+    async fn recall_documents(
+        &self,
+        namespace: String,
+        limit: usize,
+    ) -> BusResult<NamespaceRetrievalContext> {
+        let response = require_family!(self, as_documents, Capability::Documents)
+            .recall_documents(&namespace, limit)
+            .await
+            .map_err(|error| into_bus_error(&error))?;
+        ensure_response_fits(&response, "RecallDocuments")?;
+        Ok(response)
+    }
+
     async fn append(&self, request: IngestRequest) -> BusResult<()> {
         require_family!(self, as_tree, Capability::Tree)
             .append(request)