[Feature] memory system layer stateful

.gitignore

@@ -77,7 +77,7 @@ logs/
 *.log.*
 *.out
 *.err
-
+*txt
 # Runtime data
 pids/
 *.pid

core/src/errors.rs

@@ -126,6 +126,13 @@ pub enum GraphBitError {
         /// Error message
         message: String,
     },
+
+    /// Memory system errors
+    #[error("Memory error: {message}")]
+    Memory {
+        /// Error message
+        message: String,
+    },
 }
 
 impl GraphBitError {
@@ -211,6 +218,13 @@ impl GraphBitError {
         }
     }
 
+    /// Create a new memory error
+    pub fn memory(message: impl Into<String>) -> Self {
+        Self::Memory {
+            message: message.into(),
+        }
+    }
+
     /// Check if the error is retryable
     pub fn is_retryable(&self) -> bool {
         matches!(
@@ -269,3 +283,12 @@ impl From<std::io::Error> for GraphBitError {
         }
     }
 }
+
+impl From<uuid::Error> for GraphBitError {
+    fn from(error: uuid::Error) -> Self {
+        Self::Validation {
+            field: "uuid".to_string(),
+            message: error.to_string(),
+        }
+    }
+}

core/src/lib.rs

@@ -16,6 +16,7 @@ pub mod embeddings;
 pub mod errors;
 pub mod graph;
 pub mod llm;
+pub mod memory;
 pub mod text_splitter;
 pub mod types;
 pub mod validation;

core/src/llm/azure_openai.rs

@@ -425,4 +425,4 @@ mod tests {
         assert_eq!(azure_tool.function.description, "Get the current weather");
         assert_eq!(azure_tool.function.parameters["type"], "object");
     }
-}
+}