fix: improved db schema strictness

fix

common/schemas/conversation.surql

@@ -3,8 +3,8 @@
 DEFINE TABLE IF NOT EXISTS conversation SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON conversation TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON conversation TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON conversation TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON conversation TYPE datetime;
 
 # Custom fields from the Conversation struct
 DEFINE FIELD IF NOT EXISTS user_id ON conversation TYPE string;

common/schemas/file.surql

@@ -3,8 +3,8 @@
 DEFINE TABLE IF NOT EXISTS file SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON file TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON file TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON file TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON file TYPE datetime;
 
 # Custom fields from the FileInfo struct
 DEFINE FIELD IF NOT EXISTS sha256 ON file TYPE string;

common/schemas/ingestion_task.surql

@@ -3,8 +3,8 @@
 DEFINE TABLE IF NOT EXISTS ingestion_task SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON ingestion_task TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON ingestion_task TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON ingestion_task TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON ingestion_task TYPE datetime;
 
 DEFINE FIELD IF NOT EXISTS content ON ingestion_task TYPE object;
 DEFINE FIELD IF NOT EXISTS status ON ingestion_task TYPE object;

common/schemas/knowledge_entity.surql

@@ -3,8 +3,8 @@
 DEFINE TABLE IF NOT EXISTS knowledge_entity SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON knowledge_entity TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON knowledge_entity TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON knowledge_entity TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON knowledge_entity TYPE datetime;
 
 # Custom fields from the KnowledgeEntity struct
 DEFINE FIELD IF NOT EXISTS source_id ON knowledge_entity TYPE string;

common/schemas/message.surql

@@ -3,8 +3,8 @@
 DEFINE TABLE IF NOT EXISTS message SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON message TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON message TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON message TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON message TYPE datetime;
 
 # Custom fields from the Message struct
 DEFINE FIELD IF NOT EXISTS conversation_id ON message TYPE string;

common/schemas/text_chunk.surql

@@ -3,8 +3,8 @@
 DEFINE TABLE IF NOT EXISTS text_chunk SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON text_chunk TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON text_chunk TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON text_chunk TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON text_chunk TYPE datetime;
 
 # Custom fields from the TextChunk struct
 DEFINE FIELD IF NOT EXISTS source_id ON text_chunk TYPE string;

common/schemas/text_content.surql

@@ -3,8 +3,8 @@
 DEFINE TABLE IF NOT EXISTS text_content SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON text_content TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON text_content TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON text_content TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON text_content TYPE datetime;
 
 # Custom fields from the TextContent struct
 DEFINE FIELD IF NOT EXISTS text ON text_content TYPE string;

common/schemas/user.surql

@@ -4,8 +4,8 @@
 DEFINE TABLE IF NOT EXISTS user SCHEMALESS;
 
 # Standard fields
-DEFINE FIELD IF NOT EXISTS created_at ON user TYPE string;
-DEFINE FIELD IF NOT EXISTS updated_at ON user TYPE string;
+DEFINE FIELD IF NOT EXISTS created_at ON user TYPE datetime;
+DEFINE FIELD IF NOT EXISTS updated_at ON user TYPE datetime;
 
 # Custom fields from the User struct
 DEFINE FIELD IF NOT EXISTS email ON user TYPE string;