diff --git a/chat.proto b/chat.proto
index a610d2e..fc5ba00 100644
--- a/chat.proto
+++ b/chat.proto
@@ -2,13 +2,15 @@ syntax = "proto3";
 
 package chatpb;
 
+import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
+
 message Row {
-        repeated string   fields      = 1;
+        repeated string             fields            = 1;
 }
 
 message Table {
-        int32             columns     = 1;
-        repeated Row      rows        = 2;
+        int32                       columns           = 1;
+        repeated Row                rows              = 2;
 }
 
 enum Who {
@@ -17,14 +19,26 @@ enum Who {
         USER = 2;
 }
 
-message Chat {
-        Who               from        = 1;
-        string            content     = 3;
-        Table             table       = 4;
+// NEW: A message to hold all the details of a tool call
+message ToolCall {
+        string                      name              = 1;  // e.g., "Shell"
+        string                      input             = 2;  // The command that was run
+        string                      description       = 3;  // The description for the command
+        string                      output_stdout     = 4;
+        string                      output_stderr     = 5;
+        int32                       exit_code         = 6;
 }
 
-message Chats {                             // `autogenpb:marshal` `autogenpb:mutex`
-        string            uuid        = 1;  // `autogenpb:uuid:9fd31f10-c25d-4d66-bc8d-5f6eb7c79057`
-        string            version     = 2;  // `autogenpb:version:v0.0.1`
-        repeated Chat     Chats       = 3;  // THIS MUST BE  Chat  and then  Chats
+message Chat {
+        Who                         from              = 1;
+        google.protobuf.Timestamp   ctime             = 2;
+        string                      content           = 3;
+        Table                       table             = 4;
+        repeated ToolCall           toolcalls         = 5;
+}
+
+message Chats {                                             // `autogenpb:marshal` `autogenpb:mutex`
+        string                      uuid              = 1;  // `autogenpb:uuid:9fd31f10-c25d-4d66-bc8d-5f6eb7c79057`
+        string                      version           = 2;  // `autogenpb:version:v0.0.1`
+        repeated Chat               Chats             = 3;  // THIS MUST BE  Chat  and then  Chats
 }
diff --git a/make_chat.go b/make_chat.go
index b6736c4..5c7cb75 100644
--- a/make_chat.go
+++ b/make_chat.go
@@ -1,6 +1,11 @@
 package chatpb
 
-import "go.wit.com/log"
+import (
+	"time"
+
+	"go.wit.com/log"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+)
 
 func TestChat() {
 	conversation := NewChats()
@@ -71,6 +76,7 @@ func (c *Chats) AddGeminiComment(s string) {
 
 	chat.From = Who_GEMINI
 	chat.Content = s
+	chat.Ctime = timestamppb.New(time.Now())
 
 	c.Append(chat)
 }
@@ -83,3 +89,15 @@ func (c *Chats) AddUserComment(s string) {
 
 	c.Append(chat)
 }
+
+func UnmarshalChats(data []byte) (*Chats, error) {
+	c := new(Chats)
+	err := c.Unmarshal(data)
+	return c, err
+}
+
+func UnmarshalChatsTEXT(data []byte) (*Chats, error) {
+	c := new(Chats)
+	err := c.UnmarshalTEXT(data)
+	return c, err
+}