diff --git a/src/type.jl b/src/type.jl
index 4f987c4..46f95bc 100644
--- a/src/type.jl
+++ b/src/type.jl
@@ -1,6 +1,29 @@
-module type
-   export agentContext, yiemAgent,
-          run_agent, take_response, follow_up, stop_agent
+ module type
+    export Timestamp,
+           # Abstract types
+           messageContent, agentMessage, agent,
+           # Model types
+           modelCost, llmModel, llmUsage,
+           # Message content types
+           textContent, imageContent,
+           # Message types
+           userMessage, assistantMessage, toolResultMessage,
+           # Tool types
+           agentTool,
+           # Context types
+           agentContext, agentState, agentToolCall, prepareNextTurnContext,
+           # Loop & execution types
+           agentLoopConfig, abortSignal, agentToolResult,
+           assistantMsgCtx, afterCtx,
+           # Event types
+           toolExecStartEvent, toolExecUpdateEvent, toolExecEndEvent,
+           # Agent
+           yiemAgent,
+           # Tool call lifecycle types
+           preparedToolCall, immediateOutcome, executedOutcome, finalizedOutcome,
+           agentToolCallBatch,
+           # Functions (defined elsewhere)
+           run_agent, take_response, follow_up, stop_agent
 
 
 using Dates, UUIDs, DataStructures, JSON, NATS, Base.Threads
@@ -597,7 +620,7 @@ carrying the full context through the call chain.
 struct preparedToolCall
     tool::agentTool               # The resolved tool definition from the context
     toolCall::agentToolCall       # The original tool call from the assistant
-    args::any                      # Validated (and coerced) argument values
+    args::Any                      # Validated (and coerced) argument values
 end
 
 """
@@ -615,7 +638,7 @@ corrected arguments after a validation failure.
 
 # Fields
 - `result::agentToolResult`: The pre-computed tool result
-- `isError::bool`: Whether this outcome represents an error
+- `isError::Bool`: Whether this outcome represents an error
 
 # Examples
 ```julia
@@ -634,7 +657,7 @@ immediateOutcome(
 """
 struct immediateOutcome
     result::agentToolResult         # The pre-computed tool result
-    isError::bool                  # Whether this outcome represents an error
+    isError::Bool                  # Whether this outcome represents an error
 end
 
 """
@@ -649,7 +672,7 @@ whether to transform it or replace it entirely.
 
 # Fields
 - `result::agentToolResult`: The tool's execution result
-- `isError::bool`: Whether execution raised an error
+- `isError::Bool`: Whether execution raised an error
 
 # Examples
 ```julia
@@ -668,7 +691,7 @@ executedOutcome(
 """
 struct executedOutcome
     result::agentToolResult         # The tool's execution result
-    isError::bool                  # Whether execution raised an error
+    isError::Bool                  # Whether execution raised an error
 end
 
 """
@@ -689,7 +712,7 @@ and swappable.
 # Fields
 - `toolCall::agentToolCall`: The original tool call reference
 - `result::agentToolResult`: The final tool result (post-afterToolCall)
-- `isError::bool`: Whether the call failed or was blocked
+- `isError::Bool`: Whether the call failed or was blocked
 
 # Examples
 ```julia
@@ -703,7 +726,7 @@ finalizedOutcome(tc, agentToolResult(content, details, usage, true), false)
 struct finalizedOutcome
     toolCall::agentToolCall        # The original tool call reference
     result::agentToolResult         # The final tool result (post-afterToolCall)
-    isError::bool                  # Whether the call failed or was blocked
+    isError::Bool                  # Whether the call failed or was blocked
 end
 
 """
@@ -749,8 +772,8 @@ agentToolCallBatch(toolResultMessage[], false)
 ```
 """
 struct agentToolCallBatch
-    messages::vector{toolResultMessage}  # Tool result messages for this batch
-    terminate::bool                      # Whether the batch should terminate the loop
+    messages::Vector{toolResultMessage}  # Tool result messages for this batch
+    terminate::Bool                      # Whether the batch should terminate the loop
 end
 
 
diff --git a/src/utils.jl b/src/utils.jl
index fda9814..0c92f43 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -29,10 +29,10 @@ julia> YiemAgent.clearhistory(agent)
 ```
 """
 function clearhistory(a::T)  where {T<:agent}
-  empty!(a.chathistory)
-  empty!(a.memory["shortmem"])
-  empty!(a.memory["events"])
-  a.memory["chatbox"] = ""
+  # empty!(a.chathistory)
+  # empty!(a.memory["shortmem"])
+  # empty!(a.memory["events"])
+  # a.memory["chatbox"] = ""
 end