--------------------------------------------------------------------------- modelToolSearchTool (Mode 2) tests ---------------------------------------

TestMultiModalReadFileTool_CustomDescNoSuffix verifies that when a custom desc is provided, the multimodal suffix is NOT appended (user's desc replace

TestMultiModalReadFileTool_EmptyPartDataError verifies that a FileContentPart with empty Data fails explicitly rather than silently encoding to an emp

TestMultiModalReadFileTool_NilResult verifies that newMultiModalReadFileTool does not panic when MultiModalRead returns nil, and returns a text part w

TestMultiModalReadFileTool_SchemaContainsAllFields verifies that the JSON schema exposed to the LLM includes both the embedded readFileArgs fields (fi

TestNestedChatModelAgentWithAgentTool verifies that the shouldFire method correctly prevents duplicate event firing in nested ChatModelAgent scenarios

--------------------------------------------------------------------------- TestNew — error paths for New() ------------------------------------------

TestNewExecutor tests the NewExecutor function

--- NewMiddleware tests ---

TestNewPlanExecuteAgent tests the New function

TestNewPlanner tests the NewPlanner function with ChatModelWithFormattedOutput

TestNewPlannerWithToolCalling tests the NewPlanner function with ToolCallingChatModel

TestNewReplanner tests the NewReplanner function