(Tcl) Prove Stateful Multi-Turn Conversation

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Note: This example requires Chilkat v11.2.0 or greater.

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load ./chilkat.dll

set success 0

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

set ai [new_CkAi]

# The provider can be "openai", "google", "claude", "deepseek", "xai", or "perplexity".
# Support for additional providers will be added in future versions of Chilkat.
CkAi_put_Provider $ai "google"

# Use your provider's API key.
CkAi_put_ApiKey $ai "MY_API_KEY"

# Choose a model.
CkAi_put_Model $ai "gemini-2.5-flash"

# Create a new conversation to be maintained locally in memory.
# If the conversation is the first to be created, it is also automatically selected.
set systemMsg "You are a helpful assistant"
set developerMsg ""
set conversationName "test_conversation"
CkAi_NewConvo $ai $conversationName $systemMsg $developerMsg

# -------------------------------------------------------------------------------------------
# Our first request will establish a secret that we'll ask for in the 2nd request.
# Add a text input.
CkAi_InputAddText $ai "Please remember this: The word I'll ask for later is BlubberFish.  What's the word?"

# Ask the AI for text output.
set success [CkAi_Ask $ai "text"]
if {$success == 0} then {
    puts [CkAi_lastErrorText $ai]
    delete_CkAi $ai
    exit
}

# Note: The inputs accumulated through one or more calls to Input* methods are cleared when the Ask method returns with success.

# Get the text response.
set sbResponse [new_CkStringBuilder]

CkAi_GetOutputTextSb $ai $sbResponse
puts [CkStringBuilder_getAsString $sbResponse]
puts "----"

# Sample output:

# The word is **BlubberFish**.

# -------------------------------------------------------------------------------------------
# Let's ask for the word. If this is a stateful conversation, the AI should respond correctly.
CkAi_InputAddText $ai "OK, I'm going to ask you again, what's the word?"
set success [CkAi_Ask $ai "text"]
if {$success == 0} then {
    puts [CkAi_lastErrorText $ai]
    delete_CkAi $ai
    delete_CkStringBuilder $sbResponse
    exit
}

# Get the text response.
CkStringBuilder_Clear $sbResponse
CkAi_GetOutputTextSb $ai $sbResponse
puts [CkStringBuilder_getAsString $sbResponse]

# Sample output:

# The word is **BlubberFish**.

# -------------------------------------------------------------------------------------------
# Look at the conversation so far...
# 
set json [new_CkJsonObject]

CkAi_ExportConvo $ai $conversationName $json
CkJsonObject_put_EmitCompact $json 0
puts [CkJsonObject_emit $json]

# Note: The conversation transcript format exported and imported by Chilkat is always the OpenAI format,
# regardless of the AI provider.  (Chilkat translates the format from OpenAI to whatever is needed by the actual AI provider being used.)

# {
#   "input": [
#     {
#       "role": "system",
#       "content": [
#         {
#           "type": "input_text",
#           "text": "You are a helpful assistant"
#         }
#       ]
#     },
#     {
#       "role": "user",
#       "content": [
#         {
#           "type": "input_text",
#           "text": "Please remember this: The word I'll ask for later is BlubberFish.  What's the word?"
#         }
#       ]
#     },
#     {
#       "role": "assistant",
#       "content": [
#         {
#           "type": "output_text",
#           "text": "The word is **BlubberFish**."
#         }
#       ]
#     },
#     {
#       "role": "user",
#       "content": [
#         {
#           "type": "input_text",
#           "text": "OK, I'm going to ask you again, what's the word?"
#         }
#       ]
#     },
#     {
#       "role": "assistant",
#       "content": [
#         {
#           "type": "output_text",
#           "text": "The word is **BlubberFish**."
#         }
#       ]
#     }
#   ]
# }

# -------------------------------------------------------------------------------------------
# If we unselect the conversation, so that no conversation is selected,
# then the same query results in the AI not knowing the word.

CkAi_put_SelectedConvo $ai ""

CkAi_InputAddText $ai "OK, I'm going to ask you again, what's the word?"
set success [CkAi_Ask $ai "text"]
if {$success == 0} then {
    puts [CkAi_lastErrorText $ai]
    delete_CkAi $ai
    delete_CkStringBuilder $sbResponse
    delete_CkJsonObject $json
    exit
}

# Get the text response.
CkStringBuilder_Clear $sbResponse
CkAi_GetOutputTextSb $ai $sbResponse
puts [CkStringBuilder_getAsString $sbResponse]

# Sample output:

# I apologize, but I don't have the context of our previous interaction or what "the word" you're referring to might be.
# Could you please remind me or provide the clue again? I'm ready to help you figure it out!

delete_CkAi $ai
delete_CkStringBuilder $sbResponse
delete_CkJsonObject $json