webui: save model name with conversation history (#13570)

[deepanshu2015]

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added the support for model name in AI chat message as requested.

It saves the model in local index.db as well as shown in below image

[Copilot]

Pull Request Overview

This PR adds support for storing and displaying the model name in conversation history.

• Adds an optional modelName field to the Conversation type.
• Updates Dexie storage schema and createConversation to include modelName.
• Updates the app context and ChatMessage component to extract and display the model name.

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
tools/server/webui/src/utils/types.ts	Adds an optional modelName property to the Conversation interface.
tools/server/webui/src/utils/storage.ts	Updates Dexie versions with a new schema including modelName and modifies createConversation function to accept modelName.
tools/server/webui/src/utils/app.context.tsx	Extracts modelName from serverProps and passes it to createConversation.
tools/server/webui/src/components/ChatMessage.tsx	Updates useAppContext destructuring and displays the model name for assistant messages.

Comments suppressed due to low confidence (1)

tools/server/webui/src/components/ChatMessage.tsx:194

• Consider displaying the model name saved in the conversation object instead of re-extracting it from serverProps. This change would ensure consistency between what is saved and what is rendered for the user.

{msg.role === 'assistant' && serverProps?.model_path && (

[am17an]

This is being worked on at #14065