Theia AI - Epic - next

[JonasHelming]

Coder / Agent improvements

• [Theia AI] Coder ChangeSet minor issue - Delete the change set when all changes are deleted #15048
• [Theia AI] Diff editor line wrapping #15105
• Add task management functionality to CoderAgent #15094
• [Theia AI] Add function to validate a file #14973
• Allow project specific prompt additions (e.g. workspace structure)
• [Theia AI] Support multi root workspaces in workspace functions, changeset functions and context
• Handle agents that do not resolve the context in a user friendly way
• Prompt LLMs to produce links for files, so you can click them.
• Allow Coder to search workspace

Chat View improvements

• [Theia AI] Pin Agent - minor issue: need to add space after this operation #15051
• [Theia AI] Hashtags always autocomplete in the chat #15028
• [Theia AI] Bad UX when scrolling up while a tool and its spinner is running or while streaming the response... #15049
• [Theia AI] Paste does not work in the right-click menu of chat input #15054
• Code blocks show a focus border at the bottom, we probably need a similar fix as for the Chat Input (fixed with chore(chat): minor chat style improvements #15112)
• [Theia AI] Edit user messages / branch off conversations
• Change Set: The ScanOSS button seems too large, especially since it is just an information that everything is ok. We should also consider moving the information down to the single files (e.g. as an overlay of the file icon)
• ScanOSS icon above code blocks seems larger and doesn’t have the same foreground color as the other icons
• AI scroll-lock suggestions #14362
• Make it easier to find chat sessions by properly naming them #15115
• [Theia AI] Repeat last user requests
• Chat UI issues in secondary window: Missing styling and file variable picker does not work #15164

General Features

• [Theia AI] Support prompt fragments #14899
• initial thinking support for claude #15092
• [Theia AI] Add LLMSettings to UI #15100
• Allow to add all MCP functions to a prompt without listing them explicitly #14952
• Support more MCP concepts (roots, resources, templates)
• [Theia AI] Persistence for chats #15031
• Support Gemini API
• Git Agent
• changing model request settings requires a restart

General Improvements

• [Theia AI] Agent settings, AI settings and history view should be reachable from the chat
• [Theia AI] Add reference to AI configuration view in the settings #15160
• [Theia AI] Put all prompts under MIT #15158
• [Theia AI] Add gpt-4.5-preview as a default model #15089
• Support Prompt caching
• Revisit code completion (not as reliable or fast as copilot)
• Missing I18N in UI #15035
• [Theia AI] Re-Investigate how function calls should remain in the message history #15034
• Rearchitecture Monaco integration for Inline editors, should resolve the workaround added with Chat Input is unusable #14924, Error: There are no document for untitled:/Untitled-1aichatviewlanguage #14842 and the vim extension (and other extensions) conflict
• Chat view conflicts with vim extension in Theia IDE
• [Theia AI] Show a dirty marker on agents with changed prompts (in the chat and the config view)
• Generalize or move ChangeSetVariableContribution and ContextSummaryVariableContribution #15001
• Improve preferences editing, i.e. create a UI for the complex AI features
• Agent settings do not validate in preferences
• Make Orchestrator more usable | It could mention pinning and shorten requests for classification
• Function schema should support full JSON Schema, see Support anyOf in function parameters #15012
• Code output from o3-mini language model is not formatted #14846
• [Theia AI] Tool Calling with OpenAI API Bug/Improvement: Ensure each function has a clear schema #14663
• Support AI variable dependencies explicitly #15000
• [Theia AI] Show the used context in the AI chat response #14961