Merge branch 'main' into feature/token-count-from-usage

app/MindWork AI Studio/wwwroot/changelog/v26.9.1.md

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 # v26.9.1, build 256 (2026-09-xx xx:xx UTC)
-- Added tools that AI models can use on their own, starting with Web Search and Read Web Page. When you ask something a model cannot answer from what it knows, it now searches the web, reads the pages it found, and answers with the sources it used. You decide which tools a model may use, right below the message field, and you can watch it work: AI Studio shows which tool is running and, afterward, every call it made with its result. Whether tools are offered at all depends on the model because it has to support them. Read Web Page works right away; for Web Search you pick a search service in the app settings — Tavily or Staan with a free API key, or a SearXNG instance you run yourself. Set up more than one, and they can take turns when one of them finds nothing, or be asked all at once with their results combined. Many thanks to Peer Schütt (`peerschuett`) and Nils Kruthoff (`nilskruthoff`) for building this feature.
+- Added a way to copy an entire chat, either with the button in the chat toolbar or next to the chat in the chat list. The copy opens right away so you can continue in it, while the original conversation stays exactly as it was. Many thanks to Peer Hogeterp (`peerschuett`) and Jens Erler (`j-erler`) for this feature.
+- Added a way to roll a chat back to an earlier AI response. The response you pick stays, and every message after it is removed permanently, together with the attachments of those messages.
+- Added a way to save a single code block of an answer. When an answer holds a web page, a LaTeX document, or a Markdown text, the export menu now offers that block as a file of its own.
+- Added tools that AI models can use on their own, starting with Web Search and Read Web Page. When you ask something a model cannot answer from what it knows, it now searches the web, reads the pages it found, and answers with the sources it used. You decide which tools a model may use, right below the message field, and you can watch it work: AI Studio shows which tool is running and, afterward, every call it made with its result. Whether tools are offered at all depends on the model because it has to support them. Read Web Page works right away; for Web Search you pick a search service in the app settings — Tavily or Staan with a free API key, or a SearXNG instance you run yourself. Set up more than one, and they can take turns when one of them finds nothing, or be asked all at once with their results combined. Many thanks to Peer Hogeterp (`peerschuett`) and Nils Kruthoff (`nilskruthoff`) for building this feature.
 - Added answers that appear word by word even while the AI uses its tools. You read along as the model writes, including the short note it puts down before it looks something up, and the answer that follows a tool call arrives the same way instead of all at once at the end.
 - Added safeguards around everything these tools bring back. Anything fetched from the web is treated as untrusted: AI Studio removes instructions hidden in a page before a model reads it and tells you when it did, exactly as it already does for the documents and web pages you load yourself. A model can never point a tool at your own network. Each tool states how much you have to trust a provider before it may be used with it, so your questions do not travel further than you allow. You can adjust that requirement per tool in the app settings.
 - Added tools to the assistants. Each assistant has its own tool settings: which tools it starts with and whether you get to change them while you work. The chat, the coding assistant, and the Slide Builder always show the selection; for every other assistant you switch it on where you want it.
@@ -7,9 +10,15 @@
 - Added tools to the policies of the Document Analysis assistant. A policy states which tools an analysis may use, and the AI uses exactly those — nobody has to pick them per document. AI Studio warns you beforehand when the provider you selected is not trusted enough for a tool the policy names. IT departments can roll policies out together with their tools.
 - Added tools to assistant plugins and direct-chat launchers. Plugin authors name them in the new `ToolIds` field, either as the tools an assistant runs with or as the tools a launcher preselects for the chat it opens; the example assistant plugin shows both. Which tools an assistant asks for is part of what you get to see before you enable it: its security card names them, and the security audit takes them into account.
 - Added tools to the Assistant Builder. For a direct-chat launcher you pick them yourself, alongside the workspace, provider, and data sources. For an assistant, the AI chooses from the tools installed here and says so in the draft, so you see the decision before the assistant is written.
+- Added tools and data sources to your chat templates. A template can now decide which tools a chat starts with and which of your documents it may search, so a template such as "Research in our intranet" is complete on its own instead of leaving you to set the same things up by hand every time you switch to it.
+- Added a way for IT departments to roll out chat templates that bring their own tools and data sources. You do not have to write any of it by hand: set the template up in the app, then export it as ready-made Lua code for your configuration plugin.
 - Added organization-wide management for tools. Among other options, IT departments can switch tools off entirely, disable individual ones, or define the provider trust a tool requires. You do not have to write any of it by hand: set a tool up in the app, then export its configuration as ready-made Lua code for your plugin, with encrypted API keys if you want them.
 - Added tool calling to the abilities you can state yourself in the expert provider settings. When you use a model AI Studio does not recognize as tool-capable, you can now declare that it is, the same way you already could for image input or reasoning. It works in the other direction as well: a model AI Studio has never heard of is offered tools, because most models can use them by now. Should one turn out not to be able to, AI Studio says so in plain words and points you to the same setting to switch the ability off again, instead of only passing the provider's error on.
+- Added a Search Confluence tool, so the AI can look things up in your organization's Confluence Data Center wiki. Set your wiki's address in the tool settings. Selecting the tool also selects Read Web Page, which the AI uses to open the pages it found. Confluence Cloud is not supported yet. Many thanks to Peer Hogeterp (`peerschuett`) for this tool.
+- Added sign-in with your operating system account to the Search Confluence tool for a wiki on your organization's network, so you do not have to enter a password. When your wiki does not accept that sign-in, AI Studio tells you so instead of reporting an empty search.
+- Added safeguards to the Search Confluence tool: it works only with a High-confidence provider, and it never follows a redirect that leads away from your wiki. Each search appears in the sources of the answer.
 - Added support for OpenAI's GPT-6 Astra.
+- Added a way to keep improving a prompt in the Prompt Optimizer. Select "Improve further" to move the latest proposal back into the prompt field, edit it the way you want, and optimize it again. Your recommendations and everything you selected stay as they are.
 - Added the context window to what AI Studio knows about a model, wherever its metadata states one.
 - Added a live read of that context window at the providers which report it, among them Mistral, Groq, OpenRouter, and self-hosted vLLM servers. You then get the window your own server was started with, not the one the model card advertises.
 - Added a token count below the message field, so you always see how much of the conversation you have used. It counts everything that travels along: your messages, the files you attached, what your data sources contributed, and the tools you offered the AI. It can be an estimate when a provider does not give AI Studio everything it needs to count exactly.
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 - Improved the question AI Studio asks before you delete an embedding provider. It now names the data sources depending on that provider, together with what they can still do without it.
 - Improved what the AI is told when it answers from your own documents (RAG): it now learns which page a passage came from, so it can name the page an answer rests on.
 - Improved what happens when you ask for web content to be cleaned up and no model is available for it. AI Studio loads the page and tells you it arrived uncleaned, instead of quietly handing you the raw page with its navigation and advertising still in it.
+- Improved the file name AI Studio suggests when you export an answer. Instead of always proposing "export", it now suggests the name of your chat or of the assistant you are working in. In the Document Analysis assistant, it suggests the name of the policy.
+- Changed what a tile that opens a chat directly starts with: when it uses a chat template that brings its own tools or data sources, that template decides them. The Assistant Builder says so while you build such a tile.
 - Changed which model a security check of an assistant plugin may fall back on. When you have set none aside for these checks, AI Studio uses the model you were working with, but only when that model meets the trust your organization requires for a check. One ruled out for that purpose no longer gets to read a plugin's code.
 - Changed how provider trust and provider confidence work together. Marking a provider as trustworthy in a configuration no longer also satisfies a required confidence level: one says who runs the provider, the other how confidential it is. Organizations raise a provider's level in their own confidence scheme instead. This applies beyond local data sources, for example, when a model reads a page from your intranet.
 - Fixed the abilities AI Studio assumed for many models. We checked the families against their documentation: some models gained image input, reasoning, or tool calling, others lost an ability they never had.
@@ -67,6 +78,7 @@
 - Fixed the Visual Briefing assistant (in preview) not scrolling, which put everything below the window edge out of reach and made the assistant unusable. The briefing preview is now shown at its intended size inside its frame, and switching between the desktop, tablet, and mobile view changes its width as it should.
 - Fixed exported answers losing their sources. When an answer is based on web pages a tool read or on documents of your own, the exported file now lists those sources in every format AI Studio writes.
 - Fixed the copy button leaving the sources behind. Copy an answer, and its sources come along.
+- Fixed exported web pages showing a cryptic string of letters and digits as their title in the browser tab. They now carry the name of their file.
 - Fixed a tile that opens a chat directly always demanding a workspace. Leave the workspace empty in the Assistant Builder, and the tile opens a disappearing chat instead.
 - Fixed the same restriction for plugin authors: a direct-chat launcher can now open a chat without naming a workspace. The example assistant plugin shows both ways.
 - Fixed the security check of an assistant plugin being impossible when no model is set aside for such checks, and you have no app-wide default either. The dialog now lets you pick one, and that choice applies to this one check. Before, the button to start the check was greyed out with nothing saying why, so the plugin could not be enabled at all.
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 - Fixed AI Studio asking such a server for its models with an empty key attached when you had stored none at all. Servers behind a login turn those requests down.
 - Fixed a key that could not be saved going unmentioned for the servers you host yourself. You are now told what went wrong, instead of the settings simply staying open.
 - Fixed transcripts quietly losing what was said softly, such as a greeting at the very beginning of a recording. AI Studio compressed recordings so far before sending them to your transcription provider that the model could no longer make out those passages. Recordings now keep enough details for the whole of what you said to arrive.
+- Fixed AI Studio seeming to hang for minutes when a chat had grown too large for the model. Some providers turn such a chat down in a way AI Studio did not recognize, so it kept sending the very same chat again and again. You are now told right away that the chat, including its attachments, is too large for the selected model.
+- Fixed AI Studio trying for minutes when a provider turns a request down for good. Such an answer does not change by asking a second time, so AI Studio now stops at the first one and tells you what the provider said about it.
+- Fixed errors about a provider arriving as two messages at once, the second of which spoke of several attempts that were never made. You now get the single message which names the cause.
+- Fixed the button in the chat toolbar that deletes the current chat and starts a new one doing so without asking. It now asks for your confirmation first, just like the chat list does, because a deleted chat cannot be brought back. The button shows a delete icon in red now, instead of one that looked like a reload.
+- Fixed AI Studio following your system into light or dark mode even though you had chosen a fixed color theme in the app settings.
+- Fixed AI Studio keeping its previous color theme after your computer woke up from sleep, when your system had switched between light and dark mode during that time.
 - Upgraded the Visual Briefing assistant (in preview) from the prototype to the beta state. The assistant is now completely implemented and is undergoing a deeper testing phase in preparation for release. To try it, open the app settings, allow preview features down to beta, and then enable the Visual Briefing assistant there.
 - Upgraded the vector database behind local RAG (Qdrant Edge) to version 0.8.0.

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