feat: Add file upload functionality to prompts #6892

New Issue

2025-11-11T17:08:48-06:00

GiteaMirror commented

2025-11-11 17:08:48 -06:00

Originally created by @Azzeo on GitHub (Nov 11, 2025).

Check Existing Issues

I have searched for all existing open AND closed issues and discussions for similar requests. I have found none that is comparable to my request.

Verify Feature Scope

I have read through and understood the scope definition for feature requests in the Issues section. I believe my feature request meets the definition and belongs in the Issues section instead of the Discussions.

Problem Description

Right now, when creating a Prompt in Workspace → Prompts, I can define text-based variables using the {{}} syntax (including typed inputs like {{description | textarea:required}}). That works great for collecting structured text from the user.

However, there is currently no way to ask the user to upload a file as part of using a prompt. This becomes a limitation for common workflows where the model should process or reference user-provided documents, images, or other files (PDFs, Word documents).

Today, users have to:
upload/attach a file or files in the chat. This breaks some prompts or make them less usable as some file context needs to be inserted in between i.e., instructions.

This breaks the otherwise very nice “fill in the form → run prompt” flow that the current prompt variable system provides.

Desired Solution you'd like

Add first-class support for file inputs in prompt templates so that, when a prompt contains a file variable, the user sees an upload button in the “Input Variables” dialog when invoking that prompt.

Concretely:
Extend the existing prompt variable system ({{variable}} / {{variable | type:...}}) with a file input type (or equivalent).

When a prompt with a file variable is triggered (e.g. via slash command), the dialog should render one or more upload controls corresponding to those variables.

The uploaded file(s) should be passed through to the final prompt / message payload the same way other variable values are, so the model (or connected tooling) can use them.

Ideally support:
single file: {{source_file A | file:required}}
multiple files: {{attachments| file:multiple=true}} (or similar property)
optional files (no :required)

While keeping in mind: RAG or bypass RAG and OCR support (basically use existing file upload functionalities)

Alternatives Considered

Some kind of difficult to implement flow with Tools, Action buttons and/or MCP servers, which can only handle the files input as an array (as far as I know, without distinguishing between specific files as set by the user).

Additional Context

Example of such a prompt:

Summarize the main points from the first document and note any missing sections.

{{primary_doc | file:required}}

Then, compare those points with the second document and highlight differences.

{{comparison_doc | file:required}}

Originally created by @Azzeo on GitHub (Nov 11, 2025). ### Check Existing Issues - [x] I have searched for all existing **open AND closed** issues and discussions for similar requests. I have found none that is comparable to my request. ### Verify Feature Scope - [x] I have read through and understood the scope definition for feature requests in the Issues section. I believe my feature request meets the definition and belongs in the Issues section instead of the Discussions. ### Problem Description Right now, when creating a Prompt in Workspace → Prompts, I can define text-based variables using the {{}} syntax (including typed inputs like {{description | textarea:required}}). That works great for collecting structured text from the user. However, there is currently no way to ask the user to upload a file as part of using a prompt. This becomes a limitation for common workflows where the model should process or reference user-provided documents, images, or other files (PDFs, Word documents). Today, users have to: upload/attach a file or files in the chat. This breaks some prompts or make them less usable as some file context needs to be inserted in between i.e., instructions. This breaks the otherwise very nice “fill in the form → run prompt” flow that the current prompt variable system provides. ### Desired Solution you'd like Add first-class support for file inputs in prompt templates so that, when a prompt contains a file variable, the user sees an upload button in the “Input Variables” dialog when invoking that prompt. Concretely: Extend the existing prompt variable system ({{variable}} / {{variable | type:...}}) with a file input type (or equivalent). When a prompt with a file variable is triggered (e.g. via slash command), the dialog should render one or more upload controls corresponding to those variables. The uploaded file(s) should be passed through to the final prompt / message payload the same way other variable values are, so the model (or connected tooling) can use them. Ideally support: single file: {{source_file A | file:required}} multiple files: {{attachments| file:multiple=true}} (or similar property) optional files (no :required) While keeping in mind: RAG or bypass RAG and OCR support (basically use existing file upload functionalities) ### Alternatives Considered Some kind of difficult to implement flow with Tools, Action buttons and/or MCP servers, which can only handle the __files__ input as an array (as far as I know, without distinguishing between specific files as set by the user). ### Additional Context Example of such a prompt: ``` Summarize the main points from the first document and note any missing sections. {{primary_doc | file:required}} Then, compare those points with the second document and highlight differences. {{comparison_doc | file:required}} ```

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