Add decky-stt-keyboard plugin

[sebastianuxd]

Add Decky STT Keyboard to Plugin Store

This plugin allows the user Speech-to-Text functionality within the STT Plugin tab in their QAM. Then the user can copy the text to their clipboard to use anywhere, they can make edits to the text preview by either virtual keyboard, starting a new recording where their text cursor was, or starting a new recording to replace a group of text the user has highlighted in the preview.

The only alternative is technically the KDE plugin to use your phone's built-in STT keyboard. This is a simple solution utilizing SteamDeck's built in microphone or a connected external microphone.

Task Checklist

Developer

• I am the original author or an authorized maintainer of this plugin.
• I have abided by the licenses of the libraries I am utilizing, including attaching license notices where appropriate.

Plugin

• I have verified that my plugin works properly on the Stable and Beta update channels of SteamOS.
• I have verified my plugin is unique or provides more/alternative functionality to a plugin already on the store.

Backend

• No: I am using a custom backend other than Python.
• No: I am using a tool or software from a 3rd party FOSS project that does not have it's dependencies statically linked.
• No: I am using a custom binary that has all of it's dependencies statically linked.

Community

• I have tested and left feedback on two other pull requests for new or updating plugins.
• I have commented links to my testing report in this PR.

Testing

• Tested by a third party on SteamOS Stable or Beta update channel.
• Tested by a third party on SteamOS Preview update channel.

Issues
Has the following major blocking issue(s): None
Has the following minor non-blocking issue(s): Large initial download (1.8GB) for model.

Summary
Tested the new VOSK 1.8GB model integration and polling mechanism.

Verified that text transcription reliably appears in the UI.
Verified that text transcription will start at cursor point in the UI, and will replace highlighted text.
Accuracy is significantly improved over alternative small model.
Polling system fixes an issue where text would not display in the UI.
Download process includes proper indication and warning "Downloading, please wait...".
Audio resampling (48kHz -> 16kHz) works correctly.

[github-actions]

Issues Found

• Neither testing box is present in your description. Please include one of them per the Markdown comment above the testing section.

Next Steps

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[beebls]

Please use the proper PR template for plugin additions

https://github.com/SteamDeckHomebrew/decky-plugin-database/blob/main/.github/PULL_REQUEST_TEMPLATE/plugin_addition.md

[RodoMa92]

I have moved the actual template back into the initial message and removed the added ones in the comments, I'll take a look at this shortly.

[EMERALD0874]

Please clean up your repo before we can review this. I see a lot of compiled binaries, library files, and __pycache__ folders that make it too difficult to review without cleaning first.

[github-actions]

This pull request is stale as no updates or testing reports have been posted within the last 7 days. Please ensure you are actively recruiting testers or resolving the issues discussed. If you do not remove the stale label or comment, this will be closed in 7 days. Please close this pull request if you need more time to resolve issues so we can keep our repo healthy.