update README.md with current project details

Merge branch 'main' of https://huggingface.co/spaces/milwright/chatui-helper into main-fixed

update troubleshooting section with nested accordions

Update support_docs.py

update support_docs.py: remove image refs, reorganize structure, fix outdated content

fix preview to match space_template: add dynamic url extraction and api headers

Delete test_complete_system.py

Delete test_themes.py

update course assistant template configuration

improve url grounding by including source urls in context and citation instructions

add test_grounding.py to gitignore

increase primary source character limit to 8000 chars

implement url prioritization with primary (5000 chars) and secondary (2500 chars) sources

fix language instructions in generated space template

add test_complete_system.py to gitignore

append file uploads to system message for consistency

append grounding urls to system message instead of user message

add language support to configuration and templates

add language learner template and test themes functionality

Add language learner template, different themes, apropos models

add mistralai and deepseek models, organize by provider, add unique themes to templates

Update support_docs.py

Update requirements.txt

Upload 30 files

Delete STEM_Adventure_Games_20250804_103106

Delete capture_docs_screenshots.py

Delete capture_screenshots.py

Delete image_documentation_review.md

Delete img_folder_review.md

Delete screenshot_setup.md

Delete test_preview_function.py

Delete test_preview_integration.py

add hf_token authentication for configuration tab

Update support_docs.py (again x2)

Update support_docs.py (again)

Update support_docs.py

Update support_docs.py

Update support_docs.py

Update support_docs.py

Update support_docs.py

Update support_docs.py

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Update support_docs.py

tidy up docs and clarify some points; /img refs soon

add huggingface account creation section and update gradio sdk selection

merge: update support_docs with formatting improvements and file order fix

fix: reorganize step 3 images to show settings and new secret steps clearly

refactor: move docs to support_docs.py module with updated content

update ui: change button emojis, reorganize docs with accordions, fix broken images

fix: make preview tab use actual openrouter api calls with config from main tab