Fix Gradio Textbox: use placeholder instead of value='OT' (Gradio 6.x controlled component issue)

Update Space to use nanoforecast-500k; add eulogik attribution

Add safetensors to Space requirements

Proper app.py with sys.path hack + all imports

Fix f-string syntax error in app.py

Clean app.py with sys.path approach

External deps only; nanoforecast imported via sys.path

Install nanoforecast from local source via -e .

Install deps from PyPI; nanoforecast from local source

Add pyproject.toml for local package install

Add nanoforecast package source

Remove old requirements

Add Space requirements

Add Gradio app

initial commit