data: regenerate Test 4 suppressed demand + manifest

data: regenerate Test 3 infrastructure

data: regenerate Test 2 crash prediction

data: regenerate Test 1 volume estimation

data: refresh raw Durham data

data: regenerate Test 1 volume estimation

Make publish non-blocking when no secret is set

data: regenerate Test 4 suppressed demand + manifest

data: regenerate Test 3 infrastructure

data: regenerate Test 2 crash prediction

data: regenerate Test 1 volume estimation

Note GitHub browser auth fallback in all notebook headers

Update notebook header: GITHUB_TOKEN_SAFET now optional

data: refresh raw Durham data

Fix Colab auth: replace polling loop with eval_js Promise