fix: headless login URL + friendly next/show with no attempt - #12

tanco/driver.py:237:23: Q000 Double quotes found but single quotes preferred help: Replace double quotes with single quotes

tanco/driver.py:173:15: F541 f-string without any placeholders help: Remove extraneous `f` prefix

tanco/driver.py:170:15: F541 f-string without any placeholders help: Remove extraneous `f` prefix

tanco/driver.py:167:19: F541 f-string without any placeholders help: Remove extraneous `f` prefix

tanco/driver.py:165:15: F541 f-string without any placeholders help: Remove extraneous `f` prefix

tanco/driver.py:164:15: F541 f-string without any placeholders help: Remove extraneous `f` prefix

tanco/driver.py:162:68: E741 Ambiguous variable name: `l`

tanco/driver.py:5:1: I001 Import block is un-sorted or un-formatted help: Organize imports

tanco/database.py:16:9: PLC0415 `import` should be at the top-level of a file

tanco/app.py:154:54: F821 Undefined name `_fmt`

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/