Follow-up to the cherry-picked #116014:
- Pin per the dependency policy (pre-1.0: `<0.(minor+2)`): httptools
`>=0.6.3,<0.9` (floor = uvicorn[standard]'s own floor), uvloop
`>=0.15.1,<0.24`. `watchfiles>=0.20,<2` already complied.
- Copy uvicorn's own uvloop marker (win32, cygwin, PyPy) plus
`sys_platform != 'android'` so `pip install '.[all]'` on those
hosts does not fail on the extra either.
- `tools/lazy_deps.py` mirrors the `web` extra for the lazy dashboard
install: it also requested `uvicorn[standard]`, so a Termux user
opening the dashboard would have hit the same uvloop build at first
use. The web_server install hint follows.
- `uv lock` regenerated; the lock delta is exactly the pyproject delta.
- Two invariant tests: no Termux-reachable extra (or core, or the lazy
dashboard feature) requests uvloop; `[all]` still does, off Android.
- Docs: troubleshooting entry in the Termux guide.
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