[geonnave]

Based on main.

Problem

dotbot site init --from-calibration ID wrote a site pack without spin_radius_mm, even when the spins behind the calibration were measured on a floor with its own radius (a site with spin_radius_mm = 53.0). The next collect --spin in the new site then silently fell back to the robot model's 51.4 mm, a 3% scale error on every distance.

Change

The new site takes its radius from the calibration itself rather than from the site it was collected in: each [[track]] records the radius_mm it was solved with, which also covers a --spin-radius override and survives the source site being renamed or gone. The newest round's radius is used (the most common value in it), and the site pack gets spin_radius_mm = ... beside extent_mm. A calibration with no tracks writes no key.

Validation

Unit: test_site_init_carries_the_spin_radius_over collects in a site with spin_radius_mm = 53.0, runs site init, and reads 53.0 back from the new pack; it fails without the fix. test_calibration_spin.py and test_cli_site.py pass (79). Not run on hardware. Formatting (black) is deferred to the pass after review.

File	+	-
dotbot/tests/test_calibration_spin.py	+15	-0
dotbot/calibration/conics.py	+10	-0
dotbot/cli/site_cmd.py	+6	-1
Total, 3 files	+31	-1

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.56%. Comparing base (7a76840) to head (3db2d61).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #342   +/-   ##
=======================================
  Coverage   88.56%   88.56%           
=======================================
  Files         230      230           
  Lines       37623    37632    +9     
  Branches     2367     2368    +1     
=======================================
+ Hits        33319    33328    +9     
  Misses       4300     4300           
  Partials        4        4           

Flag	Coverage Δ
console	82.18% <ø> (ø)
python	91.44% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
dotbot/cli/site_cmd.py	91.58% <ø> (ø)
dotbot/tests/test_calibration_spin.py	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

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