Calibration refactoring

[augustocattafesta]

Noise and gain calibration divided in two different commands and added a new command to calibrate the eta function from CLI.

[Copilot]

Pull request overview

Refactors calibration workflows by splitting gain and noise calibration into separate CLI subcommands and adding a new CLI entry point to calibrate the eta function (previously provided via a standalone script).

Changes:

• Added calibrate eta|noise|gain subcommands and corresponding pipeline/task entry points.
• Moved eta calibration logic into hexsample.tasks and removed the standalone scripts/calibration.py.
• Simplified hexsample.calibration imports and removed the old calibration_data() helper.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
src/hexsample/tasks.py	Introduces open_file()/create_readout() helpers and adds calibrate_eta, calibrate_noise, calibrate_gain tasks.
src/hexsample/pipeline.py	Replaces the single calibrate() entry point with separate calibrate_eta/noise/gain() pipeline functions.
src/hexsample/cli.py	Adds nested calibrate subcommands and new CLI options (--num_bins, --enc), removes old calibration option group.
src/hexsample/calibration.py	Removes unused imports and deletes calibration_data() helper; minor adjustment in profile().
scripts/calibration.py	Deletes the legacy standalone eta calibration script.

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