Replace isort with ruff for import sorting

[norkans7]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.32%. Comparing base (2b23c7e) to head (800bf2a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #239   +/-   ##
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  Coverage   93.32%   93.32%           
=======================================
  Files          29       29           
  Lines        1843     1843           
=======================================
  Hits         1720     1720           
  Misses        123      123           

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[Copilot]

Pull request overview

This PR removes isort and switches import sorting to Ruff’s built-in isort rules.

Changes:

• Remove isort from the dev optional dependency set and from uv.lock.
• Enable Ruff’s import-sorting rules (I) and migrate isort configuration into [tool.ruff.lint.isort].
• Update code_check.py to stop running isort as a separate step.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
uv.lock	Removes isort from the resolved dev environment and updates the pinned Ruff version.
pyproject.toml	Drops isort from dev extras and configures Ruff to handle import sorting (including Django sectioning).
code_check.py	Removes the explicit isort invocation so Ruff is the single import-sorting mechanism.

Comments suppressed due to low confidence (1)

pyproject.toml:41

• uv.lock pins ruff to 0.15.9, but the dev extra still allows ruff >= 0.15.7. Since this PR adds ruff-isort configuration (custom section-order/sections), using an older allowed ruff version may fail to parse the config or behave differently for contributors installing via pip -e .[dev]. Consider bumping the minimum dev requirement to ruff >= 0.15.9 (or whatever minimum version is required for this config).

[project.optional-dependencies]
dev = [
    "colorama >= 0.4.3",
    "coverage[toml] >= 7.2.2",
    "ruff >= 0.15.7",
    "djlint >= 1.34.1",
]

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