fix: update JSON path syntax in binary_sensor and sensor modules

[geertmeersman]

Summary by CodeRabbit

• Bug Fixes
  • Improved support for sensor, switch, and binary sensor data that comes from lists, so indexed values are now detected and displayed more reliably.
  • Fixed path handling for mower error, timer, and battery information to use the correct array item format.
  • Preserved GPS tracking details while keeping device attributes unchanged.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 3f00a476-ac98-489b-84a9-a42e9a24bf0e

📥 Commits

Reviewing files that changed from the base of the PR and between c672611 and 329a092.

📒 Files selected for processing (6)

• custom_components/robonect/binary_sensor.py
• custom_components/robonect/definitions.py
• custom_components/robonect/device_tracker.py
• custom_components/robonect/lawn_mower.py
• custom_components/robonect/sensor.py
• custom_components/robonect/utils.py

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📝 Walkthrough

Walkthrough

This PR changes JSON path array indexing notation from dot-based (e.g. .0) to bracket-based (e.g. [0]) in entity definitions and in the runtime code that builds indexed sensor/binary_sensor entities. It also reorders some imports and reformats a return expression in device_tracker.py.

Changes

Bracket-Index Notation Migration

Layer / File(s)	Summary
Entity description path updates custom_components/robonect/definitions.py	Error, timer, and battery sensor/switch descriptions updated to use bracket indexing (e.g. errors[0], timer[0], batteries[0]) instead of dot indexing.
Sensor array-index entity creation custom_components/robonect/sensor.py	Loop constructing per-index sensor entities now replaces "[0]" placeholders instead of ".0" in rest/rest_attrs; utility imports reordered.
Binary sensor array-index entity creation custom_components/robonect/binary_sensor.py	Loop constructing per-index binary sensor entities updated to replace "[0]" placeholders instead of ".0" in rest_attrs and key.
Import reordering and formatting custom_components/robonect/lawn_mower.py, custom_components/robonect/utils.py, custom_components/robonect/device_tracker.py	Import statement ordering adjusted in lawn_mower.py and utils.py; device_tracker.py's extra_state_attributes merge expression reformatted to multi-line without behavior change.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• geertmeersman/robonect#368: Both PRs modify RobonectGPSEntity.extra_state_attributes in device_tracker.py.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: updating JSON path syntax in the binary_sensor and sensor modules.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

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🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch dev-current

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