Add sensor options flow to OpenEVSE

[firstof9]

Proposed change

Add an options flow to the OpenEVSE integration allowing users to configure sensor entities whose live states are pushed to OpenEVSE:

• Grid import/export power (with optional invert option)
• Solar power
• Shaper live power consumption
• Grid voltage
• Vehicle battery state of charge (SoC)
• Vehicle range
• Vehicle time to full charge (ETA)
• Home battery state of charge (SoC)
• Home battery power

Entity selectors include domain, device class, and unit of measurement filters where appropriate (e.g., power sensors for grid/solar/shaper/home battery power, voltage for grid voltage, percentage for SoC, distance for range). State changes are tracked and forwarded to the OpenEVSE device with appropriate unit conversions and error handling.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:
• Link to documentation pull request: Document OpenEVSE sensor options flow home-assistant.io#48967
• Link to developer documentation pull request:
• Link to frontend pull request:

Checklist

• I understand the code I am submitting and can explain how it works.
• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• I have followed the perfect PR recommendations
• The code has been formatted using Ruff (ruff format homeassistant tests)
• Tests have been added to verify that the new code works.
• Any generated code has been carefully reviewed for correctness and compliance with project standards.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

If the code communicates with devices, web services, or third-party tools:

• The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• For the updated dependencies a diff between library versions and ideally a link to the changelog/release notes is added to the PR description.

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[home-assistant]

Hey there @c00w, mind taking a look at this pull request as it has been labeled with an integration (openevse) you are listed as a code owner for? Thanks!

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[github-actions]

Quality scale review

✅ No issues found at 6e765e8. Checked 8 done/exempt rules (config-flow-test-coverage, test-coverage, entity-event-setup, log-when-unavailable, action-exceptions, runtime-data, config-entry-unloading, strict-typing) for openevse; none are violated by the changed lines. (docs-configuration-parameters was skipped per review scope since its evidence lives in the documentation repository.)

Generated by quality-scale-reviewer · copilot · auto · 92 AIC · ⌖ 7.38 AIC · ⊞ 8.4K · ◷

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