[Meta]: Fully support Solar Home System (SHS) distributor operations in MPM

### Preflight Checklist

- [x] I have read the [Contributing Guidelines](https://github.com/EnAccess/micropowermanager/blob/main/CONTRIBUTING.md) for this project, if it exists.
- [x] I agree to follow the [Code of Conduct](https://github.com/EnAccess/micropowermanager/blob/main/CODE_OF_CONDUCT.md) that this project adheres to.
- [x] I have searched the [issue tracker](https://github.com/EnAccess/micropowermanager/issues) for a feature request that matches the one I want to file, without success.

### Problem Description

This issue tracks our over arching efforts to make MicroPowerManager a useful tool for Solar Home Systems operation.

### Proposed Solution

N/A

### Alternatives Considered

N/A

### Additional Information

_No response_

Issue #1343 is a meta request and names no files, tests, or entry points. Start by clarifying the Solar Home System distributor workflows and splitting the overarching goal into scoped implementation issues; the work is done when those requirements and actionable tasks are defined.

Written by the indexing model from the issue text.