Remove command re-exports from inorbit_connector.connector

[b-Tomas]

Summary

• Remove the # noqa: F401 re-export annotations and TODO comment from the
  commands import block in connector.py
• Remove parse_custom_command_args from the import (unused in connector.py);
  CommandFailure and CommandResultCode stay because they are used internally
• Remove two backward-compatibility tests and their import aliases from
  test_commands.py
• Remove the "Note: re-exports" section from docs/contents/specification/commands.md
• Update all code examples in usage docs (commands-handling.md, fleet.md,
  single-robot.md) to import from inorbit_connector.commands
• Update four example connectors to import CommandResultCode from
  inorbit_connector.commands instead of inorbit_connector.connector

Breaking changes

CommandFailure, CommandResultCode, and parse_custom_command_args are no
longer guaranteed re-exports from inorbit_connector.connector. Import them
from inorbit_connector.commands instead.

Migration

# Before (v2.x)
from inorbit_connector.connector import (
    CommandResultCode,
    CommandFailure,
    parse_custom_command_args,
)

# After (v3.0)
from inorbit_connector.commands import (
    CommandResultCode,
    CommandFailure,
    parse_custom_command_args,
)

[Copilot]

Pull request overview

This PR removes (or migrates away from) command-related re-exports previously exposed via inorbit_connector.connector, updating tests, docs, and example connectors to import command utilities from inorbit_connector.commands instead.

Changes:

• Removes backward-compatibility tests and documentation that referenced command re-exports via inorbit_connector.connector.
• Updates usage documentation and example connectors to import CommandResultCode/CommandFailure (and parse_custom_command_args) from inorbit_connector.commands.
• Simplifies inorbit_connector/connector.py command imports by dropping the unused parse_custom_command_args import and removing re-export annotations/comments.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
tests/test_commands.py	Removes backward-compatibility import tests/aliases for connector re-exports.
inorbit_connector/connector.py	Updates command imports and removes the explicit re-export comments/unused import.
examples/simple-fleet-connector/connector.py	Imports CommandResultCode from inorbit_connector.commands.
examples/simple-connector/connector.py	Imports CommandResultCode from inorbit_connector.commands.
examples/robot-connector/connector.py	Imports CommandResultCode from inorbit_connector.commands.
examples/fleet-connector/connector.py	Imports CommandResultCode from inorbit_connector.commands.
docs/contents/usage/single-robot.md	Updates docs examples to import from inorbit_connector.commands.
docs/contents/usage/fleet.md	Updates docs examples to import from inorbit_connector.commands.
docs/contents/usage/commands-handling.md	Updates docs examples to consistently import command helpers from inorbit_connector.commands.
docs/contents/specification/commands.md	Removes the documentation section describing connector-module re-exports.

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