chore: fix model creation functions

[sthaha]

This PR includes

• fixing the typo Powe -> Power
• reorganise the functions to exit early and log errors and info

Tested locally using dev compose files

[github-actions]

🤖 SeineSailor

Here is a concise summary of the pull request changes:

Summary: This PR refactors model creation functions in pkg/model to improve code readability and maintainability. Key changes include:

• Fixing typos ("Powe" to "Power")
• Reorganizing functions to exit early and log errors and info
• Improving code readability and maintainability

Impact: These changes correct naming conventions without affecting function signatures or external interface behavior. However, they may impact power estimation results under certain conditions.

Observation: The changes seem to focus on internal implementation details, which is a good practice for maintainability. It's essential to verify that the power estimation results are accurate and unaffected by these changes.

Suggestion: Consider adding unit tests or integration tests to ensure the power estimation results are correct and consistent before merging this PR.

[sunya-ch]

/lgtm Thank you.