[Feature/MINT-3195] MTO Template

[patrickseguraoddball]

MINT-3195

Description

This is a high-level feature review of MTO template. All technical requirements have been review, approved, and merged into the feature. You may still do a technical review, but not a hard requirement

How to test this change

1. Thoroughly test all requirements functionally and designs match figma

PR Author Checklist

• I have provided a detailed description of the changes in this PR.
• I have provided clear instructions on how to test the changes in this PR.
• I have updated tests or written new tests as appropriate in this PR.
• Updated the Postman Collection if necessary.

PR Reviewer Guidelines

• It's best to pull the branch locally and test it, rather than just looking at the code online!
• When approving a PR, provide a reason why you're approving it
  • e.g. "Approving because I tested it locally and all functionality works as expected"
  • e.g. "Approving because the change is simple and matches the Figma design"
• Don't be afraid to leave comments or ask questions, especially if you don't understand why something was done! (This is often a great time to suggest code comments or documentation updates)
• Check that all code is adequately covered by tests - if it isn't feel free to suggest the addition of tests.

[Copilot]

Pull Request Overview

This PR implements a new MTO (Models to Operations) Template feature that provides reusable template structures for organizing model plans with predefined categories, milestones, and solutions.

• Database schema with template tables, categories, milestones, and solutions
• GraphQL API for querying templates and applying them to model plans
• Mock resolvers with sample template data for testing

Reviewed Changes

Copilot reviewed 10 out of 12 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
migrations/V224__Add_MTO_Template_Audit.sql	Adds audit table type enums for MTO template tables
migrations/V225__Add_MTO_Template_tables.sql	Creates complete database schema with tables, constraints, and triggers
pkg/models/mto_template.go	Defines Go models and constructors for MTO template entities
pkg/graph/schema/types/mto_template.graphql	GraphQL schema definitions for template types and operations
pkg/graph/resolvers/mto_template.resolvers.go	Mock GraphQL resolvers for template queries and mutations
pkg/graph/model/models_gen.go	Generated GraphQL model for ApplyTemplateResult
query_examples/MINT/Models to Operations Matrix/Templates/*.bru	Bruno API collection files for testing template endpoints

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}