Refactor #49: Replace raw resource dictionaries with typed structure

[cookie54345]

---

name: Pull Request
about: Submit your completed changes for review
title: "[PR] Replace raw resource dictionaries with typed structure"
labels: ["student-submission"]
assignees: []

Description

This repalces the raw dictionary definitions used for MCP resources with an ResourceDefinition dataclass structure.

Type of change

• [ x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• test_resource_definition_fallback_logic: Verifies string resolution when fields are left blank.
• test_resource_definition_fields: Verifies attributes are saved correctly on object creation.
• test_register_resources_dry_run: Verifies proper dynamic template loop path formatting.
• test_resource_definition_execution: Verifies dynamic callback function execution.

Checklist:

• [ x] I have followed the coding style guidelines of this project
• [ x] I have reviewed my own code
• [ x] I have commented hard-to-understand areas of my code
• [x ] I have added docstrings to all public functions/methods
• [ x] I have used descriptive variable names to make by code easier to understand
• [x ] I have made corresponding changes to the documentation
• [ x] I have added tests that prove my fix is effective or that my feature works
• [ x] New and existing unit tests pass locally with my changes

Related Issue(s)

fixes #49