feat(bcm-pricing-calculator): Add Billing and Cost Management Pricing…

[somsubhro]

… Calculator workload estimate insights

Fixes

Summary

Changes

Added Workload estimate feature from Billing and Cost Management Pricing Calculator. AWS user guide reference: https://docs.aws.amazon.com/cost-management/latest/userguide/pricing-calculator.html. API reference: https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_Operations_AWS_Billing_and_Cost_Management_Pricing_Calculator.html

Testing

• Performed local testing
• Ran uv run --frozen pytest --cov --cov-branch --cov-report=term-missing. Found no regression in coverage. Unit tests pass. New code files are at 99% code coverage
• Ran pre-commit hook

User experience

You can now query and list workload estimates from your account, get insights into usage that you have modeled in workload estimates, and observe costs.

Checklist

If your change doesn't seem to apply, please leave them unchecked.

• I have reviewed the contributing guidelines
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented

Is this a breaking change? N

RFC issue number:

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of the project license.

[codecov]

Codecov Report

❌ Patch coverage is 98.55769% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.12%. Comparing base (f8915e8) to head (0b4633d).

Files with missing lines	Patch %	Lines
...t_mcp_server/tools/bcm_pricing_calculator_tools.py	98.54%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1486      +/-   ##
==========================================
- Coverage   89.45%   89.12%   -0.34%     
==========================================
  Files         726      625     -101     
  Lines       50351    44015    -6336     
  Branches     7951     7055     -896     
==========================================
- Hits        45044    39229    -5815     
+ Misses       3452     3109     -343     
+ Partials     1855     1677     -178     

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[somsubhro]

I have reviewed the missed code coverage lines and think those are expected.