[AryanRG]

Summary

• Accept the two representable minimum-value powers, (-2)^31 for int and (-2)^63 for long.
• Keep overflow exceptions for out-of-range powers and add boundary regression tests.
• Add the NUMBERS-218 release-note entry.

Jira: https://issues.apache.org/jira/browse/NUMBERS-218

Validation

• A standalone reproduction failed on the pre-fix base and passed with the fix.
• mvn clean verify passed across the local reactor.
• The patch merges cleanly with current master; the newer upstream commit changes only a site link.

AI assistance used.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.68%. Comparing base (ec5c11f) to head (79aa464).
⚠️ Report is 389 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #223      +/-   ##
============================================
+ Coverage     99.24%   99.68%   +0.43%     
- Complexity     1802     2505     +703     
============================================
  Files            70       77       +7     
  Lines          4779     6913    +2134     
  Branches        881     1346     +465     
============================================
+ Hits           4743     6891    +2148     
+ Misses           10        4       -6     
+ Partials         26       18       -8     

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