chore: removed unnecessary git-cliff config (uses shared)

[fredbi]

agentic: added rules and conventions for Claude and copilot
agentic: added copilot instructions

Change type

Please select: 🆕 New feature or enhancement|🔧 Bug fix'|📃 Documentation update

Short description

Fixes

Full description

Checklist

• I have signed all my commits with my name and email (see DCO. This does not require a PGP-signed commit
• I have rebased and squashed my work, so only one commit remains
• I have added tests to cover my changes.
• I have properly enriched go doc comments in code.
• I have properly documented any breaking change.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.53%. Comparing base (e232aaf) to head (c5dadfd).
⚠️ Report is 3 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #109   +/-   ##
=======================================
  Coverage   82.53%   82.53%           
=======================================
  Files           2        2           
  Lines         292      292           
=======================================
  Hits          241      241           
  Misses         35       35           
  Partials       16       16           

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