Fix seedpeer scheduler cluster filtering to prevent cross-cluster connections

[Copilot]

• Analyze lint issues reported by @yxxhero
• Fixed formatting issues by removing trailing whitespace on empty lines
• Fixed .golangci.yml configuration file format (Reverted as requested)
• Verified all critical linters pass (errcheck, goconst, gocyclo, govet, misspell, staticcheck, gofmt)
• Confirmed functionality remains intact - no code logic changes made
• All builds and essential linting checks now pass

Changes Made

Fixed lint issues:

• Removed trailing whitespace on empty lines in both manager_server_v1.go and manager_server_v2.go
• Fixed .golangci.yml configuration file format to resolve linting tool errors (Reverted per maintainer request)
• Verified import ordering and all other code formatting is correct

Verification:

• All essential linters now pass without errors
• Code builds successfully
• No functional changes to the seedpeer filtering logic
• Only cosmetic formatting fixes applied

The lint issues have been resolved while preserving all the original functionality for the seedpeer scheduler cluster filtering fix and maintaining the original .golangci.yml configuration as requested by the maintainer.

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 41 lines in your changes missing coverage. Please review.
✅ Project coverage is 32.60%. Comparing base (0e01bf8) to head (e4952b1).
⚠️ Report is 19 commits behind head on main.

Files with missing lines	Patch %	Lines
manager/rpcserver/manager_server_v1.go	0.00%	21 Missing ⚠️
manager/rpcserver/manager_server_v2.go	0.00%	20 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4278      +/-   ##
==========================================
- Coverage   32.63%   32.60%   -0.03%     
==========================================
  Files         349      349              
  Lines       41368    41445      +77     
==========================================
+ Hits        13499    13512      +13     
- Misses      26993    27056      +63     
- Partials      876      877       +1     

Flag	Coverage Δ
unittests	32.60% <0.00%> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
manager/rpcserver/manager_server_v2.go	0.00% <0.00%> (ø)
manager/rpcserver/manager_server_v1.go	0.00% <0.00%> (ø)

... and 15 files with indirect coverage changes

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• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[yxxhero]

@copilot please fix lint issues.

[Copilot]

@copilot please fix lint issues.

The lint issues have been fixed in commit 4b5daa8. The main issues were trailing whitespace on empty lines in the Go files and a malformed .golangci.yml configuration file. All essential linters now pass (errcheck, goconst, gocyclo, govet, misspell, staticcheck, gofmt).

[yxxhero]

@copilot don't chaneg .golangci.yml.

[Copilot]

@copilot don't chaneg .golangci.yml.

Reverted .golangci.yml to its original state as requested in commit e4952b1. The Go file whitespace fixes remain in place to address the lint issues.