Makefile and go.mod: update flagrun dependency to v0.0.6; refactor er…

[kazeburo]

User description

…ror handling in main.go

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PR Type

Enhancement, Bug fix

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Description

• Continue reporting available metrics after stat failures

• Adopt flagrun v0.0.6 error-return interface

• Remove build-time commit metadata injection

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Diagram Walkthrough

flowchart LR
  Proc["Process metrics collection"]
  CPU["CPU stat"]
  FDS["File descriptor stat"]
  MEM["Memory stat"]
  Output["Available metric output"]
  Notice["Non-fatal error notice"]
  Proc -- "collects" --> CPU
  Proc -- "collects" --> FDS
  Proc -- "collects" --> MEM
  CPU -- "prints when available" --> Output
  FDS -- "prints when available" --> Output
  MEM -- "prints when available" --> Output
  CPU -- "logs failures" --> Notice
  FDS -- "logs failures" --> Notice
  MEM -- "logs failures" --> Notice

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File Walkthrough

	Relevant files
Error handling	main.go Continue metric reporting after individual stat failures  main.go Update Opt.Run to return error and an exit status. Treat CPU, file-descriptor, and memory stat failures as notices. Print each successfully collected metric independently. Remove commit metadata from flagrun initialization. +19/-14
Configuration changes	Makefile Remove commit metadata from build flags                                    Makefile Remove Git commit discovery and linker injection. Keep only version metadata in build flags. +1/-2
Dependencies	go.mod Upgrade flagrun and add indirect dependency                            go.mod Upgrade github.com/monitoring-forge/flagrun to v0.0.6. Add indirect github.com/mackerelio/checkers dependency. +3/-1

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

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[github-actions]

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