refactor: modular architecture with self-contained components#22

Merged

nightowlnerd merged 11 commits intomainfrom

refactor/main-architecture

Feb 2, 2026

Commits on Feb 2, 2026

refactor(config): extract Config struct and flag parsing
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feat(output): add OutputWriter interface with PrintBanner and PrintUsageHint
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feat(output): refactor(verify): extract Verifier interface with SlipstreamVerifier
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test(scanner): fix flaky TestProgressStats timing assertion
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refactor(source): add IPSource interface, consolidate loadLines
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refactor(geodata): rename ranges.go, decouple functions, consistent CIDR naming
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refactor: extract benchmark.go and progress.go from scanner.go
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refactor: make components self-contained with progress output
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refactor: inline app.go, simplify Scan return, unexport helpers
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style: consistent bold green pipe-separated progress summaries
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chore: remove redundant comment
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