v6: Prepare Config Changes for v6 (Refactor + Breaking Changes)#2432

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aryamohanan wants to merge 19 commits intomainfrom

fix-config-precedence

Commits on Apr 13, 2026

refactor(core): normalized numeric config resolution with env precedence (#2430)
aryamohanan
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fix: removed deprecated INSTANA_DEV_MIN_DELAY_BEFORE_SENDING_SPANS env variable (#2431)
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refactor(core): normalized boolean config resolution (#2433)
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refactor(core): enabled eslint in config (#2435)
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refactor(core): added TODO comments explaining resolver complexity(#2438)
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test: restructured config tests with logical grouping (#2445)
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test: extended tests to include precedence cases (#2447)
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test(config): improved overall test coverage (#2451)
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test(collector): extended config tests for full coverage (#2456)
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refactor: standardized config logging format (#2446)
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refactor(core): made config resolution explicit (#2448)
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refactor(core): adapted optional object parameters in config normalizer functions (#2476)

abhilash-sivan
authored and
aryamohanan
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refactor(collector): refcatored config module (#2457)
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refactor(config): cleanup normalize http header config (#2477)
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refactor(collector): moved resolve string config to core utility (#2479)
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fix(core): ensured env vars take precedence over in-code config (#2478)
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test(collector): enabled config precedence tests (#2480)
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test: only set INSTANA_TRACING_DISABLE when tracing is actually disabled
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chore: only parse INSTANA_TRACING_DISABLE as boolean when value is boolean
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