[PWGLF] Add controlled Rec-to-Final pair-loss diagnostics for h-K0s correlations

[kcui1]

This update introduces a compact diagnostic workflow for identifying the origin of the near-side dip observed in reconstructed hadron- K0s correlations.

[github-actions]

O2 linter results: ❌ 14 errors, ⚠️ 2 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for 471dc66 at 2026-08-14 03:43:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 50 errors and 0 warnings.'
Found 50 errors and 0 warnings.
++ [[ 50 -gt 0 ]]
++ cat /sw/BUILD/b7a2a378ebf691e3c7000b6709a27d1d5e328c75/O2Physics-code-check/errors.txt
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:95:8: error: constructor does not initialize these fields: ccdb, pdgDB [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:707:5: error: Variable 'radius' with floating point type 'double' should not be used as a loop counter [clang-analyzer-security.FloatLoopCounter,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:1083:5: error: Variable 'r' with floating point type 'double' should not be used as a loop counter [clang-analyzer-security.FloatLoopCounter,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:1513:75: error: use designated initializer list to initialize 'PairLossPairKey' [modernize-use-designated-initializers,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:2991:9: error: the 'empty' method should be used to check for emptiness instead of comparing to an empty object [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3169:9: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3399:9: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3436:9: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3591:9: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3676:11: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3733:13: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3792:13: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3842:11: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3945:13: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:3975:9: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4148:15: error: boolean expression can be simplified by DeMorgan's theorem [readability-simplify-boolean-expr,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4150:30: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4164:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4175:28: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4249:13: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4253:31: error: the 'empty' method should be used to check for emptiness instead of 'size' [readability-container-size-empty,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4367:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4368:30: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4369:30: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4392:32: error: use 'contains' to check for membership [readability-container-contains,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4447:61: error: use designated initializer list to initialize 'PairLossFinalRecord' [modernize-use-designated-initializers,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4448:32: error: use designated initializer list to initialize 'PairLossPairKey' [modernize-use-designated-initializers,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4553:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4567:11: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4602:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4650:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4651:30: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4652:30: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4706:28: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4719:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:4730:28: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:5039:13: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:5061:17: error: boolean expression can be simplified by DeMorgan's theorem [readability-simplify-boolean-expr,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:5063:32: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:5078:28: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:5088:30: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx:5111:45: error: use 'contains' to check for membership [readability-container-contains,-warnings-as-errors]
[0 more errors; see full log]

Full log here.