[PWGEM/Dilepton] add a v1 task

[dsekihat]

[PWGEM/Dilepton] add a v1 task

[github-actions]

O2 linter results: ❌ 41 errors, ⚠️ 70 warnings, 🔕 0 disabled

[alibuild]

Auto-approving on behalf of @dsekihat.

[alibuild]

Error while checking build/O2Physics/staging for 7b7cdf6 at 2026-07-02 11:41:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGEM/Dilepton/Tasks/dimuonV1.cxx:373:21: error: unused variable 'nlspp' [-Werror=unused-variable]
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGEM/Dilepton/Tasks/dimuonV1.cxx:373:32: error: unused variable 'nlsmm' [-Werror=unused-variable]
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Auto-approving on behalf of @dsekihat.

[alibuild]

Error while checking build/O2Physics/code-check for d64aece at 2026-07-02 12:13:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 19 errors and 0 warnings.'
Found 19 errors and 0 warnings.
++ [[ 19 -gt 0 ]]
++ cat /sw/BUILD/c0a9f37a6318e4dd022bd5e879f35ff75676311e/O2Physics-code-check/errors.txt
PWGEM/Dilepton/Tasks/dimuonV1.cxx:21:1: error: included header EMTrack.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:22:1: error: included header EMTrackUtilities.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:25:1: error: included header PairUtilities.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:32:1: error: included header LHCConstants.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:33:1: error: included header MathConstants.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:48:1: error: included header Utils.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:52:1: error: included header TH1.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:53:1: error: included header TH2.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:54:1: error: included header TString.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:56:1: error: included header types.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:60:1: error: included header chrono is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:62:1: error: included header cstddef is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:65:1: error: included header random is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:69:1: error: included header unordered_map is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:73:10: error: inclusion of deprecated C++ header 'math.h'; consider using 'cmath' instead [modernize-deprecated-headers,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:180:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:205:3: error: use '= default' to define a trivial destructor [modernize-use-equals-default,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:373:11: error: variable 'nuls' set but not used [clang-diagnostic-unused-but-set-variable,-warnings-as-errors]
PWGEM/Dilepton/Tasks/dimuonV1.cxx:487:129: error: no header providing "o2::aod::fwdtrack::ForwardTrackTypeEnum" is directly included [misc-include-cleaner,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 19 -gt 0 ]]
++ exit 1
--

Full log here.

[alibuild]

Auto-approving on behalf of @dsekihat.

[alibuild]

Error while checking build/O2Physics/code-check for ec2c496 at 2026-07-02 13:14:

++ set -euo pipefail
++ [[ -d /sw/slc9_x86-64/Clang/v20.1.7-20 ]]
+++ realpath /sw/BUILD/0e3aa6712190c525275aed364e2f945a014f59b5/O2Physics-code-check/../../O2Physics-latest/O2Physics
++ O2PHYSICS_BUILDDIR=/sw/BUILD/2e9b5ce56bc1c19c5989bacfb4a9ca72071eb2d0/O2Physics
++ cp /sw/BUILD/2e9b5ce56bc1c19c5989bacfb4a9ca72071eb2d0/O2Physics/compile_commands.json .
+++ python3 -c 'import json, os; print(os.path.commonpath([x["file"] for x in json.loads(open("compile_commands.json").read()) if "sw/BUILD" not in x["file"] and "G__" not in x["file"] and x["file"].endswith(".cxx")]))'
++ O2PHYSICS_SRC=/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0
++ pushd /sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0
/sw/SPECS/slc9_x86-64/O2Physics-code-check/1.0-local5/O2Physics-code-check.sh: line 16: pushd: /sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0: No such file or directory

Full log here.