[PWGCF] jEPFlowAnalysis.cxx: define a new configurable axis of pseudorapidity and add one more dimension to the scalar product histograms

[jikim1290]

define a new configurable axis of pseudorapidity
add one more dimension to the scalar product histograms

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 3 warnings, 🔕 0 disabled

[vkucera]

@jikim1290 Please make it clear in your PR title which part of the framework has changed.

[jikim1290]

@vkucera it has been added

[vkucera]

@vkucera it has been added

Where?

[jikim1290]

@vkucera it was updated in the main body and moved to the title

[vkucera]

@vkucera it was updated in the main body and moved to the title

There is still no mention of the location of the changes, i.e. name of the file or the analysis or the framework feature.

[alibuild]

Error while checking build/O2Physics/o2 for 97c75b4 at 2026-05-11 16:02:

No log files found

Full log here.

[wenyaCern]

Hi @jikim1290, could you fix the O2-linter errors as instructed? Thank you in advance

[alibuild]

Error while checking build/O2Physics/staging for 5bf10a0 at 2026-05-12 12:21:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:426:33: error: 'kMinQvecAmp' was not declared in this scope; did you mean 'minQvecAmp'?
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:493:37: error: 'kMinChg' was not declared in this scope; did you mean 'minChg'?
ninja: build stopped: subcommand failed.

Full log here.

[vkucera]

Fix the struct name.

Suggested change

	struct jEPFlowAnalysis {
	struct JEPFlowAnalysis {

Your task produces a device name j-e-p-flow-analysis while the workflow is called epflow-analysis.