enhance openssa.l2.planning.hierarchical._prompts.HTP_RESULTS_SYNTH_PROMPT_TEMPLATE to eliminate the return of generic (and potentially confusing) supporting-details reference names/numbers

enhance openssa.l2.planning.hierarchical._prompts.HTP_RESULTS_SYNTH_PROMPT_TEMPLATE to eliminate the return of generic (and potentially confusing) supporting-details reference names/numbers #98