fix: remove workflow_path indirection, use direct relative paths

Replace the custom workflow_path variable with direct relative paths
(../workflow.md, ../templates/epics-template.md) in all step files.
Also remove duplicate epicsTemplate entry in step-01.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/bmm/workflows/3-solutioning/bmad-create-epics-and-stories/steps/step-01-validate-prerequisites.md

@@ -2,22 +2,16 @@
 name: 'step-01-validate-prerequisites'
 description: 'Validate required documents exist and extract all requirements for epic and story creation'
 
-# Path Definitions
-workflow_path: '.'
-
 # File References
 thisStepFile: './step-01-validate-prerequisites.md'
 nextStepFile: './step-02-design-epics.md'
-workflowFile: '{workflow_path}/workflow.md'
+workflowFile: '../workflow.md'
 outputFile: '{planning_artifacts}/epics.md'
-epicsTemplate: '{workflow_path}/templates/epics-template.md'
+epicsTemplate: '../templates/epics-template.md'
 
 # Task References
 advancedElicitationTask: 'skill:bmad-advanced-elicitation'
 partyModeWorkflow: '{project-root}/_bmad/core/workflows/bmad-party-mode/workflow.md'
-
-# Template References
-epicsTemplate: '{workflow_path}/templates/epics-template.md'
 ---
 
 # Step 1: Validate Prerequisites and Extract Requirements

src/bmm/workflows/3-solutioning/bmad-create-epics-and-stories/steps/step-02-design-epics.md

@@ -2,21 +2,16 @@
 name: 'step-02-design-epics'
 description: 'Design and approve the epics_list that will organize all requirements into user-value-focused epics'
 
-# Path Definitions
-workflow_path: '.'
-
 # File References
 thisStepFile: './step-02-design-epics.md'
 nextStepFile: './step-03-create-stories.md'
-workflowFile: '{workflow_path}/workflow.md'
+workflowFile: '../workflow.md'
 outputFile: '{planning_artifacts}/epics.md'
+epicsTemplate: '../templates/epics-template.md'
 
 # Task References
 advancedElicitationTask: 'skill:bmad-advanced-elicitation'
 partyModeWorkflow: '{project-root}/_bmad/core/workflows/bmad-party-mode/workflow.md'
-
-# Template References
-epicsTemplate: '{workflow_path}/templates/epics-template.md'
 ---
 
 # Step 2: Design Epic List

src/bmm/workflows/3-solutioning/bmad-create-epics-and-stories/steps/step-03-create-stories.md

@@ -2,21 +2,16 @@
 name: 'step-03-create-stories'
 description: 'Generate all epics with their stories following the template structure'
 
-# Path Definitions
-workflow_path: '.'
-
 # File References
 thisStepFile: './step-03-create-stories.md'
 nextStepFile: './step-04-final-validation.md'
-workflowFile: '{workflow_path}/workflow.md'
+workflowFile: '../workflow.md'
 outputFile: '{planning_artifacts}/epics.md'
+epicsTemplate: '../templates/epics-template.md'
 
 # Task References
 advancedElicitationTask: 'skill:bmad-advanced-elicitation'
 partyModeWorkflow: '{project-root}/_bmad/core/workflows/bmad-party-mode/workflow.md'
-
-# Template References
-epicsTemplate: '{workflow_path}/templates/epics-template.md'
 ---
 
 # Step 3: Generate Epics and Stories

src/bmm/workflows/3-solutioning/bmad-create-epics-and-stories/steps/step-04-final-validation.md

@@ -2,20 +2,15 @@
 name: 'step-04-final-validation'
 description: 'Validate complete coverage of all requirements and ensure implementation readiness'
 
-# Path Definitions
-workflow_path: '.'
-
 # File References
 thisStepFile: './step-04-final-validation.md'
-workflowFile: '{workflow_path}/workflow.md'
+workflowFile: '../workflow.md'
 outputFile: '{planning_artifacts}/epics.md'
+epicsTemplate: '../templates/epics-template.md'
 
 # Task References
 advancedElicitationTask: 'skill:bmad-advanced-elicitation'
 partyModeWorkflow: '{project-root}/_bmad/core/workflows/bmad-party-mode/workflow.md'
-
-# Template References
-epicsTemplate: '{workflow_path}/templates/epics-template.md'
 ---
 
 # Step 4: Final Validation