chore: update documentation to reflect recent architectural changes and improve clarity

_bmad/bmm/workflows/bmad-quick-flow/quick-spec/steps/step-02-investigate.md

@@ -2,7 +2,6 @@
 name: 'step-02-investigate'
 description: 'Map technical constraints and anchor points within the codebase'
 
-nextStepFile: './step-03-generate.md'
 wipFile: '{implementation_artifacts}/tech-spec-wip.md'
 ---
 
@@ -122,7 +121,7 @@ Display: "**Select:** [A] Advanced Elicitation [P] Party Mode [C] Continue to Ge
 
 - IF A: Read fully and follow: `{advanced_elicitation}` with current tech-spec content, process enhanced insights, ask user "Accept improvements? (y/n)", if yes update WIP file then redisplay menu, if no keep original then redisplay menu
 - IF P: Read fully and follow: `{party_mode_exec}` with current tech-spec content, process collaborative insights, ask user "Accept changes? (y/n)", if yes update WIP file then redisplay menu, if no keep original then redisplay menu
-- IF C: Verify frontmatter updated with `stepsCompleted: [1, 2]`, then read fully and follow: `{nextStepFile}`
+- IF C: Verify frontmatter updated with `stepsCompleted: [1, 2]`, then read fully and follow: `{project-root}/_bmad/bmm/workflows/bmad-quick-flow/quick-spec/steps/step-03-generate.md`
 - IF Any other comments or queries: respond helpfully then redisplay menu
 
 #### EXECUTION RULES: