fix: update masonry grid sizing logic and notebook list padding

_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'
 
-workflow_path: '{project-root}/_bmad/bmm/workflows/bmad-quick-flow/create-tech-spec'
 nextStepFile: './step-03-generate.md'
 wipFile: '{implementation_artifacts}/tech-spec-wip.md'
 ---
@@ -115,21 +114,22 @@ Fill in:
 
 ### 4. Present Checkpoint Menu
 
-**Display menu:**
-
-```
-[a] Advanced Elicitation - explore more context
-[c] Continue - proceed to Generate Spec
-[p] Party Mode - bring in other experts
-```
+Display: "**Select:** [A] Advanced Elicitation [P] Party Mode [C] Continue to Generate Spec (Step 3 of 4)"
 
 **HALT and wait for user selection.**
 
-#### Menu Handling:
+#### Menu Handling Logic:
 
-- **[a]**: Load and execute `{advanced_elicitation}`, then return here and redisplay menu
-- **[c]**: Verify frontmatter updated with `stepsCompleted: [1, 2]`, then load and execute `{nextStepFile}`
-- **[p]**: Load and execute `{party_mode_exec}`, then return here and redisplay menu
+- 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 Any other comments or queries: respond helpfully then redisplay menu
+
+#### EXECUTION RULES:
+
+- ALWAYS halt and wait for user input after presenting menu
+- ONLY proceed to next step when user selects 'C'
+- After A or P execution, return to this menu
 
 ---