feat(codex): add brainstorm-with-file prompt for interactive brainstorming workflow

- Add multi-perspective brainstorming workflow - Support creative, pragmatic, and systematic analysis - Include diverge-converge cycles with user interaction - Add deep dive, devil's advocate, and idea merging - Document thought evolution in brainstorm.md
2026-02-11 02:33:51 +08:00 · 2026-01-28 20:33:13 +08:00
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 ---
 description: Interactive brainstorming with multi-perspective analysis, idea expansion, and documented thought evolution
 argument-hint: TOPIC="<idea or topic to brainstorm>"
 ---
 # Codex Brainstorm-With-File Prompt
 ## Overview
 Interactive brainstorming workflow with **documented thought evolution**. Expands initial ideas through questioning, multi-perspective analysis, and iterative refinement.
 **Core workflow**: Seed Idea → Expand → Multi-Perspective Explore → Synthesize → Refine → Crystallize
 **Key features**:
 - **brainstorm.md**: Complete thought evolution timeline
 - **Multi-perspective analysis**: Creative, Pragmatic, Systematic viewpoints
 - **Idea expansion**: Progressive questioning and exploration
 - **Diverge-Converge cycles**: Generate options then focus on best paths
 - **Synthesis**: Merge multiple perspectives into coherent solutions
 ## Target Topic
 **$TOPIC**
 ## Execution Process
 ```
 Session Detection:
   ├─ Check if brainstorm session exists for topic
   ├─ EXISTS + brainstorm.md exists → Continue mode
   └─ NOT_FOUND → New session mode
 Phase 1: Seed Understanding
   ├─ Parse initial idea/topic
   ├─ Identify brainstorm dimensions (technical, UX, business, etc.)
   ├─ Initial scoping with user
   ├─ Expand seed into exploration vectors
   └─ Document in brainstorm.md
 Phase 2: Divergent Exploration (Multi-Perspective)
   ├─ Creative perspective: Innovative, unconventional ideas
   ├─ Pragmatic perspective: Implementation-focused approaches
   ├─ Systematic perspective: Architectural, structured solutions
   └─ Aggregate diverse viewpoints
 Phase 3: Interactive Refinement (Multi-Round)
   ├─ Present multi-perspective findings
   ├─ User selects promising directions
   ├─ Deep dive on selected paths
   ├─ Challenge assumptions (devil's advocate)
   ├─ Update brainstorm.md with evolution
   └─ Repeat diverge-converge cycles
 Phase 4: Convergence & Crystallization
   ├─ Synthesize best ideas
   ├─ Resolve conflicts between perspectives
   ├─ Formulate actionable conclusions
   ├─ Generate next steps or implementation plan
   └─ Final brainstorm.md update
 Output:
   ├─ .workflow/.brainstorm/{slug}-{date}/brainstorm.md (thought evolution)
   ├─ .workflow/.brainstorm/{slug}-{date}/perspectives.json (analysis findings)
   ├─ .workflow/.brainstorm/{slug}-{date}/synthesis.json (final ideas)
   └─ .workflow/.brainstorm/{slug}-{date}/ideas/ (individual idea deep-dives)
 ```
 ## Implementation Details
 ### Session Setup & Mode Detection
 ```javascript
 const getUtc8ISOString = () => new Date(Date.now() + 8 * 60 * 60 * 1000).toISOString()
 const topicSlug = "$TOPIC".toLowerCase().replace(/[^a-z0-9\u4e00-\u9fa5]+/g, '-').substring(0, 40)
 const dateStr = getUtc8ISOString().substring(0, 10)
 const sessionId = `BS-${topicSlug}-${dateStr}`
 const sessionFolder = `.workflow/.brainstorm/${sessionId}`
 const brainstormPath = `${sessionFolder}/brainstorm.md`
 const perspectivesPath = `${sessionFolder}/perspectives.json`
 const synthesisPath = `${sessionFolder}/synthesis.json`
 const ideasFolder = `${sessionFolder}/ideas`
 // Auto-detect mode
 const sessionExists = fs.existsSync(sessionFolder)
 const hasBrainstorm = sessionExists && fs.existsSync(brainstormPath)
 const mode = hasBrainstorm ? 'continue' : 'new'
 if (!sessionExists) {
  bash(`mkdir -p ${sessionFolder}/ideas`)
 }
 ```
 ---
 ### Phase 1: Seed Understanding
 #### Step 1.1: Parse Seed & Identify Dimensions
 ```javascript
 // Brainstorm dimensions for multi-perspective analysis
 const BRAINSTORM_DIMENSIONS = {
  technical: ['技术', 'technical', 'implementation', 'code', '实现', 'architecture'],
  ux: ['用户', 'user', 'experience', 'UX', 'UI', '体验', 'interaction'],
  business: ['业务', 'business', 'value', 'ROI', '价值', 'market'],
  innovation: ['创新', 'innovation', 'novel', 'creative', '新颖'],
  feasibility: ['可行', 'feasible', 'practical', 'realistic', '实际'],
  scalability: ['扩展', 'scale', 'growth', 'performance', '性能'],
  security: ['安全', 'security', 'risk', 'protection', '风险']
 }
 function identifyDimensions(topic) {
  const text = topic.toLowerCase()
  const matched = []
  for (const [dimension, keywords] of Object.entries(BRAINSTORM_DIMENSIONS)) {
    if (keywords.some(k => text.includes(k))) {
      matched.push(dimension)
    }
  }
  return matched.length > 0 ? matched : ['technical', 'innovation', 'feasibility']
 }
 const dimensions = identifyDimensions("$TOPIC")
 ```
 #### Step 1.2: Initial Scoping (New Session Only)
 Ask user to scope the brainstorm:
 - Focus areas: 技术方案 / 用户体验 / 创新突破 / 可行性评估
 - Brainstorm depth: Quick Divergence / Balanced Exploration / Deep Dive
 #### Step 1.3: Expand Seed into Exploration Vectors
 Generate exploration vectors from seed idea:
 1. Core question: What is the fundamental problem/opportunity?
 2. User perspective: Who benefits and how?
 3. Technical angle: What enables this technically?
 4. Alternative approaches: What other ways could this be solved?
 5. Challenges: What could go wrong or block success?
 6. Innovation angle: What would make this 10x better?
 7. Integration: How does this fit with existing systems/processes?
 #### Step 1.4: Create/Update brainstorm.md
 For new session:
 ```markdown
 # Brainstorm Session
 **Session ID**: ${sessionId}
 **Topic**: $TOPIC
 **Started**: ${getUtc8ISOString()}
 **Dimensions**: ${dimensions.join(', ')}
 ---
 ## Initial Context
 **Focus Areas**: ${userFocusAreas.join(', ')}
 **Depth**: ${brainstormDepth}
 **Constraints**: ${constraints.join(', ') || 'None specified'}
 ---
 ## Seed Expansion
 ### Original Idea
 > $TOPIC
 ### Exploration Vectors
 ${explorationVectors.map((v, i) => `
 #### Vector ${i+1}: ${v.title}
 **Question**: ${v.question}
 **Angle**: ${v.angle}
 **Potential**: ${v.potential}
 `).join('\n')}
 ---
 ## Thought Evolution Timeline
 ### Round 1 - Seed Understanding (${timestamp})
 #### Initial Parsing
 - **Core concept**: ${coreConcept}
 - **Problem space**: ${problemSpace}
 - **Opportunity**: ${opportunity}
 #### Key Questions to Explore
 ${keyQuestions.map((q, i) => `${i+1}. ${q}`).join('\n')}
 ---
 ## Current Ideas
 *To be populated after exploration phases*
 ---
 ## Idea Graveyard
 *Discarded ideas with reasons - kept for reference*
 ```
 For continue session, append:
 ```markdown
 ### Round ${n} - Continuation (${timestamp})
 #### Previous Context
 Resuming brainstorm based on prior discussion.
 #### New Focus
 ${newFocusFromUser}
 ```
 ---
 ### Phase 2: Divergent Exploration (Multi-Perspective)
 #### Step 2.1: Creative Perspective Analysis
 Explore from creative/innovative angle:
 - Think beyond obvious solutions - what would be surprising/delightful?
 - Cross-domain inspiration (what can we learn from other industries?)
 - Challenge assumptions - what if the opposite were true?
 - Generate 'moonshot' ideas alongside practical ones
 - Consider future trends and emerging technologies
 Output:
 - 5+ creative ideas with brief descriptions
 - Each idea rated: novelty (1-5), potential impact (1-5)
 - Key assumptions challenged
 - Cross-domain inspirations
 - One 'crazy' idea that might just work
 #### Step 2.2: Pragmatic Perspective Analysis
 Evaluate from implementation reality:
 - Technical feasibility of core concept
 - Existing patterns/libraries that could help
 - Integration with current codebase
 - Implementation complexity estimates
 - Potential technical blockers
 - Incremental implementation approach
 Output:
 - 3-5 practical implementation approaches
 - Each rated: effort (1-5), risk (1-5), reuse potential (1-5)
 - Technical dependencies identified
 - Quick wins vs long-term solutions
 - Recommended starting point
 #### Step 2.3: Systematic Perspective Analysis
 Analyze from architectural standpoint:
 - Decompose the problem into sub-problems
 - Identify architectural patterns that apply
 - Map dependencies and interactions
 - Consider scalability implications
 - Evaluate long-term maintainability
 - Propose systematic solution structure
 Output:
 - Problem decomposition diagram (text)
 - 2-3 architectural approaches with tradeoffs
 - Dependency mapping
 - Scalability assessment
 - Recommended architecture pattern
 - Risk matrix
 #### Step 2.4: Aggregate Multi-Perspective Findings
 ```javascript
 const perspectives = {
  session_id: sessionId,
  timestamp: getUtc8ISOString(),
  topic: "$TOPIC",
  creative: {
    ideas: [...],
    insights: [...],
    challenges: [...]
  },
  pragmatic: {
    approaches: [...],
    blockers: [...],
    recommendations: [...]
  },
  systematic: {
    decomposition: [...],
    patterns: [...],
    tradeoffs: [...]
  },
  synthesis: {
    convergent_themes: [],
    conflicting_views: [],
    unique_contributions: []
  }
 }
 Write(perspectivesPath, JSON.stringify(perspectives, null, 2))
 ```
 #### Step 2.5: Update brainstorm.md with Perspectives
 ```markdown
 ### Round 2 - Multi-Perspective Exploration (${timestamp})
 #### Creative Perspective
 **Top Creative Ideas**:
 ${creativeIdeas.map((idea, i) => `
 ${i+1}. **${idea.title}** ⭐ Novelty: ${idea.novelty}/5 | Impact: ${idea.impact}/5
   ${idea.description}
 `).join('\n')}
 **Challenged Assumptions**:
 ${challengedAssumptions.map(a => `- ~~${a.assumption}~~ → Consider: ${a.alternative}`).join('\n')}
 **Cross-Domain Inspirations**:
 ${inspirations.map(i => `- ${i}`).join('\n')}
 ---
 #### Pragmatic Perspective
 **Implementation Approaches**:
 ${pragmaticApproaches.map((a, i) => `
 ${i+1}. **${a.title}** | Effort: ${a.effort}/5 | Risk: ${a.risk}/5
   ${a.description}
   - Quick win: ${a.quickWin}
   - Dependencies: ${a.dependencies.join(', ')}
 `).join('\n')}
 **Technical Blockers**:
 ${blockers.map(b => `- ⚠️ ${b}`).join('\n')}
 ---
 #### Systematic Perspective
 **Problem Decomposition**:
 ${decomposition}
 **Architectural Options**:
 ${architecturalOptions.map((opt, i) => `
 ${i+1}. **${opt.pattern}**
   - Pros: ${opt.pros.join(', ')}
   - Cons: ${opt.cons.join(', ')}
   - Best for: ${opt.bestFor}
 `).join('\n')}
 ---
 #### Perspective Synthesis
 **Convergent Themes** (all perspectives agree):
 ${convergentThemes.map(t => `- ✅ ${t}`).join('\n')}
 **Conflicting Views** (need resolution):
 ${conflictingViews.map(v => `
 - 🔄 ${v.topic}
  - Creative: ${v.creative}
  - Pragmatic: ${v.pragmatic}
  - Systematic: ${v.systematic}
 `).join('\n')}
 **Unique Contributions**:
 ${uniqueContributions.map(c => `- 💡 [${c.source}] ${c.insight}`).join('\n')}
 ```
 ---
 ### Phase 3: Interactive Refinement (Multi-Round)
 #### Step 3.1: Present & Select Directions
 ```javascript
 const MAX_ROUNDS = 6
 let roundNumber = 3  // After initial exploration
 let brainstormComplete = false
 while (!brainstormComplete && roundNumber <= MAX_ROUNDS) {
  // Present current state
  console.log(`
 ## Brainstorm Round ${roundNumber}
 ### Top Ideas So Far
 ${topIdeas.map((idea, i) => `
 ${i+1}. **${idea.title}** (${idea.source})
   ${idea.brief}
   - Novelty: ${'⭐'.repeat(idea.novelty)} | Feasibility: ${'✅'.repeat(idea.feasibility)}
 `).join('\n')}
 ### Open Questions
 ${openQuestions.map((q, i) => `${i+1}. ${q}`).join('\n')}
 `)
  // Gather user direction - options:
  // - 深入探索: Deep dive on selected ideas
  // - 继续发散: Generate more ideas
  // - 挑战验证: Devil's advocate challenge
  // - 合并综合: Merge multiple ideas
  // - 准备收敛: Start concluding
  // Process based on direction and update brainstorm.md
  roundNumber++
 }
 ```
 #### Step 3.2: Deep Dive on Selected Ideas
 For each selected idea, create dedicated idea file:
 ```javascript
 async function deepDiveIdea(idea) {
  const ideaPath = `${ideasFolder}/${idea.slug}.md`
  // Deep dive analysis:
  // - Elaborate the core concept in detail
  // - Identify implementation requirements
  // - List potential challenges and mitigations
  // - Suggest proof-of-concept approach
  // - Define success metrics
  // - Map related/dependent features
  // Output:
  // - Detailed concept description
  // - Technical requirements list
  // - Risk/challenge matrix
  // - MVP definition
  // - Success criteria
  // - Recommendation: pursue/pivot/park
  Write(ideaPath, deepDiveContent)
 }
 ```
 #### Step 3.3: Devil's Advocate Challenge
 For each idea, identify:
 - 3 strongest objections
 - Challenge core assumptions
 - Scenarios where this fails
 - Competitive/alternative solutions
 - Whether this solves the right problem
 - Survivability rating after challenge (1-5)
 Output:
 - Per-idea challenge report
 - Critical weaknesses exposed
 - Counter-arguments to objections (if any)
 - Ideas that survive the challenge
 - Modified/strengthened versions
 #### Step 3.4: Merge & Synthesize Ideas
 When merging selected ideas:
 - Identify complementary elements
 - Resolve contradictions
 - Create unified concept
 - Preserve key strengths from each
 - Describe the merged solution
 - Assess viability of merged idea
 Output:
 - Merged concept description
 - Elements taken from each source idea
 - Contradictions resolved (or noted as tradeoffs)
 - New combined strengths
 - Implementation considerations
 #### Step 3.5: Document Each Round
 Append to brainstorm.md:
 ```markdown
 ### Round ${n} - ${roundType} (${timestamp})
 #### User Direction
 - **Selected ideas**: ${selectedIdeas.join(', ')}
 - **Action**: ${action}
 - **Reasoning**: ${userReasoning || 'Not specified'}
 ${roundType === 'deep-dive' ? `
 #### Deep Dive: ${ideaTitle}
 **Elaborated Concept**:
 ${elaboratedConcept}
 **Implementation Requirements**:
 ${requirements.map(r => `- ${r}`).join('\n')}
 **Challenges & Mitigations**:
 ${challenges.map(c => `- ⚠️ ${c.challenge} → ✅ ${c.mitigation}`).join('\n')}
 **MVP Definition**:
 ${mvpDefinition}
 **Recommendation**: ${recommendation}
 ` : ''}
 ${roundType === 'challenge' ? `
 #### Devil's Advocate Results
 **Challenges Raised**:
 ${challenges.map(c => `
 - 🔴 **${c.idea}**: ${c.objection}
  - Counter: ${c.counter || 'No strong counter-argument'}
  - Survivability: ${c.survivability}/5
 `).join('\n')}
 **Ideas That Survived**:
 ${survivedIdeas.map(i => `- ✅ ${i}`).join('\n')}
 **Eliminated/Parked**:
 ${eliminatedIdeas.map(i => `- ❌ ${i.title}: ${i.reason}`).join('\n')}
 ` : ''}
 ${roundType === 'merge' ? `
 #### Merged Idea: ${mergedIdea.title}
 **Source Ideas Combined**:
 ${sourceIdeas.map(i => `- ${i}`).join('\n')}
 **Unified Concept**:
 ${mergedIdea.description}
 **Key Elements Preserved**:
 ${preservedElements.map(e => `- ✅ ${e}`).join('\n')}
 **Tradeoffs Accepted**:
 ${tradeoffs.map(t => `- ⚖️ ${t}`).join('\n')}
 ` : ''}
 #### Updated Idea Ranking
 ${updatedRanking.map((idea, i) => `
 ${i+1}. **${idea.title}** ${idea.status}
   - Score: ${idea.score}/10
   - Source: ${idea.source}
 `).join('\n')}
 ```
 ---
 ### Phase 4: Convergence & Crystallization
 #### Step 4.1: Final Synthesis
 ```javascript
 const synthesis = {
  session_id: sessionId,
  topic: "$TOPIC",
  completed: getUtc8ISOString(),
  total_rounds: roundNumber,
  // Top ideas with full details
  top_ideas: ideas.filter(i => i.status === 'active').sort((a,b) => b.score - a.score).slice(0, 5).map(idea => ({
    title: idea.title,
    description: idea.description,
    source_perspective: idea.source,
    score: idea.score,
    novelty: idea.novelty,
    feasibility: idea.feasibility,
    key_strengths: idea.strengths,
    main_challenges: idea.challenges,
    next_steps: idea.nextSteps
  })),
  // Parked ideas for future reference
  parked_ideas: ideas.filter(i => i.status === 'parked').map(idea => ({
    title: idea.title,
    reason_parked: idea.parkReason,
    potential_future_trigger: idea.futureTrigger
  })),
  // Key insights from the process
  key_insights: keyInsights,
  // Recommendations
  recommendations: {
    primary: primaryRecommendation,
    alternatives: alternativeApproaches,
    not_recommended: notRecommended
  },
  // Follow-up suggestions
  follow_up: [
    { type: 'implementation', summary: '...' },
    { type: 'research', summary: '...' },
    { type: 'validation', summary: '...' }
  ]
 }
 Write(synthesisPath, JSON.stringify(synthesis, null, 2))
 ```
 #### Step 4.2: Final brainstorm.md Update
 ```markdown
 ---
 ## Synthesis & Conclusions (${timestamp})
 ### Executive Summary
 ${executiveSummary}
 ### Top Ideas (Final Ranking)
 ${topIdeas.map((idea, i) => `
 #### ${i+1}. ${idea.title} ⭐ Score: ${idea.score}/10
 **Description**: ${idea.description}
 **Why This Idea**:
 ${idea.strengths.map(s => `- ✅ ${s}`).join('\n')}
 **Main Challenges**:
 ${idea.challenges.map(c => `- ⚠️ ${c}`).join('\n')}
 **Recommended Next Steps**:
 ${idea.nextSteps.map((s, j) => `${j+1}. ${s}`).join('\n')}
 ---
 `).join('\n')}
 ### Primary Recommendation
 > ${primaryRecommendation}
 **Rationale**: ${primaryRationale}
 **Quick Start Path**:
 1. ${step1}
 2. ${step2}
 3. ${step3}
 ### Alternative Approaches
 ${alternatives.map((alt, i) => `
 ${i+1}. **${alt.title}**
   - When to consider: ${alt.whenToConsider}
   - Tradeoff: ${alt.tradeoff}
 `).join('\n')}
 ### Ideas Parked for Future
 ${parkedIdeas.map(idea => `
 - **${idea.title}** (Parked: ${idea.reason})
  - Revisit when: ${idea.futureTrigger}
 `).join('\n')}
 ---
 ## Key Insights
 ### Process Discoveries
 ${processDiscoveries.map(d => `- 💡 ${d}`).join('\n')}
 ### Assumptions Challenged
 ${challengedAssumptions.map(a => `- ~~${a.original}~~ → ${a.updated}`).join('\n')}
 ### Unexpected Connections
 ${unexpectedConnections.map(c => `- 🔗 ${c}`).join('\n')}
 ---
 ## Current Understanding (Final)
 ### Problem Reframed
 ${reframedProblem}
 ### Solution Space Mapped
 ${solutionSpaceMap}
 ### Decision Framework
 When to choose each approach:
 ${decisionFramework}
 ---
 ## Session Statistics
 - **Total Rounds**: ${totalRounds}
 - **Ideas Generated**: ${totalIdeas}
 - **Ideas Survived**: ${survivedIdeas}
 - **Perspectives Used**: Creative, Pragmatic, Systematic
 - **Duration**: ${duration}
 - **Artifacts**: brainstorm.md, perspectives.json, synthesis.json, ${ideaFiles.length} idea deep-dives
 ```
 #### Step 4.3: Post-Completion Options
 Offer follow-up options:
 - Create Implementation Plan: Convert best idea to implementation plan
 - Create Issue: Turn ideas into trackable issues
 - Deep Analysis: Run detailed technical analysis on an idea
 - Export Report: Generate shareable report
 - Complete: No further action needed
 ---
 ## Session Folder Structure
 ```
 .workflow/.brainstorm/BS-{slug}-{date}/
 ├── brainstorm.md        # Complete thought evolution
 ├── perspectives.json    # Multi-perspective analysis findings
 ├── synthesis.json       # Final synthesis
 └── ideas/               # Individual idea deep-dives
    ├── idea-1.md
    ├── idea-2.md
    └── merged-idea-1.md
 ```
 ## Brainstorm Document Template
 ```markdown
 # Brainstorm Session
 **Session ID**: BS-xxx-2025-01-28
 **Topic**: [idea or topic]
 **Started**: 2025-01-28T10:00:00+08:00
 **Dimensions**: [technical, ux, innovation, ...]
 ---
 ## Initial Context
 **Focus Areas**: [selected focus areas]
 **Depth**: [quick|balanced|deep]
 **Constraints**: [if any]
 ---
 ## Seed Expansion
 ### Original Idea
 > [the initial idea]
 ### Exploration Vectors
 [generated questions and directions]
 ---
 ## Thought Evolution Timeline
 ### Round 1 - Seed Understanding
 ...
 ### Round 2 - Multi-Perspective Exploration
 #### Creative Perspective
 ...
 #### Pragmatic Perspective
 ...
 #### Systematic Perspective
 ...
 #### Perspective Synthesis
 ...
 ### Round 3 - Deep Dive
 ...
 ### Round 4 - Challenge
 ...
 ---
 ## Synthesis & Conclusions
 ### Executive Summary
 ...
 ### Top Ideas (Final Ranking)
 ...
 ### Primary Recommendation
 ...
 ---
 ## Key Insights
 ...
 ---
 ## Current Understanding (Final)
 ...
 ---
 ## Session Statistics
 ...
 ```
 ## Multi-Perspective Analysis Strategy
 ### Perspective Roles
 | Perspective | Focus | Best For |
 |-------------|-------|----------|
 | Creative | Innovation, cross-domain | Generating novel ideas |
 | Pragmatic | Implementation, feasibility | Reality-checking ideas |
 | Systematic | Architecture, structure | Organizing solutions |
 ### Analysis Patterns
 1. **Parallel Divergence**: All perspectives explore simultaneously from different angles
 2. **Sequential Deep-Dive**: One perspective expands, others critique/refine
 3. **Debate Mode**: Perspectives argue for/against specific approaches
 4. **Synthesis Mode**: Combine insights from all perspectives
 ### When to Use Each Pattern
 - **New topic**: Parallel Divergence → get diverse initial ideas
 - **Promising idea**: Sequential Deep-Dive → thorough exploration
 - **Controversial approach**: Debate Mode → uncover hidden issues
 - **Ready to decide**: Synthesis Mode → create actionable conclusion
 ## Consolidation Rules
 When updating "Current Understanding":
 1. **Promote confirmed insights**: Move validated findings to "What We Established"
 2. **Track corrections**: Keep important wrong→right transformations
 3. **Focus on current state**: What do we know NOW
 4. **Avoid timeline repetition**: Don't copy discussion details
 5. **Preserve key learnings**: Keep insights valuable for future reference
 **Bad (cluttered)**:
 ```markdown
 ## Current Understanding
 In round 1 we discussed X, then in round 2 user said Y, and we explored Z...
 ```
 **Good (consolidated)**:
 ```markdown
 ## Current Understanding
 ### Problem Reframed
 The core challenge is not X but actually Y because...
 ### Solution Space Mapped
 Three viable approaches emerged: A (creative), B (pragmatic), C (hybrid)
 ### Decision Framework
 - Choose A when: innovation is priority
 - Choose B when: time-to-market matters
 - Choose C when: balanced approach needed
 ```
 ## Error Handling
 | Situation | Action |
 |-----------|--------|
 | Analysis timeout | Retry with focused scope, or continue without that perspective |
 | No good ideas | Reframe the problem, adjust constraints, try different angles |
 | User disengaged | Summarize progress, offer break point with resume option |
 | Perspectives conflict | Present as tradeoff, let user decide direction |
 | Max rounds reached | Force synthesis, highlight unresolved questions |
 | All ideas fail challenge | Return to divergent phase with new constraints |
 | Session folder conflict | Append timestamp suffix |
 ## Iteration Flow
 ```
 First Call (TOPIC="topic"):
   ├─ No session exists → New mode
   ├─ Identify brainstorm dimensions
   ├─ Scope with user
   ├─ Create brainstorm.md with initial understanding
   ├─ Expand seed into exploration vectors
   ├─ Launch multi-perspective exploration
   └─ Enter refinement loop
 Continue Call (TOPIC="topic"):
   ├─ Session exists → Continue mode
   ├─ Load brainstorm.md
   ├─ Resume from last round
   └─ Continue refinement loop
 Refinement Loop:
   ├─ Present current findings and top ideas
   ├─ Gather user feedback
   ├─ Process response:
   │   ├─ Deep dive → Explore selected ideas in depth
   │   ├─ Diverge → Generate more ideas
   │   ├─ Challenge → Devil's advocate testing
   │   ├─ Merge → Combine multiple ideas
   │   └─ Converge → Exit loop for synthesis
   ├─ Update brainstorm.md
   └─ Repeat until complete or max rounds
 Completion:
   ├─ Generate synthesis.json
   ├─ Update brainstorm.md with final synthesis
   └─ Offer follow-up options
 ```
 ---
 **Now execute the brainstorm-with-file workflow for topic**: $TOPIC