better-plan-mode

name	better-plan-mode
description	Enhanced planning mode that presents decision points as rich HTML documents with visual previews, comparison tables, and recommendations. Tracks all decisions in a browsable history with a landing page. Use for planning new projects or major features.
argument-hint	[describe what you want to build or the feature you're planning]

Better Plan Mode

You are helping the user plan a project or major feature by walking them through every meaningful decision — one at a time — using rich, visual HTML decision documents. You present options clearly in plain English, show visual previews where they help, and track everything in a browsable decision history.

The user's request is: $ARGUMENTS

Core principles:

• Write in plain English. Explain things like you're talking to a smart friend, not writing documentation.
• Always present exactly 4 options per decision (unless the user asks for more).
• Always include a recommendation and explain why you recommend it.
• Show, don't just tell. Use visual previews for any decision where seeing it would help.
• Keep a persistent record of every decision so the user can revisit and change their mind.

---

PHASE 1 — Understand the Request

Read $ARGUMENTS carefully.

If the request is clear and gives you enough to identify decision points (e.g. "I want to build a neighborhood book-sharing app where people can list books they're willing to lend, browse what's available nearby, and request to borrow them"), proceed to Phase 2.

If $ARGUMENTS is empty, very short, or too vague to plan around, ask 1–2 focused questions in plain English:

"That sounds interesting! Before I map out the decisions we'll need to make, can you tell me a bit more about:

• Who is this for? (the audience or users)
• What's the core thing someone should be able to do with it?"

Wait for their answer, then proceed.

---

PHASE 2 — Identify All Decision Points

Analyze the project and list every meaningful decision the user will need to make. Group them into categories:

Technical — tech stack, framework, database, auth approach, hosting, API design, data modeling Visual/UX — overall visual style, component design, color palette, typography, layout patterns Interaction — user flows, navigation patterns, onboarding, how key actions work step by step Information Architecture — what goes in the nav, content hierarchy, what's prominent vs. buried, page structure

Ordering Rules

1. Foundational decisions first (tech stack, overall style direction) — these unlock later decisions
2. Group related decisions together when possible
3. UX/Visual decisions should be interleaved with technical ones — don't dump all technical decisions first
4. Aim for 5–10 decisions for a medium project. Fewer for simple projects, more for complex ones. Don't invent decisions that don't matter.

Present the Roadmap

Before diving into the first decision, show the user the full list:

"Here's what we'll figure out together. I'll walk you through each one with options, visuals, and my recommendation:

1. Frontend Framework (Technical) — What we'll build the UI with
2. Backend & Data (Technical) — Where the data lives and how it's served
3. Visual Direction (Visual) — The overall look and feel
4. Main Navigation (IA) — How people find their way around
5. Core User Flow (Interaction) — How the main action works step by step
6. Card Design (Visual) — How individual items look in lists
7. Discovery Method (Interaction) — How users find what they're looking for

Let's start with #1. I'll open each decision in your browser so you can see the options side by side."

Wait for the user to acknowledge or adjust the list, then proceed to Phase 3 with decision #1.

---

PHASE 3 — Present a Decision as HTML

For each decision point, you will generate a self-contained HTML file and open it in the browser.

Step 3a — Set Up the Decisions Directory

On the first decision only, create the directory and state file:

mkdir -p .decisions

If .decisions/decisions.json does not exist, create it:

{
  "projectName": "[inferred from user's description]",
  "projectDescription": "[1-sentence summary of what they're building]",
  "createdAt": "[ISO timestamp]",
  "decisions": []
}

Step 3b — Generate the Decision HTML

Write a self-contained HTML file to .decisions/decision-NNN-slug.html where NNN is a zero-padded number (001, 002, etc.) and slug is a short kebab-case summary (e.g. frontend-framework, visual-direction, main-navigation).

The HTML must follow the structure and CSS defined in the HTML TEMPLATE REFERENCE section below.

Step 3c — Update decisions.json

Add or update the entry for this decision:

{
  "id": "decision-NNN",
  "slug": "the-slug",
  "title": "Human Readable Title",
  "category": "technical|visual|interaction|ia",
  "status": "pending",
  "chosenOption": null,
  "chosenTitle": null,
  "options": ["A", "B", "C", "D"],
  "recommended": "B",
  "htmlFile": "decision-NNN-slug.html",
  "decidedAt": null,
  "summary": "One sentence about what this decision is about"
}

Step 3d — Update the Landing Page

Generate or regenerate .decisions/index.html using the LANDING PAGE TEMPLATE below.

Step 3e — Open in Browser

open .decisions/decision-NNN-slug.html

Step 3f — Tell the User

"I've opened Decision N: [Title] in your browser. Take a look at the 4 options — I've recommended Option [X] but they're all solid choices.

When you're ready, tell me:

• 'Option B' — to go with that one
• 'Option A but [your tweak]' — to customize an option
• 'More options' — I'll add 4 more to the page
• Or just tell me what you're thinking and we'll figure it out"

Wait for the user's response. Do not proceed to the next decision until this one is resolved.

---

PHASE 4 — Handle the User's Response

Choosing an Option

When the user picks an option (e.g. "Option B", "B", "the second one", "Svelte Speedster"):

1. Update the HTML file: Add the .chosen class to the selected card (the .chosen-badge inside .card-badges becomes visible automatically via CSS). Add .not-chosen class to all other option cards.
2. Update decisions.json: Set status: "chosen", chosenOption: "B", chosenTitle: "The Name", decidedAt: "[timestamp]"
3. Regenerate the landing page (.decisions/index.html)
4. Confirm plainly:

"Got it — going with Option B ('Svelte Speedster') for the frontend framework. That's a great pick for this project.

Next up: Decision 2 — Backend & Data. Let me put together the options..."

Then proceed to Phase 3 for the next decision.

"Option A but [modification]"

When the user wants a modified version:

1. Generate a new version of that option incorporating their modification
2. Rewrite the HTML file with the modified option replacing the original (keep the same letter)
3. Re-open in browser: open .decisions/decision-NNN-slug.html
4. Tell the user:

"I've updated Option A with your change — [brief description of modification]. Take another look and let me know if that's the one, or if you want to tweak it further."

"More Options"

When the user asks for more choices:

1. Read the existing HTML file to understand what options are already shown
2. Determine the next batch of letters: If A–D exist, next batch is E–H. If A–H exist, next is I–L. And so on.
3. Generate 4 new options that are meaningfully different from all existing options
4. Append new option cards to the grid in the HTML file
5. Extend the comparison table with new columns for the new options
6. Append new CSS for the new option letter colors (see EXTENDED COLORS in the template section)
7. Rewrite the full HTML file and re-open: open .decisions/decision-NNN-slug.html
8. Update decisions.json: extend the options array with new letters
9. Tell the user:

"Added Options E through H — there are now 8 options on the page. Take a look and let me know which one speaks to you."

Changing a Past Decision

When the user says something like "for decision-001 I want Option C instead" or "I changed my mind about the frontend framework":

1. Read the relevant HTML file and decisions.json
2. Update the HTML: Move .chosen class to the new option, move .not-chosen to the old one
3. Update decisions.json: Change chosenOption, chosenTitle, decidedAt
4. Regenerate the landing page
5. Re-open the updated decision HTML: open .decisions/decision-NNN-slug.html
6. Tell the user:

"Done — switched Decision 1 (Frontend Framework) from Option B ('Svelte Speedster') to Option C ('Vue Versatile'). The decision page and landing page are both updated."

If the change affects downstream decisions (e.g. changing the framework might affect component design options), note this:

"Heads up: this might affect Decision 4 (Card Design) since the component patterns are different in Vue vs Svelte. Want me to regenerate those options?"

---

PHASE 5 — Generate Final Plan

After ALL decisions are resolved:

Step 5a — Write the Implementation Plan

Generate a markdown summary that reads like a project brief. Save it as .decisions/implementation-plan.md:

# Implementation Plan: [Project Name]

## What We're Building
[2-3 sentence plain English summary]

## Decisions Made
| # | Decision | Choice | Category |
|---|----------|--------|----------|
| 1 | Frontend Framework | Option B: Svelte Speedster | Technical |
| 2 | Backend & Data | Option A: Supabase Simple | Technical |
| ... | ... | ... | ... |

## Implementation Steps

### 1. Project Setup
- [ ] Initialize [framework] project
- [ ] Set up [database/backend]
- [ ] Configure [hosting/deployment]

### 2. Core Structure
- [ ] Create main layout with [navigation choice]
- [ ] Set up routing for key pages
- [ ] Implement [visual direction] theme/styles

### 3. Key Features
- [ ] Build [core flow] as decided in Decision N
- [ ] Create [component] using [design choice]
- [ ] Implement [discovery method]

### 4. Polish & Launch
- [ ] Test all user flows end to end
- [ ] Responsive design pass
- [ ] Deploy to [hosting choice]

## Decision History
All decision documents are saved in the `.decisions/` folder.
Open `.decisions/index.html` in your browser to review all decisions with visuals.

Step 5b — Present the Plan and Ask About Execution

"All decisions are locked in! Here's your implementation plan with [N] steps.

I've saved the full plan to .decisions/implementation-plan.md and your decision history is at .decisions/index.html.

How would you like to proceed?

• 'Auto mode' — I'll work through the task list and auto-run tools (you can still stop me anytime)
• 'Step by step' — I'll ask for your OK before each major action
• 'Let me review first' — Take a look at the plan and tell me if you want changes before we start
• 'Just the plan' — We're done for now, you'll implement it yourself or come back later"

Wait for the user's response and proceed accordingly.

---

HTML TEMPLATE REFERENCE

Decision Page HTML Structure

Each decision page must be a self-contained HTML file with this structure:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Decision [N]: [Title] — [Project Name]</title>
  <!-- NOTE: Use plain numbers (1, 2, 3) not zero-padded (001, 002, 003) in display text.
       Zero-padding is only for filenames (decision-001-slug.html). -->
  <!-- Load Google Fonts ONLY if the decision involves typography -->
  <!-- Load Chart.js ONLY if the decision involves data visualization -->
  <style>
    /* === BASE RESET & TYPOGRAPHY === */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
      background: #f1f5f9;
      color: #1a1a2e;
      min-height: 100vh;
      padding: 2rem;
      line-height: 1.6;
    }

    /* === HEADER === */
    header {
      text-align: center;
      margin-bottom: 2.5rem;
      padding-bottom: 1.5rem;
      border-bottom: 2px solid #e2e8f0;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .decision-number {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: #64748b;
    }

    header h1 {
      font-size: 1.6rem;
      font-weight: 700;
      color: #0f172a;
      letter-spacing: -0.02em;
      margin-top: 0.25rem;
    }

    .category-badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-top: 0.5rem;
    }

    .category-badge.technical { background: #ede9fe; color: #6d28d9; }
    .category-badge.visual { background: #fce7f3; color: #be185d; }
    .category-badge.interaction { background: #e0f2fe; color: #0369a1; }
    .category-badge.ia { background: #ecfdf5; color: #047857; }

    .decision-description {
      font-size: 1rem;
      color: #475569;
      margin-top: 0.75rem;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }

    .instruction {
      margin-top: 1rem;
      font-size: 0.85rem;
      background: #eff6ff;
      color: #1d4ed8;
      padding: 0.6rem 1.25rem;
      border-radius: 8px;
      display: inline-block;
      border: 1px solid #bfdbfe;
    }

    /* === OPTION CARDS GRID === */
    .options-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      max-width: 1200px;
      margin: 0 auto 3rem;
    }

    /* === OPTION CARD === */
    .option-card {
      background: white;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
      border: 2px solid #e2e8f0;
      transition: all 0.2s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .option-card:hover {
      border-color: #6366f1;
      box-shadow: 0 4px 20px rgba(99,102,241,0.12);
    }

    .card-header {
      padding: 1rem 1.25rem 0.75rem;
      border-bottom: 1px solid #f1f5f9;
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
    }

    .card-header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.5rem;
    }

    .option-label {
      font-size: 0.65rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    /* Option label colors */
    .option-card.option-a .option-label { color: #7c3aed; }
    .option-card.option-b .option-label { color: #0891b2; }
    .option-card.option-c .option-label { color: #059669; }
    .option-card.option-d .option-label { color: #dc2626; }

    .option-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #0f172a;
    }

    /* === RECOMMENDED BADGE === */
    .recommended-badge {
      background: #f59e0b;
      color: white;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      white-space: nowrap;
    }

    /* === CHOSEN STATE === */
    .option-card.chosen {
      border: 3px solid #059669;
      box-shadow: 0 4px 20px rgba(5,150,105,0.15);
    }

    .option-card.chosen:hover {
      border-color: #059669;
    }

    /* Badges container — stacks recommended and chosen badges vertically */
    .card-badges {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 4px;
      flex-shrink: 0;
    }

    .chosen-badge {
      background: #059669;
      color: white;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      white-space: nowrap;
      display: none;
    }

    .option-card.chosen .chosen-badge {
      display: inline-block;
    }

    .option-card.not-chosen {
      opacity: 0.55;
      filter: grayscale(20%);
    }

    .option-card.not-chosen:hover {
      opacity: 0.8;
      filter: none;
    }

    /* === VISUAL PREVIEW === */
    .visual-preview {
      padding: 1.5rem;
      background: #f8fafc;
      min-height: 200px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex: 1;
    }

    /* === PLAIN ENGLISH SUMMARY === */
    .option-summary {
      padding: 1rem 1.25rem;
      font-size: 0.875rem;
      color: #334155;
      line-height: 1.65;
      border-top: 1px solid #f1f5f9;
    }

    /* === PROS / CONS === */
    .verdict {
      display: grid;
      grid-template-columns: 1fr 1fr;
      border-top: 1px solid #f1f5f9;
    }

    .pros, .cons { padding: 1rem 1.25rem; }
    .pros { border-right: 1px solid #f1f5f9; }

    .pros h3, .cons h3 {
      font-size: 0.65rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }

    .pros h3 { color: #059669; }
    .cons h3 { color: #e11d48; }

    .verdict ul { list-style: none; padding: 0; }

    .verdict li {
      font-size: 0.8rem;
      color: #475569;
      line-height: 1.5;
      padding: 0.15rem 0;
      padding-left: 1rem;
      position: relative;
    }

    .pros li::before { content: "✓ "; color: #059669; font-weight: 700; position: absolute; left: 0; }
    .cons li::before { content: "! "; color: #e11d48; font-weight: 700; position: absolute; left: 0; }

    /* === CARD FOOTER === */
    .card-footer {
      padding: 0.75rem 1.25rem;
      background: #f8fafc;
      border-top: 1px solid #f1f5f9;
    }

    .tell-claude {
      font-size: 0.75rem;
      color: #64748b;
      background: #f1f5f9;
      padding: 0.35rem 0.65rem;
      border-radius: 6px;
      display: block;
      font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    }

    /* === COMPARISON TABLE === */
    .comparison-section {
      max-width: 1200px;
      margin: 0 auto 3rem;
    }

    .comparison-section h2 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 1rem;
    }

    .comparison-table-wrapper {
      overflow-x: auto;
      border-radius: 12px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      background: white;
      font-size: 0.85rem;
    }

    .comparison-table th {
      padding: 0.85rem 1rem;
      text-align: left;
      font-weight: 700;
      font-size: 0.75rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      border-bottom: 2px solid #e2e8f0;
      white-space: nowrap;
      position: sticky;
      top: 0;
      background: white;
    }

    .comparison-table th:first-child {
      position: sticky;
      left: 0;
      z-index: 2;
      background: #f8fafc;
      color: #64748b;
    }

    /* Color-code the option column headers */
    .comparison-table th.col-a { color: #7c3aed; }
    .comparison-table th.col-b { color: #0891b2; }
    .comparison-table th.col-c { color: #059669; }
    .comparison-table th.col-d { color: #dc2626; }

    .comparison-table td {
      padding: 0.75rem 1rem;
      border-bottom: 1px solid #f1f5f9;
      color: #334155;
    }

    .comparison-table td:first-child {
      font-weight: 600;
      color: #475569;
      position: sticky;
      left: 0;
      background: #f8fafc;
    }

    .comparison-table tr:nth-child(even) td { background: #fafbfc; }
    .comparison-table tr:nth-child(even) td:first-child { background: #f1f5f9; }

    /* Recommended column highlight */
    .comparison-table .col-recommended { background: #fffbeb !important; }

    /* Chosen column highlight */
    .comparison-table .col-chosen { background: #ecfdf5 !important; }

    .comparison-table tr:last-child td { border-bottom: none; }

    /* === INSTRUCTIONS FOOTER === */
    .page-footer {
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
      padding: 1.5rem;
      background: white;
      border-radius: 12px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    }

    .page-footer p {
      font-size: 0.85rem;
      color: #64748b;
      margin: 0.3rem 0;
    }

    .page-footer strong {
      color: #334155;
    }

    /* === NAV LINK TO LANDING PAGE === */
    .back-link {
      display: inline-block;
      margin-bottom: 1.5rem;
      font-size: 0.85rem;
      color: #6366f1;
      text-decoration: none;
      max-width: 1200px;
    }

    .back-link:hover { text-decoration: underline; }

    /* === RESPONSIVE === */
    @media (max-width: 768px) {
      .options-grid { grid-template-columns: 1fr; }
      body { padding: 1rem; }
    }

    /* === EXTENDED OPTION COLORS (for "more options") === */
    .option-card.option-e .option-label { color: #ea580c; }
    .option-card.option-f .option-label { color: #db2777; }
    .option-card.option-g .option-label { color: #0d9488; }
    .option-card.option-h .option-label { color: #4338ca; }
    .option-card.option-i .option-label { color: #d97706; }
    .option-card.option-j .option-label { color: #9333ea; }
    .option-card.option-k .option-label { color: #65a30d; }
    .option-card.option-l .option-label { color: #0284c7; }

    /* Extended comparison table header colors */
    .comparison-table th.col-e { color: #ea580c; }
    .comparison-table th.col-f { color: #db2777; }
    .comparison-table th.col-g { color: #0d9488; }
    .comparison-table th.col-h { color: #4338ca; }
    .comparison-table th.col-i { color: #d97706; }
    .comparison-table th.col-j { color: #9333ea; }
    .comparison-table th.col-k { color: #65a30d; }
    .comparison-table th.col-l { color: #0284c7; }

    /* === FLOW DIAGRAM STYLES (for interaction decisions) === */

    /* Vertical numbered flow: each step is a numbered box in a single column.
       This is the ONLY supported flow diagram layout. Do NOT use horizontal rows. */
    .flow-container {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      padding: 0.5rem;
      width: 100%;
      max-width: 280px;
    }

    .flow-step {
      display: flex;
      align-items: center;
      gap: 10px;
      background: white;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      padding: 8px 12px;
      font-size: 0.7rem;
      font-weight: 600;
      color: #334155;
      text-align: left;
      box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    }

    .flow-step.highlight {
      border-color: #6366f1;
      background: #eff6ff;
      color: #1d4ed8;
    }

    .flow-step-number {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: #e2e8f0;
      color: #475569;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.6rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    .flow-step.highlight .flow-step-number {
      background: #6366f1;
      color: white;
    }

    .flow-step-label {
      flex: 1;
    }

    /* Down arrow between steps */
    .flow-down-arrow {
      font-size: 1rem;
      color: #94a3b8;
      padding: 2px 0;
      text-align: center;
    }

    /* Error/failure step variant */
    .flow-step.error {
      border-color: #e11d48;
      background: #fff1f2;
      color: #be123c;
    }

    .flow-step.error .flow-step-number {
      background: #e11d48;
      color: white;
    }

    /* Branch label — dashed separator showing a conditional path */
    .flow-branch-label {
      font-size: 0.6rem;
      font-weight: 700;
      color: #94a3b8;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      text-align: center;
      padding: 6px 0 2px;
      border-top: 1px dashed #cbd5e1;
      margin-top: 4px;
    }

    /* === SITE MAP / NAV VISUALIZATION (for IA decisions) === */
    .sitemap {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      padding: 0.5rem;
    }

    .sitemap-level {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .sitemap-node {
      background: white;
      border: 2px solid #e2e8f0;
      border-radius: 8px;
      padding: 6px 12px;
      font-size: 0.7rem;
      font-weight: 600;
      color: #334155;
      box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    }

    .sitemap-node.primary {
      background: #6366f1;
      color: white;
      border-color: #6366f1;
    }

    .sitemap-connector {
      width: 2px;
      height: 12px;
      background: #cbd5e1;
      margin: 0 auto;
    }

    /* === ARCHITECTURE DIAGRAM (for technical decisions) === */
    .arch-diagram {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      padding: 0.5rem;
      width: 100%;
    }

    .arch-layer {
      display: flex;
      gap: 8px;
      justify-content: center;
      flex-wrap: wrap;
      width: 100%;
    }

    .arch-box {
      background: white;
      border: 2px solid #e2e8f0;
      border-radius: 8px;
      padding: 8px 14px;
      font-size: 0.7rem;
      font-weight: 600;
      color: #334155;
      text-align: center;
      min-width: 70px;
      box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    }

    .arch-box.frontend { border-color: #7c3aed; color: #7c3aed; }
    .arch-box.backend { border-color: #0891b2; color: #0891b2; }
    .arch-box.database { border-color: #059669; color: #059669; }
    .arch-box.service { border-color: #dc2626; color: #dc2626; }

    .arch-arrow {
      font-size: 1rem;
      color: #94a3b8;
      text-align: center;
    }
  </style>
</head>
<body>
  <a href="index.html" class="back-link">← All Decisions</a>

  <header>
    <span class="decision-number">Decision [N] of [TOTAL]</span>
    <!-- Use plain numbers: "Decision 3 of 8" NOT "Decision 003 of 8" -->
    <h1>[Decision Title]</h1>
    <span class="category-badge [technical|visual|interaction|ia]">[Category Name]</span>
    <p class="decision-description">
      [3-5 sentences in plain English explaining what this decision is about,
       why it matters, and what factors should influence the choice.
       Write like you're explaining it to a smart friend over coffee.]
    </p>
    <p class="instruction">
      Tell Claude: <strong>"Option B"</strong> · <strong>"Option A but [change]"</strong> · <strong>"more options"</strong>
    </p>
  </header>

  <main class="options-grid">
    <!-- Repeat this card structure for each option (A, B, C, D) -->
    <article class="option-card option-a">
      <div class="card-header">
        <div class="card-header-top">
          <span class="option-label">Option A</span>
          <!-- Badges container: holds recommended and/or chosen badges, stacked vertically.
               ALWAYS include this container. Only include the badges that apply. -->
          <div class="card-badges">
            <!-- Include recommended-badge ONLY on the recommended option: -->
            <span class="recommended-badge">Recommended</span>
            <!-- chosen-badge is always present in HTML but hidden via CSS until .chosen class is added to the card: -->
            <span class="chosen-badge">Chosen</span>
          </div>
        </div>
        <h2 class="option-title">[2-4 Word Evocative Name]</h2>
      </div>

      <div class="visual-preview">
        <!-- CONTEXT-DEPENDENT VISUAL — see rules below -->
      </div>

      <div class="option-summary">
        [3-4 sentences in plain English. What does choosing this option actually mean?
         How will it affect the project? Who is this a good fit for?
         Write conversationally — no jargon without explanation.]
      </div>

      <div class="verdict">
        <div class="pros">
          <h3>Works well when</h3>
          <ul>
            <li>[Specific context where this shines]</li>
            <li>[Another strength]</li>
            <li>[A third point if genuinely useful]</li>
          </ul>
        </div>
        <div class="cons">
          <h3>Watch out for</h3>
          <ul>
            <li>[Honest trade-off — not FUD, a real consideration]</li>
            <li>[Another trade-off]</li>
          </ul>
        </div>
      </div>

      <div class="card-footer">
        <code class="tell-claude">Tell Claude: "Option A"</code>
      </div>
    </article>
    <!-- ... repeat for B, C, D ... -->
  </main>

  <!-- COMPARISON TABLE -->
  <section class="comparison-section">
    <h2>How They Compare</h2>
    <div class="comparison-table-wrapper">
      <table class="comparison-table">
        <thead>
          <tr>
            <th></th>
            <th class="col-a [col-recommended]">Option A: [Name]</th>
            <th class="col-b [col-recommended]">Option B: [Name]</th>
            <th class="col-c [col-recommended]">Option C: [Name]</th>
            <th class="col-d [col-recommended]">Option D: [Name]</th>
          </tr>
        </thead>
        <tbody>
          <tr>
            <td>[Dimension 1, e.g. "Learning curve"]</td>
            <td class="[col-recommended]">[Value]</td>
            <td class="[col-recommended]">[Value]</td>
            <td class="[col-recommended]">[Value]</td>
            <td class="[col-recommended]">[Value]</td>
          </tr>
          <!-- 4-8 rows comparing meaningful dimensions -->
          <!-- The recommended option's column cells should all have class "col-recommended" -->
          <!-- After a choice is made, the chosen column cells get class "col-chosen" instead -->
        </tbody>
      </table>
    </div>
  </section>

  <!-- PAGE FOOTER -->
  <div class="page-footer">
    <p>Tell Claude: <strong>"Option A"</strong>, <strong>"Option C but [your change]"</strong>, or <strong>"more options"</strong></p>
    <p>To change a past decision: <strong>"for decision-001 I want Option B instead"</strong></p>
  </div>

</body>
</html>

Visual Preview Rules — What To Put in .visual-preview

The visual preview should contain a real rendered visual, not just text. What to show depends on the decision type:

For Visual/UX decisions (color, typography, style direction): Build actual rendered UI elements — buttons, cards, badges, input fields, nav bars — using inline CSS with the option's styles. Show enough to get the feel across. Example for an overall visual direction:

<div style="width:100%;max-width:340px">
  <!-- Mini card mockup -->
  <div style="background:[BG];border-radius:12px;padding:16px;border:1px solid [BORDER]">
    <div style="font-family:[FONT];font-size:18px;font-weight:700;color:[TEXT_PRIMARY]">Book Title Here</div>
    <div style="font-family:[FONT];font-size:13px;color:[TEXT_SECONDARY];margin-top:4px">by Author Name</div>
    <div style="display:flex;gap:6px;margin-top:12px">
      <span style="background:[ACCENT];color:white;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:600">Available</span>
      <span style="background:[LIGHT_BG];color:[ACCENT];padding:4px 10px;border-radius:6px;font-size:11px;font-weight:600">0.3 mi away</span>
    </div>
    <button style="width:100%;margin-top:12px;padding:10px;background:[ACCENT];color:white;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer">Request to Borrow</button>
  </div>
</div>

For Interaction decisions (user flows, how actions work): Build a vertical numbered flow diagram using .flow-container, .flow-step, .flow-step-number, .flow-step-label, and .flow-down-arrow.

ALWAYS use this pattern — a vertical column of numbered steps:

<div class="flow-container">
  <div class="flow-step">
    <span class="flow-step-number">1</span>
    <span class="flow-step-label">Browse books nearby</span>
  </div>
  <div class="flow-down-arrow">↓</div>
  <div class="flow-step highlight">
    <span class="flow-step-number">2</span>
    <span class="flow-step-label">Tap "Request to Borrow"</span>
  </div>
  <div class="flow-down-arrow">↓</div>
  <div class="flow-step">
    <span class="flow-step-number">3</span>
    <span class="flow-step-label">Owner gets notified</span>
  </div>
  <div class="flow-down-arrow">↓</div>
  <div class="flow-step highlight">
    <span class="flow-step-number">4</span>
    <span class="flow-step-label">Owner approves request</span>
  </div>
  <div class="flow-down-arrow">↓</div>
  <div class="flow-step">
    <span class="flow-step-number">5</span>
    <span class="flow-step-label">Chat opens — arrange pickup</span>
  </div>
  <div class="flow-down-arrow">↓</div>
  <div class="flow-step highlight">
    <span class="flow-step-number">6</span>
    <span class="flow-step-label">Both confirm handoff — done!</span>
  </div>
</div>

Branching flows (when the path splits based on a condition): Use .flow-branch-label for the condition and sub-numbered steps (4a, 4b, etc.) for each branch. Use .flow-step.error for failure/error steps:

<div class="flow-container">
  <div class="flow-step">
    <span class="flow-step-number">1</span>
    <span class="flow-step-label">Tap "Request to Borrow"</span>
  </div>
  <div class="flow-down-arrow">↓</div>
  <div class="flow-step error">
    <span class="flow-step-number">2</span>
    <span class="flow-step-label">Request fails</span>
  </div>
  <div class="flow-down-arrow">↓</div>
  <div class="flow-step highlight">
    <span class="flow-step-number">3</span>
    <span class="flow-step-label">Button changes to suggested action</span>
  </div>
  <div class="flow-branch-label">if book was taken ↓</div>
  <div class="flow-step">
    <span class="flow-step-number">3a</span>
    <span class="flow-step-label">Button says "See Similar Books"</span>
  </div>
  <div class="flow-branch-label">if network error ↓</div>
  <div class="flow-step">
    <span class="flow-step-number">3b</span>
    <span class="flow-step-label">Button says "Try Again"</span>
  </div>
</div>

IMPORTANT flow diagram rules:

• ALWAYS use a vertical single-column layout. NEVER use horizontal rows — they create confusing arrow connections.
• ALWAYS number every step with .flow-step-number (1, 2, 3, etc.). Use sub-numbers (4a, 4b) for branches.
• Use ↓ arrows (.flow-down-arrow) between sequential steps
• Use .flow-branch-label with a condition ("if book was taken ↓") before branching sub-steps
• Use .flow-step.error for failure/error steps (red styling)
• Use .highlight on the 2-3 most important/differentiating steps (the ones that make this option unique)
• Keep to 4-7 steps. Combine trivial steps if needed.
• In the option-summary text below the diagram, reference step numbers: "In step 2, the borrower taps..." This ties the visual to the explanation.
• Each step label should be a short action phrase (verb first): "Tap request button", "Owner approves", "Chat opens"

For Information Architecture decisions (navigation, content hierarchy): Build a mini site-map using the .sitemap, .sitemap-level, and .sitemap-node CSS classes:

<div class="sitemap">
  <div class="sitemap-level">
    <div class="sitemap-node primary">Map View</div>
  </div>
  <div class="sitemap-connector"></div>
  <div class="sitemap-level">
    <div class="sitemap-node">My Books</div>
    <div class="sitemap-node">Browse</div>
    <div class="sitemap-node">Messages</div>
    <div class="sitemap-node">Profile</div>
  </div>
</div>

For Technical decisions (framework, database, architecture): Build an architecture diagram using the .arch-diagram, .arch-layer, and .arch-box CSS classes:

<div class="arch-diagram">
  <div class="arch-layer">
    <div class="arch-box frontend">React SPA</div>
  </div>
  <div class="arch-arrow">↕</div>
  <div class="arch-layer">
    <div class="arch-box backend">REST API</div>
    <div class="arch-box service">Auth</div>
  </div>
  <div class="arch-arrow">↕</div>
  <div class="arch-layer">
    <div class="arch-box database">PostgreSQL</div>
  </div>
</div>

For some technical decisions (like "which database"), a simple stats/features list may be more useful than a diagram — use your judgment. The point is to help the user see the difference, not to force a visual where one doesn't help.

Comparison Table Dimensions

Choose 5-8 dimensions that genuinely matter for the specific decision. Adapt per category:

Technical decisions:

• Learning curve, Community/ecosystem, Performance, Scalability, Cost, Hosting options, Best suited for

Visual/UX decisions:

• Mood/feeling, Accessibility, Brand alignment, User demographic fit, Trend durability, Implementation effort

Interaction decisions:

• Number of steps, User effort, Error recovery, Speed to complete, Flexibility, Familiarity

IA decisions:

• Discoverability, Scalability (as content grows), Mobile friendliness, Cognitive load, Engagement pattern

---

LANDING PAGE TEMPLATE

The landing page at .decisions/index.html shows all decisions at a glance:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Decision Hub — [Project Name]</title>
  <style>
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
      background: #f1f5f9;
      color: #1a1a2e;
      min-height: 100vh;
      padding: 2rem;
      line-height: 1.6;
    }

    .container {
      max-width: 900px;
      margin: 0 auto;
    }

    header {
      text-align: center;
      margin-bottom: 2rem;
      padding-bottom: 1.5rem;
      border-bottom: 2px solid #e2e8f0;
    }

    header h1 {
      font-size: 1.6rem;
      font-weight: 700;
      color: #0f172a;
      letter-spacing: -0.02em;
    }

    .project-description {
      font-size: 1rem;
      color: #475569;
      margin-top: 0.5rem;
    }

    /* Progress bar */
    .progress-section {
      margin: 1.5rem 0;
    }

    .progress-label {
      font-size: 0.85rem;
      color: #64748b;
      margin-bottom: 0.5rem;
      display: flex;
      justify-content: space-between;
    }

    .progress-bar {
      width: 100%;
      height: 8px;
      background: #e2e8f0;
      border-radius: 999px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      background: #059669;
      border-radius: 999px;
      transition: width 0.3s ease;
    }

    /* Decision list */
    .decision-list {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .decision-item {
      background: white;
      border-radius: 12px;
      padding: 1.25rem 1.5rem;
      box-shadow: 0 1px 3px rgba(0,0,0,0.06);
      border: 2px solid #e2e8f0;
      text-decoration: none;
      color: inherit;
      display: flex;
      align-items: center;
      gap: 1rem;
      transition: border-color 0.2s;
    }

    .decision-item:hover {
      border-color: #6366f1;
    }

    .decision-item.resolved {
      border-left: 4px solid #059669;
    }

    .decision-item.pending {
      border-left: 4px solid #f59e0b;
    }

    .decision-number-badge {
      width: 36px;
      height: 36px;
      border-radius: 999px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    .decision-item.resolved .decision-number-badge {
      background: #ecfdf5;
      color: #059669;
    }

    .decision-item.pending .decision-number-badge {
      background: #fffbeb;
      color: #d97706;
    }

    .decision-info {
      flex: 1;
    }

    .decision-info h3 {
      font-size: 1rem;
      font-weight: 600;
      color: #0f172a;
    }

    .decision-meta {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-top: 0.3rem;
      flex-wrap: wrap;
    }

    .landing-category-badge {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 999px;
      font-size: 0.6rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .landing-category-badge.technical { background: #ede9fe; color: #6d28d9; }
    .landing-category-badge.visual { background: #fce7f3; color: #be185d; }
    .landing-category-badge.interaction { background: #e0f2fe; color: #0369a1; }
    .landing-category-badge.ia { background: #ecfdf5; color: #047857; }

    .decision-status {
      font-size: 0.8rem;
      color: #64748b;
    }

    .decision-status .chosen-text {
      color: #059669;
      font-weight: 600;
    }

    .decision-status .pending-text {
      color: #d97706;
      font-weight: 600;
    }

    .decision-summary {
      font-size: 0.8rem;
      color: #64748b;
      margin-top: 0.25rem;
    }

    .arrow-icon {
      color: #94a3b8;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .footer-note {
      text-align: center;
      margin-top: 2rem;
      font-size: 0.8rem;
      color: #94a3b8;
    }
  </style>
</head>
<body>
  <div class="container">
    <header>
      <h1>Decision Hub</h1>
      <p class="project-description">[Project Name] — [1-sentence description]</p>
    </header>

    <div class="progress-section">
      <div class="progress-label">
        <span>[X] of [Y] decisions made</span>
        <span>[percentage]%</span>
      </div>
      <div class="progress-bar">
        <div class="progress-fill" style="width: [percentage]%"></div>
      </div>
    </div>

    <div class="decision-list">
      <!-- For each decision: -->
      <a href="decision-001-slug.html" class="decision-item [resolved|pending]">
        <div class="decision-number-badge">1</div>
        <div class="decision-info">
          <h3>[Decision Title]</h3>
          <div class="decision-meta">
            <span class="landing-category-badge [technical|visual|interaction|ia]">[Category]</span>
            <span class="decision-status">
              <!-- If resolved: -->
              <span class="chosen-text">Chosen: Option B — [Title]</span>
              <!-- If pending: -->
              <span class="pending-text">Pending</span>
            </span>
          </div>
          <p class="decision-summary">[One sentence summary]</p>
        </div>
        <span class="arrow-icon">→</span>
      </a>
      <!-- ... repeat for each decision ... -->
    </div>

    <p class="footer-note">
      To change a decision, tell Claude: "for decision-001 I want Option B instead"
    </p>
  </div>
</body>
</html>

---

EDGE CASES

User skips a decision: "Skip this one" or "doesn't matter" → Set status to "chosen" with chosenOption: "skip", chosenTitle: "Skipped — Claude will decide". Use your recommendation when implementing.

User gives a custom answer not matching any option: "I want to use Postgres with Prisma ORM" → Record it as a custom choice. Set chosenOption: "custom", chosenTitle: "[their description]". Update the HTML with a new card labeled "CUSTOM CHOICE" that reflects what they said.

User wants to revisit the decision list: "What decisions have we made?" or "show me the overview" → Open the landing page: open .decisions/index.html

User wants to jump ahead: "Let's do the navigation decision next" → Reorder and present that decision next, then continue with remaining decisions.

Existing .decisions directory: If .decisions/ already exists from a prior session, read decisions.json to understand what's been decided. Resume from the first pending decision. Tell the user: "I see we've already made N decisions. Picking up where we left off with Decision M: [Title]."

User says "just decide for me": Use your recommendation for all remaining decisions. Record them all, generate the implementation plan, and present it.

---

IMPORTANT REMINDERS

1. Always 4 options. Not 3, not 5. Exactly 4. Unless the user has asked for more.
2. Always include a recommendation. Mark it with the amber badge. Explain WHY you recommend it in the option summary.
3. Plain English everywhere. If you use a technical term, explain it in the same sentence. "Supabase (a hosted database that handles authentication too)" is better than just "Supabase".
4. The comparison table is mandatory. Every decision page must have one below the cards. Pick dimensions that actually help differentiate the options.
5. Visual previews should render actual UI. For visual/UX decisions, build real HTML/CSS components. For interaction decisions, build flow diagrams. For IA decisions, build sitemaps. For technical decisions, build architecture diagrams or show code samples.
6. Open the HTML automatically. Always run open .decisions/decision-NNN-slug.html after generating.
7. Update the landing page after every change. The landing page should always reflect the current state.
8. Self-contained HTML. No external dependencies except CDN-hosted fonts or Chart.js when needed. Everything should work by opening the file directly in a browser.
9. Wait for the user. After presenting a decision, STOP and wait. Do not proceed to the next decision until the user has made a choice.
10. Handle decision changes gracefully. When a user changes a past decision, update both the individual HTML and the landing page. Flag any downstream decisions that might be affected.