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| 1 | +# Marketplace Content Guide — Stream Deck iCal Plugin |
| 2 | + |
| 3 | +This guide is for AI agents and contributors who maintain the Elgato Marketplace listing content for this plugin. |
| 4 | + |
| 5 | +## Directory Structure |
| 6 | + |
| 7 | +``` |
| 8 | +content/ |
| 9 | +├── CONTENT-GUIDE.md ← This file (agent instructions) |
| 10 | +├── description.md ← Plugin description (source of truth) |
| 11 | +├── release-notes.md ← Release notes per version (source of truth) |
| 12 | +├── marketplace-content.html ← Copy-paste ready HTML for WYSIWYG editor |
| 13 | +└── assets/ |
| 14 | + ├── icon.svg ← 288×288 plugin icon (source) |
| 15 | + ├── icon.png ← Generated from SVG |
| 16 | + ├── thumbnail.svg ← 1920×960 hero image (source) |
| 17 | + ├── thumbnail.png ← Generated from SVG |
| 18 | + ├── gallery-1-actions.svg ← 1920×960 all actions overview (source) |
| 19 | + ├── gallery-1-actions.png ← Generated from SVG |
| 20 | + ├── gallery-2-setup.svg ← 1920×960 setup flow (source) |
| 21 | + ├── gallery-2-setup.png ← Generated from SVG |
| 22 | + ├── gallery-3-states.svg ← 1920×960 key states (source) |
| 23 | + ├── gallery-3-states.png ← Generated from SVG |
| 24 | + ├── gallery-4-*.svg ← 1920×960 additional feature (source) |
| 25 | + └── gallery-4-*.png ← Generated from SVG |
| 26 | +``` |
| 27 | + |
| 28 | +## Source of Truth |
| 29 | + |
| 30 | +| Content type | Source of truth | Format | |
| 31 | +|---|---|---| |
| 32 | +| Text (description) | `content/description.md` | Markdown | |
| 33 | +| Text (release notes) | `content/release-notes.md` | Markdown | |
| 34 | +| Copy-paste HTML | `content/marketplace-content.html` | HTML (manually synced from .md files) | |
| 35 | +| Images | `content/assets/*.svg` | SVG → PNG via script | |
| 36 | + |
| 37 | +**Rules:** |
| 38 | +- Edit the `.md` files first, then update the HTML file to match. |
| 39 | +- Edit `.svg` files first, then run `npm run content:assets` to regenerate PNGs. |
| 40 | +- Never edit PNGs directly — they are generated artifacts. |
| 41 | + |
| 42 | +--- |
| 43 | + |
| 44 | +## Elgato Marketplace Asset Requirements |
| 45 | + |
| 46 | +| Asset | Format | Max Size | Dimensions | Aspect Ratio | Required | |
| 47 | +|-------|--------|----------|------------|--------------|----------| |
| 48 | +| **Icon** | PNG or JPG | 2 MB | 288 × 288 | 1:1 | Yes | |
| 49 | +| **Thumbnail** | PNG or JPG | 5 MB | 1920 × 960 | 2:1 | Yes | |
| 50 | +| **Gallery images** | PNG or JPG | 10 MB each | 1920 × 960 | 2:1 | Min 3 | |
| 51 | +| **Gallery video** | MP4 | 50 MB | 1920 × 1080 | 16:9 | Optional | |
| 52 | +| **Description** | Plain text / formatted | — | — | — | Yes, max 4,000 chars | |
| 53 | +| **Release Notes** | Plain text / formatted | — | — | — | Yes, max 1,500 chars per version | |
| 54 | + |
| 55 | +--- |
| 56 | + |
| 57 | +## When to Update Each Asset |
| 58 | + |
| 59 | +### Every Release |
| 60 | +- `content/release-notes.md` — Add new version entry |
| 61 | +- `content/marketplace-content.html` — Update the release notes tabs |
| 62 | +- `content/description.md` — Review; update if features changed |
| 63 | + |
| 64 | +### Only When Actions/Display Changes |
| 65 | +- `content/assets/gallery-*.svg` — Update when key visuals change |
| 66 | +- `content/assets/thumbnail.svg` — Update when actions are added/removed |
| 67 | +- `content/assets/icon.svg` — Rarely changes (only for major rebrands) |
| 68 | + |
| 69 | +### After Any Asset SVG Change |
| 70 | +- Run `npm run content:assets` to regenerate PNGs |
| 71 | + |
| 72 | +--- |
| 73 | + |
| 74 | +## How to Write Release Notes |
| 75 | + |
| 76 | +### Template |
| 77 | + |
| 78 | +```markdown |
| 79 | +## vX.Y.Z — YYYY-MM-DD |
| 80 | + |
| 81 | +Brief one-line summary of the release theme. |
| 82 | + |
| 83 | +- Feature or change description (user-facing language) |
| 84 | +- Another change |
| 85 | +- Bug fix description |
| 86 | + |
| 87 | +<!-- chars: ~NNN --> |
| 88 | +``` |
| 89 | + |
| 90 | +### Rules |
| 91 | +- **Most recent version first** |
| 92 | +- Only **user-facing changes** — skip internal refactors, test changes, docs-only changes |
| 93 | +- Use plain language: "Added support for..." not "feat: implement..." |
| 94 | +- Include character count comment (max 1,500 per entry) |
| 95 | +- Keep each entry self-contained — readers see one version at a time in the marketplace |
| 96 | + |
| 97 | +### What to Include |
| 98 | +- New features and actions |
| 99 | +- Changed behavior |
| 100 | +- Fixed bugs users would notice |
| 101 | +- Removed features |
| 102 | + |
| 103 | +### What to Exclude |
| 104 | +- Internal refactoring |
| 105 | +- Test additions/changes |
| 106 | +- Documentation-only changes |
| 107 | +- Dependency updates (unless they fix a user-visible issue) |
| 108 | + |
| 109 | +--- |
| 110 | + |
| 111 | +## How to Update the Description |
| 112 | + |
| 113 | +### Rules |
| 114 | +- Max **4,000 characters** (hard limit — the portal will reject more) |
| 115 | +- Include character count metadata at top of `description.md` |
| 116 | +- Marketing tone — highlight value, not implementation |
| 117 | +- Structure: Headline → Summary → Actions → Features → Requirements → Getting Started |
| 118 | + |
| 119 | +### When Adding a New Action |
| 120 | +1. Add it to the "Actions" section in `description.md` |
| 121 | +2. Update the count ("three powerful actions" → "four powerful actions") |
| 122 | +3. Update the HTML file to match |
| 123 | +4. Consider updating gallery-1 SVG to show the new action |
| 124 | + |
| 125 | +### When Adding a New Feature |
| 126 | +1. Add it to the appropriate section in `description.md` |
| 127 | +2. Update the HTML file to match |
| 128 | +3. Consider whether gallery images need updating |
| 129 | + |
| 130 | +--- |
| 131 | + |
| 132 | +## How to Regenerate PNGs from SVGs |
| 133 | + |
| 134 | +```powershell |
| 135 | +npm run content:assets |
| 136 | +``` |
| 137 | + |
| 138 | +This runs `scripts/convert-content-assets.ts` which: |
| 139 | +1. Reads all `.svg` files from `content/assets/` |
| 140 | +2. Converts each to PNG at native viewBox dimensions using `@resvg/resvg-js` |
| 141 | +3. Logs filename, dimensions, and file size |
| 142 | +4. Outputs PNGs alongside the SVGs |
| 143 | + |
| 144 | +After running, verify: |
| 145 | +- Icon PNG ≤ 2 MB |
| 146 | +- Thumbnail PNG ≤ 5 MB |
| 147 | +- Gallery PNGs ≤ 10 MB each |
| 148 | + |
| 149 | +--- |
| 150 | + |
| 151 | +## How to Update the HTML Copy-Paste File |
| 152 | + |
| 153 | +The Elgato Marketplace uses a WYSIWYG editor that doesn't accept Markdown. The HTML file provides formatted content that can be copied and pasted directly. |
| 154 | + |
| 155 | +### Steps |
| 156 | +1. Update the source `.md` file first |
| 157 | +2. Open `content/marketplace-content.html` |
| 158 | +3. Find the corresponding section |
| 159 | +4. Update the HTML to match the Markdown content |
| 160 | +5. Preserve formatting: `<strong>` for bold, `<ul>/<li>` for lists, `<h3>` for headings |
| 161 | +6. Test by opening in a browser — verify character counts are within limits |
| 162 | + |
| 163 | +### Copy-Paste Workflow (for the user) |
| 164 | +1. Open `content/marketplace-content.html` in a browser |
| 165 | +2. Click inside the white content box for Description or the desired Release Notes tab |
| 166 | +3. Select all text in the box (Ctrl+A while focused in the box) |
| 167 | +4. Copy (Ctrl+C) |
| 168 | +5. Paste into the Elgato Marketplace WYSIWYG editor (Ctrl+V) |
| 169 | +6. Verify formatting preserved (bold, lists, headings) |
| 170 | + |
| 171 | +--- |
| 172 | + |
| 173 | +## Visual Design Language |
| 174 | + |
| 175 | +### Colors |
| 176 | +| Role | Color | Usage | |
| 177 | +|------|-------|-------| |
| 178 | +| Background dark | `#0d1117` | SVG backgrounds (dark end) | |
| 179 | +| Background mid | `#161b22` | SVG backgrounds (light end) | |
| 180 | +| Surface | `#1c2128` | Card/panel backgrounds | |
| 181 | +| Border | `#30363d` | Subtle borders | |
| 182 | +| Text primary | `#ffffff` | Headings, key text | |
| 183 | +| Text secondary | `#9ca3af` | Descriptions, labels | |
| 184 | +| Accent green | `#22c55e` | OK/normal state, features | |
| 185 | +| Accent orange | `#f97316` | Warning state (approaching meeting) | |
| 186 | +| Accent red | `#ef4444` | Urgent state (imminent meeting) | |
| 187 | +| Accent blue | `#3b82f6` | Links, info, time displays | |
| 188 | +| Key background | `#000000` | Stream Deck key face | |
| 189 | + |
| 190 | +### Key Mockup Style |
| 191 | +- Black square with slightly rounded corners (4px radius at key scale) |
| 192 | +- Top accent bar: 2px colored line at top of key (green = normal, orange = warning, red = urgent) |
| 193 | +- White text centered, small font |
| 194 | +- Simulates the actual Stream Deck OLED key appearance |
| 195 | + |
| 196 | +### SVG Layout Patterns |
| 197 | +- **Thumbnail**: Plugin name large left, tagline below, key mockups right, feature strip at bottom |
| 198 | +- **Gallery — Actions**: Simulated Stream Deck grid with all action keys populated |
| 199 | +- **Gallery — Setup**: Three-step flow with numbered circles and UI mockups |
| 200 | +- **Gallery — States**: Side-by-side key states showing color transitions |
| 201 | + |
| 202 | +### Fonts |
| 203 | +- Use `system-ui, -apple-system, sans-serif` in SVGs for maximum compatibility |
| 204 | +- The resvg renderer will use system fonts — no custom fonts needed |
| 205 | + |
| 206 | +--- |
| 207 | + |
| 208 | +## Release Workflow Checklist |
| 209 | + |
| 210 | +When releasing a new version, add these steps after the GitHub Release: |
| 211 | + |
| 212 | +1. [ ] Write release notes in `content/release-notes.md` |
| 213 | +2. [ ] Review `content/description.md` — update if features changed |
| 214 | +3. [ ] Update `content/marketplace-content.html` with matching HTML |
| 215 | +4. [ ] Update gallery SVGs in `content/assets/` if key display changed |
| 216 | +5. [ ] Run `npm run content:assets` to regenerate PNGs |
| 217 | +6. [ ] Commit content changes with the version bump |
| 218 | +7. [ ] After GitHub Release: open HTML in browser → copy → paste into Elgato Marketplace WYSIWYG |
| 219 | +8. [ ] After GitHub Release: upload new asset PNGs if changed |
| 220 | + |
| 221 | +--- |
| 222 | + |
| 223 | +## Elgato Marketplace Upload Procedure |
| 224 | + |
| 225 | +1. Go to the [Elgato Developer Portal](https://developer.elgato.com/) |
| 226 | +2. Sign in and navigate to your plugin listing |
| 227 | +3. **Description tab**: |
| 228 | + - Open `content/marketplace-content.html` in your browser |
| 229 | + - Copy the Description content from the white box |
| 230 | + - Paste into the WYSIWYG Description field |
| 231 | + - Verify character count ≤ 4,000 |
| 232 | +4. **What's New tab**: |
| 233 | + - Copy the latest version's release notes from the HTML file |
| 234 | + - Paste into the WYSIWYG Release Notes field |
| 235 | + - Verify character count ≤ 1,500 |
| 236 | +5. **Assets tab**: |
| 237 | + - Upload `content/assets/icon.png` as the Icon (288×288, ≤ 2 MB) |
| 238 | + - Upload `content/assets/thumbnail.png` as the Thumbnail (1920×960, ≤ 5 MB) |
| 239 | + - Upload `content/assets/gallery-*.png` files as Gallery images (1920×960, ≤ 10 MB each) |
| 240 | + - Ensure at least 3 gallery images |
| 241 | +6. **Upload** the `.streamDeckPlugin` package file |
| 242 | +7. **Submit** for review |
| 243 | + |
| 244 | +--- |
| 245 | + |
| 246 | +## FAQ for Agents |
| 247 | + |
| 248 | +### Q: Why is there both a Markdown file and an HTML file for text content? |
| 249 | +The Elgato Marketplace WYSIWYG editor doesn't accept Markdown. Markdown is the source of truth for easy editing. The HTML file is the delivery format for copy-pasting into the editor. |
| 250 | + |
| 251 | +### Q: Why copy-paste instead of direct HTML upload? |
| 252 | +The Elgato portal doesn't accept raw HTML — it uses a WYSIWYG text editor. Copy-paste from a rendered HTML page preserves formatting (bold, lists, headings). |
| 253 | + |
| 254 | +### Q: How do I know if the character count is correct? |
| 255 | +The HTML file includes live JavaScript character counters. Open it in a browser to see current counts. The metadata at the top of each `.md` file also tracks this. |
| 256 | + |
| 257 | +### Q: Can I use the Cloudflare logo, Elgato logo, or other brand logos? |
| 258 | +**No.** Use only original artwork. No copyrighted logos or third-party brand marks. |
| 259 | + |
| 260 | +### Q: The PNG is too large. What do I do? |
| 261 | +Simplify the SVG (remove gradients, reduce detail, use fewer elements). The resvg conversion is lossless PNG — complex SVGs produce large files. |
| 262 | + |
| 263 | +### Q: Do I need to update all gallery images every release? |
| 264 | +No. Only update gallery images when the visual appearance of keys or UI changes. Text-only features don't require gallery updates. |
| 265 | + |
| 266 | +### Q: What's the minimum number of gallery images? |
| 267 | +Three (3). The Elgato Marketplace requires at least 3 gallery images. |
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