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Developer Guide

developer_en.html

This document describes how developers should understand, extend, and maintain the MyAnythingList system.

1. Development Philosophy

Preserve simplicity.
Preserve human-readable text.
Prefer transparent behavior over hidden logic.
Document decisions clearly.

Future developers should not need historical chat logs to understand how the system works.

2. Core System Components

Playlist text
   ↓
URL discovery
   ↓
Command parsing
   ↓
Tile model creation
   ↓
Thumbnail / QR resolution
   ↓
Grid rendering

3. Playlist Parser

The parser extracts valid URLs from any UTF-8 text.

Rules:

URLs may appear anywhere in text.
Lines beginning with # are comments.
Commands use the syntax #_Command().

Example:

My research notes:

https://example.com/article

#_ReplaceThumbnailWithImage("cover.jpg")

4. Command System

Commands extend playlist behavior.

Examples:

#_ReplaceThumbnailWithImage("image.jpg")
#_LoadImage("panel.png")
#_LoadImageHideLinks("poster.png")

Commands apply to the most recent URL unless otherwise defined.

5. UI State Architecture

Runtime state is controlled by configuration variables.

Examples:

ShowControls
ShowGear
AutoHideGear
ShowQR
ShowTypes
ShowURLs

These values may be set through:

startup configuration
URL parameters
UI interaction

6. Thumbnail System

Thumbnail sources are prioritized:

Command thumbnail
→ Uploaded thumbnail
→ Platform thumbnail
→ Fallback image

Rules:

QR images must never replace thumbnails.
Uploaded images must affect only the intended tile.

7. Contribution Guidelines

Preserve existing behavior unless explicitly redesigned.
Update documentation when behavior changes.
Favor readability over cleverness.

8. Long-Term Goal

The project aims to remain understandable to future developers and AI systems for decades.

v09 Delta — Implementation Routing and Export Details

Future sessions should not reread the full corpus every turn. Keep a high-level routing map of which document owns each type of rule and update only the affected docs. For the build, ViewScaleMode and SafeAreaProfile are first-class runtime settings that belong in window.MyAnythingListConfig and should also be GET-addressable. Exported thumbnails must capture the final composited tile canvas and use informative filenames such as MyAnythingThumbnail_2026-03-12_041552PM_3840x2160.png.

Updated: 2026-03-12 v09