live2d-assistant: Instructions file for GitHub Copilot

.github/copilot-instructions.md

live2d-assistant copilot-instructions.md is an instructions file for GitHub Copilot from wwbweibo/live2d-assistant. It costs 1,365 tokens per session, scanned A, original, MIT.

Project instructions for Live2D Assistant, a web and desktop assistant with an animated Live2D avatar and AI chat. They explain its Vue frontend, Python API server, Electron desktop app, build commands, and streaming communication.

In plain words
What is it for?
Use them when developing, building, or debugging the frontend, FastAPI backend, Electron shell, REST API, or server-sent event chat stream.
Why use it?
They give an agent the project's structure and startup details, reducing mistakes when changing or running its separate components.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is wwbweibo/live2d-assistant's own configuration. It tells GitHub Copilot how to work on live2d-assistant itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything live2d-assistant configures →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is # Add --static_path ../live2d-assistant-fe/dist to serve frontend.

Reuse

Borrowing it

Nothing to install: this file belongs to wwbweibo/live2d-assistant. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/wwbweibo/live2d-assistant/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/wwbweibo/live2d-assistant

Made for: GitHub Copilot.

Wrote this? Show the measurements

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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Per session 1,365 This file is loaded in full into every session.
When invoked 1,365 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.01365 $0.01365
Opus 5.5 $0.00546 $0.00546
Sonnet 5.5 $0.00273 $0.00273
Haiku 4.5 $0.00136 $0.00136

Measured 2mo ago against content hash af73af272817, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

live2d-assistant copilot-instructions.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.github/copilot-instructions.md · 123 lines

How it starts

The opening of the file, as written. The whole thing — 123 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Copilot Instructions — Live2D Assistant

Project Overview

Multi-platform (Web/Electron) assistant with Live2D avatar + AI chat, powered by a multi-agent system.

live2d-assistant-fe/        → Vue 3 + Vite + TypeScript (UI)
live2d-assistant-server/    → Python FastAPI (API + Agent orchestration)
  external/agentic-agent/   → git submodule: agentic-agents framework
electron-live2d/            → Electron desktop shell

Build & Run

Frontend

cd live2d-assistant-fe
npm install && npm run dev          # dev → localhost:5173
npm run build                       # prod → dist/

Backend

cd live2d-assistant-server
uv sync
uv run fastapi run main.py --host 0.0.0.0 --port 8000
# Add --static_path ../live2d-assistant-fe/dist to serve frontend

Electron

cd electron-live2d && npm install && npm run start

Architecture

Communication

  • REST API + SSE streaming (POST /api/agentic/chat)
  • CORS: allow all origins

SSE Event Format (from AgentSession.process_message())

Events use resp_type field:

resp_type Payload fields Description
status content Agent thinking status
text agent, content Streamed text output
tool_result agent, content Tool execution result
transfer from_agent, to_agent, reason Agent handoff
error content Error message
finished content Task complete

Agent System

Framework: agentic-agents (submodule at external/agentic-agent)

Flow: User → AgentSession → Router Agent → transfer_to_<Name>() → Specialist Agent → transfer_to_Router() → done

Read the full file on GitHub · 123 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 123 lines · 1,365 tokens per session scan A af73af272817

Subscribe to this mod's changes

live2d-assistant copilot-instructions.md is an instructions file published in the GitHub repository wwbweibo/live2d-assistant (11 stars, last pushed 7mo ago), licensed MIT. It adds 1,365 tokens to every session, about $0.0055 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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