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jayrah: Instructions file for GitHub Copilot

.github/instructions/web-ui.instructions.md

jayrah web-ui.instructions.md is an instructions file for GitHub Copilot from chmouel/jayrah. It costs 498 tokens per session, scanned A, original, Apache-2.0.

Development instructions for Jayrah’s browser-based interface, built with a FastAPI web server and plain HTML, CSS, and JavaScript.

In plain words
What is it for?
Use it when working on Jayrah’s web UI, such as changing its layout, search, Markdown display, Jira fields, or issue-list view.
Why use it?
It explains how the web interface is organised and how to run it while developing, including automatic reloading when files change.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is chmouel/jayrah's own configuration. It tells GitHub Copilot how to work on jayrah 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 jayrah configures →

not rated 3repo 8mo ago A scan 498 tokens original Apache-2.0 archived
View source ↗ chmouel/jayrah
Reuse

Borrowing it

Nothing to install: this file belongs to chmouel/jayrah. 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/chmouel/jayrah/main/.github/instructions/web-ui.instructions.md
Clone the repo
git clone --depth 1 https://github.com/chmouel/jayrah

Made for: GitHub Copilot.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for jayrah web-ui.instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/chmouel/jayrah/web-ui/github.svg)](https://agentmods.dev/instructions/chmouel/jayrah/web-ui)
Your own site
<a href="https://agentmods.dev/instructions/chmouel/jayrah/web-ui"><img src="https://agentmods.dev/badge/instructions/chmouel/jayrah/web-ui/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for jayrah web-ui.instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/chmouel/jayrah/web-ui"><img src="https://agentmods.dev/badge/instructions/chmouel/jayrah/web-ui.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 498 This file is loaded in full into every session.
When invoked 498 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 $0.00498 $0.00498
Opus 5.5 $0.00199 $0.00199
Sonnet 5.5 $0.00100 $0.00100
Haiku 4.5 $0.00050 $0.00050

Measured 2mo ago against content hash ea3141119990, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

jayrah web-ui.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/instructions/web-ui.instructions.md · 60 lines

How it starts

The opening of the file, as written. The whole thing — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Web UI Development Instructions

Development Workflow

The Jayrah web UI is built with FastAPI backend and vanilla HTML/CSS/JavaScript frontend.

Running the Web Server

Use the Makefile command for development:

make web

This starts the web server with:

  • Auto-reload enabled: Changes to files automatically restart the server
  • Reload directory: Watches ./jayrah/ui/web for changes
  • Hot reload: No need to manually kill/restart the server during development

File Structure

  • jayrah/ui/web/server.py - FastAPI backend server
  • jayrah/ui/web/index.html - Frontend HTML/CSS/JavaScript (single page app)

Key Features Implemented

  • Full screen layout: Uses entire viewport with responsive design
  • Horizontal scrolling: Issue list table scrolls horizontally by default
  • Custom fields support: Displays Jira custom fields same as TUI
  • Markdown rendering: Converts Jira markup to HTML using marked.js
  • Real-time search: Debounced search with backend filtering
  • Professional UI: Inbox-style layout matching TUI workflow

Development Notes

  • No manual restarts needed: Thanks to --reload, just save files and refresh browser
  • Shared logic: Common functions moved to jayrah/ui/shared_helpers.py to avoid circular imports
  • Config compatibility: Uses same ~/.config/jayrah/config.yaml as TUI
  • API endpoints:
    • /api/issues - List issues with optional search
    • /api/issue/{key} - Get issue details with custom fields config
    • /api/config - Get configuration including custom fields
  • Always use make web which does auto reload and hot reload

Testing Changes

  1. Make changes to server.py or index.html
  2. Save the file (uvicorn will auto-reload)
  3. Refresh browser at http://127.0.0.1:8000
  4. No need to kill/restart the server process

External Dependencies

  • marked.js: Loaded from CDN for Jira markdown → HTML conversion
  • FastAPI: Backend framework
  • Uvicorn: ASGI server with hot reload capability

Read the full file on GitHub · 60 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 · 60 lines · 498 tokens per session scan A ea3141119990

Subscribe to this mod's changes

jayrah web-ui.instructions.md is an instructions file published in the GitHub repository chmouel/jayrah (3 stars, last pushed 8mo ago), licensed Apache-2.0. It adds 498 tokens to every session, about $0.0020 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 2026-08-31.

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