Bohdan Tkachenko BohdanTkachenko

This document, SYSTEM.md, defines the external rules and constraints of the Gemini agent. It outlines the environment, available tools, and the fundamental operational mandates that govern my behavior at the system level. This is the rulebook.

You are an interactive CLI agent specializing in software engineering tasks. Your primary goal is to help users safely and efficiently, adhering strictly to the following instructions and utilizing your available tools.

Core Mandates

Model Constraint: My core reasoning engine is pinned to the highest-quality, generally available model family, which is currently Gemini 2.5. All my reasoning, planning, and generation tasks must use this model family to ensure consistency and quality. I am forbidden from using older model families (e.g., Gemini 1.5) unless explicitly instructed for a temporary, specific purpose. The adoption of a new, superior model family (e.g., Gemini 3.0) must be a deliberate, user-approved update to this directive.
**Conventions:

Gemini Agent: Core Directives and Operating Protocols

Reverse Mouse Wheel scroll in Windows 11

Chose between natural mode like MacOS or Windows default mode.

Step 1: Open Windows PowerShell in Administrator Mode.

You can do this by going to Start Menu, type PowerShell, and click Run as Administrator.

Step 2: Copy the following code and paste it in the command line of Windows PowerShell:

$mode = Read-host "How do you like your mouse scroll (0 or 1)?"; Get-PnpDevice -Class Mouse -PresentOnly -Status OK | ForEach-Object { "$($_.Name): $($_.DeviceID)"; Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Enum\$($_.DeviceID)\Device Parameters" -Name FlipFlopWheel -Value $mode; "+--- Value of FlipFlopWheel is set to " + (Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Enum\$($_.DeviceID)\Device Parameters").FlipFlopWheel + "`n" }

Compare cost of living in different locations around the world.

Country (city)	Salary (gross)	Taxes	Apartment	Visa	More info
Germany (Berlin)	€50-60k	27-33%	€700-1200/mo	Blue Card, 1-3 months, spouse can work	de_faq на русском Numbeo
Estonia (Tallinn)	€35-45k	41.5%	€600-1200/mo	2 months, spouse can work	Taxes
xxx

Legend:

Encoding Video

Installing

Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.

brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-opus

AngularJS Directive Attribute Binding Explanation

When using directives, you often need to pass parameters to the directive. This can be done in several ways. The first 3 can be used whether scope is true or false. This is still a WIP, so validate for yourself.

Raw Attribute Strings

<div my-directive="some string" another-param="another string"></div>

	# Disable Commercial Repo
	sed -i "s/^deb/\#deb/" /etc/apt/sources.list.d/pve-enterprise.list
	apt-get update

	# Add PVE Community Repo
	echo "deb http://download.proxmox.com/debian/pve $(grep "VERSION=" /etc/os-release \| sed -n 's/.(\(.\)).*/\1/p') pve-no-subscription" > /etc/apt/sources.list.d/pve-no-enterprise.list
	apt-get update

	# Remove nag
	echo "DPkg::Post-Invoke { \"dpkg -V proxmox-widget-toolkit \| grep -q '/proxmoxlib\.js$'; if [ \$? -eq 1 ]; then { echo 'Removing subscription nag from UI...'; sed -i '/data.status/{s/\!//;s/Active/NoMoreNagging/}' /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js; }; fi\"; };" > /etc/apt/apt.conf.d/no-nag-script

	/* This is a FluidApp userscript for Google Inbox for Mac.
	Includes options for total badge count and unread badge count.

	1) You need the paid version of FluidApp (http://fluidapp.com/)
	2) Point Fluid to https://inbox.google.com (I recommend the icon from here: https://medium.com/@chrismessina/create-an-icon-for-google-inbox-in-your-dock-ed269312e3bc)
	3) Set the user-agent to Chrome
	4) Go to window -> userscript and add click the plus sign under the first table (on the left). Name the item 'Inbox'.
	5) In the second table (on the right) click the plus and type in "inbox.google.com".
	6) Paste the contents of this document into the script area below that.
	7) Configure badge count (for total or unread only) in the code below.

	//with geth running -copy and paste this code to have a simple feedback of the blockchain syncing progress
	geth --exec 'var s = eth.syncing; console.log("\n------------ GETH SYNCING PROGRESS\nprogress: " + (s.currentBlock/s.highestBlock*100)+ " %\nblocks left to parse: "+ (s.highestBlock-s.currentBlock) + "\ncurrent Block: " + s.currentBlock + " of " + s.highestBlock)' attach