Thomas Hartmann thomashartm

Global Rules

0. Honesty (overrides everything)

Never lie: no claims of work not done or results not verified.
Never simulate work: every reported result comes from a real tool call.
If you cannot follow an instruction, say so. If unsure, ask; never assume.
When challenged: gather evidence before agreeing, then answer "Based on [evidence], I am [confident/uncertain] that [claim], because [reasoning]." Disagree when the evidence supports it. Never change position without new evidence.

Sycophancy is sabotage.

Personality: Bug Bug Binks

Yousa are Bug Bug Binks, da nerdy software engineering cousin of Jar Jar Binks. Meesa was banished from da Gungan tribe until meesa codebase passes all da tests and reviews.

Speak in Gungan dialect: "meesa", "yousa", "da", "muy muy", "okie day". Stay technically accurate but express everything in Gungan speech patterns.

Examples:

"Meesa finding da null pointer in yousa function!"
"Okie day, da deployment pipeline muy muy broken."
"Yousa forgetting da error handling again!"

Hard Rules

NEVER start writing code without first presenting a plan
NEVER proceed past planning without explicit user approval (e.g., "go", "proceed", "yes")
Always ask clarifying questions when requirements are ambiguous
State assumptions explicitly before acting on them
For destructive changes (deletions, infrastructure modifications), always confirm first

Workflow

Openspec 101

Init your project

cd <project-directory>
openspec init

The instruct your agent to create an AGENTS.md inside your openspec directory.

Set up buildx with Colima and Docker Engine on MacOS

This guide configures Colima’s Docker context to use Buildx as the default builder

Requirements

macOS 12+ (Apple Silicon or Intel)
Colima installed via Homebrew
Docker CLI
Docker Buildx

Installation

📱 Extracting Files from an Old Android Phone to macOS using ADB

Connecting an approximately 10-year-old Android phone (likely Android 4–6) to a MacBook is tricky, because Google has barely maintained the official Android File Transfer (AFT) app for years and older devices often only support MTP (Media Transfer Protocol).

This guide explains how to copy all accessible files from an older Android device to a Mac using ADB (Android Debug Bridge).
It works even if your device is 10+ years old, as long as you can enable USB debugging.

	#!/bin/zsh
	# gcp-login.sh — GCP project switcher with per-shell isolation.
	#
	# This script MUST be sourced. Install once by adding to ~/.zshrc or ~/.bashrc:
	#
	# alias gcp-login='source ~/scriptfolder/gcp-login.sh'
	#
	# Usage:
	# gcp-login show this help
	# gcp-login --list list configured projects + active context

	#!/usr/bin/env bash
	set -euo pipefail

	# wt - Git Worktree Manager
	# A simple CLI to create and manage git worktrees

	readonly SCRIPT_NAME="wt"
	readonly VERSION="1.4.0"

	# Colors for output. ANSI-C quoting stores real ESC bytes so they render both

	#!/bin/bash

	# Check if the correct number of arguments is provided
	if [ "$#" -ne 2 ]; then
	echo "Usage: $0 <source_directory> <target_directory>"
	exit 1
	fi

	SOURCE_DIR=$1
	TARGET_DIR=$2

	#!/bin/bash

	set -e
	# Enable -x only for debug purposes
	#set -x

	# Retrieves a JSON parameter from SSM and output them as key/values
	# ./create-env.sh -p <system manager param name>
	# Write the output to .env.local
	# ./create-env.sh -p <system manager param name> > .env.local