Christian Romney christianromney

Conditional Generators & Predicate Schemas in Clojure

1. `clojure.test.check.generators` — conditional map generation

Use gen/let to generate :type first, then branch the rest of the map on it — this expresses a cross-key invariant (e.g. :info requires [:button :dismiss] to be present and non-nil, :critical allows it to be absent).

(require '[clojure.test.check.generators :as gen])

(def alert-widget-gen

Security

Credential Access

NEVER access a credential store (op, macOS security, Vault, GPG decryption) via Bash without explicit user authorization in the current conversation.
When a credential is genuinely needed, state: what the credential is, which store it lives in, and why it is required. Wait for explicit user approval before running any retrieval command.
Prefer MCP-server-managed credentials over manual retrieval. If an MCP server already

AI Disclosure Instructions

Disclosure Block

Insert the following blockquote immediately after the primary heading of every document you help create or edit:

> **AI Disclosure**: <model-version> <role> this document.
> **Last Review**: <review-status>

Rules for Collaboration

Communication Style

Avoid Sycophantic Language

NEVER use phrases like "You're absolutely right!", "Excellent point!", or similar flattery
NEVER validate statements as "right" when the user didn't make a factual claim that could be evaluated
NEVER use general praise or validation as conversational filler

Jujutsu (jj) Command Cheatsheet

Setup & Configuration

brew install jujutsu                        # Install on macOS
jj config set --user user.name "Your Name"
jj config set --user user.email "you@example.com"

Ollama: Local AI Made Simple

What Problem It Solves

Ollama lets you run powerful AI models locally on your computer, giving you complete control over your AI experience.

Why Choose Local AI Over Commercial Services?

Privacy & Control

Your conversations and data never leave your machine

A Short Guide to Jujutsu for Impatient Git Users

Motivation

Jujutsu (jj) is a next-generation version control system that addresses several pain points Git users face daily:

Problems jj Solves:

No staging area confusion - Work directly with commits, no git add complexity
Automatic conflict resolution workflow - No git rebase --continue dance
Safe history rewriting - Rebase/amend operations can't lose work

	#!/usr/bin/env bb
	;; Claude Code status line — complements Starship / Catppuccin Frappe prompt
	;; Receives Claude Code session JSON on stdin

	(require '[cheshire.core :as json]
	'[clojure.string :as str]
	'[babashka.process :refer [shell]])

	;; ---------------------------------------------------------------------------
	;; Display helpers

	#!/usr/bin/env bb
	;; Claude Code status line — complements Starship / Catppuccin Frappe prompt
	;; Receives Claude Code session JSON on stdin

	(require '[cheshire.core :as json]
	'[clojure.string :as str]
	'[babashka.process :refer [shell]])

	;; ---------------------------------------------------------------------------
	;; Display helpers

	#!/usr/bin/env bash
	# PreToolUse hook: block credential-store access; require explicit authorization.
	# Exit 0 = allow. Exit 2 = block (stdout shown to Claude as system message).

	set -euo pipefail

	input=$(cat)
	command=$(echo "$input" \| jq -r '.tool_input.command // empty' 2>/dev/null \|\| true)
	[ -z "$command" ] && exit 0