I created a Make command that simply generates a template file for ADR, so I'm jotting it down.

Command

.PHONY:help
help: ## Print help.
	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z0-9_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)

define ADR_TEMPLATE
# TITLE
## Background

## Decision

## Status
Proposed

<!--
Proposed/Approved/Rejected...
-->

## Result

endef

export ADR_TEMPLATE

.PHONY: adr
adr: ## Create a new ADR. ex. make adr title=Title
	@if [ -z "$(title)" ]; then \
		echo "Title is not set. 'ex. make adr title=Title'"; \
		exit 1; \
	fi
	adr_number=$$(ls adr/ADR*-*.md 2>/dev/null | awk -F- '/ADR[0-9]+-/{match($$0, /[0-9]+/); print substr($$0, RSTART, RLENGTH)}' | sort -n | tail -n 1); \
	adr_name=ADR$$(($$adr_number + 1))-$(title); \
	echo "$$ADR_TEMPLATE" | sed -e "s/\TITLE/$$adr_name/g;" > adr/$$adr_name.md; \
	echo "New ADR created: adr/$$adr_name.md"

The file naming convention for ADR is ADR-Title, so this command generates the ADR template file with an appropriate file name by looking at the files in the adr directory.

If there is a file named ADR1-foo.md, it will increment the number to create ADR2-bar.md, and so on.

Others

If ADRs are managed under git, it may become difficult to grasp the status of each ADR, so some measures may be necessary.

It might be necessary to prepare a command to list by status, separate directories by status, or include the status in the file name.