add make command to scaffold test data

Makefile

@@ -1,7 +1,8 @@
-.PHONY: build test run clean
+.PHONY: build test run clean scaffold
 
 BINARY_NAME=mend
 BUILD_DIR=bin
+DATA_DIR=test_data
 
 build:
 	@mkdir -p $(BUILD_DIR)
@@ -10,8 +11,14 @@ build:
 test:
 	go test ./...
 
-run:
-	go run .
+scaffold:
+	./scripts/scaffold_data.sh
+
+run: scaffold
+	go run . $(DATA_DIR)
 
 clean:
 	rm -rf $(BUILD_DIR)
+
+clean-data:
+	rm -rf $(DATA_DIR)

README.md

@@ -6,5 +6,7 @@ The project includes a `Makefile` for common tasks:
 
 - **Build**: `make build` (creates binary in `bin/mend`)
 - **Test**: `make test`
-- **Run**: `make run`
-- **Clean**: `make clean`
+- **Run**: `make run` (automatically scaffolds `test_data` directory and runs app against it)
+- **Scaffold**: `make scaffold` (generates sample data in `test_data`)
+- **Clean**: `make clean` (removes binary)
+- **Clean Data**: `make clean-data` (removes `test_data` directory)

scripts/scaffold_data.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+# Directory
+DATA_DIR="test_data"
+
+if [ -d "$DATA_DIR" ]; then
+    echo "Test data directory '$DATA_DIR' already exists."
+    exit 0
+fi
+
+echo "Scaffolding test data in '$DATA_DIR'..."
+mkdir -p "$DATA_DIR/personal"
+mkdir -p "$DATA_DIR/work/project_alpha"
+mkdir -p "$DATA_DIR/archive"
+
+# Welcome Note
+cat > "$DATA_DIR/welcome.md" <<EOF
+# Welcome to Mend
+
+This is a scaffolded test environment.
+
+## Features
+- **File Tree**: Navigate using arrow keys.
+- **Notes**: View rendered Markdown.
+- **Hints**: Toggle hints with Space.
+
+Try hinting: **Space out**
+EOF
+
+# Personal Note
+cat > "$DATA_DIR/personal/todo.md" <<EOF
+# Personal Todos
+
+- [ ] Buy groceries
+- [ ] Call mom
+- [ ] Fix the **sink**
+EOF
+
+# Work Note
+cat > "$DATA_DIR/work/project_alpha/specs.md" <<EOF
+# Project Alpha Specs
+
+## Overview
+This is a **top secret** project.
+
+## Requirements
+1. Fast
+2. Reliable
+3. __Secure__
+EOF
+
+# Archive Note
+cat > "$DATA_DIR/archive/old_ideas.md" <<EOF
+# Old Ideas
+
+Just some random thoughts from the past.
+EOF
+
+echo "Done."

test_data/archive/old_ideas.md

@@ -0,0 +1,3 @@
+# Old Ideas
+
+Just some random thoughts from the past.

test_data/personal/todo.md

@@ -0,0 +1,5 @@
+# Personal Todos
+
+- [ ] Buy groceries
+- [ ] Call mom
+- [ ] Fix the **sink**

test_data/welcome.md

@@ -0,0 +1,10 @@
+# Welcome to Mend
+
+This is a scaffolded test environment.
+
+## Features
+- **File Tree**: Navigate using arrow keys.
+- **Notes**: View rendered Markdown.
+- **Hints**: Toggle hints with Space.
+
+Try hinting: **Space out**

test_data/work/project_alpha/specs.md

@@ -0,0 +1,9 @@
+# Project Alpha Specs
+
+## Overview
+This is a **top secret** project.
+
+## Requirements
+1. Fast
+2. Reliable
+3. __Secure__