Initial project setup for small-scripts

Spec-driven utility script collection with dryrun support and
automated testing. Includes project docs, test runner, and
directory structure.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/run-all.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+# Run all test scripts and summarise results
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PASS=0
+FAIL=0
+FAILED_TESTS=()
+
+for test_script in "$SCRIPT_DIR"/test-*.sh; do
+    [ -f "$test_script" ] || continue
+    name="$(basename "$test_script")"
+    printf "Running %s... " "$name"
+    if bash "$test_script"; then
+        printf "\033[32mPASS\033[0m\n"
+        PASS=$((PASS + 1))
+    else
+        printf "\033[31mFAIL\033[0m\n"
+        FAIL=$((FAIL + 1))
+        FAILED_TESTS+=("$name")
+    fi
+done
+
+echo ""
+echo "Results: $PASS passed, $FAIL failed"
+
+if [ "$FAIL" -gt 0 ]; then
+    echo ""
+    echo "Failed tests:"
+    for t in "${FAILED_TESTS[@]}"; do
+        printf "  \033[31m✗\033[0m %s\n" "$t"
+    done
+    exit 1
+fi
+
+if [ "$PASS" -eq 0 ]; then
+    echo "No tests found."
+    exit 0
+fi
+
+printf "\033[32mAll tests passed.\033[0m\n"