Add library-management module: console app evolved into a Spring Boot 4 REST API

Stage 2 console classes and the shared LoanPolicy, then a Spring Boot 4.1.2 + JPA API (H2, @Version optimistic locking, problem+json errors). Tests write output/ transcripts while asserting the same numbers; scripts regenerate everything. Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b4DPL6dtpFg4U4LHc2
2026-11-14 21:21:16 +05:30
parent b9aeb78b24
commit 26ece9cc9b
38 changed files with 1444 additions and 0 deletions
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# Starts the REST API on :8080 (in-memory H2, so every start is a clean library).
+# Usage: scripts/run.sh            foreground
+#        scripts/run.sh --detach   background, waits until /api/books answers
+set -euo pipefail
+cd "$(dirname "$0")/.."
+mvn -B -q -DskipTests package
+if [ "${1:-}" = "--detach" ]; then
+  setsid nohup java -jar target/library-management-1.0.0.jar > /tmp/library-api.log 2>&1 < /dev/null &
+  for _ in $(seq 1 60); do curl -s -o /dev/null localhost:8080/api/books && exit 0; sleep 1; done
+  echo "API did not start; see /tmp/library-api.log" >&2; exit 1
+fi
+exec java -jar target/library-management-1.0.0.jar