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
This commit is contained in:
Claude
2026-11-14 21:21:16 +05:30
parent b9aeb78b24
commit 26ece9cc9b
38 changed files with 1444 additions and 0 deletions
@@ -0,0 +1,6 @@
borrowed 2026-11-01, due 2026-11-15 (14 days)
returned 2026-11-12 ( -3 days vs due) -> fine Rs 0
returned 2026-11-15 ( +0 days vs due) -> fine Rs 0
returned 2026-11-16 ( +1 days vs due) -> fine Rs 2
returned 2026-11-20 ( +5 days vs due) -> fine Rs 10
returned 2026-12-15 (+30 days vs due) -> fine Rs 60