initial backend: Dokumente, Historie, API und Persistenz (D76)

- Liquibase-Schema (`document`, `document_history`) + Rollback-scripts
- Spring Boot with JPA-repositories, entities and services
- REST-API (`/documents`, `/documents/{id}`, `/documents/{id}/history`)
- OpenAPI-specifikation for CRUD-Operationen and history
- config files (`application.yaml`, `Liquibase`, H2 im PostgreSQL-Modus)
- preps for future live-editing/delta-updates
- Exceptions for conflikt- and not-found cases (409/404)
- keeping document hostory even after `delete` for RESTORE functionality

This commit is contained in:

mhoennig

2026-08-26 12:56:27 +02:00

parent 4e0ce51820

commit 0446e3d81e

31 changed files with 2060 additions and 7 deletions

									
										backend/gradle.properties
									
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				org.gradle.caching=true

				org.gradle.parallel=true

				kotlin.code.style=official