feat: DTOs KYC/messagerie/mutuelle/parts/versement/payment + enrichissement paiement

## Nouveaux packages DTO / enums
- dto/kyc/ : NiveauRisqueKyc, TypePieceIdentite, KycDossier DTOs
- dto/messagerie/ : conversation/message DTOs + enums (TypeConversation, etc.)
- dto/mutuelle/financier/ : ParametresFinanciersMutuelle DTOs
- dto/mutuelle/parts/ : ComptePartsSociales, TransactionPartsSociales DTOs
- dto/versement/ : Versement DTOs
- payment/ : PaymentProvider, PaymentStatus, PaymentException,
  CheckoutRequest, CheckoutSession, PaymentEvent (SPI paiement unifié)

## Paiement enrichi
- CreatePaiementRequest, DeclarerPaiementManuelRequest, InitierPaiementEnLigneRequest
- IntentionStatutResponse, PaiementGatewayResponse, PaiementResponse, PaiementSummaryResponse
- Tests correspondants mis à jour

## Tests nouveaux
- DTOs agricole, ayant-droit, backup tests
- Tous les nouveaux DTOs KYC/messagerie/mutuelle/versement/payment

## Build
- pom.xml : version 1.0.5, parent-pom.xml aligné
- script/publish-api.sh : version bumped

164 fichiers, +8 481 insertions.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

parent-pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>dev.lions.unionflow</groupId>
     <artifactId>unionflow-parent</artifactId>
-    <version>1.0.4</version>
+    <version>1.0.5</version>
     <packaging>pom</packaging>
 
     <name>UnionFlow - Parent</name>
@@ -33,12 +33,11 @@
     </repositories>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.release>21</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <quarkus.platform.version>3.15.1</quarkus.platform.version>
-        <lombok.version>1.18.34</lombok.version>
+        <quarkus.platform.version>3.20.0</quarkus.platform.version>
+        <lombok.version>1.18.36</lombok.version>
     </properties>
 
     <dependencyManagement>
@@ -72,8 +71,7 @@
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>3.13.0</version>
                     <configuration>
-                        <source>17</source>
-                        <target>17</target>
+                        <release>21</release>
                         <encoding>UTF-8</encoding>
                         <parameters>true</parameters>
                         <annotationProcessorPaths>