feat(sdk,plugins): API publique d'accès fichiers/workspace + analyse structure (#124,#129)

crates/backend/src/events.rs

@@ -401,6 +401,16 @@ pub enum DomainEventDto {
         /// Project id.
         project_id: String,
     },
+    /// A workspace file changed through the public plugin workspace API.
+    #[serde(rename_all = "camelCase")]
+    PluginWorkspaceFileChanged {
+        /// Project id.
+        project_id: String,
+        /// Relative workspace path.
+        path: String,
+        /// Public operation label.
+        operation: String,
+    },
     /// An issue-backed public ticket was created.
     #[serde(rename_all = "camelCase")]
     IssueCreated {
@@ -1058,6 +1068,15 @@ impl From<&DomainEvent> for DomainEventDto {
             DomainEvent::GitStateChanged { project_id } => Self::GitStateChanged {
                 project_id: project_id.to_string(),
             },
+            DomainEvent::PluginWorkspaceFileChanged {
+                project_id,
+                path,
+                operation,
+            } => Self::PluginWorkspaceFileChanged {
+                project_id: project_id.to_string(),
+                path: path.clone(),
+                operation: operation.clone(),
+            },
             DomainEvent::IssueCreated {
                 issue_id,
                 issue_ref,