feat(backend): modèle unifié streaming/progress/events provider-agnostic + pont app-tauri — foundation #156 (QA verte)

crates/app-tauri/tests/dto_chat.rs

@@ -8,7 +8,8 @@
 
 use app_tauri_lib::dto::{
     CellKind, ChatAttachmentDto, ChatAttachmentInputDto, ImportChatAttachmentsRequestDto,
-    ImportChatAttachmentsResponseDto, ReattachChatDto, ReplyChunk, TerminalSessionDto,
+    ImportChatAttachmentsResponseDto, ReattachChatDto, ReplyChunk, ReplyProgressDto,
+    ReplyProgressKindDto, ReplyProgressSourceDto, ReplyProgressStageDto, TerminalSessionDto,
 };
 use application::{LaunchAgentOutput, StructuredSessionDescriptor};
 use domain::project::ProjectPath;
@@ -48,6 +49,37 @@ fn reply_chunk_tool_activity_serialises_exact_camel_case() {
     assert_eq!(v, json!({ "kind": "toolActivity", "label": "reads file" }));
 }
 
+#[test]
+fn reply_chunk_progress_serialises_exact_camel_case() {
+    let v = serde_json::to_value(ReplyChunk::Progress {
+        progress: ReplyProgressDto {
+            source: ReplyProgressSourceDto::IdeaLocal,
+            kind: ReplyProgressKindDto::Mcp,
+            stage: ReplyProgressStageDto::Started,
+            label: "idea_ask_agent".into(),
+            text: Some("vers QA".into()),
+            provider: None,
+            native_event: None,
+            tool_name: Some("idea_ask_agent".into()),
+        },
+    })
+    .unwrap();
+    assert_eq!(
+        v,
+        json!({
+            "kind": "progress",
+            "progress": {
+                "source": "ideaLocal",
+                "kind": "mcp",
+                "stage": "started",
+                "label": "idea_ask_agent",
+                "text": "vers QA",
+                "toolName": "idea_ask_agent"
+            }
+        })
+    );
+}
+
 #[test]
 fn reply_chunk_final_serialises_exact_camel_case() {
     let v = serde_json::to_value(ReplyChunk::Final {
@@ -77,6 +109,18 @@ fn reply_chunk_round_trips_through_json_for_every_variant() {
         ReplyChunk::ToolActivity {
             label: "runs".into(),
         },
+        ReplyChunk::Progress {
+            progress: ReplyProgressDto {
+                source: ReplyProgressSourceDto::ProviderNative,
+                kind: ReplyProgressKindDto::Turn,
+                stage: ReplyProgressStageDto::Started,
+                label: "tour démarré".into(),
+                text: None,
+                provider: Some("codex".into()),
+                native_event: Some("turn.started".into()),
+                tool_name: None,
+            },
+        },
         ReplyChunk::Final {
             content: "y".into(),
         },