Add HTML5 setup SSE updates

services/api-server/src/api_server/main.py

@@ -2021,6 +2021,24 @@ async def html5_project_setup_summary(project_id: str) -> Response:
     )
 
 
+@app.get("/html5/projects/{project_id}/setup/events")
+async def html5_project_setup_events(project_id: str, once: bool = False) -> StreamingResponse:
+    async def stream_setup():
+        while True:
+            setup = _project_setup_response(project_id)
+            yield _html5_sse_event("setup-summary", render_html5_setup_summary(project_id, setup))
+            yield _html5_sse_event("setup-import-job", render_html5_import_job(project_id, _html5_latest_import_job(project_id)))
+            if once:
+                break
+            await asyncio.sleep(2)
+
+    return StreamingResponse(
+        stream_setup(),
+        media_type="text/event-stream",
+        headers={"Cache-Control": "no-cache", "X-Accel-Buffering": "no"},
+    )
+
+
 @app.post("/html5/projects/{project_id}/setup/source")
 async def html5_project_setup_source(project_id: str, request: Request) -> Response:
     form = await _html5_form_data(request)
@@ -8392,6 +8410,19 @@ def _html5_operation_jobs() -> list[OperationJob]:
     return sorted(_operations.jobs.values(), key=lambda job: job.updated_at, reverse=True)[:50]
 
 
+def _html5_latest_import_job(project_id: str) -> OperationJob | None:
+    jobs = [
+        job
+        for job in _operations.jobs.values()
+        if job.payload.get("project_id") == project_id and _operation_value(getattr(job, "kind", "")) == "SERVER_IMPORT"
+    ]
+    return max(jobs, key=lambda job: job.updated_at) if jobs else None
+
+
+def _operation_value(value: object) -> str:
+    return str(getattr(value, "value", value))
+
+
 def _html5_sse_event(event: str, fragment: str) -> str:
     data = "\n".join(f"data: {line}" for line in fragment.splitlines())
     return f"event: {event}\n{data}\n\n"