fix: prepend session GUID to filename when calling backend analyze

When files are stored in /mnt/converter/in/{guid}/, the backend
needs the full relative path. The analyze endpoint now constructs
'{guid}/{filename}' before passing to the backend API.

clean.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+/mnt/converter tree
+rm -rf /mnt/converter/in/*
+rm -rf /mnt/converter/out/*
+rm -rf /mnt/converter/backend/__pycache__/
+systemctl restart vm-bench-backend.service
+systemctl status vm-bench-backend.service
+tree /mnt/converter/

frontend/app.py

@@ -428,14 +428,18 @@ async def session_analyze(
     vmid: int = Form(...),
     filename: str = Form(...),
     vm_name: str = Form(""),
+    session_id: str = Form(""),
 ):
     """Phase 2 — call the backend /analyze endpoint and render the result."""
     err = _validate_vmid(vmid)
     if err:
         return render("_analysis.html", request=request, error=err)
 
+    # Prepend session subdirectory to the filename for the backend
+    backend_filename = f"{session_id}/{filename}" if session_id else filename
+
     try:
-        analysis = api.analyze(vmid=vmid, filename=filename)
+        analysis = api.analyze(vmid=vmid, filename=backend_filename)
     except ApiError as exc:
         return render("_analysis.html", request=request,
                       error=f"Backend analysis failed: {exc.detail}")