fix: resilient file lookup — walk directory if exact path not found; use resume_file for sessions

backend/app.py

@@ -145,12 +145,18 @@ def list_sessions():
                 continue
             archives = {".7z", ".zip", ".rar", ".tar.gz", ".tgz", ".tar", ".gz", ".bz2", ".xz", ".ova"}
             has_source = has_disks or any(f["name"].lower().endswith(tuple(archives)) for f in session_files)
+            resume_file = session_files[0]["name"]
+            for f in session_files:
+                if f["name"].lower().endswith(tuple(archives)) or f["name"].lower().endswith((".vmdk", ".qcow2", ".vdi")):
+                    resume_file = f["name"]
+                    break
             sessions.append({
                 "session_id": entry.name,
                 "files": session_files[:10],
                 "total_size_gb": round(total_bytes / (1024**3), 1),
                 "has_disks": has_disks,
                 "resumable": has_source,
+                "resume_file": resume_file,
             })
     except Exception:
         pass

backend/converter.py

@@ -52,6 +52,17 @@ def extract_if_needed(filename: str) -> Path:
     if not filepath.is_absolute():
         filepath = STAGING_ROOT / filename
     if not filepath.exists():
+        # Try finding by name — walk the parent directory
+        parent = filepath.parent
+        fname = filepath.name
+        if parent.exists() and parent.is_dir():
+            found = list(parent.rglob(fname))
+            if found:
+                filepath = found[0]
+                logger.info("Found by name: %s", filepath)
+            else:
+                raise FileNotFoundError(f"Source not found: {filepath}")
+        else:
             raise FileNotFoundError(f"Source not found: {filepath}")
 
     # Detect archive type

frontend/templates/index.html

@@ -91,13 +91,13 @@ async function loadSessions() {
     for (var i = 0; i < sessions.length; i++) {
       var s = sessions[i];
       var fileNames = s.files.map(function(f) { return f.name; }).join(', ');
-      var firstFile = s.files[0].name;
+      var resumeFile = s.resume_file || s.files[0].name;
       html += '<div style="display:flex;align-items:center;justify-content:space-between;padding:0.4rem 0;border-bottom:1px solid var(--pve-border);">';
       html += '<div><span class="pve-code">' + s.session_id.substring(0, 8) + '</span> &mdash; ' + fileNames + ' <span class="pve-dim">(' + s.total_size_gb + ' GiB)</span>';
       if (s.has_disks) html += ' <span class="pve-badge pve-badge-completed" style="font-size:0.65rem;">extracted</span>';
       html += '</div>';
       if (s.resumable) {
-        html += '<button class="pve-btn pve-btn-primary pve-btn-small" onclick="resumeSession(\'' + s.session_id + '\', \'' + firstFile.replace(/'/g, "\\'") + '\')">Resume</button>';
+        html += '<button class="pve-btn pve-btn-primary pve-btn-small" onclick="resumeSession(\'' + s.session_id + '\', \'' + resumeFile.replace(/'/g, "\\'") + '\')">Resume</button>';
       }
       html += '<button class="pve-btn pve-btn-small" onclick="cleanupSession(\'' + s.session_id + '\', this)" style="margin-left:0.3rem;color:var(--pve-red);border-color:var(--pve-red);">Clear</button>';
       html += '</div>';