feat: add GET /api/system/hardware endpoint for GPU info and package versions

studio/backend/main.py

@@ -117,6 +117,17 @@ async def get_system_info():
     }
 
 
+@app.get("/api/system/hardware")
+async def get_hardware_info():
+    """Return GPU name, total VRAM, and key ML package versions."""
+    from utils.hardware import get_gpu_summary, get_package_versions
+
+    return {
+        "gpu": get_gpu_summary(),
+        "versions": get_package_versions(),
+    }
+
+
 # ============ Serve Frontend (Optional) ============
 
 def setup_frontend(app: FastAPI, build_path: Path):

studio/backend/utils/hardware/__init__.py

@@ -10,6 +10,8 @@ from .hardware import (
     clear_gpu_cache,
     get_gpu_memory_info,
     log_gpu_memory,
+    get_gpu_summary,
+    get_package_versions,
 )
 
 __all__ = [
@@ -21,4 +23,6 @@ __all__ = [
     'clear_gpu_cache',
     'get_gpu_memory_info',
     'log_gpu_memory',
+    'get_gpu_summary',
+    'get_package_versions',
 ]

studio/backend/utils/hardware/hardware.py

@@ -206,3 +206,53 @@ def log_gpu_memory(context: str):
         )
     else:
         logger.info(f"GPU Memory [{context}]: No GPU available (CPU-only)")
+
+
+# ========== GPU Summary & Package Versions ==========
+
+def get_gpu_summary() -> Dict[str, Any]:
+    """
+    Return a compact summary of the primary GPU.
+
+    Returns dict with keys:
+        gpu_name      – e.g. "NVIDIA L4" (or None)
+        vram_total_gb – e.g. 22.17       (or None)
+    """
+    mem = get_gpu_memory_info()
+    if mem.get("available"):
+        return {
+            "gpu_name": mem.get("device_name"),
+            "vram_total_gb": round(mem.get("total_gb", 0), 2),
+        }
+    return {"gpu_name": None, "vram_total_gb": None}
+
+
+def get_package_versions() -> Dict[str, Optional[str]]:
+    """
+    Return the installed versions of key ML packages.
+
+    Uses importlib.metadata (stdlib) so no subprocess is needed.
+    CUDA version comes from torch.version.cuda.
+
+    Returns dict with keys: unsloth, torch, transformers, cuda.
+    Missing packages yield None.
+    """
+    from importlib.metadata import version as pkg_version, PackageNotFoundError
+
+    packages = ("unsloth", "torch", "transformers")
+    versions: Dict[str, Optional[str]] = {}
+
+    for name in packages:
+        try:
+            versions[name] = pkg_version(name)
+        except PackageNotFoundError:
+            versions[name] = None
+
+    # CUDA toolkit version bundled with torch
+    try:
+        import torch
+        versions["cuda"] = getattr(torch.version, "cuda", None)
+    except Exception:
+        versions["cuda"] = None
+
+    return versions