chore: auto-commit (95 archivos)

- cmd/fn/doctor.go
- cmd/fn/main.go
- cpp/apps/primitives_gallery/playground/tables/CMakeLists.txt
- cpp/apps/primitives_gallery/playground/tables/data_table.cpp
- cpp/apps/primitives_gallery/playground/tables/data_table_logic.cpp
- cpp/apps/primitives_gallery/playground/tables/data_table_logic.h
- cpp/apps/primitives_gallery/playground/tables/self_test.cpp
- cpp/apps/primitives_gallery/playground/tables/tql.cpp
- cpp/apps/primitives_gallery/playground/tables/viz.cpp
- cpp/apps/primitives_gallery/playground/tables/viz.h
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

functions/infra/get_gpu_info.go

@@ -0,0 +1,60 @@
+package infra
+
+import (
+	"encoding/csv"
+	"errors"
+	"fmt"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+// GetGpuInfo queries NVIDIA GPUs via nvidia-smi and returns a slice of GpuInfo.
+// If nvidia-smi is not installed or no NVIDIA GPU is present, returns an empty
+// slice and a nil error (absence of NVIDIA hardware is not an error).
+func GetGpuInfo() ([]GpuInfo, error) {
+	out, err := exec.Command(
+		"nvidia-smi",
+		"--query-gpu=index,name,memory.total,memory.free,driver_version,cuda_version",
+		"--format=csv,noheader,nounits",
+	).Output()
+
+	if err != nil {
+		// nvidia-smi not installed or no NVIDIA device — not an error.
+		var exitErr *exec.ExitError
+		if errors.Is(err, exec.ErrNotFound) || errors.As(err, &exitErr) {
+			return []GpuInfo{}, nil
+		}
+		return nil, fmt.Errorf("gpu_info: nvidia-smi: %w", err)
+	}
+
+	r := csv.NewReader(strings.NewReader(strings.TrimSpace(string(out))))
+	r.TrimLeadingSpace = true
+
+	records, err := r.ReadAll()
+	if err != nil {
+		return nil, fmt.Errorf("gpu_info: parse csv: %w", err)
+	}
+
+	gpus := make([]GpuInfo, 0, len(records))
+	for _, rec := range records {
+		if len(rec) < 6 {
+			continue
+		}
+
+		idx, _ := strconv.Atoi(strings.TrimSpace(rec[0]))
+		totalMb, _ := strconv.Atoi(strings.TrimSpace(rec[2]))
+		freeMb, _ := strconv.Atoi(strings.TrimSpace(rec[3]))
+
+		gpus = append(gpus, GpuInfo{
+			Index:         idx,
+			Name:          strings.TrimSpace(rec[1]),
+			VramTotalMb:   totalMb,
+			VramFreeMb:    freeMb,
+			DriverVersion: strings.TrimSpace(rec[4]),
+			CudaVersion:   strings.TrimSpace(rec[5]),
+		})
+	}
+
+	return gpus, nil
+}