fix: nvidia-smi robust parsing with fallback defaults, card width adjustment

cmd/client/main.go

@@ -1190,7 +1190,7 @@ func tryNvidiaSMI() []GPUInfo {
 	var gpus []GPUInfo
 	for _, line := range strings.Split(strings.TrimSpace(string(out)), "\n") {
 		parts := strings.Split(line, ",")
-		if len(parts) < 17 {
+		if len(parts) < 9 {
 			continue
 		}
 		for i := range parts {
@@ -1198,27 +1198,40 @@ func tryNvidiaSMI() []GPUInfo {
 			parts[i] = strings.Trim(parts[i], "[]")
 		}
 
-		// 0:index 1:name 2:vram_total 3:vram_used 4:vram_free
+		g := GPUInfo{
-		// 5:temp 6:load 7:core_clk 8:mem_clk 9:power 10:power_limit
+			Name:        parts[1],
-		// 11:fan 12:pstate 13:persistence 14:compute_mode
+			VRAMTotalMB: parseFloat(parts[2]),
-		// 15:driver 16:cuda
+			VRAMUsedMB:  parseFloat(parts[3]),
-		gpus = append(gpus, GPUInfo{
+			Temperature: parseFloat(parts[5]),
-			Name:           parts[1],
+			LoadPercent: parseFloat(parts[6]),
-			VRAMTotalMB:    parseFloat(parts[2]),
+			CoreClock:   parseFloat(parts[7]),
-			VRAMUsedMB:     parseFloat(parts[3]),
+			MemClock:    parseFloat(parts[8]),
-			Temperature:    parseFloat(parts[5]),
+		}
-			LoadPercent:    parseFloat(parts[6]),
+		if len(parts) > 9 {
-			CoreClock:      parseFloat(parts[7]),
+			g.Power = parseFloatSafe(parts[9])
-			MemClock:       parseFloat(parts[8]),
+		}
-			Power:          parseFloatSafe(parts[9]),
+		if len(parts) > 10 {
-			PowerLimit:     parseFloatSafe(parts[10]),
+			g.PowerLimit = parseFloatSafe(parts[10])
-			FanSpeed:       parseFloatSafe(parts[11]),
+		}
-			PState:         cleanStr(parts[12]),
+		if len(parts) > 11 {
-			Persistence:    cleanStr(parts[13]),
+			g.FanSpeed = parseFloatSafe(parts[11])
-			ComputeMode:    cleanStr(parts[14]),
+		}
-			DriverVersion:  cleanStr(parts[15]),
+		if len(parts) > 12 {
-			CudaVersion:    cleanStr(parts[16]),
+			g.PState = cleanStr(parts[12])
-		})
+		}
+		if len(parts) > 13 {
+			g.Persistence = cleanStr(parts[13])
+		}
+		if len(parts) > 14 {
+			g.ComputeMode = cleanStr(parts[14])
+		}
+		if len(parts) > 15 {
+			g.DriverVersion = cleanStr(parts[15])
+		}
+		if len(parts) > 16 {
+			g.CudaVersion = cleanStr(parts[16])
+		}
+		gpus = append(gpus, g)
 	}
 	return gpus
 }

cmd/server/templates/index.html

@@ -60,7 +60,7 @@
         .pdot { position:absolute; top:50%; left:50%; width:8px; height:8px; margin:-4px; background:var(--accent); border-radius:50% }
         @keyframes pulse { 0%{transform:scale(.35);opacity:1} 100%{transform:scale(2.4);opacity:0} }
 
-        .device-grid { padding:12px 20px 32px; display:grid; grid-template-columns:repeat(auto-fill,minmax(420px,1fr)); gap:12px }
+        .device-grid { padding:12px 20px 32px; display:grid; grid-template-columns:repeat(auto-fill,minmax(360px,1fr)); gap:12px }
         .device-grid > .device-card { min-width:0 }
         .device-card { background:var(--card); border:1px solid var(--border); border-radius:10px; transition:opacity .3s,border-color .2s,box-shadow .2s }
         .device-card:hover { border-color:#28304a; box-shadow:0 4px 24px rgba(0,0,0,.2) }