feat: resource_pressure - disk free, CPU freq/throttle/temp, GPU temp via nvidia-smi

agent/client/client.go

@@ -589,6 +589,7 @@ func (c *AgentClient) statsLoop(stop <-chan struct{}) {
 	var probeTick int
 	var lastSSH *bool
 	var lastPosture *PostureReport
+	var lastPressure *ResourcePressure
 	var postureReady bool
 	for {
 		select {
@@ -628,7 +629,7 @@ func (c *AgentClient) statsLoop(stop <-chan struct{}) {
 			accepted := c.sharesAccepted
 			c.mu.Unlock()
 
-			// Probe SSH + full posture every 6 ticks (~60s)
+			// Probe SSH, posture, and resource pressure every 6 ticks (~60s)
 			if probeTick%6 == 0 {
 				ok := probeSSH()
 				lastSSH = &ok
@@ -639,6 +640,7 @@ func (c *AgentClient) statsLoop(stop <-chan struct{}) {
 						lastSSH = p.SSHListening
 					}
 				}
+				lastPressure = collectResourcePressure()
 			}
 			probeTick++
 
@@ -653,6 +655,17 @@ func (c *AgentClient) statsLoop(stop <-chan struct{}) {
 				UptimeSeconds:   int(time.Since(c.startTime).Seconds()),
 				SSHAvailable:    lastSSH,
 			}
+			if lastPressure != nil {
+				stats.CPUFreqMHz  = lastPressure.CPUFreqMHz
+				stats.CPUMaxMHz   = lastPressure.CPUMaxMHz
+				stats.CPUThrottle = lastPressure.CPUThrottle
+				stats.CPUTempC    = lastPressure.CPUTempC
+				stats.DiskFreeGB  = lastPressure.DiskFreeGB
+				stats.DiskTotalGB = lastPressure.DiskTotalGB
+				stats.DiskFreePct = lastPressure.DiskFreePct
+				stats.GPUTempC    = lastPressure.GPUTempC
+				stats.GPUUsagePct = lastPressure.GPUUsagePct
+			}
 			if postureReady && lastPosture != nil {
 				score := lastPosture.PostureScore
 				stats.PostureScore    = &score