Close DV-01–04,07,09,13,14: unify operator-deck UX in server/web.

Standardize neon cyan on #00e8f5, wire SacredPageHeader across Builds/Path Tracer/LOTL, dedupe Pages.css, align Path Tracer chrome, drop dead wealth-deck CSS, add prefers-color-scheme shell + HelpTip, sidebar version from package.json build inject, and Vitest CSS regression guards.

agent/miner/container_launcher.go

@@ -2,6 +2,7 @@ package miner
 
 import (
 	"bytes"
+	"encoding/json"
 	"fmt"
 	"log"
 	"os"
@@ -15,6 +16,17 @@ import (
 
 const defaultMinerImage = "aetherforge/agent-worker:latest"
 
+// ContainerStatsPath is where the worker writes hashrate for host relay (docker exec cat).
+const ContainerStatsPath = "/tmp/miner-stats.json"
+
+// WorkerImageBuildHint is shown in Forge when container/auto execution is selected.
+const WorkerImageBuildHint = "Build worker image: docker build -f docker/Dockerfile.agent -t aetherforge/agent-worker:latest . (override with AETHERFORGE_MINER_IMAGE on host)"
+
+// DefaultWorkerImage returns the OCI reference used when AETHERFORGE_MINER_IMAGE is unset.
+func DefaultWorkerImage() string {
+	return defaultMinerImage
+}
+
 // containerExecCommand is exec.Command; tests override via SetContainerExecCommand.
 var containerExecCommand = exec.Command
 
@@ -170,6 +182,39 @@ func (l *ContainerLauncher) Running() bool {
 	return l.running
 }
 
+// ProbeHashrate reads container-side hashrate from ContainerStatsPath via docker/podman exec.
+func (l *ContainerLauncher) ProbeHashrate() float64 {
+	l.mu.Lock()
+	if !l.running || l.runtime.CLI == "" {
+		l.mu.Unlock()
+		return 0
+	}
+	name := l.name
+	cli := l.runtime.CLI
+	l.mu.Unlock()
+
+	cmd := containerExecCommand(cli, "exec", name, "cat", ContainerStatsPath)
+	out, err := cmd.Output()
+	if err != nil {
+		return 0
+	}
+	return ParseContainerStatsJSON(out)
+}
+
+// ParseContainerStatsJSON extracts hashrate_hps from worker stats JSON (tests + exec probe).
+func ParseContainerStatsJSON(data []byte) float64 {
+	var snap struct {
+		HashrateHPS float64 `json:"hashrate_hps"`
+	}
+	if err := json.Unmarshal(bytes.TrimSpace(data), &snap); err != nil {
+		return 0
+	}
+	if snap.HashrateHPS < 0 {
+		return 0
+	}
+	return snap.HashrateHPS
+}
+
 func (l *ContainerLauncher) loadImageFromTar() (string, error) {
 	cmd := containerExecCommand(l.runtime.CLI, "load", "-i", l.tarPath)
 	var buf bytes.Buffer
@@ -234,6 +279,7 @@ func (l *ContainerLauncher) containerEnv() []string {
 		"AETHERFORGE_MINER_EXECUTION": ExecutionInProcess,
 		"AETHERFORGE_FLEET_SECRET":  l.cfg.FleetSecret,
 		"MINER_LOG_FILE":            "/tmp/miner.log",
+		"MINER_STATS_FILE":          ContainerStatsPath,
 	}
 	if l.cfg.RVNWallet != "" {
 		pairs["AETHERFORGE_RVN_WALLET"] = l.cfg.RVNWallet