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_test.go

@@ -124,6 +124,7 @@ func TestContainerLauncherStartWithFakeRuntime(t *testing.T) {
 		"AETHERFORGE_MINER_EXECUTION":   ExecutionInProcess,
 		"AETHERFORGE_FLEET_SECRET":      "fleet-secret",
 		"MINER_LOG_FILE":                  "/tmp/miner.log",
+		"MINER_STATS_FILE":                ContainerStatsPath,
 	}
 	for k, want := range wantEnv {
 		if got := env[k]; got != want {
@@ -292,6 +293,106 @@ func TestContainerLauncherStopInvokesRm(t *testing.T) {
 	}
 }
 
+func TestDefaultWorkerImageAndBuildHint(t *testing.T) {
+	if DefaultWorkerImage() != "aetherforge/agent-worker:latest" {
+		t.Fatalf("DefaultWorkerImage()=%q", DefaultWorkerImage())
+	}
+	if WorkerImageBuildHint == "" || !strings.Contains(WorkerImageBuildHint, "Dockerfile.agent") {
+		t.Fatalf("WorkerImageBuildHint=%q", WorkerImageBuildHint)
+	}
+}
+
+func TestParseContainerStatsJSON(t *testing.T) {
+	if got := ParseContainerStatsJSON([]byte(`{"hashrate_hps":1234.5}`)); got != 1234.5 {
+		t.Fatalf("got %v", got)
+	}
+	if ParseContainerStatsJSON([]byte(`invalid`)) != 0 {
+		t.Fatal("invalid json should return 0")
+	}
+	if ParseContainerStatsJSON([]byte(`{"hashrate_hps":-1}`)) != 0 {
+		t.Fatal("negative hashrate should return 0")
+	}
+}
+
+func TestContainerLauncherProbeHashrate(t *testing.T) {
+	SetContainerExecCommand(func(name string, args ...string) *exec.Cmd {
+		if len(args) >= 4 && args[0] == "exec" && args[2] == "cat" {
+			if runtime.GOOS == "windows" {
+				return exec.Command("powershell", "-NoProfile", "-Command", `Write-Output '{"hashrate_hps":987.6}'`)
+			}
+			return exec.Command("sh", "-c", "printf '%s' '{\"hashrate_hps\":987.6}'")
+		}
+		if len(args) > 0 && args[0] == "rm" {
+			return quickExitTestCmd()
+		}
+		return longRunningTestCmd()
+	})
+	defer SetContainerExecCommand(nil)
+
+	cfg := config.RuntimeConfig{BuiltinConfig: config.BuiltinConfig{BuildID: "probe-test"}}
+	rt := ContainerRuntimeInfo{Available: true, CLI: "docker"}
+	launcher, err := NewContainerLauncher(cfg, rt)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := launcher.Start(); err != nil {
+		t.Fatal(err)
+	}
+	defer launcher.Stop()
+
+	if got := launcher.ProbeHashrate(); got != 987.6 {
+		t.Fatalf("ProbeHashrate()=%v want 987.6", got)
+	}
+}
+
+func TestContainerLauncherDefaultImageWithoutEnvOverride(t *testing.T) {
+	t.Setenv("AETHERFORGE_MINER_IMAGE", "")
+	cfg := config.RuntimeConfig{BuiltinConfig: config.BuiltinConfig{BuildID: "default-img"}}
+	rt := ContainerRuntimeInfo{Available: true, CLI: "docker"}
+	launcher, err := NewContainerLauncher(cfg, rt)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if launcher.Image() != DefaultWorkerImage() {
+		t.Fatalf("Image()=%q want %q", launcher.Image(), DefaultWorkerImage())
+	}
+}
+
+func TestContainerLauncherStatsFileEnv(t *testing.T) {
+	var gotArgs []string
+	SetContainerExecCommand(func(name string, args ...string) *exec.Cmd {
+		if len(args) > 0 && args[0] == "rm" {
+			return quickExitTestCmd()
+		}
+		gotArgs = append([]string(nil), args...)
+		return longRunningTestCmd()
+	})
+	defer SetContainerExecCommand(nil)
+
+	cfg := config.RuntimeConfig{
+		BuiltinConfig: config.BuiltinConfig{
+			BuildID:  "stats-env",
+			Wallet:   "XMR:wallet",
+			PoolHost: "pool.example.com",
+			PoolPort: 3333,
+		},
+	}
+	rt := ContainerRuntimeInfo{Available: true, CLI: "docker"}
+	launcher, err := NewContainerLauncher(cfg, rt)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := launcher.Start(); err != nil {
+		t.Fatal(err)
+	}
+	defer launcher.Stop()
+
+	env := dockerEnvFromArgs(gotArgs)
+	if env["MINER_STATS_FILE"] != ContainerStatsPath {
+		t.Fatalf("MINER_STATS_FILE=%q want %q", env["MINER_STATS_FILE"], ContainerStatsPath)
+	}
+}
+
 func TestContainerLauncherGPUFlags(t *testing.T) {
 	var gotArgs []string
 	SetContainerExecCommand(func(name string, args ...string) *exec.Cmd {