deep profile + threshold gating + firmware stage + Burn super-stage

Ships all five phases of the deep-profile overhaul together. Runs now
carry a profile (quick/deep/soak); every profile walks the same
11-stage order — Inventory → Firmware → SpecValidate → SMART →
CPUStress → Storage → Network → Burn → GPU → PSU → Reporting —
with only per-stage durations and concurrency scaled.

Phase 1: profiles.ProfileRegistry loaded from vetting.yaml; runs.profile
column + CreateWithProfile; threshold table + evaluator seeded per-run
from the shared vetting.thresholds block; breach flips result at
/sensor + /result.

Phase 2: upgraded CPUStress (stress-ng --cpu-method=all --verify +
EDAC/MCE poll), Storage (fio --verify=md5 + SMART start/end delta),
Network (sustained iperf + /proc/net/dev deltas) with per-profile
knobs from Deps.

Phase 3: Burn super-stage with goroutine fan-out for CPU + memory +
fio + iperf, PSU rails sampled across the Burn window, SensorMux
(2 s flush, 500-sample cap) to absorb backpressure.

Phase 4: Firmware stage + firmware_snapshots table; probes dmidecode
(BIOS), ipmitool (BMC), ethtool -i (NIC), nvme (sysfs + id-ctrl),
lspci (HBA), /proc/cpuinfo (microcode). spec.DiffFirmware folds into
SpecValidate with pin-by-identifier and fan-out-across-component
matching; mismatches park the run in FailedHolding.

Phase 5: profile radio on the host start form, profile chip on the
run header, Firmware section in the HTML report, coverage artifact
uploaded from CI, agent/tests/fakes/ scaffold with Deps.LookPath
seam + stress_ng and dmidecode example fakes.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

agent/client.go

@@ -124,6 +124,56 @@ type ClaimResponse struct {
 	// at the right stage instead of silently replaying Inventory and
 	// letting the orchestrator advance past the crashed stage.
 	CurrentState string `json:"current_state"`
+	// StageConfig carries per-profile stage knobs (Phase 2): stage-level
+	// timeouts and probe-level durations/modes. Empty when the agent
+	// talks to a pre-Phase-2 orchestrator; the agent applies compile-
+	// time defaults in that case.
+	StageConfig ClaimStageConfig `json:"stage_config"`
+}
+
+// ClaimStageConfig mirrors config.StageConfig server-side — duplicated so
+// the agent doesn't need to import internal/config. Durations arrive as
+// strings ("2m", "2h") and are parsed by the tests package at the point
+// of use. An empty field means "use the agent-side default" so a missing
+// knob doesn't silently turn CPUStress / Storage into a no-op.
+type ClaimStageConfig struct {
+	Profile       string                `json:"profile"`
+	StageTimeouts map[string]string     `json:"stage_timeouts,omitempty"`
+	CPUStress     ClaimCPUStressKnobs   `json:"cpustress"`
+	Storage       ClaimStorageKnobs     `json:"storage"`
+	Network       ClaimNetworkKnobs     `json:"network"`
+	Burn          ClaimBurnKnobs        `json:"burn"`
+}
+
+type ClaimCPUStressKnobs struct {
+	CPUPass  string `json:"cpu_pass,omitempty"`
+	MemPass  string `json:"mem_pass,omitempty"`
+	EDACPoll string `json:"edac_poll,omitempty"`
+}
+
+type ClaimStorageKnobs struct {
+	Mode    string `json:"mode,omitempty"`
+	FioSize string `json:"fio_size,omitempty"`
+	FioTime string `json:"fio_time,omitempty"`
+	FioBS   string `json:"fio_bs,omitempty"`
+	FioRW   string `json:"fio_rw,omitempty"`
+	Verify  string `json:"verify,omitempty"`
+}
+
+type ClaimNetworkKnobs struct {
+	Duration string `json:"duration,omitempty"`
+}
+
+// ClaimBurnKnobs mirrors config.BurnKnobs. Duration/CPUWorkers arrive as
+// strings so the agent can treat empty as "use compile-time default".
+// MemPct is a percentage (0-100); IperfParallel is the parallel stream
+// count fed to iperf3 -P. FioOnSpare gates whether fio runs inside Burn.
+type ClaimBurnKnobs struct {
+	Duration      string `json:"duration,omitempty"`
+	CPUWorkers    string `json:"cpu_workers,omitempty"`
+	MemPct        int    `json:"mem_pct,omitempty"`
+	FioOnSpare    bool   `json:"fio_on_spare,omitempty"`
+	IperfParallel int    `json:"iperf_parallel,omitempty"`
 }
 
 type ClaimExpectedDiskSpec struct {