diff --git a/audit/internal/webui/page_validate.go b/audit/internal/webui/page_validate.go
index a6919c7..d9c420a 100644
--- a/audit/internal/webui/page_validate.go
+++ b/audit/internal/webui/page_validate.go
@@ -84,38 +84,49 @@ func renderValidateMode(opts HandlerOptions, stressDefault bool) string {
 	if n > 0 {
 		gpuNote = fmt.Sprintf(" (%d GPU)", n)
 	}
-	validateChecked, stressChecked := "checked", ""
+	estStr := validateTotalStr
 	if stressDefault {
-		validateChecked, stressChecked = "", "checked"
+		estStr = stressTotalStr
 	}
 	alert := `<div class="alert alert-info" style="margin-bottom:16px"><strong>Non-destructive:</strong> Validate tests collect diagnostics only. They do not write to disks, do not run sustained load, and do not increment hardware wear counters.</div>`
 	if stressDefault {
 		alert = `<div class="alert alert-warn" style="margin-bottom:16px"><strong>&#9888; Stress mode:</strong> Runs extended load tests — CPU stress-ng, memory passes, DCGM targeted diagnostics. Higher wear than Validate.</div>`
 	}
-	onloadJS := ""
+
+	stressOnlyCards := ""
 	if stressDefault {
-		onloadJS = `<script>satModeChanged();</script>`
+		stressOnlyCards = renderSATCard("nvidia-targeted-stress", "NVIDIA GPU Targeted Stress", "runNvidiaValidateSet('nvidia-targeted-stress')", "", renderValidateCardBody(
+			inv.NVIDIA,
+			`Runs a controlled NVIDIA DCGM load to check stability under moderate stress.`,
+			`<code>dcgmi diag targeted_stress</code>`,
+			validateFmtDur(platform.SATEstimatedNvidiaTargetedStressSec)+` (all GPUs simultaneously).`,
+		)) +
+			renderSATCard("nvidia-targeted-power", "NVIDIA Targeted Power", "runNvidiaValidateSet('nvidia-targeted-power')", "", renderValidateCardBody(
+				inv.NVIDIA,
+				`Checks that the GPU can sustain its declared power delivery envelope. Pass/fail determined by DCGM.`,
+				`<code>dcgmi diag targeted_power</code>`,
+				validateFmtDur(platform.SATEstimatedNvidiaTargetedPowerSec)+` (all GPUs simultaneously).`,
+			)) +
+			renderSATCard("nvidia-pulse", "NVIDIA PSU Pulse Test", "runNvidiaFabricValidate('nvidia-pulse')", "", renderValidateCardBody(
+				inv.NVIDIA,
+				`Tests power supply transient response by pulsing all GPUs simultaneously between idle and full load. Synchronous pulses across all GPUs create worst-case PSU load spikes — running per-GPU would miss PSU-level failures.`,
+				`<code>dcgmi diag pulse_test</code>`,
+				validateFmtDur(platform.SATEstimatedNvidiaPulseTestSec)+` (all GPUs simultaneously; measured on 8-GPU system).`,
+			))
 	}
+
+	satStressModeJS := "function satStressMode() { return false; }"
+	if stressDefault {
+		satStressModeJS = "function satStressMode() { return true; }"
+	}
+
 	return alert + `
 <p style="color:var(--muted);font-size:13px;margin-bottom:16px">Tasks continue in the background — view progress in <a href="/tasks">Tasks</a>.</p>
-
-	<div class="card" style="margin-bottom:16px">
-	  <div class="card-head">Validate Profile</div>
-	  <div class="card-body validate-profile-body">
-	    <div class="validate-profile-col">
-	      <div class="form-row" style="margin:12px 0 0"><label>Mode</label></div>
-	      <label class="cb-row"><input type="radio" name="sat-mode" id="sat-mode-validate" value="validate" ` + validateChecked + ` onchange="satModeChanged()"><span>Validate — quick non-destructive check</span></label>
-	      <label class="cb-row"><input type="radio" name="sat-mode" id="sat-mode-stress" value="stress" ` + stressChecked + ` onchange="satModeChanged()"><span>Stress — thorough load test (` + stressTotalStr + gpuNote + `)</span></label>
-	    </div>
-	    <div class="validate-profile-col validate-profile-action">
-	      <p style="color:var(--muted);font-size:12px;margin:0 0 10px">Runs validate modules sequentially. Validate: ` + validateTotalStr + gpuNote + `; Stress: ` + stressTotalStr + gpuNote + `. Estimates are based on real log data and scale with GPU count.</p>
-	      <button type="button" class="btn btn-primary" onclick="runAllSAT()">Validate one by one</button>
-	      <div style="margin-top:12px">
-	        <span id="sat-all-status" style="font-size:12px;color:var(--muted)"></span>
-	      </div>
-	    </div>
-	  </div>
-	</div>` + onloadJS
+<div style="display:flex;align-items:center;gap:12px;margin-bottom:16px">
+  <button type="button" class="btn btn-primary" onclick="runAllSAT()">Run All</button>
+  <span id="sat-all-status" style="font-size:12px;color:var(--muted)"></span>
+  <span style="font-size:12px;color:var(--muted)">est. ` + estStr + gpuNote + `</span>
+</div>
 
 <div class="grid3">
 ` + renderSATCard("cpu", "CPU", "runSAT('cpu')", "", renderValidateCardBody(
@@ -142,7 +153,7 @@ func renderValidateMode(opts HandlerOptions, stressDefault bool) string {
   <div class="card-head">NVIDIA GPU Selection</div>
   <div class="card-body">
     <p style="font-size:12px;color:var(--muted);margin:0 0 8px">` + inv.NVIDIA + `</p>
-    <p style="font-size:12px;color:var(--muted);margin:0 0 10px">All NVIDIA validate tasks use only the GPUs selected here. The same selection is used by Validate one by one.</p>
+    <p style="font-size:12px;color:var(--muted);margin:0 0 10px">All NVIDIA validate tasks use only the GPUs selected here. The same selection is used by Run All.</p>
     <div style="display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px">
       <button class="btn btn-sm btn-secondary" type="button" onclick="satSelectAllGPUs()">Select All</button>
       <button class="btn btn-sm btn-secondary" type="button" onclick="satSelectNoGPUs()">Clear</button>
@@ -163,46 +174,19 @@ func renderValidateMode(opts HandlerOptions, stressDefault bool) string {
 			validateFmtDur(platform.SATEstimatedNvidiaGPUValidateSec),
 			validateFmtDur(platform.SATEstimatedNvidiaGPUStressSec)),
 	)) +
-		`<div id="sat-card-nvidia-targeted-stress">` +
-		renderSATCard("nvidia-targeted-stress", "NVIDIA GPU Targeted Stress", "runNvidiaValidateSet('nvidia-targeted-stress')", "", renderValidateCardBody(
-			inv.NVIDIA,
-			`Runs a controlled NVIDIA DCGM load to check stability under moderate stress.`,
-			`<code>dcgmi diag targeted_stress</code>`,
-		"Skipped in Validate. Stress: " + validateFmtDur(platform.SATEstimatedNvidiaTargetedStressSec) + ` (all GPUs simultaneously).<p id="sat-ts-mode-hint" style="color:var(--warn-fg);font-size:12px;margin:8px 0 0">Only runs in Stress mode. Switch mode above to enable in Run All.</p>`,
-		)) +
-		`</div>` +
-		`<div id="sat-card-nvidia-targeted-power">` +
-		renderSATCard("nvidia-targeted-power", "NVIDIA Targeted Power", "runNvidiaValidateSet('nvidia-targeted-power')", "", renderValidateCardBody(
-			inv.NVIDIA,
-			`Checks that the GPU can sustain its declared power delivery envelope. Pass/fail determined by DCGM.`,
-			`<code>dcgmi diag targeted_power</code>`,
-		"Skipped in Validate. Stress: " + validateFmtDur(platform.SATEstimatedNvidiaTargetedPowerSec) + ` (all GPUs simultaneously).<p id="sat-tp-mode-hint" style="color:var(--warn-fg);font-size:12px;margin:8px 0 0">Only runs in Stress mode. Switch mode above to enable in Run All.</p>`,
-		)) +
-		`</div>` +
-		`<div id="sat-card-nvidia-pulse">` +
-		renderSATCard("nvidia-pulse", "NVIDIA PSU Pulse Test", "runNvidiaFabricValidate('nvidia-pulse')", "", renderValidateCardBody(
-			inv.NVIDIA,
-			`Tests power supply transient response by pulsing all GPUs simultaneously between idle and full load. Synchronous pulses across all GPUs create worst-case PSU load spikes — running per-GPU would miss PSU-level failures.`,
-			`<code>dcgmi diag pulse_test</code>`,
-			`Skipped in Validate. Stress: `+validateFmtDur(platform.SATEstimatedNvidiaPulseTestSec)+` (all GPUs simultaneously; measured on 8-GPU system).`+`<p id="sat-pt-mode-hint" style="color:var(--warn-fg);font-size:12px;margin:8px 0 0">Only runs in Stress mode. Switch mode above to enable in Run All.</p>`,
-		)) +
-		`</div>` +
-		`<div id="sat-card-nvidia-interconnect">` +
+		stressOnlyCards +
 		renderSATCard("nvidia-interconnect", "NVIDIA Interconnect (NCCL)", "runNvidiaFabricValidate('nvidia-interconnect')", "", renderValidateCardBody(
 			inv.NVIDIA,
 			`Verifies NVLink/NVSwitch fabric bandwidth using NCCL all_reduce_perf across all selected GPUs. Pass/fail based on achieved bandwidth vs. theoretical.`,
 			`<code>all_reduce_perf</code> (NCCL tests)`,
-			`Validate and Stress: `+validateFmtDur(platform.SATEstimatedNvidiaInterconnectSec)+` (all GPUs simultaneously, requires ≥2).`,
+			validateFmtDur(platform.SATEstimatedNvidiaInterconnectSec)+` (all GPUs simultaneously, requires ≥2).`,
 		)) +
-		`</div>` +
-		`<div id="sat-card-nvidia-bandwidth">` +
 		renderSATCard("nvidia-bandwidth", "NVIDIA Bandwidth (NVBandwidth)", "runNvidiaFabricValidate('nvidia-bandwidth')", "", renderValidateCardBody(
 			inv.NVIDIA,
 			`Validates GPU memory copy and peer-to-peer bandwidth paths using NVBandwidth.`,
 			`<code>nvbandwidth</code>`,
-			`Validate and Stress: `+validateFmtDur(platform.SATEstimatedNvidiaBandwidthSec)+` (all GPUs simultaneously; nvbandwidth runs all built-in tests without a time limit — duration set by the tool).`,
+			validateFmtDur(platform.SATEstimatedNvidiaBandwidthSec)+` (all GPUs simultaneously; nvbandwidth runs all built-in tests without a time limit — duration set by the tool).`,
 		)) +
-		`</div>` +
 		`</div>
 <div class="grid3" style="margin-top:16px">
 ` + renderSATCard("amd", "AMD GPU", "runAMDValidateSet()", "", renderValidateCardBody(
@@ -217,36 +201,15 @@ func renderValidateMode(opts HandlerOptions, stressDefault bool) string {
   <div class="card-body"><div id="sat-terminal" class="terminal"></div></div>
 </div>
 <style>
-.validate-profile-body { display:grid; grid-template-columns:1fr 1fr 1fr; gap:24px; align-items:stretch; }
-.validate-profile-col { min-width:0; display:flex; flex-direction:column; }
-.validate-profile-action { display:flex; flex-direction:column; align-items:center; justify-content:center; }
 .validate-card-body { padding:0; }
 .validate-card-section { padding:12px 16px 0; }
 .validate-card-section:last-child { padding-bottom:16px; }
 .sat-gpu-row { display:flex; align-items:flex-start; gap:8px; padding:6px 0; cursor:pointer; font-size:13px; }
 .sat-gpu-row input[type=checkbox] { width:16px; height:16px; margin-top:2px; flex-shrink:0; }
-@media(max-width:900px){ .validate-profile-body { grid-template-columns:1fr; } }
 </style>
 <script>
 let satES = null;
-function satStressMode() {
-  return document.querySelector('input[name="sat-mode"]:checked')?.value === 'stress';
-}
-function satModeChanged() {
-  const stress = satStressMode();
-  [
-    {card: 'sat-card-nvidia-targeted-stress', hint: 'sat-ts-mode-hint'},
-    {card: 'sat-card-nvidia-targeted-power',  hint: 'sat-tp-mode-hint'},
-    {card: 'sat-card-nvidia-pulse',           hint: 'sat-pt-mode-hint'},
-  ].forEach(function(item) {
-    const card = document.getElementById(item.card);
-    if (card) {
-      card.style.opacity = stress ? '1' : '0.5';
-      const hint = document.getElementById(item.hint);
-      if (hint) hint.style.display = stress ? 'none' : '';
-    }
-  });
-}
+` + satStressModeJS + `
 function satLabels() {
   return {nvidia:'Validate GPU', 'nvidia-targeted-stress':'NVIDIA Targeted Stress (dcgmi diag targeted_stress)', 'nvidia-targeted-power':'NVIDIA Targeted Power (dcgmi diag targeted_power)', 'nvidia-pulse':'NVIDIA PSU Pulse Test (dcgmi diag pulse_test)', 'nvidia-interconnect':'NVIDIA Interconnect (NCCL all_reduce_perf)', 'nvidia-bandwidth':'NVIDIA Bandwidth (NVBandwidth)', memory:'Validate Memory', storage:'Validate Storage', cpu:'Validate CPU', amd:'Validate AMD GPU', 'amd-mem':'AMD GPU MEM Integrity', 'amd-bandwidth':'AMD GPU MEM Bandwidth'};
 }