diff --git a/frontend/index.html b/frontend/index.html
index 9d712dc..fc6d5ef 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -19545,6 +19545,8 @@ function profilerEdit(i) {
 	const p = profiles[i];
 	profilerEditId = p.id;
 	profilerDraft = JSON.parse(JSON.stringify(p));
+	// a fresh draft starts with every access-rules block collapsed
+	_profilerArrOpen = {};
 	profilerSetView('editor');
 	document.getElementById('profiler-name').value = profilerDraft.name;
 	profilerRenderEditor();
@@ -19733,6 +19735,7 @@ function profilerAddRule() {
 function profilerDeleteRule(i) {
 	if (!profilerDraft) return;
 	profilerDraft.rules.splice(i, 1);
+	_profilerArrOpen = profilerArrShiftOpen(_profilerArrOpen, i);
 	profilerRenderEditor();
 }
 
@@ -19807,6 +19810,11 @@ function profilerRenderRule(i, r) {
 	return html;
 }
 
+// The expanded access-rule blocks of the profile editor (transient UI state,
+// kept across the editor re-renders; None hides the block entirely; a fresh
+// draft resets it and a deleted rule shifts the keys).
+let _profilerArrOpen = {};
+
 // Access-rules check editor (v3.25.0): captured rules open as structured rows
 // (operation bits / command + security conditions) and hand-made rules can be
 // built the same way; every change re-encodes the canonical decoded line the
@@ -19844,15 +19852,23 @@ function profilerRenderAccessRulesEditor(i, r) {
 	return html;
 }
 
-// The expanded access-rule blocks of the profile editor (transient UI state,
-// kept across the editor re-renders; None hides the block entirely).
-let _profilerArrOpen = {};
-
 function profilerArrToggleOpen(i) {
 	_profilerArrOpen[i] = !_profilerArrOpen[i];
 	profilerRenderEditor();
 }
 
+// Re-key the open-state map after a rule at `removed` was deleted: the
+// entries below stay, the ones above shift down by one.
+function profilerArrShiftOpen(open, removed) {
+	const next = {};
+	for (const k of Object.keys(open)) {
+		const n = Number(k);
+		if (n < removed) next[n] = open[k];
+		else if (n > removed) next[n - 1] = open[k];
+	}
+	return next;
+}
+
 // One expected rule row: the operation form + bit checkboxes (or the RESIZE /
 // INCREASE command), the condition rows and the canonical preview line.
 function profilerArrRuleHtml(i, ri, line) {
diff --git a/frontend/tests/profiler.test.js b/frontend/tests/profiler.test.js
index a450cdf..64b29cd 100644
--- a/frontend/tests/profiler.test.js
+++ b/frontend/tests/profiler.test.js
@@ -22,7 +22,7 @@ function extractFunc(src, name, asyncFn) {
 }
 
 const FNS = ['profilerNormHex', 'profilerNormHexStrict', 'profilerMatch', 'profilerMatchMin', 'profilerMaskPrefix4', 'profilerFileFields', 'profilerContentKindForFileType', 'profilerEmptyRecordContent', 'profilerValidateProfile', 'profilerCustomNameForPath', 'pysimCustomNormPath', 'profilerUpdateRulePath', 'profilerResultAspects', 'profilerAspectSummary', 'profilerNumRanges', 'profilerMatchedRecordsText', 'profilerCloneName', 'profilerClone', 'profilerNewId', 'esc', 'escHtml', 'profilerRawDataCheck', 'profilerRenderReport', 'parseBerLen', 'parseTlvList', 'fcpInt', 'fcpParseTlvs', 'fcpFileDescriptor', 'fcpLifeCycle', 'fcpSfi', 'fcpDo', 'fcpDecode',
-	'fcpArrRef', 'fcpSeidName', 'fcpArrRules', 'fcpArrRefFromFci', 'fcpWithoutArrRef', 'fcpArrSplitTop', 'fcpArrKeyRefFromName', 'fcpArrKeyRefOptions', 'fcpArrScParse', 'fcpArrScEncode', 'fcpArrRuleParse', 'fcpArrRuleEncode', 'fcpArrRuleToggleBit', 'fcpArrRuleSetKind', 'fcpArrRuleSetSc', 'fcpArrRuleSetUq', 'fcpArrRuleAddSc', 'fcpArrRuleRemoveSc', 'profilerRenderAccessRulesEditor', 'profilerArrRuleHtml', 'profilerArrScSelect', 'profilerArrUqSelect', 'profilerArrToggleOpen', 'profilerAccessRulesDiffHtml', 'profilerSnapshotArr', 'efBytes', 'efHex', 'efTlv', 'efDecArr', 'efArrAmLabel', 'efArrSc', 'efArrAmDo', 'efFidFromPath',
+	'fcpArrRef', 'fcpSeidName', 'fcpArrRules', 'fcpArrRefFromFci', 'fcpWithoutArrRef', 'fcpArrSplitTop', 'fcpArrKeyRefFromName', 'fcpArrKeyRefOptions', 'fcpArrScParse', 'fcpArrScEncode', 'fcpArrRuleParse', 'fcpArrRuleEncode', 'fcpArrRuleToggleBit', 'fcpArrRuleSetKind', 'fcpArrRuleSetSc', 'fcpArrRuleSetUq', 'fcpArrRuleAddSc', 'fcpArrRuleRemoveSc', 'profilerRenderAccessRulesEditor', 'profilerArrRuleHtml', 'profilerArrScSelect', 'profilerArrUqSelect', 'profilerArrToggleOpen', 'profilerArrShiftOpen', 'profilerAccessRulesDiffHtml', 'profilerSnapshotArr', 'efBytes', 'efHex', 'efTlv', 'efDecArr', 'efArrAmLabel', 'efArrSc', 'efArrAmDo', 'efFidFromPath',
 	'pinKeyRefName', 'fcpPsTemplate', 'fcpDiffHtml', 'profilerFciPreviewItems', 'profilerUpdateFciPreview', 'profilerUpdateRule', 'profilerFciInput', 'profilerScanToggleAll', 'profilerScanIgnoreAllState', 'swapNibbles', 'decIccid', 'profilerSnapshotIccid', 'profilerValidateSnapshot', 'profilerListSwitch', 'profilerScanRefreshOptions', 'profilerLiveSource', 'profilerSnapshotSource', 'profilerVisibleResults', 'profilerRulesFromSnapshot', 'profilerExtraFileResults', 'profilerScanNameKeydown', 'profilerTimingStats', 'profilerTimingAccumulator', 'profilerFormatMs', 'profilerRenderSnapshotSummary', 'profilerSnapshotCountLabel', 'pysimFsInfoHtml', 'profilerLabelText', 'profilerResultsHeaderText', 'profilerRenderResultsView', 'profilerBuildFileRuleFromSnapshot', 'profilerSnapshotPickListHtml', 'profilerScanSetTarget'];
 let code = '';
 for (const f of FNS) code += extractFunc(html, f) + '\n';
@@ -1078,7 +1078,7 @@ test('fcpArrRuleParse/Encode round-trips the decoded rule forms', () => {
 	for (const raw of [
 		'AM 0x02 (UPDATE/ERASE (EF) / CREATE FILE EF (DF)): (PIN app1 (verify) OR PIN app2 (verify))',
 		'AM 0x01 (READ/SEARCH (EF) / DELETE FILE child (DF)): SM CRT 0xB4',
-		'command description 0x84 (D4)',
+		'command description 0x85 (D4)',
 	]) {
 		const rm = fcpArrRuleParse(raw);
 		assert.strictEqual(rm.raw, raw, raw);
@@ -1104,8 +1104,8 @@ test('fcpArrRule mutators re-encode the canonical line', () => {
 	m = fcpArrRuleSetSc(m, 0, 'never');
 	assert.strictEqual(fcpArrRuleEncode(m), 'RESIZE FILE (AM_DO 0x84, INS 0xD4): never');
 	// a raw model is never modified
-	const raw = fcpArrRuleParse('command description 0x84 (D4)');
-	assert.strictEqual(fcpArrRuleEncode(fcpArrRuleToggleBit(raw, 0x01, true)), 'command description 0x84 (D4)');
+	const raw = fcpArrRuleParse('command description 0x85 (D4)');
+	assert.strictEqual(fcpArrRuleEncode(fcpArrRuleToggleBit(raw, 0x01, true)), 'command description 0x85 (D4)');
 });
 
 test('the access-rules editor renders structured rows', () => {
@@ -1154,9 +1154,17 @@ test('the access-rules editor renders structured rows', () => {
 	_profilerArrOpen = {};
 	// Check opens the block, None hides it
 	assert.ok(html.includes('_profilerArrOpen[i] = on;'), 'the radio drives the visibility');
+	// a fresh draft resets the open blocks
+	assert.ok(html.includes("_profilerArrOpen = {};\n\tprofilerSetView('editor');"), 'profilerEdit resets the blocks');
 	delete global.t;
 });
 
+test('the access-rule open state survives rule deletion', () => {
+	assert.deepStrictEqual(profilerArrShiftOpen({ 0: true, 2: true, 3: true }, 1), { 0: true, 1: true, 2: true });
+	assert.deepStrictEqual(profilerArrShiftOpen({ 0: true, 2: true, 3: true }, 2), { 0: true, 2: true });
+	assert.deepStrictEqual(profilerArrShiftOpen({}, 0), {});
+});
+
 test('profilerResultAspects and the summary include Access rules', () => {
 	const res = { checks: [
 		{ label: 'exists', ok: true },