diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index 4204c63..3ded304 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -11,8 +11,8 @@ android {
         applicationId = "cn.ilapage.goauto.agent"
         minSdk = 23
         targetSdk = 34
-        versionCode = 76
-        versionName = "0.9.63"
+        versionCode = 77
+        versionName = "0.9.64"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 
diff --git a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/GoAutoAccessibilityService.kt b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/GoAutoAccessibilityService.kt
index 59c1168..cb7fafa 100644
--- a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/GoAutoAccessibilityService.kt
+++ b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/GoAutoAccessibilityService.kt
@@ -468,17 +468,27 @@ class GoAutoAccessibilityService : AccessibilityService(), UiDriver, PddCollecto
     }
 
     override fun swipePurchase(direction: SwipeDirection, durationMs: Long): Boolean {
-        val root = rootInActiveWindow ?: return false
+        return swipePurchaseWithEvidence(direction, durationMs).result == PurchaseSwipeResult.SUCCESS
+    }
+
+    override fun swipePurchaseWithEvidence(direction: SwipeDirection, durationMs: Long): PurchaseSwipeOutcome {
+        // Count and resolve against the same live root: a missing root or a
+        // failed dispatch must never masquerade as an empty scrollable list.
+        val root = rootInActiveWindow ?: return PurchaseSwipeOutcome(PurchaseSwipeResult.ROOT_UNAVAILABLE, 0)
         val candidates = mutableListOf<AccessibilityNodeInfo>()
         walk(root) { node -> if (node.isVisibleToUser && node.isScrollable) candidates += node }
+        if (candidates.isEmpty()) return PurchaseSwipeOutcome(PurchaseSwipeResult.NO_SCROLLABLE_TARGET, 0)
         val horizontal = direction == SwipeDirection.LEFT || direction == SwipeDirection.RIGHT
         val directional = candidates.filter { candidate ->
             Rect().also(candidate::getBoundsInScreen).let { if (horizontal) it.width() > it.height() else it.height() >= it.width() }
         }
         val target = (directional.ifEmpty { candidates }).maxByOrNull { candidate ->
             Rect().also(candidate::getBoundsInScreen).let { it.width().toLong() * it.height() }
-        } ?: return false
-        return swipeNode(target, direction, durationMs, preferScrollAction = false)
+        } ?: return PurchaseSwipeOutcome(PurchaseSwipeResult.FAILED, candidates.size)
+        val result = if (swipeNode(target, direction, durationMs, preferScrollAction = false)) {
+            PurchaseSwipeResult.SUCCESS
+        } else PurchaseSwipeResult.FAILED
+        return PurchaseSwipeOutcome(result, candidates.size)
     }
 
     override fun swipePurchaseIn(target: SnapshotNode, direction: SwipeDirection, durationMs: Long): Boolean {
diff --git a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt
index 20012a1..a15dd6e 100644
--- a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt
+++ b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt
@@ -3,6 +3,10 @@ package cn.ilapage.goauto.agent.automation
 import java.net.URI
 import java.net.URLDecoder
 
+enum class PurchaseSwipeResult { SUCCESS, NO_SCROLLABLE_TARGET, ROOT_UNAVAILABLE, FAILED }
+
+data class PurchaseSwipeOutcome(val result: PurchaseSwipeResult, val visibleScrollableCount: Int)
+
 interface PurchaseUiDriver {
     fun capture(): UiSnapshot
     fun clickFresh(target: SnapshotNode): FreshActionResult
@@ -32,6 +36,18 @@ interface PurchaseUiDriver {
     fun specRowSwipeFailureReason(): String = "gestureFailed"
     fun inputFresh(target: SnapshotNode, value: String): FreshActionResult
     fun swipePurchase(direction: SwipeDirection, durationMs: Long): Boolean
+    /** Detailed result only for the rule's reversible spec-panel reveal swipe. */
+    fun swipePurchaseWithEvidence(direction: SwipeDirection, durationMs: Long): PurchaseSwipeOutcome {
+        val snapshot = capture()
+        val count = snapshot.nodes.count { it.visible && it.scrollable }
+        val result = when {
+            snapshot.nodes.isEmpty() -> PurchaseSwipeResult.ROOT_UNAVAILABLE
+            count == 0 -> PurchaseSwipeResult.NO_SCROLLABLE_TARGET
+            swipePurchase(direction, durationMs) -> PurchaseSwipeResult.SUCCESS
+            else -> PurchaseSwipeResult.FAILED
+        }
+        return PurchaseSwipeOutcome(result, count)
+    }
     fun swipePurchaseIn(target: SnapshotNode, direction: SwipeDirection, durationMs: Long): Boolean
     fun pullDownGoodsPage(): Boolean = swipePurchase(SwipeDirection.DOWN, 550)
     fun backPurchase(): Boolean
@@ -1150,17 +1166,34 @@ class PurchaseRehearsalExecutor(
     private fun applyPostAction(input: PurchaseExecutionInput, action: PurchaseAction): PurchaseExecutionOutcome? {
         if (action.waitAfterMs > 0) pause(action.waitAfterMs)
         action.swipeAfter?.let { swipe ->
-            // The stock purchase rule asks to reveal additional selector rows after
-            // opening the sheet.  A fully-evidenced non-scrollable selector has no
-            // scroll target, and treating that absence as an action failure blocks
-            // an otherwise safe exact-spec flow.  Keep all other configured swipes
-            // mandatory; this exception is limited to that confirmed panel state.
-            if (action.type == PurchaseActionType.OPEN_SPEC_PANEL &&
-                currentScreen(input).specPanelType == SpecPanelType.NON_SCROLLABLE_CONFIRMATION
-            ) return null
+            val reveal = action.type == PurchaseActionType.OPEN_SPEC_PANEL
+            val initialScreen = if (reveal) currentScreen(input) else null
+            if (initialScreen?.specPanelType == SpecPanelType.NON_SCROLLABLE_CONFIRMATION) {
+                val count = initialScreen.sourceNodes.count { it.visible && it.scrollable }
+                panelDiagnostic("ruleSwipe;outcome=skipped_confirmed_panel;panel=${initialScreen.specPanelType};scrollables=$count;reveal=true")
+                return null
+            }
             repeat(swipe.count) { index ->
-                if (!driver.swipePurchase(swipe.direction, swipe.durationMs)) {
-                    return failure("RULE_ACTION_FAILED", "规则要求的有限滑动失败")
+                // Keep other actions on the original Boolean path. Only the
+                // post-open reveal may treat an absent scroll target as a no-op.
+                val outcome = if (reveal) {
+                    driver.swipePurchaseWithEvidence(swipe.direction, swipe.durationMs)
+                } else if (driver.swipePurchase(swipe.direction, swipe.durationMs)) {
+                    PurchaseSwipeOutcome(PurchaseSwipeResult.SUCCESS, 0)
+                } else {
+                    val count = driver.capture().nodes.count { it.visible && it.scrollable }
+                    PurchaseSwipeOutcome(PurchaseSwipeResult.FAILED, count)
+                }
+                if (outcome.result != PurchaseSwipeResult.SUCCESS) {
+                    val screen = currentScreen(input)
+                    val evidence = "panel=${screen.specPanelType};scrollables=${outcome.visibleScrollableCount};" +
+                        "reveal=$reveal;reason=${outcome.result.name.lowercase()}"
+                    if (reveal && outcome.result == PurchaseSwipeResult.NO_SCROLLABLE_TARGET) {
+                        panelDiagnostic("ruleSwipe;outcome=skipped_no_scroll_target;$evidence")
+                        return null
+                    }
+                    panelDiagnostic("ruleSwipe;outcome=failed;$evidence")
+                    return failure("RULE_ACTION_FAILED", "规则要求的有限滑动失败 [$evidence]")
                 }
                 if (index < swipe.count - 1 && swipe.intervalMs > 0) pause(swipe.intervalMs)
             }
diff --git a/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseRehearsalExecutorTest.kt b/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseRehearsalExecutorTest.kt
index bd02933..683b444 100644
--- a/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseRehearsalExecutorTest.kt
+++ b/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseRehearsalExecutorTest.kt
@@ -9,6 +9,8 @@ import cn.ilapage.goauto.agent.automation.PurchaseExecutionInput
 import cn.ilapage.goauto.agent.automation.PurchaseRehearsalExecutor
 import cn.ilapage.goauto.agent.automation.PurchaseRuleParser
 import cn.ilapage.goauto.agent.automation.PurchaseSpecGesturePolicy
+import cn.ilapage.goauto.agent.automation.PurchaseSwipeOutcome
+import cn.ilapage.goauto.agent.automation.PurchaseSwipeResult
 import cn.ilapage.goauto.agent.automation.PurchaseUiDriver
 import cn.ilapage.goauto.agent.automation.RuleValidationException
 import cn.ilapage.goauto.agent.automation.SnapshotNode
@@ -766,11 +768,118 @@ class PurchaseRehearsalExecutorTest {
     @Test
     fun `open spec panel skips required follow-up swipe only for confirmed non-scrollable panel`() {
         val driver = FakePurchaseDriver(nonScrollablePanel = true, purchaseSwipeSucceeds = false)
-        val outcome = PurchaseRehearsalExecutor(driver, { driver.browser = true; true }, { null }, pause = {})
+        val diagnostics = mutableListOf<String>()
+        val outcome = PurchaseRehearsalExecutor(driver, { driver.browser = true; true }, { null }, pause = {}, panelDiagnostic = diagnostics::add)
             .execute(input(), PurchaseRuleParser.parse(rule()), PurchaseAgentCapabilities.supported)
 
         assertEquals("rehearsal_completed", outcome.resultType)
         assertEquals(0, driver.swipeCount)
+        assertTrue(diagnostics.any { it.contains("skipped_confirmed_panel;panel=NON_SCROLLABLE_CONFIRMATION;scrollables=0;reveal=true") })
+    }
+
+    @Test
+    fun `open spec reveal skips missing scroll target regardless of panel classification`() {
+        val driver = FakePurchaseDriver(
+            panelOverride = SpecPanelFixtures.liveShapedSheet(),
+            purchaseSwipeSucceeds = false,
+        )
+        var probes = 0
+        val diagnostics = mutableListOf<String>()
+        val outcome = PurchaseRehearsalExecutor(
+            driver, { driver.browser = true; true }, { probes++; "{}" },
+            pause = {}, panelDiagnostic = diagnostics::add,
+        ).execute(input().copy(phase = "spec_probe"), PurchaseRuleParser.parse(rule()), PurchaseAgentCapabilities.supported)
+
+        assertEquals(outcome.message, "spec_probe_completed", outcome.resultType)
+        assertEquals(1, probes)
+        assertEquals(0, driver.swipeCount)
+        assertTrue(diagnostics.any { it.contains("panel=REQUIRED_EVIDENCE;scrollables=0;reveal=true") })
+    }
+
+    @Test
+    fun `open spec reveal with a scroll target still fails on gesture failure`() {
+        val driver = FakePurchaseDriver(purchaseSwipeSucceeds = false)
+        var probes = 0
+        val diagnostics = mutableListOf<String>()
+        val outcome = PurchaseRehearsalExecutor(
+            driver, { driver.browser = true; true }, { probes++; "{}" },
+            pause = {}, panelDiagnostic = diagnostics::add,
+        ).execute(input().copy(phase = "spec_probe"), PurchaseRuleParser.parse(rule()), PurchaseAgentCapabilities.supported)
+
+        assertEquals("RULE_ACTION_FAILED", outcome.errorCode)
+        assertEquals(0, probes)
+        assertEquals(1, driver.swipeCount)
+        assertTrue(outcome.message.contains("panel=NORMAL_SCROLLABLE;scrollables=1;reveal=true;reason=failed"))
+        assertTrue(diagnostics.any { it.startsWith("ruleSwipe;outcome=failed;") })
+        assertFalse(outcome.message.contains("黑色"))
+        assertFalse(outcome.message.contains(input().goodsId))
+    }
+
+    @Test
+    fun `open spec reveal does not skip a missing accessibility root`() {
+        val driver = FakePurchaseDriver(revealSwipeOutcomes = mutableListOf(
+            PurchaseSwipeOutcome(PurchaseSwipeResult.ROOT_UNAVAILABLE, 0),
+        ))
+        var probes = 0
+        val outcome = PurchaseRehearsalExecutor(driver, { driver.browser = true; true }, { probes++; "{}" }, pause = {})
+            .execute(input().copy(phase = "spec_probe"), PurchaseRuleParser.parse(rule()), PurchaseAgentCapabilities.supported)
+
+        assertEquals("RULE_ACTION_FAILED", outcome.errorCode)
+        assertEquals(0, probes)
+        assertTrue(outcome.message.contains("scrollables=0;reveal=true;reason=root_unavailable"))
+    }
+
+    @Test
+    fun `open spec reveal stops remaining swipes after target disappears`() {
+        val driver = FakePurchaseDriver(revealSwipeOutcomes = mutableListOf(
+            PurchaseSwipeOutcome(PurchaseSwipeResult.SUCCESS, 1),
+            PurchaseSwipeOutcome(PurchaseSwipeResult.NO_SCROLLABLE_TARGET, 0),
+        ))
+        val pauses = mutableListOf<Long>()
+        val outcome = PurchaseRehearsalExecutor(driver, { driver.browser = true; true }, { "{}" }, pause = pauses::add)
+            .execute(input().copy(phase = "spec_probe"), PurchaseRuleParser.parse(rule()), PurchaseAgentCapabilities.supported)
+
+        assertEquals("spec_probe_completed", outcome.resultType)
+        assertEquals(1, driver.swipeCount)
+        assertEquals(1, pauses.count { it == 1000L })
+    }
+
+    @Test
+    fun `scrollable spec reveal preserves configured swipe count and interval`() {
+        val driver = FakePurchaseDriver()
+        val pauses = mutableListOf<Long>()
+        val outcome = PurchaseRehearsalExecutor(driver, { driver.browser = true; true }, { "{}" }, pause = pauses::add)
+            .execute(input().copy(phase = "spec_probe"), PurchaseRuleParser.parse(rule()), PurchaseAgentCapabilities.supported)
+
+        assertEquals("spec_probe_completed", outcome.resultType)
+        assertEquals(2, driver.swipeCount)
+        assertEquals(1, pauses.count { it == 1000L })
+    }
+
+    @Test
+    fun `missing scroll target outside spec reveal remains a mandatory action failure`() {
+        val driver = FakePurchaseDriver(purchaseSwipeSucceeds = false)
+        val configured = rule().replace(
+            "\"waitAfterMs\":700}",
+            "\"waitAfterMs\":700,\"swipeAfter\":{\"direction\":\"up\",\"count\":1,\"durationMs\":500,\"intervalMs\":0}}",
+        )
+        val outcome = PurchaseRehearsalExecutor(driver, { driver.browser = true; true }, { "{}" }, pause = {})
+            .execute(input().copy(phase = "spec_probe"), PurchaseRuleParser.parse(configured), PurchaseAgentCapabilities.supported)
+
+        assertEquals("RULE_ACTION_FAILED", outcome.errorCode)
+        assertTrue(outcome.message.contains("scrollables=0;reveal=false"))
+        assertFalse(driver.panel)
+    }
+
+    @Test
+    fun `skipping a reveal does not skip a failed specification probe`() {
+        val driver = FakePurchaseDriver(panelOverride = SpecPanelFixtures.liveShapedSheet())
+        var probes = 0
+        val outcome = PurchaseRehearsalExecutor(driver, { driver.browser = true; true }, { probes++; null }, pause = {})
+            .execute(input().copy(phase = "spec_probe"), PurchaseRuleParser.parse(rule()), PurchaseAgentCapabilities.supported)
+
+        assertEquals("PURCHASE_SPEC_NOT_MATCHED", outcome.errorCode)
+        assertEquals(1, probes)
     }
 
     @Test
@@ -1249,6 +1358,8 @@ class PurchaseRehearsalExecutorTest {
         private val nonScrollablePanel: Boolean = false,
         private val unrecognizedPanel: Boolean = false,
         private val purchaseSwipeSucceeds: Boolean = true,
+        private val panelOverride: UiSnapshot? = null,
+        private val revealSwipeOutcomes: MutableList<PurchaseSwipeOutcome> = mutableListOf(),
         initiallyInAgent: Boolean = false,
         private val panelBecomesUnknownAfterSizeProof: Boolean = false,
     ) : PurchaseUiDriver {
@@ -1351,6 +1462,7 @@ class PurchaseRehearsalExecutorTest {
                 if (includeReviewEntry) nodes += node("review", "商品评价", 20, 1200, 900, 1300, clickable = true)
                 return UiSnapshot(PDD, ACTIVITY, nodes)
             }
+            panelOverride?.let { return it }
             if (unrecognizedPanel) {
                 return UiSnapshot(PDD, ACTIVITY, listOf(
                     node("content", "", 0, 0, 1080, 2200),
@@ -1532,6 +1644,13 @@ class PurchaseRehearsalExecutorTest {
             return purchaseSwipeSucceeds
         }
 
+        override fun swipePurchaseWithEvidence(direction: SwipeDirection, durationMs: Long): PurchaseSwipeOutcome {
+            if (revealSwipeOutcomes.isEmpty()) return super.swipePurchaseWithEvidence(direction, durationMs)
+            val outcome = revealSwipeOutcomes.removeAt(0)
+            if (outcome.result == PurchaseSwipeResult.SUCCESS) swipePurchase(direction, durationMs)
+            return outcome
+        }
+
         override fun swipePurchaseIn(target: SnapshotNode, direction: SwipeDirection, durationMs: Long): Boolean {
             swipeInPaths += target.path
             if (restoreHiddenColorOnDownSwipe && quantity == 2L && direction == SwipeDirection.DOWN) {