diff --git a/src/components/agent/AgentAssistantEntry.vue b/src/components/agent/AgentAssistantEntry.vue
index f623414a..c0143729 100644
--- a/src/components/agent/AgentAssistantEntry.vue
+++ b/src/components/agent/AgentAssistantEntry.vue
@@ -51,7 +51,7 @@ const FAB_DEFAULT_VERTICAL_RATIO = 2 / 3
 const FAB_RANDOM_ACTION_MIN_DELAY = 8000
 const FAB_RANDOM_ACTION_MAX_DELAY = 18000
 
-const FAB_RANDOM_ACTIONS = ['wave', 'sit', 'eye-roll', 'faint', 'disassemble'] as const
+const FAB_RANDOM_ACTIONS = ['wave', 'sit', 'eye-roll', 'faint', 'disassemble', 'happy-jump'] as const
 
 type FabRandomAction = (typeof FAB_RANDOM_ACTIONS)[number]
 
@@ -61,6 +61,7 @@ const FAB_RANDOM_ACTION_DURATIONS: Record<FabRandomAction, number> = {
   'eye-roll': 1900,
   faint: 4800,
   disassemble: 6200,
+  'happy-jump': 5200,
 }
 
 // 入口位置只保存在当前页面生命周期内，刷新后回到默认位置。
@@ -783,6 +784,7 @@ defineExpose({
           <span class="agent-assistant-fab__face">
             <span class="agent-assistant-fab__eye agent-assistant-fab__eye--left" />
             <span class="agent-assistant-fab__eye agent-assistant-fab__eye--right" />
+            <span class="agent-assistant-fab__smile" />
           </span>
         </span>
         <span class="agent-assistant-fab__body">
@@ -1120,6 +1122,20 @@ defineExpose({
   inset-inline-end: 0.43rem;
 }
 
+.agent-assistant-fab__smile {
+  position: absolute;
+  display: block;
+  border-block-end: 0.13rem solid var(--agent-assistant-robot-eye);
+  border-radius: 0 0 999px 999px;
+  block-size: 0.32rem;
+  inline-size: 0.7rem;
+  inset-block-start: 0.75rem;
+  inset-inline-start: 50%;
+  opacity: 0;
+  transform: translateX(-50%) scale(0.72);
+  transform-origin: center top;
+}
+
 .agent-assistant-fab__body {
   position: absolute;
   z-index: 3;
@@ -1295,26 +1311,33 @@ defineExpose({
 .agent-assistant-fab.is-action-eye-roll .agent-assistant-fab__antenna,
 .agent-assistant-fab.is-action-faint .agent-assistant-fab__antenna,
 .agent-assistant-fab.is-action-disassemble .agent-assistant-fab__antenna,
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__antenna,
 .agent-assistant-fab.is-action-wave .agent-assistant-fab__head,
 .agent-assistant-fab.is-action-sit .agent-assistant-fab__head,
 .agent-assistant-fab.is-action-eye-roll .agent-assistant-fab__head,
 .agent-assistant-fab.is-action-faint .agent-assistant-fab__head,
 .agent-assistant-fab.is-action-disassemble .agent-assistant-fab__head,
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__head,
 .agent-assistant-fab.is-action-wave .agent-assistant-fab__body,
 .agent-assistant-fab.is-action-sit .agent-assistant-fab__body,
 .agent-assistant-fab.is-action-eye-roll .agent-assistant-fab__body,
 .agent-assistant-fab.is-action-faint .agent-assistant-fab__body,
 .agent-assistant-fab.is-action-disassemble .agent-assistant-fab__body,
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__body,
 .agent-assistant-fab.is-action-wave .agent-assistant-fab__arm,
 .agent-assistant-fab.is-action-sit .agent-assistant-fab__arm,
 .agent-assistant-fab.is-action-eye-roll .agent-assistant-fab__arm,
 .agent-assistant-fab.is-action-faint .agent-assistant-fab__arm,
 .agent-assistant-fab.is-action-disassemble .agent-assistant-fab__arm,
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__arm,
 .agent-assistant-fab.is-action-wave .agent-assistant-fab__leg,
 .agent-assistant-fab.is-action-sit .agent-assistant-fab__leg,
 .agent-assistant-fab.is-action-eye-roll .agent-assistant-fab__leg,
 .agent-assistant-fab.is-action-faint .agent-assistant-fab__leg,
-.agent-assistant-fab.is-action-disassemble .agent-assistant-fab__leg {
+.agent-assistant-fab.is-action-disassemble .agent-assistant-fab__leg,
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__leg,
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__eye,
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__smile {
   transition: none;
 }
 
@@ -1443,6 +1466,48 @@ defineExpose({
   animation: agent-fab-action-disassemble-leg-right 6.2s ease-in-out both;
 }
 
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__bot {
+  animation: agent-fab-action-happy-jump-bot 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__antenna {
+  animation: agent-fab-action-happy-jump-antenna 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__head {
+  animation: agent-fab-action-happy-jump-head 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__eye {
+  animation: agent-fab-action-happy-jump-eye 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__smile {
+  animation: agent-fab-action-happy-jump-smile 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__body {
+  animation: agent-fab-action-happy-jump-body 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__arm--left {
+  z-index: 6;
+  animation: agent-fab-action-happy-jump-arm-left 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__arm--right {
+  z-index: 6;
+  animation: agent-fab-action-happy-jump-arm-right 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__leg--left {
+  animation: agent-fab-action-happy-jump-leg-left 5.2s ease-in-out both;
+}
+
+.agent-assistant-fab.is-action-happy-jump .agent-assistant-fab__leg--right {
+  animation: agent-fab-action-happy-jump-leg-right 5.2s ease-in-out both;
+}
+
 @keyframes agent-fab-head-idle {
   0%,
   100% {
@@ -1970,6 +2035,264 @@ defineExpose({
   }
 }
 
+@keyframes agent-fab-action-happy-jump-bot {
+  /* 三段蓄力、起跳、落地，让开心连跳比单纯上下移动更像真人动作。 */
+  0%,
+  100% {
+    transform: scale(var(--agent-assistant-bot-scale)) rotate(var(--agent-assistant-robot-tilt));
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translateY(0.22rem) scale(var(--agent-assistant-bot-scale)) rotate(calc(var(--agent-assistant-robot-tilt) - 3deg));
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translateY(-0.76rem) scale(var(--agent-assistant-bot-scale)) rotate(calc(var(--agent-assistant-robot-tilt) + 4deg));
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translateY(0.1rem) scale(var(--agent-assistant-bot-scale)) rotate(calc(var(--agent-assistant-robot-tilt) - 2deg));
+  }
+
+  92% {
+    transform: translateY(-0.1rem) scale(var(--agent-assistant-bot-scale)) rotate(calc(var(--agent-assistant-robot-tilt) + 1deg));
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-antenna {
+  0%,
+  100% {
+    transform: translate(var(--agent-assistant-head-x), var(--agent-assistant-head-y)) rotate(22deg);
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translate(var(--agent-assistant-head-x), calc(var(--agent-assistant-head-y) + 0.1rem)) rotate(34deg);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translate(var(--agent-assistant-head-x), calc(var(--agent-assistant-head-y) - 0.2rem)) rotate(-18deg);
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translate(var(--agent-assistant-head-x), calc(var(--agent-assistant-head-y) + 0.04rem)) rotate(38deg);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-head {
+  0%,
+  100% {
+    transform: translate(var(--agent-assistant-head-x), var(--agent-assistant-head-y)) rotate(0deg);
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translate(var(--agent-assistant-head-x), calc(var(--agent-assistant-head-y) + 0.1rem)) rotate(-4deg);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translate(var(--agent-assistant-head-x), calc(var(--agent-assistant-head-y) - 0.16rem)) rotate(7deg);
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translate(var(--agent-assistant-head-x), calc(var(--agent-assistant-head-y) + 0.04rem)) rotate(-5deg);
+  }
+
+  92% {
+    transform: translate(var(--agent-assistant-head-x), calc(var(--agent-assistant-head-y) - 0.04rem)) rotate(2deg);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-eye {
+  0%,
+  100% {
+    border-block-end-width: 0.15rem;
+    opacity: 1;
+    transform: translate(var(--agent-assistant-eye-x), var(--agent-assistant-eye-y)) scale(1, 1);
+  }
+
+  8%,
+  36%,
+  64%,
+  92% {
+    border-block-end-width: 0.18rem;
+    transform: translate(0, -0.06rem) scale(1.08, 0.72);
+  }
+
+  20%,
+  48%,
+  76% {
+    border-block-end-width: 0.19rem;
+    transform: translate(0, -0.12rem) scale(1.16, 0.58);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-smile {
+  0%,
+  100% {
+    opacity: 0;
+    transform: translateX(-50%) scale(0.72);
+  }
+
+  6%,
+  90% {
+    opacity: 1;
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translateX(-50%) translateY(0.02rem) scale(0.92, 0.82);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translateX(-50%) translateY(-0.04rem) scale(1.22, 1.08);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-body {
+  0%,
+  100% {
+    transform: translate(var(--agent-assistant-body-x), var(--agent-assistant-body-y)) scaleY(1);
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translate(var(--agent-assistant-body-x), calc(var(--agent-assistant-body-y) + 0.18rem)) scaleY(0.84) rotate(-2deg);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translate(var(--agent-assistant-body-x), calc(var(--agent-assistant-body-y) - 0.1rem)) scaleY(1.08) rotate(4deg);
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translate(var(--agent-assistant-body-x), calc(var(--agent-assistant-body-y) + 0.08rem)) scaleY(0.94) rotate(-3deg);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-arm-left {
+  0%,
+  100% {
+    transform: rotate(17deg);
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translate(-0.08rem, 0.06rem) rotate(54deg);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translate(-0.24rem, -0.38rem) rotate(152deg);
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translate(-0.1rem, -0.02rem) rotate(96deg);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-arm-right {
+  0%,
+  100% {
+    transform: rotate(-17deg);
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translate(0.08rem, 0.06rem) rotate(-54deg);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translate(0.24rem, -0.38rem) rotate(-152deg);
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translate(0.1rem, -0.02rem) rotate(-96deg);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-leg-left {
+  0%,
+  100% {
+    transform: rotate(0deg);
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translate(0.08rem, -0.22rem) rotate(82deg);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translate(-0.18rem, 0.08rem) rotate(-32deg);
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translate(0.12rem, -0.08rem) rotate(44deg);
+  }
+}
+
+@keyframes agent-fab-action-happy-jump-leg-right {
+  0%,
+  100% {
+    transform: rotate(0deg);
+  }
+
+  9%,
+  37%,
+  65% {
+    transform: translate(-0.08rem, -0.22rem) rotate(-82deg);
+  }
+
+  20%,
+  48%,
+  76% {
+    transform: translate(0.18rem, 0.08rem) rotate(32deg);
+  }
+
+  29%,
+  57%,
+  85% {
+    transform: translate(-0.12rem, -0.08rem) rotate(-44deg);
+  }
+}
+
 @keyframes agent-fab-core-pulse {
   0%,
   100% {