diff --git a/.memory/worklog.json b/.memory/worklog.json
index d91369b..222387b 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1,18 +1,5 @@
 {
   "entries": [
-    {
-      "files_changed": 4,
-      "hash": "3026319",
-      "message": "auto-save 2026-05-14 01:00 (+2, ~2)",
-      "ts": "2026-05-14T01:00:24+08:00",
-      "type": "commit"
-    },
-    {
-      "files_changed": 2,
-      "message": "Claude 会话活跃 · 最近命令：claude · 2 项未提交变更 · 最近提交：auto-save 2026-05-14 01:00 (+2, ~2)",
-      "ts": "2026-05-13T17:03:10Z",
-      "type": "session-heartbeat"
-    },
     {
       "files_changed": 7,
       "hash": "3684917",
@@ -3251,6 +3238,19 @@
       "message": "auto-save 2026-05-15 16:16 (~1)",
       "hash": "e262285",
       "files_changed": 1
+    },
+    {
+      "ts": "2026-05-15T16:22:15+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-15 16:22 (~1)",
+      "hash": "36eb205",
+      "files_changed": 1
+    },
+    {
+      "ts": "2026-05-15T08:24:47Z",
+      "type": "session-heartbeat",
+      "message": "Codex 会话活跃 · 最近命令：codex · 1 项未提交变更 · 最近提交：auto-save 2026-05-15 16:22 (~1)",
+      "files_changed": 1
     }
   ]
 }
diff --git a/docs/source-analysis.html b/docs/source-analysis.html
index cb87a0a..b8a8287 100644
--- a/docs/source-analysis.html
+++ b/docs/source-analysis.html
@@ -942,6 +942,17 @@ SubjectAsset {
         <h2>变更记录</h2>
         <p>这个记录不是 git log 的替代品。它记录“产品理解发生了什么变化、影响了哪些源码、你以后描述需求时该怎么说”。后续每次改功能都要补一条。</p>
         <div class="changelog">
+          <article class="change">
+            <header>
+              <h3>2026-05-15 · 登录页角色取消默认上下浮动</h3>
+              <span class="tag rose">UI</span>
+            </header>
+            <div class="body">
+              <p><strong>问题：</strong>角色舞台默认挂了 <code>login-stage-breathe</code> 无限循环，导致四个角色在登录页一直上下移动。</p>
+              <p><strong>改动：</strong>移除默认呼吸动画，角色平时固定贴底；错误态只保留短暂横向抖动，成功态保留一次性反馈动画。</p>
+              <p><strong>影响：</strong><code>web/app/globals.css</code>、<code>docs/source-analysis.html</code>。</p>
+            </div>
+          </article>
           <article class="change">
             <header>
               <h3>2026-05-15 · 登录页角色组件重构</h3>
diff --git a/web/app/globals.css b/web/app/globals.css
index 6b58f52..9c30a60 100644
--- a/web/app/globals.css
+++ b/web/app/globals.css
@@ -204,7 +204,6 @@
   height: 400px;
   transform: translateX(-50%) scale(0.74);
   transform-origin: bottom center;
-  animation: login-stage-breathe 7s ease-in-out infinite;
 }
 .login-figure {
   position: absolute;
@@ -412,7 +411,7 @@
   transform: translate(-8px, -6px);
 }
 .login-character-stage[data-mood="error"] .login-characters-container {
-  animation: login-stage-breathe 7s ease-in-out infinite, login-shake 0.28s ease-in-out 2;
+  animation: login-shake 0.28s ease-in-out 2;
 }
 .login-character-stage[data-mood="error"] .login-eye {
   height: 10px;
@@ -442,10 +441,6 @@
 .login-character-stage[data-mood="success"] .login-yellow-mouth path {
   d: path("M0 6 Q20 18, 40 18 Q60 18, 80 6");
 }
-@keyframes login-stage-breathe {
-  0%, 100% { translate: 0 0; }
-  50% { translate: 0 -8px; }
-}
 @keyframes login-shake {
   0%, 100% { translate: 0 0; }
   33% { translate: -5px 0; }
@@ -465,7 +460,6 @@
   }
 }
 @media (prefers-reduced-motion: reduce) {
-  .login-characters-container,
   .login-character-stage[data-mood="error"] .login-characters-container,
   .login-character-stage[data-mood="success"] .login-characters-container {
     animation: none;