Improve story summary logging

modules/story-summary/story-summary.js

@@ -109,6 +109,26 @@ let vectorAbortController = null;
 let lastSentUserMessage = null;
 let lastSentTimestamp = 0;
 
+function captureUserInput() {
+    const text = $("#send_textarea").val();
+    if (text?.trim()) {
+        lastSentUserMessage = text.trim();
+        lastSentTimestamp = Date.now();
+    }
+}
+
+function onSendPointerdown(e) {
+    if (e.target?.closest?.("#send_but")) {
+        captureUserInput();
+    }
+}
+
+function onSendKeydown(e) {
+    if (e.key === "Enter" && !e.shiftKey && e.target?.closest?.("#send_textarea")) {
+        captureUserInput();
+    }
+}
+
 let hideApplyTimer = null;
 const HIDE_APPLY_DEBOUNCE_MS = 250;
 
@@ -1483,6 +1503,10 @@ function registerEvents() {
     eventSource.on(event_types.USER_MESSAGE_RENDERED, (data) => setTimeout(() => handleMessageRendered(data), 50));
     eventSource.on(event_types.CHARACTER_MESSAGE_RENDERED, (data) => setTimeout(() => handleMessageRendered(data), 50));
 
+    // 用户输入捕获（原生捕获阶段）
+    document.addEventListener("pointerdown", onSendPointerdown, true);
+    document.addEventListener("keydown", onSendKeydown, true);
+
     // 注入链路
     eventSource.on(event_types.GENERATION_STARTED, handleGenerationStarted);
     eventSource.on(event_types.GENERATION_STOPPED, clearExtensionPrompt);
@@ -1497,6 +1521,9 @@ function unregisterEvents() {
     hideOverlay();
 
     clearExtensionPrompt();
+
+    document.removeEventListener("pointerdown", onSendPointerdown, true);
+    document.removeEventListener("keydown", onSendKeydown, true);
 }
 
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