feat(ui): show hidden floor count and render limit

index.js

@@ -4953,11 +4953,119 @@ function getMessageHideSettings(settings = null) {
   };
 }
 
+function getMessageRenderLimitSettings(settings = null) {
+  let sourceSettings = settings;
+  if (!sourceSettings || typeof sourceSettings !== "object") {
+    try {
+      sourceSettings =
+        typeof getSettings === "function" ? getSettings() : {};
+    } catch {
+      sourceSettings = {};
+    }
+  }
+  return {
+    enabled:
+      sourceSettings.enabled !== false &&
+      Boolean(sourceSettings.hideOldMessagesRenderLimitEnabled),
+    render_last_n: Math.max(
+      0,
+      Math.trunc(Number(sourceSettings.hideOldMessagesRenderLimit ?? 0) || 0),
+    ),
+  };
+}
+
+function getHostPowerUserSettings() {
+  try {
+    const context = typeof getContext === "function" ? getContext() : null;
+    return (
+      context?.power_user ||
+      context?.powerUserSettings ||
+      globalThis.power_user ||
+      null
+    );
+  } catch {
+    return globalThis.power_user || null;
+  }
+}
+
+function applyMessageRenderLimit(settings = null, options = {}) {
+  const normalized = getMessageRenderLimitSettings(settings);
+  const shouldClear = options.clearWhenDisabled === true;
+  if (!normalized.enabled && !shouldClear) {
+    return {
+      active: false,
+      renderLimit: 0,
+      applied: false,
+      skipped: true,
+    };
+  }
+
+  const renderLimit =
+    normalized.enabled && normalized.render_last_n > 0
+      ? normalized.render_last_n
+      : 0;
+  let applied = false;
+  const powerUserSettings = getHostPowerUserSettings();
+  if (powerUserSettings && typeof powerUserSettings === "object") {
+    powerUserSettings.chat_truncation = renderLimit;
+    applied = true;
+  }
+
+  try {
+    const jq = typeof $ === "function" ? $ : null;
+    if (jq) {
+      const value = String(renderLimit);
+      const truncationInput = jq("#chat_truncation");
+      if (
+        truncationInput &&
+        Number(truncationInput.length || 0) > 0 &&
+        typeof truncationInput.val === "function"
+      ) {
+        truncationInput.val(value);
+        if (typeof truncationInput.trigger === "function") {
+          truncationInput.trigger("change");
+        }
+        applied = true;
+      }
+      const truncationCounter = jq("#chat_truncation_counter");
+      if (
+        truncationCounter &&
+        Number(truncationCounter.length || 0) > 0 &&
+        typeof truncationCounter.val === "function"
+      ) {
+        truncationCounter.val(value);
+        applied = true;
+      }
+    }
+  } catch (error) {
+    console.warn("[ST-BME] 同步聊天区渲染楼层限制失败:", error);
+  }
+
+  if (options.reloadCurrentChat === true) {
+    try {
+      const context = typeof getContext === "function" ? getContext() : null;
+      if (typeof context?.reloadCurrentChat === "function") {
+        context.reloadCurrentChat();
+      }
+    } catch (error) {
+      console.warn("[ST-BME] 重新加载聊天区渲染楼层失败:", error);
+    }
+  }
+
+  return {
+    active: renderLimit > 0,
+    renderLimit,
+    applied,
+    skipped: false,
+  };
+}
+
 function getHideRuntimeAdapters() {
   return {
     $,
     clearTimeout,
     getContext,
+    refreshPanelLiveState,
     setTimeout,
   };
 }
@@ -4969,6 +5077,7 @@ async function applyMessageHideNow(reason = "manual-apply") {
       getHideRuntimeAdapters(),
     );
     debugLog("[ST-BME] 已应用旧楼层隐藏:", reason, result);
+    refreshPanelLiveState();
     return result;
   } catch (error) {
     console.warn("[ST-BME] 应用旧楼层隐藏失败:", reason, error);
@@ -5000,6 +5109,7 @@ async function runIncrementalMessageHide(reason = "incremental") {
     if (result?.active) {
       debugLog("[ST-BME] 已增量更新旧楼层隐藏:", reason, result);
     }
+    refreshPanelLiveState();
     return result;
   } catch (error) {
     console.warn("[ST-BME] 增量更新旧楼层隐藏失败:", reason, error);
@@ -5014,6 +5124,7 @@ function clearMessageHideState(reason = "reset") {
   try {
     resetHideState(getHideRuntimeAdapters());
     debugLog("[ST-BME] 已重置旧楼层隐藏状态:", reason);
+    refreshPanelLiveState();
   } catch (error) {
     console.warn("[ST-BME] 重置旧楼层隐藏状态失败:", reason, error);
   }
@@ -5023,6 +5134,7 @@ async function clearAllHiddenMessages(reason = "manual-clear") {
   try {
     const result = await unhideAll(getHideRuntimeAdapters());
     debugLog("[ST-BME] 已取消全部旧楼层隐藏:", reason, result);
+    refreshPanelLiveState();
     return result;
   } catch (error) {
     console.warn("[ST-BME] 取消全部旧楼层隐藏失败:", reason, error);
@@ -12368,6 +12480,10 @@ function refreshPanelLiveState() {
   });
 }
 
+function getMessageHideStateSnapshotForPanel() {
+  return getHideStateSnapshot();
+}
+
 function notifyStatusToast(key, kind, message, title = "ST-BME") {
   const now = Date.now();
   if (now - (lastStatusToastAt[key] || 0) < STATUS_TOAST_THROTTLE_MS) return;
@@ -13080,6 +13196,11 @@ function updateModuleSettings(patch = {}) {
     "hideOldMessagesEnabled",
     "hideOldMessagesKeepLastN",
   ]);
+  const messageRenderLimitKeys = new Set([
+    "enabled",
+    "hideOldMessagesRenderLimitEnabled",
+    "hideOldMessagesRenderLimit",
+  ]);
   const recallUiKeys = new Set(["recallCardUserInputDisplayMode"]);
   const noticeUiKeys = new Set(["noticeDisplayMode"]);
   const settings = getSettings();
@@ -13147,6 +13268,14 @@ function updateModuleSettings(patch = {}) {
     }
   }
 
+  if (Object.keys(patch).some((key) => messageRenderLimitKeys.has(key))) {
+    const renderResult = applyMessageRenderLimit(settings, {
+      clearWhenDisabled: true,
+      reloadCurrentChat: true,
+    });
+    debugLog("[ST-BME] 已同步聊天区渲染楼层限制:", renderResult);
+  }
+
   if (Object.keys(patch).some((key) => recallUiKeys.has(key))) {
     schedulePersistedRecallMessageUiRefresh(30);
   }
@@ -19834,6 +19963,7 @@ async function onCompactLukerSidecar() {
     document,
     getGraph: () => currentGraph,
     getGraphPersistenceState: () => getGraphPersistenceLiveState(),
+    getHideStateSnapshot: () => getMessageHideStateSnapshotForPanel(),
     getLastBatchStatus: () =>
       currentGraph?.historyState?.lastBatchStatus || null,
     getLastExtract: () => lastExtractedItems,
@@ -19864,6 +19994,7 @@ async function onCompactLukerSidecar() {
     scheduleBmeIndexedDbWarmup("init");
     initializeHostCapabilityBridge();
     installSendIntentHooks();
+    applyMessageRenderLimit(getSettings());
     autoSyncOnVisibility(buildBmeSyncRuntimeOptions());
     scheduleMessageHideApply("init", 180);