From 3fc19e47c49fbe7967bfdcc5b369e5e33172ec76 Mon Sep 17 00:00:00 2001
From: wangjia <809946525@qq.com>
Date: Sat, 13 Jun 2026 09:40:55 +0800
Subject: [PATCH] =?UTF-8?q?fix(web):=20=E4=BB=BB=E5=8A=A1=E6=A0=91/?=
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renderParentOptions 的 '· '.repeat(depth-1) 在 depth=0 时抛 RangeError(Invalid count value)、
renderNode 的 t.id.slice(-6) 在 id 缺失时抛 TypeError——任一都会让看板整页崩。
改为 repeat(Math.max(0,(depth||1)-1)) 与 String(t.id||'').slice。
(node:vm + 最小 DOM harness 复现并验证)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 web/app.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/web/app.js b/web/app.js
index 1afb48c..a874591 100644
--- a/web/app.js
+++ b/web/app.js
@@ -856,7 +856,7 @@ function renderTree() {
     <div class="task-node depth-${t.depth}">
       <div class="task-row ${isGate ? 'is-gate' : ''} ${expanded ? 'expanded' : ''} ${isCtx ? 'filter-ctx' : ''}" data-action="toggle-detail" data-id="${esc(t.id)}">
         ${caret}
-        <span class="t-title">${esc(t.title)}<span class="t-id">${esc(t.id.slice(-6))}</span></span>
+        <span class="t-title">${esc(t.title)}<span class="t-id">${esc(String(t.id || '').slice(-6))}</span></span>
         <span class="spacer"></span>
         ${(() => {
           // blocked（系统按依赖自动落位）→ 显示在等哪几条
@@ -1000,7 +1000,7 @@ function renderParentOptions() {
   const sel = document.querySelector('#newTaskPanel select[name=parentId]');
   const cur = sel.value;
   sel.innerHTML = `<option value="">（顶层）</option>` +
-    S.tasks.map((t) => `<option value="${esc(t.id)}">${esc('· '.repeat(t.depth - 1) + t.title)}</option>`).join('');
+    S.tasks.map((t) => `<option value="${esc(t.id)}">${esc('· '.repeat(Math.max(0, (t.depth || 1) - 1)) + t.title)}</option>`).join('');
   sel.value = cur;
 }