重构: 文档汇总+进度看板+孤儿任务清理脚本+gitignore 噪音排除

- docs/02 架构设计: 新增 aichat审查/异步审批构想/流式渲染调研/generating状态机/密钥迁移健壮性/工作流脚本执行边界/条件表达式引擎/F-07 trait下沉/Agent架构说明/任务推进构想/功能创意池;更新功能决策记录+归档/对抗论证/文档记录规范/经验记录
- docs/03 模块文档: 新增 AI对话引擎/DAG引擎详解;更新 df-knowledge/df-nodes/df-storage/df-workflow/df-ai
- docs/05 代码审查: 新增 全栈审查/全局review/架构审查/近期改动审查/工作区多角度走查/自研memo流式渲染审查
- docs/09 问题排查: 新增 aichat-apikey-401
- docs/INDEX+README 索引同步;docs/todo 待办看板(2026-06-15 汇总)
- PROGRESS.md Sprint 22-25;URGENT.md 加急清单快照(5 项 P0 已全修)
- scripts/cleanup_orphan_tasks.{py,sh} 孤儿任务清理工具
- .gitignore 补 *.broken.bak + tmp/ 噪音排除

scripts/cleanup_orphan_tasks.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+# 清理孤儿任务 — 删除不属于任何现有项目的任务记录
+# 用法：bash scripts/cleanup_orphan_tasks.sh
+#
+# 数据库路径：Windows %APPDATA%/top.1216.devflow/devflow-dev.db (dev) 或 devflow.db (release)
+
+set -euo pipefail
+
+# 自动定位数据库文件
+DB_PATH="${1:-}"
+
+if [ -z "$DB_PATH" ]; then
+    # 尝试常见路径
+    for candidate in \
+        "$APPDATA/top.1216.devflow/devflow-dev.db" \
+        "$LOCALAPPDATA/top.1216.devflow/devflow-dev.db" \
+        "$HOME/AppData/Roaming/top.1216.devflow/devflow-dev.db"; do
+        if [ -f "$candidate" ]; then
+            DB_PATH="$candidate"
+            break
+        fi
+    done
+fi
+
+if [ -z "$DB_PATH" ] || [ ! -f "$DB_PATH" ]; then
+    echo "❌ 未找到数据库文件，请手动指定路径："
+    echo "   bash scripts/cleanup_orphan_tasks.sh <db_path>"
+    echo ""
+    echo "   通常位于: %APPDATA%\\top.1216.devflow\\devflow-dev.db"
+    exit 1
+fi
+
+echo "📍 数据库: $DB_PATH"
+echo ""
+
+# 先查看孤儿任务
+echo "=== 孤儿任务列表（project_id 不在 projects 表中）==="
+sqlite3 "$DB_PATH" "
+    SELECT t.id, t.title, t.project_id
+    FROM tasks t
+    LEFT JOIN projects p ON t.project_id = p.id
+    WHERE p.id IS NULL
+    ORDER BY t.project_id, t.created_at;
+"
+echo ""
+
+# 统计数量
+COUNT=$(sqlite3 "$DB_PATH" "
+    SELECT COUNT(*)
+    FROM tasks t
+    LEFT JOIN projects p ON t.project_id = p.id
+    WHERE p.id IS NULL;
+")
+
+echo "📊 孤儿任务总数: $COUNT"
+echo ""
+
+if [ "$COUNT" -eq 0 ]; then
+    echo "✅ 无孤儿任务，无需清理。"
+    exit 0
+fi
+
+read -p "确认删除以上 $COUNT 条孤儿任务？(y/N) " confirm
+if [ "$confirm" != "y" ] && [ "$confirm" != "Y" ]; then
+    echo "已取消。"
+    exit 0
+fi
+
+# 执行删除
+sqlite3 "$DB_PATH" "
+    DELETE FROM tasks
+    WHERE project_id NOT IN (SELECT id FROM projects);
+"
+
+echo "✅ 已删除 $COUNT 条孤儿任务。"