feat: 早报系统重构与功能增强

- 新增常驻调度器 daily/scheduler.py + run-scheduler.ps1（定时生成/推送）
- 新增 daily/bridge_manager.py：Windows 兼容的 Cursor SDK 桥接
- 新增 skills/daily-featured-pick 首推 Skill 与叙事轴/去重逻辑
- 新闻抓取窗口、GitHub 搜索、企微 delta 模式等多项改进
- 补充设计文档与 superpowers 计划/规范
- 新增对应测试（scheduler、featured_pick、github_search、news_fetch_window 等）

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

tests/test_ai_news_research.py

@@ -0,0 +1,117 @@
+"""AI 时讯 deep-research 解析与企微格式。"""
+
+from __future__ import annotations
+
+import unittest
+
+from daily.format_wecom import _ai_news_lines, replace_wecom_news_sections
+from daily.news.research import parse_research_response
+
+
+class TestAiNewsResearchParse(unittest.TestCase):
+    def test_parse_items(self):
+        raw = """
+        {
+          "items": [
+            {
+              "title": "Apple sues OpenAI",
+              "link": "https://techcrunch.com/2026/07/10/apple/",
+              "source_name": "TechCrunch",
+              "desc_short": "苹果起诉 OpenAI 涉嫌窃取商业机密",
+              "published_fmt": "07-11 05:00"
+            }
+          ]
+        }
+        """
+        items, tech = parse_research_response(raw, limit=10)
+        self.assertEqual(len(items), 1)
+        self.assertEqual(items[0]["source_name"], "TechCrunch")
+        self.assertIn("苹果", items[0]["desc_short"])
+        self.assertEqual(tech, [])
+
+    def test_dedupe_links(self):
+        raw = """{"items": [
+            {"title": "A", "link": "https://example.com/a", "source_name": "Ex", "desc_short": "一"},
+            {"title": "B", "link": "https://example.com/a", "source_name": "Ex", "desc_short": "二"}
+        ]}"""
+        items, _ = parse_research_response(raw, limit=10)
+        self.assertEqual(len(items), 1)
+
+    def test_parse_tech_items(self):
+        raw = """{"items": [
+            {"title": "A", "link": "https://example.com/a", "source_name": "Ex", "desc_short": "一"}
+        ], "tech_items": [
+            {"title": "B", "link": "https://example.com/b", "source_name": "Ex", "desc_short": "二"}
+        ]}"""
+        items, tech = parse_research_response(raw, limit=10, tech_limit=5)
+        self.assertEqual(len(items), 1)
+        self.assertEqual(len(tech), 1)
+        self.assertEqual(tech[0]["title"], "B")
+
+
+class TestMergedWecomNews(unittest.TestCase):
+    def test_merged_block_format(self):
+        items = [
+            {
+                "title": "Apple sues OpenAI",
+                "link": "https://techcrunch.com/x",
+                "source_name": "TechCrunch",
+                "desc_short": "苹果起诉 OpenAI",
+                "published_fmt": "07-11 05:00",
+            }
+        ]
+        lines = _ai_news_lines(items, merged=True)
+        self.assertIn("TechCrunch - Apple sues OpenAI", lines[0])
+        self.assertIn("— 苹果起诉 OpenAI", lines[0])
+        self.assertNotIn("07-11", lines[0])
+
+    def test_merged_with_tech_block(self):
+        md = """📰 **早报**
+
+📈 **Skills Trending Top 1**
+1. skill
+"""
+        main = [
+            {"title": "Main", "link": "https://example.com/m", "source_name": "Src", "desc_short": "主条", "published_fmt": "07-11"}
+        ]
+        tech = [
+            {"title": "Tech", "link": "https://example.com/t", "source_name": "Src2", "desc_short": "技术条", "published_fmt": "07-12"}
+        ]
+        out = replace_wecom_news_sections(md, ai_news=main, tech_ai_news=tech, merged=True)
+        self.assertIn("📰 **AI 时讯精选 Top 2**", out)
+        self.assertNotIn("技术类时讯", out)
+        self.assertNotIn("🔧", out)
+        self.assertNotIn("07-11", out)
+        self.assertNotIn("07-12", out)
+        self.assertIn("2. [Src2 - Tech]", out)
+
+    def test_replace_merged_removes_split_blocks(self):
+        md = """📰 **早报**
+
+🌍 **国际 AI 时讯 Top 1**
+1. [old](https://example.com/old) · `X`
+
+🇨🇳 **国内 AI 时讯 Top 1**
+1. [old2](https://example.com/old2) · `Y`
+
+📈 **Skills Trending Top 1**
+1. skill
+"""
+        items = [
+            {
+                "title": "New story",
+                "link": "https://example.com/new",
+                "source_name": "Fortune",
+                "desc_short": "新故事",
+                "published_fmt": "",
+            }
+        ]
+        out = replace_wecom_news_sections(md, ai_news=items, merged=True)
+        self.assertIn("📰 **AI 时讯精选 Top 1**", out)
+        self.assertNotIn("国际 AI 时讯", out)
+        self.assertNotIn("国内 AI 时讯", out)
+        self.assertIn("📈 **Skills Trending Top 1**", out)
+
+
+if __name__ == "__main__":
+    unittest.main()