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>

daily/github/search.py

@@ -43,38 +43,59 @@ def search_github_repos(
         logger.warning("GitHub Search 需要 GITHUB_TOKEN: %s", query[:80])
         return []
 
+    target = max(1, min(int(limit), 1000))
+    per_page = min(100, target)
+    repos: list[dict[str, Any]] = []
+    seen: set[str] = set()
+    page = 1
+
     try:
         with httpx.Client(
             timeout=20.0,
             verify=certifi.where(),
             headers=github_api_headers(),
         ) as client:
-            resp = client.get(
-                "https://api.github.com/search/repositories",
-                params={
-                    "q": query,
-                    "sort": sort,
-                    "order": "desc",
-                    "per_page": min(max(limit, 1), 30),
-                },
-            )
-            if resp.status_code != 200:
-                logger.warning("GitHub Search 失败 (%s): %s", resp.status_code, query[:80])
-                return []
-            items = resp.json().get("items") or []
+            while len(repos) < target:
+                resp = client.get(
+                    "https://api.github.com/search/repositories",
+                    params={
+                        "q": query,
+                        "sort": sort,
+                        "order": "desc",
+                        "per_page": per_page,
+                        "page": page,
+                    },
+                )
+                if resp.status_code != 200:
+                    logger.warning(
+                        "GitHub Search 失败 (%s page=%s): %s",
+                        resp.status_code,
+                        page,
+                        query[:80],
+                    )
+                    break
+                items = resp.json().get("items") or []
+                if not items:
+                    break
+                for item in items:
+                    full_name = item.get("full_name") or ""
+                    if not full_name or full_name in seen:
+                        continue
+                    seen.add(full_name)
+                    repos.append(_repo_from_api_item(item, source="api-search"))
+                    if len(repos) >= target:
+                        break
+                if len(items) < per_page:
+                    break
+                page += 1
+                # Search API 最多约 1000 条 / 10 页
+                if page > 10:
+                    break
     except Exception as exc:
         logger.warning("GitHub Search 异常: %s", exc)
-        return []
+        return repos[:target]
 
-    repos: list[dict[str, Any]] = []
-    for item in items:
-        full_name = item.get("full_name") or ""
-        if not full_name:
-            continue
-        repos.append(_repo_from_api_item(item, source="api-search"))
-        if len(repos) >= limit:
-            break
-    return repos
+    return repos[:target]
 
 
 def _date_days_ago(days: int) -> str: