feat: publish Dever core with project scaffolding and versioned AI skills

.trellis/tasks/archive/2026-09/09-09-markdown-source/task.json

@@ -0,0 +1,26 @@
+{
+  "id": "markdown-source",
+  "name": "markdown-source",
+  "title": "Dever Markdown 程序源码支持",
+  "description": "保留 .dever，新增 .dever.md 源码加载、原文诊断、保留文档的格式化与定向验证",
+  "status": "completed",
+  "dev_type": null,
+  "scope": null,
+  "package": null,
+  "priority": "P2",
+  "creator": "Antigravity",
+  "assignee": "Antigravity",
+  "createdAt": "2026-09-09",
+  "completedAt": "2026-09-09",
+  "branch": "main",
+  "base_branch": "main",
+  "worktree_path": null,
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {}
+}