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

.trellis/tasks/09-29-build-cache-storage/task.json

@@ -0,0 +1,26 @@
+{
+  "id": "build-cache-storage",
+  "name": "build-cache-storage",
+  "title": "Dever 构建缓存与磁盘占用治理",
+  "description": "降低 Rust 测试和原生运行时构建占用，可靠清理临时产物并提供统一清理命令",
+  "status": "in_progress",
+  "dev_type": null,
+  "scope": null,
+  "package": null,
+  "priority": "P2",
+  "creator": "Antigravity",
+  "assignee": "Antigravity",
+  "createdAt": "2026-09-29",
+  "completedAt": null,
+  "branch": "main",
+  "base_branch": "main",
+  "worktree_path": null,
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {}
+}