feat: 初始化 SCALE OS 工程框架

- 添加 SCALE Engine 配置 (.scale/)
- 添加 OpenClaw Agent 配置 (.openclaw/)
- 添加知识文档 (AGENTS.md, TOOLS.md)
- 添加质量契约和工作流配置
- 添加 22 个工作流模板
- 添加验证脚本和门控脚本
- 添加 skills-registry 技能注册表

docs/workflow/templates/skill-plan.md

@@ -0,0 +1,39 @@
+# Skill Plan
+
+## Detected Intents
+
+| Domain | Score | Evidence |
+| --- | ---: | --- |
+|  |  |  |
+
+## Required Skills
+
+- TBD
+
+## Recommended Skills
+
+- TBD
+
+## Required Artifacts
+
+- TBD
+
+## Required Verification Evidence
+
+- TBD
+
+## Tool Orchestration
+
+| Capability | Primary Tool Or Skill | Fallback | Required Evidence |
+| --- | --- | --- | --- |
+| UI/UX design | frontend-design, ui-ux-pro-max | awesome-design-md | design-system, ui-spec.md, visual-review.md |
+| Web research or logged-in pages | web-access | agent-browser, Chrome DevTools MCP | source citations, browser evidence |
+| Browser E2E | webapp-testing, Playwright | agent-browser, web-access | screenshot, console, network evidence |
+| Desktop GUI automation | CUA/computer-use | manual verification | desktop screenshot, operator-safety notes |
+| External agent CLI | codex/gemini/opencode CLI | manual review | version check, exact command output |
+
+## Skipped Skills
+
+| Skill | Reason | Fallback Evidence |
+| --- | --- | --- |
+|  |  |  |