feat: Add agent workspace system and runtime management

- Add agent core modules (agent_core, factory, registry, skill_loader)
- Add runtime system for agent execution management
- Add REST API for agents, workspaces, and runtime control
- Add process supervisor for agent lifecycle management
- Add workspace template system with agent profiles
- Add frontend RuntimeView and runtime API integration
- Add per-agent skill workspaces for smoke_fullstack run
- Refactor skill system with active/installed separation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

runs/smoke_fullstack/skills/active/risk_review/SKILL.md

@@ -1,21 +1,21 @@
 ---
-name: risk_review
-description: Assess portfolio and market risks before final position sizing and execution.
+name: 风险审查
+description: 在最终仓位和执行前，评估组合与市场风险。
 ---
 
-# Risk Review
+# 风险审查
 
-Use this skill when you must identify concentration, volatility, leverage, and scenario risks.
+当你需要识别集中度、波动率、杠杆和情景风险时，使用这个技能。
 
-## Workflow
+## 工作流程
 
-1. Review the proposed exposure by ticker and theme.
-2. Identify concentration, volatility, liquidity, and leverage concerns.
-3. Rank warnings by severity.
-4. Translate risk findings into concrete limits or cautions for the portfolio manager.
+1. 按 ticker 和主题检查拟议敞口。
+2. 识别集中度、波动率、流动性和杠杆方面的风险点。
+3. 按严重程度排序风险警示。
+4. 将风险结论转化为给投资经理的具体限制或注意事项。
 
-## Guardrails
+## 约束
 
-- Focus on actionable risk controls.
-- Quantify limits when the available data supports it.
-- Distinguish fatal blockers from manageable risks.
+- 聚焦可执行的风险控制措施。
+- 当数据支持时尽量量化限制。
+- 明确区分致命阻断项和可管理风险。