[Auto-Dev] Iteration 1: implement next 3 items

[JetSquirrel]

Iteration 1 — Automated Development Task

Project: longbridge-fs
Remaining items: 14
Completion: 52%
Batch size: 3 (adaptive, velocity: 0.0 items/iter)

Next items to implement

• Phase 2: 组合构建 (v0.4.0): - [ ] --auto-rebalance 模式
• Phase 3: 研究与信号 (v0.5.0): - [ ] signal/definitions/ 声明式配置
• Phase 3: 研究与信号 (v0.5.0): - [ ] 内置指标计算 (SMA_CROSS, RSI, PRICE_CHANGE)

Instructions

1. Read spec.md for the full specification
2. Read task.md for current progress
3. Implement the items listed above
4. Check off completed items in task.md
5. Create a PR with your changes

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Created by Agent Control Panel · Iteration 1