# AGENT D35 Quick Reference: Regime API Endpoints

**Status**: ✅ **COMPLETE**
**Date**: 2025-10-17
**Lines Added**: 432

---

## What Was Implemented

### 1. Proto Definitions (98 lines)
- **TLI Proto**: 2 RPCs + 5 messages in `tli/proto/trading.proto`
- **Trading Service Proto**: 2 RPCs + 5 messages in `services/trading_service/proto/trading.proto`

### 2. API Gateway Endpoints (118 lines)
- `get_regime_state()` - Query current regime for symbol
- `get_regime_transitions()` - Query transition history

**File**: `services/api_gateway/src/grpc/trading_proxy.rs:2133-2250`

### 3. TLI Commands (165 lines)
- `tli trade ml regime --symbol ES.FUT`
- `tli trade ml transitions --symbol ES.FUT --limit 20`

**File**: `tli/src/commands/trade_ml.rs:687-840`

### 4. Tests (51 lines)
- Proto validation tests in `services/api_gateway/tests/regime_endpoint_tests.rs`

---

## Usage

### Query Current Regime
```bash
tli trade ml regime --symbol ES.FUT
```

### Query Transitions
```bash
tli trade ml transitions --symbol ES.FUT --limit 10
```

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## Next Agent

**Agent D36**: Trading Service Implementation
- Implement backend endpoints
- Query regime_states/regime_transitions tables
- End-to-end integration tests

---

## Key Files

1. `/home/jgrusewski/Work/foxhunt/tli/proto/trading.proto` (lines 90-95, 857-895)
2. `/home/jgrusewski/Work/foxhunt/services/trading_service/proto/trading.proto` (lines 56-61, 267-305)
3. `/home/jgrusewski/Work/foxhunt/services/api_gateway/src/grpc/trading_proxy.rs` (lines 2133-2250)
4. `/home/jgrusewski/Work/foxhunt/tli/src/commands/trade_ml.rs` (lines 687-840)
5. `/home/jgrusewski/Work/foxhunt/services/api_gateway/tests/regime_endpoint_tests.rs`