.env.example

# ==============================================================================
# IntrinTrans LangGraph environment configuration template
# ==============================================================================
# Copy this file to .env and fill in the actual values:
#   cp .env.example .env
# ==============================================================================

# ── LLM configuration ──
OPENAI_API_KEY=sk-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
# Recommended: use OpenRouter to route LLM requests
OPENAI_BASE_URL=https://openrouter.ai/api/v1
# Or use OpenAI directly:
# OPENAI_BASE_URL=https://api.openai.com/v1

# Default model to use
OPENAI_MODEL=deepseek/deepseek-v3

# API timeout in seconds
OPENAI_TIMEOUT=600

# Maximum retry attempts
MAX_RETRIES=3

# ── LLM Reasoning control ──
# Enable deep reasoning mode (effective for models that support reasoning,
# e.g. DeepSeek-R1, Claude 3.7 Sonnet; silently ignored for others)
LLM_REASONING_ENABLED=true

# Reasoning effort level: low / medium / high (mutually exclusive with MAX_TOKENS)
# Leave blank to use model default reasoning budget
LLM_REASONING_EFFORT=

# Reasoning max token budget (mutually exclusive with EFFORT; 0 = disabled)
# LLM_REASONING_MAX_TOKENS=0

# ── Remote RISC-V device (optional, for hardware testing) ──
# SSH jump host configuration
JUMP_HOST=

# RISC-V device SSH connection string
RISCV_DEVICE_HOST=

# ── RISC-V cross-compilation toolchain ──
# Directory containing riscv64-unknown-linux-gnu-gcc/g++ (prepended to PATH during builds)
RISCV_TOOLCHAIN_PATH=

# ── QEMU emulator (for local testing) ──
# Path to qemu-riscv64 binary
QEMU_BIN=/path/to/qemu-riscv64

# ── VecIntrinBench path configuration ──
# Path to the VecIntrinBench directory
VECINTRINS_BASE_PATH=./VecIntrinBench

# Test directory (relative to VECINTRINS_BASE_PATH)
TEST_DIR=test/

# Performance test directory (relative to VECINTRINS_BASE_PATH)
PERFORMANCE_TEST_DIR=perf/

# ── Register liveness analysis script ──
# Path to test_max_vector_liveness.sh
REGISTER_LIVENESS_SCRIPT=/path/to/test_max_vector_liveness.sh

# ==============================================================================
# LangGraph workflow configuration
# ==============================================================================
# Max translation attempts (compile+test failures both count toward this limit)
MAX_TRANSLATION_ATTEMPTS=10

# Max optimization iterations
MAX_OPTIMIZATION_ATTEMPTS=3

# Max fix attempts per optimization version
MAX_FIX_ATTEMPTS=5

# Enable checkpointing (resumable execution)
ENABLE_CHECKPOINTING=false

# Translation result output directory
OUTPUT_DIR=output