Create .env

.env

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+# =============================================================================
+# Research AI Assistant API - Environment Configuration
+# =============================================================================
+# Copy this content to a file named .env and fill in your actual values
+# Never commit .env to version control!
+
+# =============================================================================
+# Novita AI Configuration (REQUIRED)
+# =============================================================================
+# Get your API key from: https://novita.ai
+NOVITA_API_KEY=sk_gaMaeJaUy-qQxms1NIgJuov_RotL_NZXMoQbJlNhS6M
+
+# Dedicated endpoint base URL (default for dedicated endpoints)
+NOVITA_BASE_URL=https://api.novita.ai/dedicated/v1/openai
+
+# Your dedicated endpoint model ID
+# Format: model-name:endpoint-id
+NOVITA_MODEL=deepseek-ai/DeepSeek-R1-Distill-Qwen-7B:de-1a706eeafbf3ebc2
+
+# =============================================================================
+# DeepSeek-R1 Optimized Settings
+# =============================================================================
+# Temperature: 0.5-0.7 range (0.6 recommended for DeepSeek-R1)
+DEEPSEEK_R1_TEMPERATURE=0.6
+
+# Force reasoning trigger: Enable to ensure DeepSeek-R1 uses reasoning pattern
+# Set to True to add `<think>` prefix for reasoning tasks
+DEEPSEEK_R1_FORCE_REASONING=True
+
+# =============================================================================
+# Token Allocation Configuration
+# =============================================================================
+# Maximum tokens dedicated for user input (prioritized over context)
+# Recommended: 8000 tokens for large queries
+USER_INPUT_MAX_TOKENS=8000
+
+# Maximum tokens for context preparation (includes user input + context)
+# Recommended: 28000 tokens for 32K context window models
+CONTEXT_PREPARATION_BUDGET=28000
+
+# Context pruning threshold (should match context_preparation_budget)
+CONTEXT_PRUNING_THRESHOLD=28000
+
+# Always prioritize user input over historical context
+PRIORITIZE_USER_INPUT=True
+
+# =============================================================================
+# Database Configuration
+# =============================================================================
+# SQLite database path (default: sessions.db)
+# Use /tmp/ for Docker/containerized environments
+DB_PATH=sessions.db
+
+# FAISS index path for embeddings (default: embeddings.faiss)
+FAISS_INDEX_PATH=embeddings.faiss
+
+# =============================================================================
+# Cache Configuration
+# =============================================================================
+# HuggingFace cache directory (for any remaining model downloads)
+HF_HOME=~/.cache/huggingface
+TRANSFORMERS_CACHE=~/.cache/huggingface
+
+# HuggingFace token (optional - only needed if using gated models)
+HF_TOKEN=
+
+# Cache TTL in seconds (default: 3600 = 1 hour)
+CACHE_TTL=3600
+
+# =============================================================================
+# Session Configuration
+# =============================================================================
+# Session timeout in seconds (default: 3600 = 1 hour)
+SESSION_TIMEOUT=3600
+
+# Maximum session size in megabytes (default: 10 MB)
+MAX_SESSION_SIZE_MB=10
+
+# =============================================================================
+# Performance Configuration
+# =============================================================================
+# Maximum worker threads for parallel processing (default: 4)
+MAX_WORKERS=4
+
+# =============================================================================
+# Mobile Optimization
+# =============================================================================
+# Maximum tokens for mobile responses (default: 1200)
+# Increased from 800 to allow better responses on mobile
+MOBILE_MAX_TOKENS=1200
+
+# Mobile request timeout in milliseconds (default: 15000)
+MOBILE_TIMEOUT=15000
+
+# =============================================================================
+# API Configuration
+# =============================================================================
+# Flask/Gradio server port (default: 7860)
+GRADIO_PORT=7860
+
+# Server host (default: 0.0.0.0 for all interfaces)
+GRADIO_HOST=0.0.0.0
+
+# =============================================================================
+# Logging Configuration
+# =============================================================================
+# Logging level: DEBUG, INFO, WARNING, ERROR, CRITICAL (default: INFO)
+LOG_LEVEL=INFO
+
+# Log format: json or text (default: json)
+LOG_FORMAT=json
+
+# Log directory (default: /tmp/logs)
+LOG_DIR=/tmp/logs
+
+# =============================================================================
+# Context Configuration
+# =============================================================================
+# Maximum context tokens (default: 4000)
+# Note: This is overridden by CONTEXT_PREPARATION_BUDGET if set
+MAX_CONTEXT_TOKENS=4000
+
+# Cache TTL for context in seconds (default: 300 = 5 minutes)
+CACHE_TTL_SECONDS=300
+
+# Maximum cache size (default: 100)
+MAX_CACHE_SIZE=100
+
+# Enable parallel processing (default: True)
+PARALLEL_PROCESSING=True
+
+# Context decay factor (default: 0.8)
+CONTEXT_DECAY_FACTOR=0.8
+
+# Maximum interactions to keep in context (default: 10)
+MAX_INTERACTIONS_TO_KEEP=10
+
+# Enable metrics collection (default: True)
+ENABLE_METRICS=True
+
+# Enable context compression (default: True)
+COMPRESSION_ENABLED=True
+
+# Summarization threshold in tokens (default: 2000)
+SUMMARIZATION_THRESHOLD=2000
+
+# =============================================================================
+# Model Selection (for context operations - if still using local models)
+# =============================================================================
+# These are optional and only used if local models are still needed
+# for context summarization or other operations
+CONTEXT_SUMMARIZATION_MODEL=Qwen/Qwen2.5-7B-Instruct
+CONTEXT_INTENT_MODEL=Qwen/Qwen2.5-7B-Instruct
+CONTEXT_SYNTHESIS_MODEL=Qwen/Qwen2.5-7B-Instruct
+
+# =============================================================================
+# Security Notes
+# =============================================================================
+# - Never commit .env file to version control
+# - Keep API keys secret and rotate them regularly
+# - Use environment variables in production (not .env files)
+# - Set proper file permissions: chmod 600 .env
+