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Update constants.py #45

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109 changes: 39 additions & 70 deletions src/constants.py
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"""
Constants and configuration for Claude Code OpenAI Wrapper.

Single source of truth for tool names, models, and other configuration values.

Usage Examples:
# Check if a model is supported
from src.constants import CLAUDE_MODELS
if model_name in CLAUDE_MODELS:
# proceed with request

# Get default allowed tools
from src.constants import DEFAULT_ALLOWED_TOOLS
options = {"allowed_tools": DEFAULT_ALLOWED_TOOLS}

# Use rate limits in FastAPI
from src.constants import RATE_LIMIT_CHAT
@limiter.limit(f"{RATE_LIMIT_CHAT}/minute")
async def chat_endpoint(): ...

Note:
- Tool configurations are managed by ToolManager (see tool_manager.py)
- Model validation uses graceful degradation (warns but allows unknown models)
- Rate limits can be overridden via environment variables
...
"""

import os

# Claude Agent SDK Tool Names
# These are the built-in tools available in the Claude Agent SDK
# See: https://docs.anthropic.com/en/docs/claude-code/sdk
CLAUDE_TOOLS = [
"Task", # Launch agents for complex tasks
"Bash", # Execute bash commands
"Glob", # File pattern matching
"Grep", # Search file contents
"Read", # Read files
"Edit", # Edit files
"Write", # Write files
"NotebookEdit", # Edit Jupyter notebooks
"WebFetch", # Fetch web content
"TodoWrite", # Manage todo lists
"WebSearch", # Search the web
"BashOutput", # Get bash output
"KillShell", # Kill bash shells
"Skill", # Execute skills
"SlashCommand", # Execute slash commands
]

# Default tools to allow when tools are enabled
# Subset of CLAUDE_TOOLS that are safe and commonly used
DEFAULT_ALLOWED_TOOLS = [
"Read",
"Task",
"Bash",
"Glob",
"Grep",
"Bash",
"Write",
"Read",
"Edit",
"Write",
"NotebookEdit",
"WebFetch",
"TodoWrite",
"WebSearch",
"BashOutput",
"KillShell",
"Skill",
"SlashCommand",
]

# Tools to disallow by default (potentially dangerous or slow)
DEFAULT_DISALLOWED_TOOLS = [
"Task", # Can spawn sub-agents
"WebFetch", # External network access
"WebSearch", # External network access
]
DEFAULT_ALLOWED_TOOLS = ["Read", "Glob", "Grep", "Bash", "Write", "Edit"]

DEFAULT_DISALLOWED_TOOLS = ["Task", "WebFetch", "WebSearch"]

# Claude Models
# Models supported by Claude Agent SDK (as of November 2025)
# NOTE: Claude Agent SDK only supports Claude 4+ models, not Claude 3.x
# Active models as of May 2026 per https://platform.claude.com/docs/en/about-claude/models/overview
# NOTE: claude-sonnet-4-20250514 and claude-opus-4-20250514 were retired April 20, 2026.
CLAUDE_MODELS = [
# Claude 4.5 Family (Latest - Fall 2025) - RECOMMENDED
"claude-opus-4-5-20250929", # Latest Opus 4.5 - Most capable
"claude-sonnet-4-5-20250929", # Recommended - best coding model
"claude-haiku-4-5-20251001", # Fast & cheap
# Claude 4.7 (Latest Opus - April 2026)
"claude-opus-4-7", # Most capable; step-change agentic coding improvement

# Claude 4.6 Family (February 2026) - RECOMMENDED for most use cases
"claude-opus-4-6", # Max reasoning depth; complex multi-step tasks
"claude-sonnet-4-6", # Best speed/intelligence balance; daily driver

# Claude 4.5 Family (Fall 2025)
"claude-opus-4-5-20250929", # Opus 4.5 - deep reasoning, coding, computer use
"claude-sonnet-4-5-20250929", # Sonnet 4.5 - agents, coding, office files
"claude-haiku-4-5-20251001", # Fastest; cost-efficient; near-frontier intelligence

# Claude 4.1
"claude-opus-4-1-20250805", # Upgraded Opus 4
# Claude 4.0 Family (Original - May 2025)
"claude-opus-4-20250514",
"claude-sonnet-4-20250514",
"claude-opus-4-1-20250805", # Opus 4.1 - agentic search, expert coding

# Claude 4.0 Family - DEPRECATED, retiring June 15, 2026
# "claude-opus-4-20250514", # Retired April 20, 2026
# "claude-sonnet-4-20250514", # Retired April 20, 2026

# Claude 3.x Family - NOT SUPPORTED by Claude Agent SDK
# These models work with Anthropic API but NOT with Claude Code
# Uncomment only if using direct Anthropic API (not Claude Agent SDK)
# "claude-3-7-sonnet-20250219",
# "claude-3-5-sonnet-20241022",
# "claude-3-5-haiku-20241022",
]

# Default model (recommended for most use cases)
# Can be overridden via DEFAULT_MODEL environment variable
DEFAULT_MODEL = os.getenv("DEFAULT_MODEL", "claude-sonnet-4-5-20250929")
# Default model — Sonnet 4.6 is preferred by ~70% of devs; Opus-level quality at Sonnet price
DEFAULT_MODEL = os.getenv("DEFAULT_MODEL", "claude-sonnet-4-6")

# Fast model (for speed/cost optimization)
# Fast model for speed/cost optimization
FAST_MODEL = "claude-haiku-4-5-20251001"

# System Prompt Types
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