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feat: add Claude 4.6 models and fix OpenClaw 422 validation errors #39

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feat: add Claude 4.6 models and fix OpenClaw 422 validation errors #39

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11 changes: 7 additions & 4 deletions src/constants.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,9 +69,12 @@ async def chat_endpoint(): ...
# Models supported by Claude Agent SDK (as of November 2025)
# NOTE: Claude Agent SDK only supports Claude 4+ models, not Claude 3.x
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 4.6 Family (Latest) - RECOMMENDED
"claude-opus-4-6", # Most capable
"claude-sonnet-4-6", # Recommended - best coding model
# Claude 4.5 Family (Fall 2025)
"claude-opus-4-5-20250929",
"claude-sonnet-4-5-20250929",
"claude-haiku-4-5-20251001", # Fast & cheap
# Claude 4.1
"claude-opus-4-1-20250805", # Upgraded Opus 4
Expand All @@ -88,7 +91,7 @@ async def chat_endpoint(): ...

# 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 = os.getenv("DEFAULT_MODEL", "claude-sonnet-4-6")

# Fast model (for speed/cost optimization)
FAST_MODEL = "claude-haiku-4-5-20251001"
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32 changes: 25 additions & 7 deletions src/models.py
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Expand Up @@ -18,26 +18,44 @@ def get_default_model():
class ContentPart(BaseModel):
"""Content part for multimodal messages (OpenAI format)."""

type: Literal["text"]
text: str
type: str
text: Optional[str] = None

model_config = {"extra": "ignore"}


class Message(BaseModel):
role: Literal["system", "user", "assistant"]
content: Union[str, List[ContentPart]]
role: Literal["system", "user", "assistant", "tool"]
content: Optional[Union[str, List[Any]]] = None
name: Optional[str] = None

model_config = {"extra": "ignore"}

@model_validator(mode="after")
def normalize_content(self):
"""Convert array content to string for Claude Code compatibility."""
if self.content is None:
self.content = ""
return self

if isinstance(self.content, list):
# Extract text from content parts and concatenate
text_parts = []
for part in self.content:
if isinstance(part, ContentPart) and part.type == "text":
if isinstance(part, ContentPart) and part.text:
text_parts.append(part.text)
elif isinstance(part, dict) and part.get("type") == "text":
text_parts.append(part.get("text", ""))
elif isinstance(part, dict):
if part.get("type") == "text" and part.get("text"):
text_parts.append(part["text"])
elif part.get("type") == "tool_result":
# Extract text from tool result content
inner = part.get("content", "")
if isinstance(inner, str):
text_parts.append(inner)
elif isinstance(inner, list):
for block in inner:
if isinstance(block, dict) and block.get("text"):
text_parts.append(block["text"])

# Join all text parts with newlines
self.content = "\n".join(text_parts) if text_parts else ""
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