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anthropic: fix streaming with SDK by including empty fields 

Remove omitempty from Text and Thinking fields in ContentBlock struct.
The Anthropic SDK requires these fields to be present (even if empty)
in content_block_start events to properly accumulate streaming deltas.
This commit is contained in:
ParthSareen 2026-01-04 23:48:46 -08:00
parent 90cf232df2
commit 5ba2092f0a
1 changed files with 4 additions and 4 deletions
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8
anthropic/anthropic.go
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@ -82,8 +82,8 @@ type MessageParam struct {
type ContentBlock struct { type ContentBlock struct {
Type string `json:"type"` // text, image, tool_use, tool_result, thinking Type string `json:"type"` // text, image, tool_use, tool_result, thinking
// For text blocks // For text blocks (no omitempty - SDK requires field to be present for accumulation)
Text string `json:"text,omitempty"` Text string `json:"text"`
// For image blocks // For image blocks
Source *ImageSource `json:"source,omitempty"` Source *ImageSource `json:"source,omitempty"`
@ -98,8 +98,8 @@ type ContentBlock struct {
Content any `json:"content,omitempty"` // string or []ContentBlock Content any `json:"content,omitempty"` // string or []ContentBlock
IsError bool `json:"is_error,omitempty"` IsError bool `json:"is_error,omitempty"`
// For thinking blocks // For thinking blocks (no omitempty - SDK requires field to be present for accumulation)
Thinking string `json:"thinking,omitempty"` Thinking string `json:"thinking"`
Signature string `json:"signature,omitempty"` Signature string `json:"signature,omitempty"`
} }