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Fix: Handle Claude system prompt & image format

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multipleof4
2025-09-29 12:00:34 -07:00
parent 2e8db55109
commit fc23ee1888
1 changed files with 18 additions and 2 deletions
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20
index.js
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@@ -221,10 +221,26 @@ export class MyDurableObject {
}
async streamClaude({ apiKey, body }) {
const payload = { model: body.model, messages: body.messages.map(m => ({ role: m.role, content: typeof m.content === 'string' ? m.content : m.content.map(p => p.type === 'text' ? { type: 'text', text: p.text } : p.type === 'image_url' ? { type: 'image', source: { type: 'url', url: p.image_url?.url || p.image_url } } : null).filter(Boolean) })), max_tokens: body.max_tokens || 4096, stream: true };
const systemMsg = body.messages.find(m => m.role === 'system');
const system = this.extractTextFromMessage(systemMsg) || body.system;
const payload = {
model: body.model,
messages: body.messages.filter(m => m.role !== 'system').map(m => ({
role: m.role,
content: typeof m.content === 'string' ? m.content : (m.content || []).map(p => {
if (p.type === 'text') return { type: 'text', text: p.text };
if (p.type === 'image_url') {
const match = String(p.image_url?.url || p.image_url || '').match(/^data:(image\/\w+);base64,(.*)$/);
if (match) return { type: 'image', source: { type: 'base64', media_type: match[1], data: match[2] } };
}
}).filter(Boolean)
})),
max_tokens: body.max_tokens || 4096,
stream: true,
};
if (system) payload.system = system;
if (Number.isFinite(+body.temperature)) payload.temperature = +body.temperature;
if (Number.isFinite(+body.top_p)) payload.top_p = +body.top_p;
if (body.system) payload.system = body.system;
if (body.reasoning?.enabled) payload.extended_thinking = { enabled: true, ...(body.reasoning.budget && { max_thinking_tokens: body.reasoning.budget }) };
const resp = await fetch('https://api.anthropic.com/v1/messages', { method: 'POST', headers: { 'Content-Type': 'application/json', 'x-api-key': apiKey, 'anthropic-version': '2023-06-01' }, body: JSON.stringify(payload), signal: this.controller.signal });