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https://github.com/Nezumi-2711/9router.git
synced 2026-09-22 13:38:31 +00:00
feat(ponytail): introduce "Ponytail" feature for minimalistic code generation
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@@ -4,6 +4,7 @@ import { ROLE, CLAUDE_BLOCK } from "../schema/index.js";
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import { adjustMaxTokens } from "./maxTokens.js";
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import { applyCloaking } from "../../utils/claudeCloaking.js";
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import { resolveSessionId } from "../../utils/sessionManager.js";
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import { isValidClaudeSignature } from "../../utils/claudeSignature.js";
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import { PROVIDERS } from "../../providers/index.js";
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import { getCapabilitiesForModel } from "../../providers/capabilities.js";
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import { DEFAULT_MAX_TOKENS } from "../../config/runtimeConfig.js";
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@@ -213,14 +214,26 @@ export function prepareClaudeRequest(body, provider = null, apiKey = null, conne
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let hasToolUse = false;
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let hasThinking = false;
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// Always replace signature for all thinking blocks
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// Claude native: preserve valid signatures, drop invalid blocks.
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// anthropic-compatible: replace with default (safe fallback for lenient upstreams).
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const isClaudeNative = provider === "claude";
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const kept = [];
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for (const block of msg.content) {
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if (block.type === CLAUDE_BLOCK.THINKING || block.type === CLAUDE_BLOCK.REDACTED_THINKING) {
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block.signature = DEFAULT_THINKING_CLAUDE_SIGNATURE;
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const isThinking = block.type === CLAUDE_BLOCK.THINKING || block.type === CLAUDE_BLOCK.REDACTED_THINKING;
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if (isThinking) {
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hasThinking = true;
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if (isClaudeNative) {
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if (isValidClaudeSignature(block.signature)) kept.push(block);
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} else {
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block.signature = DEFAULT_THINKING_CLAUDE_SIGNATURE;
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kept.push(block);
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}
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continue;
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}
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if (block.type === CLAUDE_BLOCK.TOOL_USE) hasToolUse = true;
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kept.push(block);
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}
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msg.content = kept;
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// Add thinking block if thinking enabled + has tool_use but no thinking
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if (thinkingEnabled && !hasThinking && hasToolUse) {
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