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Add Google Gemini CLI and Antigravity OAuth providers

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- Add google-gemini-cli provider: free Gemini 2.0/2.5 via Cloud Code Assist
- Add google-antigravity provider: free Gemini 3, Claude, GPT-OSS via sandbox
- Move OAuth infrastructure from coding-agent to ai package
- Fix thinking signature handling for cross-model handoff
- Fix OpenAI message ID length limit (max 64 chars)
- Add GitHub Copilot overflow pattern detection
- Add OAuth provider tests for context overflow and streaming
This commit is contained in:
Mario Zechner 2025-12-20 18:21:32 +01:00
parent 3266cac0f1
commit c359023c3f
25 changed files with 1392 additions and 413 deletions
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25
packages/ai/src/providers/openai-responses.ts
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@ -30,6 +30,20 @@ import { sanitizeSurrogates } from "../utils/sanitize-unicode.js";
import { transformMessages } from "./transorm-messages.js";
/** Fast deterministic hash to shorten long strings */
function shortHash(str: string): string {
let h1 = 0xdeadbeef;
let h2 = 0x41c6ce57;
for (let i = 0; i < str.length; i++) {
const ch = str.charCodeAt(i);
h1 = Math.imul(h1 ^ ch, 2654435761);
h2 = Math.imul(h2 ^ ch, 1597334677);
}
h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
return (h2 >>> 0).toString(36) + (h1 >>> 0).toString(36);
}
// OpenAI Responses-specific options
export interface OpenAIResponsesOptions extends StreamOptions {
reasoningEffort?: "minimal" | "low" | "medium" | "high" | "xhigh";
@ -401,6 +415,7 @@ function convertMessages(model: Model<"openai-responses">, context: Context): Re
});
}
let msgIndex = 0;
for (const msg of transformedMessages) {
if (msg.role === "user") {
if (typeof msg.content === "string") {
@ -444,12 +459,19 @@ function convertMessages(model: Model<"openai-responses">, context: Context): Re
}
} else if (block.type === "text") {
const textBlock = block as TextContent;
// OpenAI requires id to be max 64 characters
let msgId = textBlock.textSignature;
if (!msgId) {
msgId = "msg_" + msgIndex;
} else if (msgId.length > 64) {
msgId = "msg_" + shortHash(msgId);
}
output.push({
type: "message",
role: "assistant",
content: [{ type: "output_text", text: sanitizeSurrogates(textBlock.text), annotations: [] }],
status: "completed",
id: textBlock.textSignature || "msg_" + Math.random().toString(36).substring(2, 15),
id: msgId,
} satisfies ResponseOutputMessage);
// Do not submit toolcall blocks if the completion had an error (i.e. abort)
} else if (block.type === "toolCall" && msg.stopReason !== "error") {
@ -508,6 +530,7 @@ function convertMessages(model: Model<"openai-responses">, context: Context): Re
});
}
}
msgIndex++;
}
return messages;