luulam/9router
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(opencode): route Union Alpha through Messages API

Browse Source 
Route union-alpha to /zen/v1/messages with targetFormat claude, add anthropic-version header, and register model capabilities (vision, 262K context, 131K max output).
This commit is contained in:
Hermes Agent
2026-09-17 18:01:33 +07:00
parent 702b57c30d
commit 2b65c49ff5
4 changed files with 50 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
open-sse/executors/opencode.js
View File

@@ -5,13 +5,14 @@ import { getThinkingLevels } from "../providers/thinkingLevels.js";
import { injectReasoningContent } from "../utils/reasoningContentInjector.js";
import { resolveSessionId } from "../utils/sessionManager.js";
import { isMuseSparkModel } from "../providers/models/helpers.js";
import { ANTHROPIC_API_VERSION } from "../providers/shared.js";
const OPENCODE_UA = "opencode";
// Models served by /zen/v1/responses; every other model stays on /chat/completions.
const RESPONSES_MODELS = new Set([
"muse-spark-1.2-contributor-free",
"muse-spark-1.3-contributor-free",
]);
const MESSAGES_MODELS = new Set(["union-alpha"]);
function generateRequestId() {
return `msg_${crypto.randomUUID().replace(/-/g, "")}`;
@@ -31,6 +32,10 @@ function isResponsesModel(model) {
return RESPONSES_MODELS.has(base) || isMuseSparkModel(base);
}
function isMessagesModel(model) {
return MESSAGES_MODELS.has(baseModelId(model));
}
function resolveOpencodeSession(body, credentials) {
const headers = credentials?.rawHeaders || {};
return resolveSessionId({
@@ -89,12 +94,12 @@ export class OpenCodeExecutor extends BaseExecutor {
buildUrl(model) {
const base = this.config.baseUrl;
return isResponsesModel(model)
? `${base}/zen/v1/responses`
: `${base}/zen/v1/chat/completions`;
if (isResponsesModel(model)) return `${base}/zen/v1/responses`;
if (isMessagesModel(model)) return `${base}/zen/v1/messages`;
return `${base}/zen/v1/chat/completions`;
}
buildHeaders(credentials, stream = true) {
buildHeaders(credentials, stream = true, url = "") {
const raw = credentials?.rawHeaders || {};
const lower = {};
for (const [k, v] of Object.entries(raw)) lower[k.toLowerCase()] = v;
@@ -102,7 +107,7 @@ export class OpenCodeExecutor extends BaseExecutor {
const downstreamUa = lower["user-agent"] || "";
const isOpencodeDownstream = downstreamUa.toLowerCase().includes("opencode");
return {
const headers = {
"Content-Type": "application/json",
"Authorization": "Bearer public",
"User-Agent": isOpencodeDownstream ? downstreamUa : OPENCODE_UA,
@@ -112,5 +117,7 @@ export class OpenCodeExecutor extends BaseExecutor {
"x-opencode-project": lower["x-opencode-project"] || "global",
"Accept": stream ? "text/event-stream" : "*/*",
};
if (url.endsWith("/messages")) headers["anthropic-version"] = ANTHROPIC_API_VERSION;
return headers;
}
}