fix(api): apply correct model+baseURL when API key env var is missing, preventing silent fallback to OpenCode Go endpoint

1 files changed, 7 insertions, 0 deletions

diff --git a/packages/api/src/agent-manager.ts b/packages/api/src/agent-manager.ts
index 0f06683..6e03adb 100644
--- a/packages/api/src/agent-manager.ts
+++ b/packages/api/src/agent-manager.ts
@@ -611,6 +611,13 @@ export class AgentManager {
 							console.warn(
 								`dispatch: env var "${key.env}" not set for key "${key.id}", falling back to env vars`,
 							);
+							// Apply the correct model + baseURL even when the key
+							// is unavailable so the request at least targets the
+							// right endpoint and produces a diagnosable auth error
+							// instead of silently routing to the default OpenCode Go
+							// endpoint (which may serve a different model).
+							baseURL = key.base_url;
+							model = effectiveModelId;
 							tabAgent.keyId = effectiveKeyId;
 							tabAgent.modelId = effectiveModelId;
 							useOverride = true;