fix: Resolve streaming output for Vertex AI Express Mode (#4474) * fix(api): Resolve streaming output for Vertex AI Express Mode * chore: Remove unused 'util' variable * chore: Restore original debug log * Even cleaner diff --------- Co-authored-by: AliceRabbit <b290627396@gmail.com> Co-authored-by: Cohee <18619528+Cohee1207@users.noreply.github.com>

fe8ebedeb2c206caf5a59710b8e6e68b3d265d76

Compass <32301767+AliceRabbit@users.noreply.github.com>

Signed

src/endpoints/backends/chat-completions.js+2 -2 Viewed

                     ? 'https://aiplatform.googleapis.com'
                     : `https://${region}-aiplatform.googleapis.com`;
                 url = projectId
                     ? `https://aiplatform.googleapis.com/v1/projects/${projectId}/locations/${region}/publishers/google/models/${model}:generateContent${responseType}?key=${keyParam}${stream ? '&alt=sse' : ''}`
                     : `${baseUrl}/v1/publishers/google/models/${model}:generateContent${responseType}?key=${keyParam}${stream ? '&alt=sse' : ''}`;
             } else if (authType === 'full') {
                 // For Full mode (service account authentication), use project-specific URL
                 // Get project ID from Service Account JSON