Fix: fail fast when a Vertex AI Express Mode API key cannot be used - #563

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AmaadMartin wants to merge 8 commits into

google:mainfrom

AmaadMartin:fix/vertex-ai-express-mode-api-key-dropped

Commits on Jul 29, 2026

fix(vertexai): fail fast when an Express Mode API key cannot be used
Amaad Martin
committed
test(vertexai): cover Express Mode fail-fast in both Agent Engine services
Amaad Martin
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refactor(vertexai): tighten Express Mode guard message and tests
Amaad Martin
committed
refactor(vertexai): drop dead env stubs and vendor signature from message
Amaad Martin
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refactor(vertexai): fold duplicate guard test and trim redundant assertions
Amaad Martin
committed

Commits on Jul 31, 2026

chore: park vertex_ai_session_service_test.ts at upstream content
Amaad Martin
committed
Merge upstream/main into fix/vertex-ai-express-mode-api-key-dropped
Amaad Martin
committed
test(vertexai): restore express mode session tests after the upstream merge
Amaad Martin
committed