…#121)

Two small ergonomics fixes folded together (#765 deferred — see TODOS.md
follow-up; the CJK PGLite extraction was bigger than the plan estimated).

#779 reworked (alexandreroumieu-codeapprentice): silence the
missing-max_batch_tokens startup warning for recipes with genuinely
dynamic batch capacity. New `EmbeddingTouchpoint.no_batch_cap?: true`
field. Set on ollama (capacity depends on locally loaded model +
OLLAMA_NUM_PARALLEL), litellm-proxy (depends on backend), llama-server
(set by --ctx-size at server launch). Three less stderr warnings on
every gateway configure; google still warns (it's a real fixed-cap
provider that ought to ship a max_batch_tokens declaration).

Bonus: litellm-proxy now declares `user_provided_models: true`, removing
the last consumer of the legacy `recipe.id === 'litellm'` hardcode in
gateway.ts:223 (D8=A wire-through completion).

#121 reworked (vinsew): self-contained API keys. Two parts:

  1. config.ts: ANTHROPIC_API_KEY env merge was silently missing.
     loadConfig() merged OPENAI_API_KEY but not ANTHROPIC_API_KEY into
     the file-config-shape result. One-line addition.

  2. cli.ts:buildGatewayConfig: when ~/.gbrain/config.json declares
     openai_api_key / anthropic_api_key but the process env doesn't
     have those env vars set (common for launchd-spawned daemons,
     agent subprocess tools, containers that don't propagate
     ~/.zshrc), fold the config-file values into the gateway env
     snapshot. Process env still wins (loaded last) so per-process
     overrides keep working.

Tests (4 cases in test/ai/no-batch-cap-suppression.test.ts):
- Ollama / LiteLLM / llama-server all declare no_batch_cap: true
- configureGateway does NOT warn for those three
- configureGateway STILL warns for google (regression guard)
- Cross-cutting invariant: empty-models recipes declare user_provided_models

Tests: bun test test/ai/ — 128/128 (4 new + 124 prior).

Plan: ~/.claude/plans/ok-lets-turn-this-enumerated-sonnet.md (commit 9 of 11).
#765 (Hunyuan PGLite + CJK keyword fallback) deferred to TODOS.md
follow-up; the CJK extraction (~150 lines + scoring logic + tests) is
larger than the wave's adjacent-fix lane should carry. Closes that PR
with a deferral note.

Co-Authored-By: alexandreroumieu-codeapprentice <noreply@github.com>
Co-Authored-By: vinsew <noreply@github.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>