Migrates the four TypeScript /generate callers to the gateway's
/v1/chat surface so every LLM call lands on /v1/usage and Langfuse:
tests/multi-agent/agent.ts::generate() provider="ollama"
tests/agent_test/agent_harness.ts::callAgent provider="ollama"
bot/propose.ts::generateProposal provider="ollama_cloud"
mcp-server/observer.ts (error analysis) provider="ollama"
Each migration follows the same pattern as the prior generateCloud()
migration (already on /v1/chat from 2026-04-24): replace
`fetch(SIDECAR/generate)` with `fetch(GATEWAY/v1/chat)`, swap the
prompt-style body for OpenAI-compat messages array, extract
content from `choices[0].message.content` instead of `text`.
Same upstream models in every case — gateway is the new home for
the call, transport otherwise unchanged.
Adds scripts/check_phase44_callers.sh — fail-loud regression guard
that exits non-zero if any non-adapter file fetches /generate or
api/generate. Adapter files (crates/gateway, crates/aibridge,
sidecar/) are exempt. Pre-tightening regex flagged prose mentions
in comments; the shipped regex requires `fetch(...)` or
`client.post(...)` shape so comments don't trip it.
Verification:
bun build mcp-server/observer.ts compiles
bun build tests/multi-agent/agent.ts compiles
bun build tests/agent_test/agent_harness.ts compiles
bun build bot/propose.ts compiles
./scripts/check_phase44_callers.sh ✅ clean
systemctl restart lakehouse-observer active
Phase 44 part 2 (deferred):
- crates/aibridge/src/client.rs:118 still posts to sidecar /generate
directly. AiClient is the foundational Rust LLM caller used by
8+ vectord modules; migrating it is a workspace-wide refactor
that needs its own commit. Plan: keep AiClient as the local-
transport layer for the gateway's `provider=ollama` arm, but
introduce a thin `/v1/chat` wrapper for external callers (vectord
autotune, agent, rag, refresh, supervisor, playbook_memory).
- tests/real-world/hard_task_escalation.ts: comment mentions
/api/generate but doesn't actually call it. Comment is left
intentionally as historical context; regex no longer flags it.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>