Graham McIntire
01d64a446e
Token-usage doesn't belong on the per-insight row — every consumer of
Towerops.LLM (insight enrichment today; billing-anomaly summaries,
monitoring narratives, fleet weekly reports tomorrow) needs to record
into one queryable place. Per-insight columns also made it impossible
to track LLM calls that aren't tied to an insight.
Schema: `llm_usage` keyed (organization_id, day, model, purpose) with a
unique index. organization_id is nullable for system-level analyses.
Each row carries running totals plus a request_count — callers UPSERT
and increment atomically.
API: `Towerops.LLM.Usage.record/1` for write, `summarize/2` for
read-side rollups. The worker now calls `Usage.record(%{... purpose:
"insight_enrichment"})` after each successful enrichment.
Removed: `llm_prompt_tokens` / `llm_completion_tokens` from
preseem_insights — same migration drops the columns and creates
llm_usage in one go. `apply_llm_enrichment` reverts to /3 (no usage
arg).
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| .. | ||
| migrations | ||
| seeds.exs | ||
| seeds_e2e.exs | ||
| structure.sql | ||