From 30d78d0c9f4c95897d41dda3190ca44efd223d53 Mon Sep 17 00:00:00 2001
From: rock <locartrock@gmail.com>
Date: Sun, 13 Sep 2026 21:48:56 +0900
Subject: [PATCH] feat(O8): ingest rate pattern tracking

- INGEST_RATE_1M/5M gauges defined (computed by Prometheus rate())
- LLM extract duration histogram defined
- Fact extract duration histogram defined
- Dedup and contradiction counters defined
- Active projects gauge defined
- Rate patterns derived from INGEST_REQUESTS_TOTAL via PromQL
- Metrics: IR1-IR10 (10 metrics defined, computed by Prometheus)