Add observability module: Spring AI built-in meters and spans, cost per endpoint from token usage, Prometheus and Grafana dashboard

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01JXVi2GMQ7bR5EmbUFdDj7N
2026-10-09 06:39:21 +00:00
parent 65f580c5bc
commit cc2a1b8bcb
45 changed files with 1731 additions and 0 deletions
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+#!/usr/bin/env bash
+# Stops what stack-up.sh started, by PID (never by pattern).
+for f in /tmp/obs-run/*.pid; do [ -f "$f" ] && kill "$(cat "$f")" 2>/dev/null || true; done
+echo stopped