Stability checkpoint Java — runbooks + FR sync + dashboards + renovate base + banner Achievements vs stable-v1.2.0 : - 3 SLO runbooks (availability + latency + enrichment) — unblocks Alertmanager 404s - README.fr.md fully synced with EN (TL;DR + senior architect matrix + URL fixes) - banner.svg refreshed (mention polyrepo + 3 SLOs as code + LTS path) - Renovate consolidated via shared base preset + sync script - Shared submodule SHA bumped : 3 new dashboards (SLO breakdown, latency heatmap, Apdex) + SLO review cadence doc + renovate-base.json Validation : main pipeline #852 green sha=6e2a68c3f12c58c2786739e6cf7ebe0cd3c77088