Social Measurement Loop

The weekly organic-social readback loop — the sibling of paid-measurement-loop for unpaid channels. It owns the measurement-integrity core of the ECHO O lever and feeds five O sub-items in echo-benchmark.md: declared period-stable denominators (the upstream of the ECHO-O1 veto), median-not-mean per-post rollups with organic and boosted separated, EMV excluded from any score, employee-excluded community-health metrics, and learnings written back to the next cycle. It owns the O lever's dictionary and loop but never computes the SQS — only social-quality-auditor scores ECHO and runs vetoes.

Scope guard: this skill produces the metric dictionary, the period readout, and the write-back list only. It does NOT issue the gate verdict or run ECHO-O1 (social-quality-auditor), compute dollar ROI or revenue-per-post (roi-calculator), declare the dark-social estimation method (dark-social-attributor), track share of voice (share-of-voice-tracker), or roll up across disciplines (performance-analyzer). Registry-grade facts it surfaces (cadence drift, channel-state observations) go to memory/channels/candidates.md only — channel-registry is the sole writer of memory/channels/.

Quick Start

Run the weekly social readout for the week of 2026-06-29 — here are the Instagram and 小红书 analytics exports plus GA4.

Build our metric dictionary: which denominator does each engagement rate use per channel, and lock it for future periods.

Community-health mode on our Discourse forum: orbit-level distribution, time-to-first-response, moderator bus factor — employees excluded.