Social Pulse Monitor Always-on brand and community listening — the ears of the ECHO Observe phase. It maintains the listening-query architecture, sweeps the keyless public surfaces for mentions, triages each one to an owner with an SLA, and keeps the 7-day rolling baseline whose spike flag is the trigger input for crisis-response-planner. It feeds three ECHO sub-items directly: 7-day listening baseline maintained with spike thresholds set , listening-query architecture current (brand variants incl. 中文 names and misspellings, exclusion terms, per-source syntax) , and community-health metrics e…