Function mergeMembers

packages/core/src/merger/algorithms.ts:190–215

(
  sources: Array<{ platform: string; members: MergerMember[] }>,
  collidingIds: Set<string>
)

// ==================== Member merge ====================

export function mergeMembers(
  sources: Array<{ platform: string; members: MergerMember[] }>,
  collidingIds: Set<string>
): Map<string, MergedMember> {
  const map = new Map<string, MergedMember>()
  for (const { platform, members } of sources) {
    const p = platform || 'unknown'
    for (const m of members) {
      const nid = normalizePlatformId(m.platformId, p, collidingIds)
      const existing = map.get(nid)
      if (existing) {
        if (m.accountName) existing.accountName = m.accountName
        if (m.groupNickname) existing.groupNickname = m.groupNickname
        if (m.avatar) existing.avatar = m.avatar
      } else {
        map.set(nid, {
          platformId: nid,
          accountName: m.accountName,
          groupNickname: m.groupNickname,
          avatar: m.avatar,
        })
      }
    }
  }
  return map
}

// ==================== Message dedup + sort ====================