Assemble a rate/form/rule regulatory filing packet from its components and deterministically test completeness against the approved filing checklist, rate-change support, required exhibits, and effective-date/notice rules; produce a source-linked gap-evidence packet for a human product-filing analyst and compliance reviewer. Use when a filing analyst asks to "package this SERFF filing", "check the filing is complete before submission", "what's missing from this rate filing", or "cross-check the exhibits". HARD BOUNDARY: R3 draft/decision-support only — it NEVER submits or files anything with a regulator, never certifies a filing as compliant or approvable, and never sets …