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+# import
+
+## Trigger
+Use this skill when the user brings back work from a subcontractor agent, says "the other
+tool finished", "here's what ChatGPT found", "I have the CSV", or uploads/shares a file
+containing proposed rules, label changes, or domain analyses.
+
+## Purpose
+Parses incoming batch work in any format (MD, CSV, XLSX, Google Sheet, JSON, XML).
+Normalizes the data against the Tracker schema. Sanity-checks the proposed rules.
+Claude acts as the challenging architect — not a passive importer.
+
+## Sanity Check Logic
+- **Simple domain-match rules** (from:/to:/cc: domain only): lightweight check — verify
+  label exists, no duplicate rule_id, pattern is valid Gmail query syntax
+- **Multi-signal rules** (subject + body keyword + sender): deep check — spot-sample the
+  actual mailbox to verify the pattern fires as intended and doesn't over-match
+- Claude should assess each rule's complexity and declare which check applies
+
+## Architect Behavior
+- Question assumptions on any rule with medium/low confidence
+- Flag contradictions (same domain assigned to two incompatible labels)
+- Refuse to pass rules with missing required fields downstream
+- Ask for justification on `do_not_automate_yet` overrides before accepting
+
+## Skill Stub — Implementation Pending
+Full SKILL.md to be written in build session. Load CW-020_Concept.md for scope and design intent.