step 9 and cleanup

prisma/migrations/20260422183000_operation_kind_and_qc_failed/migration.sql

@@ -0,0 +1,4 @@
+-- Adds Operation.kind ("work" | "qc") for dedicated inspection steps.
+-- The `qc_failed` status value is application-level only (status is TEXT),
+-- so no schema change is needed for that — migration is just the column add.
+ALTER TABLE "Operation" ADD COLUMN "kind" TEXT NOT NULL DEFAULT 'work';

prisma/schema.prisma

@@ -167,11 +167,18 @@ model Operation {
   templateId      String?
   name            String
   machineId       String?
+  /// "work" (default) = regular production step, "qc" = dedicated inspection
+  /// step whose entire purpose is pass/fail. QC ops always require a QC record
+  /// on close and don't care about machines/units.
+  kind            String    @default("work") // work | qc
   settings        String? // JSON
   materialNotes   String?
   instructions    String?
   qcRequired      Boolean   @default(false)
-  status          String    @default("pending") // pending | in_progress | partial | completed
+  /// pending | in_progress | partial | completed | qc_failed
+  /// qc_failed: operator submitted QC fail on close — step is blocked until
+  /// an admin resets it via /api/v1/operations/:id/qc-reset.
+  status          String    @default("pending")
   qrToken         String    @unique
   claimedByUserId String?
   claimedAt       DateTime?