improvement: new prosthesis type data structure implemented and finally working!

backend/prisma/migrations/20260901120000_prosthesis_tree_multi_type/migration.sql

@@ -0,0 +1,26 @@
+-- Prosthesis type tree fields + multiple work items per tooth.
+
+ALTER TABLE "prosthesis_types"
+  ADD COLUMN IF NOT EXISTS "category" TEXT NOT NULL DEFAULT 'crown',
+  ADD COLUMN IF NOT EXISTS "subcategory" TEXT NOT NULL DEFAULT '',
+  ADD COLUMN IF NOT EXISTS "chartRegion" TEXT NOT NULL DEFAULT 'crown',
+  ADD COLUMN IF NOT EXISTS "stackGroup" TEXT NOT NULL DEFAULT 'restoration',
+  ADD COLUMN IF NOT EXISTS "addonKind" TEXT NOT NULL DEFAULT '';
+
+ALTER TABLE "lab_case_tooth_prosthesis"
+  DROP CONSTRAINT IF EXISTS "lab_case_tooth_prosthesis_labCaseId_sourceKey_tooth_key";
+
+DROP INDEX IF EXISTS "lab_case_tooth_prosthesis_labCaseId_sourceKey_tooth_key";
+
+-- Deduplicate stacked rows that would collide after adding prosthesisTypeCode to the unique key
+-- (legacy unique already forbade two types per tooth, so this is a no-op for current data).
+DELETE FROM "lab_case_tooth_prosthesis" AS a
+  USING "lab_case_tooth_prosthesis" AS b
+WHERE a."id" > b."id"
+  AND a."labCaseId" = b."labCaseId"
+  AND a."sourceKey" = b."sourceKey"
+  AND a."tooth" = b."tooth"
+  AND a."prosthesisTypeCode" = b."prosthesisTypeCode";
+
+CREATE UNIQUE INDEX IF NOT EXISTS "lab_case_tooth_prosthesis_case_source_tooth_type_key"
+  ON "lab_case_tooth_prosthesis"("labCaseId", "sourceKey", "tooth", "prosthesisTypeCode");

backend/prisma/migrations/20260901130000_lab_case_task_per_tooth/migration.sql

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+-- One LabCaseTask pipeline per tooth: unique must include tooth.
+ALTER TABLE "lab_case_tasks" ADD COLUMN IF NOT EXISTS "tooth" TEXT NOT NULL DEFAULT '';
+
+UPDATE "lab_case_tasks"
+SET "tooth" = COALESCE("teeth"->>0, '')
+WHERE "tooth" = '';
+
+ALTER TABLE "lab_case_tasks" DROP CONSTRAINT IF EXISTS "lab_case_tasks_case_source_prosthesis_step_key";
+DROP INDEX IF EXISTS "lab_case_tasks_case_source_prosthesis_step_key";
+
+CREATE UNIQUE INDEX IF NOT EXISTS "lab_case_tasks_case_source_tooth_prosthesis_step_key"
+  ON "lab_case_tasks"("labCaseId", "sourceKey", "tooth", "prosthesisTypeCode", "stepOrder");