Add component persistence foundation

src/db/repositories/distribution-board-structure-project-command.repository.ts

@@ -24,6 +24,7 @@ import type {
   DistributionBoardStructureProjectCommandStore,
   ExecuteDistributionBoardStructureCommandInput,
 } from "../../domain/ports/distribution-board-structure-project-command.store.js";
+import type { CircuitGroupCategory } from "../../shared/constants/circuit-group.js";
 import type { AppDatabase } from "../database-context.js";
 import { circuitLists } from "../schema/circuit-lists.js";
 import { circuitSections } from "../schema/circuit-sections.js";
@@ -168,7 +169,10 @@ export class DistributionBoardStructureProjectCommandRepository
       .values(structure.distributionBoard)
       .run();
     database.insert(circuitLists).values(structure.circuitList).run();
-    database.insert(circuitSections).values(structure.sections).run();
+    database
+      .insert(circuitSections)
+      .values(structure.sections.map(withInitialGroupIdentity))
+      .run();
     return createDistributionBoardDeleteProjectCommand(structure);
   }
 
@@ -409,9 +413,48 @@ function structureMatches(
       left.sortOrder - right.sortOrder ||
       left.id.localeCompare(right.id)
   );
-  return expectedSections.every((section, index) =>
-    sameRecord(section, actual.sections[index])
-  );
+  return expectedSections.every((section, index) => {
+    const actualSection = actual.sections[index];
+    if (
+      actualSection.category !== initialCategoryBySectionKey(section.key) ||
+      actualSection.groupNumber !== initialGroupNumberBySectionKey(section.key)
+    ) {
+      return false;
+    }
+    const {
+      category: _category,
+      groupNumber: _groupNumber,
+      ...comparableActualSection
+    } = actualSection;
+    return sameRecord(section, comparableActualSection);
+  });
+}
+
+function withInitialGroupIdentity(
+  section: DistributionBoardStructureSnapshot["sections"][number]
+): typeof circuitSections.$inferInsert {
+  return {
+    ...section,
+    category: initialCategoryBySectionKey(section.key),
+    groupNumber: initialGroupNumberBySectionKey(section.key),
+  };
+}
+
+function initialCategoryBySectionKey(
+  key: string
+): CircuitGroupCategory | null {
+  if (
+    key === "lighting" ||
+    key === "single_phase" ||
+    key === "three_phase"
+  ) {
+    return key;
+  }
+  return null;
+}
+
+function initialGroupNumberBySectionKey(key: string): number | null {
+  return initialCategoryBySectionKey(key) === null ? null : 1;
 }
 
 function sameRecord(