L13 Planung: Datenmodell (Kolonnenkapazität, Dauer, Geocoding-Cache) und Planungsregeln

Migration 20260915120000_planung (nur Spalten): Team.dailyCapacityMinutes/workingDays, OrderType.defaultDurationMinutes (+ Backfill Standardarten), WorkOrder.plannedDurationMinutes, Site.geocodedAt/geocodeStatus/geocodeQuery. Client-sichere Regeln: Haversine, Tage/Werktage, Dauer, Kolonnenkapazität, Konflikte inkl. Hinweis crew_incomplete, Vereinigung von Arbeitssegmenten, Fahrzeitschätzung.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

prisma/migrations/20260915120000_planung/migration.sql

@@ -0,0 +1,32 @@
+-- L13 Planung: capacity planning + geocoding cache. Columns only (no new table → RLS unchanged,
+-- no TENANT_MODELS change). No personal references (no DSGVO pii-fields change).
+
+-- AlterTable
+ALTER TABLE "order_types" ADD COLUMN     "default_duration_minutes" INTEGER;
+
+-- AlterTable
+ALTER TABLE "sites" ADD COLUMN     "geocode_query" TEXT,
+ADD COLUMN     "geocode_status" TEXT,
+ADD COLUMN     "geocoded_at" TIMESTAMP(3);
+
+-- AlterTable
+-- Team = crew (Kolonne): capacity is the crew's working day in minutes, not person-hours.
+ALTER TABLE "teams" ADD COLUMN     "daily_capacity_minutes" INTEGER NOT NULL DEFAULT 480,
+ADD COLUMN     "working_days" INTEGER NOT NULL DEFAULT 31;
+
+-- AlterTable
+ALTER TABLE "work_orders" ADD COLUMN     "planned_duration_minutes" INTEGER;
+
+-- Backfill: default durations of the standard order types (spec §10.2) for existing tenants.
+UPDATE "order_types" SET "default_duration_minutes" = CASE "key"
+    WHEN 'montage' THEN 480
+    WHEN 'reparatur' THEN 180
+    WHEN 'wartung' THEN 120
+    WHEN 'stoerung' THEN 120
+    WHEN 'notdienst' THEN 120
+    WHEN 'besichtigung' THEN 60
+    WHEN 'abnahme' THEN 60
+    WHEN 'nacharbeit' THEN 120
+  END
+WHERE "default_duration_minutes" IS NULL
+  AND "key" IN ('montage', 'reparatur', 'wartung', 'stoerung', 'notdienst', 'besichtigung', 'abnahme', 'nacharbeit');

prisma/schema.prisma

@@ -472,6 +472,8 @@ model OrderType {
   active            Boolean  @default(true)
   signatureRequired Boolean  @default(true) @map("signature_required")
   sortOrder         Int      @default(0) @map("sort_order")
+  // L13 Planung: default duration for capacity planning when the order has no own duration
+  defaultDurationMinutes Int? @map("default_duration_minutes")
   createdAt         DateTime @default(now()) @map("created_at")
   updatedAt         DateTime @updatedAt @map("updated_at")
 
@@ -597,6 +599,11 @@ model Site {
   status         SiteStatus @default(active)
   latitude       Float?
   longitude      Float?
+  // L13 Planung: geocoding cache (services/geo) — status ok | not_found | failed | skipped,
+  // geocodeQuery = normalized address the coordinates belong to (change detection)
+  geocodedAt     DateTime?  @map("geocoded_at")
+  geocodeStatus  String?    @map("geocode_status")
+  geocodeQuery   String?    @map("geocode_query")
   createdAt      DateTime   @default(now()) @map("created_at")
   updatedAt      DateTime   @updatedAt @map("updated_at")
   deletedAt      DateTime?  @map("deleted_at")
@@ -627,6 +634,10 @@ model Team {
   vehicle      String?
   area         String?
   notes        String?
+  // L13 Planung: a team is a crew (Kolonne) working together — capacity = crew working day in minutes
+  // (not person-hours); workingDays = bit mask Mon=1 … Sun=64 (31 = Mo–Fr)
+  dailyCapacityMinutes Int  @default(480) @map("daily_capacity_minutes")
+  workingDays  Int        @default(31) @map("working_days")
   createdAt    DateTime   @default(now()) @map("created_at")
   updatedAt    DateTime   @updatedAt @map("updated_at")
   deletedAt    DateTime?  @map("deleted_at")
@@ -700,7 +711,9 @@ model WorkOrder {
   scope               String? // Leistungsumfang
   plannedStart        DateTime?         @map("planned_start")
   plannedEnd          DateTime?         @map("planned_end")
-  assignedTeamId      String?           @map("assigned_team_id")
+  // L13 Planung: explicit duration; fallback plannedStart/End → OrderType.defaultDurationMinutes → 120
+  plannedDurationMinutes Int?           @map("planned_duration_minutes")
+  assignedTeamId     String?           @map("assigned_team_id")
   teamLeadUserId      String?           @map("team_lead_user_id")
   signatureRequired   Boolean           @default(true) @map("signature_required")
   billingType         String?           @map("billing_type") // fixed | time_material | maintenance_contract | warranty