v0.11.0 — Plant types: the reusable "kind" record

A rich-but-all-optional reference record per kind of plant (care, sun, water,
bloom & harvest windows, toxic-to-pets, edible parts, spacing), distinct from a
specific planting or a group.

- PlantType model + optional Plant.plantTypeId; migration + idempotent backfill
  that seeds 247 kinds from the built-in plant library and links plantings by
  species/common name (wired into the deploy entrypoint)
- /api/plant-types CRUD; new "Plant types" section (browse by category, edit a
  kind, see every spot you've planted it)
- New plants auto-link to their type on create; plant detail shows "More about…"
- PlantType added to backup/restore; bump APP_VERSION 0.11.0 + changelog

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

prisma/schema.prisma

@@ -126,6 +126,8 @@ model Plant {
   zone        String?       // legacy freeform location — kept during the Location migration (dropped in Release B)
   locationId  String?       // shared Location spine
   location    Location?     @relation(fields: [locationId], references: [id], onDelete: SetNull)
+  plantTypeId String?       // optional link to the "kind" reference record
+  plantType   PlantType?    @relation(fields: [plantTypeId], references: [id], onDelete: SetNull)
   plantedAt   DateTime?     // when it went in the ground
   source      String?       // where it came from ("Jung's Nursery", "from seed", "division from Mom's")
   notes       String?       // general notes about this plant
@@ -141,10 +143,42 @@ model Plant {
   @@index([category])
   @@index([zone])
   @@index([locationId])
+  @@index([plantTypeId])
   @@index([active])
   @@index([groupId])
 }
 
+// PlantType — the "kind" of plant (e.g. "Lily of the valley"), holding general
+// reusable reference info. Rich but every field optional; seeded from the
+// built-in plant library (src/lib/garden/plant-db.ts). Individual Plant rows
+// optionally point at their type.
+model PlantType {
+  id           String        @id @default(cuid())
+  commonName   String
+  species      String?       // scientific name
+  category     PlantCategory @default(OTHER)
+  careNotes    String?       // general care: pruning, watering, feeding
+  sun          String?       // "Full sun", "Part shade", "Shade"
+  water        String?       // "Low", "Moderate", "High"
+  bloomStart   Int?          // month 1–12
+  bloomEnd     Int?          // month 1–12
+  harvestStart Int?          // month 1–12
+  harvestEnd   Int?          // month 1–12
+  toxicToPets  Boolean?      // null = unknown
+  edibleParts  String?       // "Fruit, young leaves"
+  spacing      String?       // "10–15 ft", "18 in"
+  imageUrl     String?
+  notes        String?
+  active       Boolean       @default(true)
+  createdAt    DateTime      @default(now())
+  updatedAt    DateTime      @updatedAt
+  plants       Plant[]
+
+  @@index([commonName])
+  @@index([category])
+  @@index([active])
+}
+
 enum PlantLogType {
   OBSERVATION  // general note — "looking healthy", "saw first flowers"
   CARE         // watering, mulching, pruning, fertilizing, chop-and-drop