diff --git a/PLAN.md b/PLAN.md
index 5b8a300..12b1855 100644
--- a/PLAN.md
+++ b/PLAN.md
@@ -37,15 +37,15 @@ Check off items as completed. Each phase builds on the previous.
 - [x] **Commit checkpoint** (2e28827)
 
 ### Step 1.5: Reference Data Repository & Seeds
-- [ ] Create repositories for each reference type (CRUD operations)
-- [ ] Create `seeds.py` with idempotent seeder
-- [ ] Seed: users (ppetru, ines, guest), locations (Strip 1-4, Nursery 1-4)
-- [ ] Seed: species (duck, goose active; sheep inactive)
-- [ ] Seed: products (egg.duck, meat/offal/fat/bones/feathers/down)
-- [ ] Seed: feed types (starter, grower, layer - 20kg default)
-- [ ] Create `id_gen.py` for ULID generation
-- [ ] Write tests for repositories and seeding idempotency
-- [ ] **Commit checkpoint**
+- [x] Create repositories for each reference type (CRUD operations)
+- [x] Create `seeds.py` with idempotent seeder
+- [x] Seed: users (ppetru, ines, guest), locations (Strip 1-4, Nursery 1-4)
+- [x] Seed: species (duck, goose active; sheep inactive)
+- [x] Seed: products (egg.duck, meat/offal/fat/bones/feathers/down)
+- [x] Seed: feed types (starter, grower, layer - 20kg default)
+- [x] Create `id_gen.py` for ULID generation
+- [x] Write tests for repositories and seeding idempotency
+- [x] **Commit checkpoint** (4579229)
 
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