diff --git a/UAT_PLAYBOOK.md b/UAT_PLAYBOOK.md
index a458219..3b6ed03 100644
--- a/UAT_PLAYBOOK.md
+++ b/UAT_PLAYBOOK.md
@@ -116,6 +116,7 @@ GroomBook API is a Hono-based REST service (TypeScript/Node.js) powering the pet
 | TC-API-3.24 | Verify UAT test pet Delta has skin alert | GET /api/pets/{id} where name = "TestRocky" (pet for uat-delta@groombook.dev) | medicalAlerts includes an entry with type: "skin" |
 | TC-API-3.25 | Verify 30+ total pets in UAT DB | GET /api/pets then count total | 30+ pets returned (UAT seed creates 500 random-pool + 5 UAT test clients + 2 UAT customer = 507 total) |
 | TC-API-3.26 | Verify 25-35% medicalAlerts distribution | GET /api/pets (first 30 pets), count how many have non-empty medicalAlerts | Ratio is 25-35% (seed uses rand() < 0.3 for ~30% distribution) |
+| TC-API-3.27 | Verify coat_type enum has all seed values | After UAT seed completes, inspect the coat_type enum on the UAT DB — it must contain: short, medium, long, double, wire, silky, curly, hairless | UAT seed jobs (`reset-demo-data`, `seed-test-data`) complete 1/1 with no `enum_in` error; coat_type includes all 8 values used by seed.ts `coatTypePool` |
 
 ### 4.4 Appointment Scheduling
 
diff --git a/packages/db/migrations/0035_add_missing_coat_type_values.sql b/packages/db/migrations/0035_add_missing_coat_type_values.sql
new file mode 100644
index 0000000..3b7a2d3
--- /dev/null
+++ b/packages/db/migrations/0035_add_missing_coat_type_values.sql
@@ -0,0 +1,9 @@
+-- Migration: 0035_add_missing_coat_type_values.sql
+-- Adds missing values to coat_type enum that seed.ts requires but which were
+-- omitted from the 0031_buffer_rules.sql CREATE TYPE statement (migration drift).
+-- 0031 created: 'smooth', 'double', 'wire', 'curly', 'long', 'hairless'
+-- Missing (from schema.ts coatTypeEnum): 'short', 'medium', 'silky'
+
+ALTER TYPE "coat_type" ADD VALUE IF NOT EXISTS 'short';
+ALTER TYPE "coat_type" ADD VALUE IF NOT EXISTS 'medium';
+ALTER TYPE "coat_type" ADD VALUE IF NOT EXISTS 'silky';
\ No newline at end of file
diff --git a/packages/db/migrations/0036_add_missing_coat_type_values.sql b/packages/db/migrations/0036_add_missing_coat_type_values.sql
new file mode 100644
index 0000000..026c5ef
--- /dev/null
+++ b/packages/db/migrations/0036_add_missing_coat_type_values.sql
@@ -0,0 +1,9 @@
+-- Migration: 0036_add_missing_coat_type_values.sql
+-- Adds missing values to coat_type enum that seed.ts requires but which were
+-- omitted from the 0031_buffer_rules.sql CREATE TYPE statement (migration drift).
+-- 0031 created: 'smooth', 'double', 'wire', 'curly', 'long', 'hairless'
+-- Missing (from schema.ts coatTypeEnum): 'short', 'medium', 'silky'
+
+ALTER TYPE "coat_type" ADD VALUE IF NOT EXISTS 'short';
+ALTER TYPE "coat_type" ADD VALUE IF NOT EXISTS 'medium';
+ALTER TYPE "coat_type" ADD VALUE IF NOT EXISTS 'silky';
\ No newline at end of file
diff --git a/packages/db/migrations/meta/_journal.json b/packages/db/migrations/meta/_journal.json
index 58d27a7..1c7c56a 100644
--- a/packages/db/migrations/meta/_journal.json
+++ b/packages/db/migrations/meta/_journal.json
@@ -248,10 +248,10 @@
       "breakpoints": true
     },
     {
-      "idx": 35,
+      "idx": 36,
       "version": "7",
-      "when": 1751140800000,
-      "tag": "0035_add_short_to_coat_type_enum",
+      "when": 1751480000000,
+      "tag": "0036_add_missing_coat_type_values",
       "breakpoints": true
     }
   ]