diff --git a/schemas/plan_templates.json b/schemas/plan_templates.json
index 3e5b2b2..981e14e 100644
--- a/schemas/plan_templates.json
+++ b/schemas/plan_templates.json
@@ -24,8 +24,10 @@
         "properties": {
           "name": { "type": "string" },
           "target_minutes": { "type": "integer", "minimum": 0 },
-          "must_keywords": { "type": "array", "items": { "type": "string" } },
-          "forbid_keywords": { "type": "array", "items": { "type": "string" } },
+          "must_keywords": { "type": "array", "items": { "type": "string" }, "default": [] },
+          "ideal_keywords": { "type": "array", "items": { "type": "string" }, "default": [] },
+          "supplement_keywords": { "type": "array", "items": { "type": "string" }, "default": [] },
+          "forbid_keywords": { "type": "array", "items": { "type": "string" }, "default": [] },
           "capability_targets": { "type": "object", "additionalProperties": { "type": "integer" } }
         }
       }