# Theme manifest (`theme.json`) Validated by `zThemeManifest` (`@mozaik/kit/validate`). `tier: "full"` kits declare `runtime` (`platform` = first-party compiled-in; `sandbox` = sealed, refused until P2); `tier: "skin"` themes MUST `extends` a parent kit. The `agent` block is required, like extensions. Machine-readable: [/schemas/theme.schema.json](/schemas/theme.schema.json). ## Fields | field | type | required | notes | |---|---|---|---| | `id` | string (/^[a-z][a-z0-9-]*\.[a-z][a-z0-9-]*$/) | yes | | | `version` | string (/^\d+\.\d+\.\d+$/) | yes | | | `contract` | const 1 | yes | | | `tier` | "full" \| "skin" | yes | | | `runtime` | "platform" \| "sandbox" | no | | | `extends` | string (/^[a-z][a-z0-9-]*\.[a-z][a-z0-9-]*@\d+$/) | no | | | `labelTR` | string (≤40 chars) | yes | | | `descriptionTR` | string (≤280 chars) | yes | | | `tags` | array (≤8) | no | | | `catalogSize` | "small" \| "medium" \| "large" | no | | | `fonts` | array