chore: Remove node_modules, dist, .env from tracking

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/ajv/lib/vocabularies/metadata.ts

@@ -1,17 +0,0 @@
-import type {Vocabulary} from "../types"
-
-export const metadataVocabulary: Vocabulary = [
-  "title",
-  "description",
-  "default",
-  "deprecated",
-  "readOnly",
-  "writeOnly",
-  "examples",
-]
-
-export const contentVocabulary: Vocabulary = [
-  "contentMediaType",
-  "contentEncoding",
-  "contentSchema",
-]