refactor: migrate API from GraphQL to REST (TypeSpec/OpenAPI)

Replace the entire GraphQL stack (gqlgen, urql, graphql-codegen) with a
TypeSpec → OpenAPI 3.x pipeline using oapi-codegen for Go server stubs
and openapi-fetch + openapi-typescript for the frontend client.

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

1 files changed, 0 insertions, 65 deletions

diff --git a/frontend/src/graphql/mutations.graphql b/frontend/src/graphql/mutations.graphql
deleted file mode 100644
index f919e66..0000000
--- a/frontend/src/graphql/mutations.graphql
+++ /dev/null
@@ -1,65 +0,0 @@
-mutation AddFeed($url: String!) {
-	addFeed(url: $url) {
-		id
-		url
-		title
-		fetchedAt
-	}
-}
-
-mutation UnsubscribeFeed($id: ID!) {
-	unsubscribeFeed(id: $id)
-}
-
-mutation MarkArticleRead($id: ID!) {
-	markArticleRead(id: $id) {
-		id
-		feedId
-		guid
-		title
-		url
-		isRead
-	}
-}
-
-mutation MarkArticleUnread($id: ID!) {
-	markArticleUnread(id: $id) {
-		id
-		feedId
-		guid
-		title
-		url
-		isRead
-	}
-}
-
-mutation MarkFeedRead($id: ID!) {
-	markFeedRead(id: $id) {
-		id
-		url
-		title
-		fetchedAt
-	}
-}
-
-mutation MarkFeedUnread($id: ID!) {
-	markFeedUnread(id: $id) {
-		id
-		url
-		title
-		fetchedAt
-	}
-}
-
-mutation Login($username: String!, $password: String!) {
-	login(username: $username, password: $password) {
-		user {
-			id
-			username
-		}
-	}
-}
-
-mutation Logout {
-	logout
-}