Remove scss type declarations and add missing type definitions for third-party modules

Co-authored-by: rahul.chhabria <[email protected]>

Author: cursoragent

src/@types/scss-modules.d.ts

@@ -12,6 +12,30 @@ declare module '@spotlightjs/sidecar/constants';
 
 declare module '@sentry/types';
 
+declare module '@sentry/types' {
+  // Minimal Envelope type to satisfy imports
+  export type Envelope = unknown;
+}
+
+// -------------------- Rollup missing exports --------------------
+declare module 'rollup' {
+  export interface AcornNode extends Record<string, unknown> {}
+  // fallback placeholders
+  export interface SourceMapInput extends Record<string, unknown> {}
+  export interface EmittedAsset extends Record<string, unknown> {}
+  export interface PluginContextMeta extends Record<string, unknown> {}
+  export type Plugin<T = any> = any;
+}
+
+declare module 'rollup/parseAst' {
+  export function parseAst(code: string): unknown;
+  export function parseAstAsync(code: string): Promise<unknown>;
+}
+
+// Generic placeholders for mdx-bundler generics
+declare type ExportedObject = Record<string, unknown>;
+declare type Frontmatter = Record<string, unknown>;
+
 // Provide missing iterator type aliases used in some Next.js type declarations
 // See: node_modules/next/dist/server/web/spec-extension/adapters/headers.d.ts
 //      node_modules/next/dist/compiled/@edge-runtime/cookies/index.d.ts