Add schemas for GitLab discussion notes and merge request discussions

schemas.ts

@@ -8,6 +8,11 @@ export const GitLabAuthorSchema = z.object({
 });
 
 // Namespace related schemas
+
+// Base schema for project-related operations
+const ProjectParamsSchema = z.object({
+  project_id: z.string().describe("Project ID or URL-encoded path"), // Changed from owner/repo to match GitLab API
+});
 export const GitLabNamespaceSchema = z.object({
   id: z.number(),
   name: z.string(),
@@ -354,10 +359,77 @@ export const GitLabMergeRequestSchema = z.object({
   labels: z.array(z.string()).optional(),
 });
 
-// API Operation Parameter Schemas
-const ProjectParamsSchema = z.object({
-  project_id: z.string().describe("Project ID or URL-encoded path"), // Changed from owner/repo to match GitLab API
+// Discussion related schemas
+export const GitLabDiscussionNoteSchema = z.object({
+  id: z.number(),
+  type: z.enum(["DiscussionNote", "DiffNote", "Note"]).nullable(), // Allow null type for regular notes
+  body: z.string(),
+  attachment: z.any().nullable(), // Can be string or object, handle appropriately
+  author: GitLabUserSchema,
+  created_at: z.string(),
+  updated_at: z.string(),
+  system: z.boolean(),
+  noteable_id: z.number(),
+  noteable_type: z.enum(["Issue", "MergeRequest", "Snippet", "Commit", "Epic"]),
+  project_id: z.number().optional(), // Optional for group-level discussions like Epics
+  noteable_iid: z.number().nullable(),
+  resolvable: z.boolean().optional(),
+  resolved: z.boolean().optional(),
+  resolved_by: GitLabUserSchema.nullable().optional(),
+  resolved_at: z.string().nullable().optional(),
+  position: z.object({ // Only present for DiffNote
+    base_sha: z.string(),
+    start_sha: z.string(),
+    head_sha: z.string(),
+    old_path: z.string(),
+    new_path: z.string(),
+    position_type: z.enum(["text", "image", "file"]),
+    old_line: z.number().nullable(),
+    new_line: z.number().nullable(),
+    line_range: z.object({
+      start: z.object({
+        line_code: z.string(),
+        type: z.enum(["new", "old"]),
+        old_line: z.number().nullable(),
+        new_line: z.number().nullable(),
+      }),
+      end: z.object({
+        line_code: z.string(),
+        type: z.enum(["new", "old"]),
+        old_line: z.number().nullable(),
+        new_line: z.number().nullable(),
+      }),
+    }).nullable().optional(), // For multi-line diff notes
+    width: z.number().optional(), // For image diff notes
+    height: z.number().optional(), // For image diff notes
+    x: z.number().optional(), // For image diff notes
+    y: z.number().optional(), // For image diff notes
+  }).optional(),
 });
+export type GitLabDiscussionNote = z.infer<typeof GitLabDiscussionNoteSchema>;
+
+export const GitLabDiscussionSchema = z.object({
+  id: z.string(),
+  individual_note: z.boolean(),
+  notes: z.array(GitLabDiscussionNoteSchema),
+});
+export type GitLabDiscussion = z.infer<typeof GitLabDiscussionSchema>;
+
+// Input schema for listing merge request discussions
+export const ListMergeRequestDiscussionsSchema = ProjectParamsSchema.extend({
+  merge_request_iid: z.number().describe("The IID of a merge request"),
+});
+
+// Input schema for updating a merge request discussion note
+export const UpdateMergeRequestNoteSchema = ProjectParamsSchema.extend({
+  merge_request_iid: z.number().describe("The IID of a merge request"),
+  discussion_id: z.string().describe("The ID of a thread"),
+  note_id: z.number().describe("The ID of a thread note"),
+  body: z.string().describe("The content of the note or reply"),
+  resolved: z.boolean().optional().describe("Resolve or unresolve the note"), // Optional based on API docs
+});
+
+// API Operation Parameter Schemas
 
 export const CreateOrUpdateFileSchema = ProjectParamsSchema.extend({
   file_path: z.string().describe("Path where to create/update the file"),