feat: add GitHub setup step and enhance setup flow

- Introduced a new GitHubSetupStep component for GitHub CLI configuration during the setup process.
- Updated SetupView to include the GitHub step in the setup flow, allowing users to skip or proceed based on their GitHub CLI status.
- Enhanced state management to track GitHub CLI installation and authentication status.
- Added logging for transitions between setup steps to improve user feedback.
- Updated related files to ensure cross-platform path normalization and compatibility.

apps/server/src/routes/fs/routes/delete-board-background.ts

@@ -21,8 +21,8 @@ export function createDeleteBoardBackgroundHandler() {
         return;
       }
 
-      // Get external board directory
-      const boardDir = await getBoardDir(projectPath);
+      // Get board directory
+      const boardDir = getBoardDir(projectPath);
 
       try {
         // Try to remove all background files in the board directory

apps/server/src/routes/fs/routes/save-board-background.ts

@@ -27,8 +27,8 @@ export function createSaveBoardBackgroundHandler() {
         return;
       }
 
-      // Get external board directory
-      const boardDir = await getBoardDir(projectPath);
+      // Get board directory
+      const boardDir = getBoardDir(projectPath);
       await fs.mkdir(boardDir, { recursive: true });
 
       // Decode base64 data (remove data URL prefix if present)

apps/server/src/routes/fs/routes/save-image.ts

@@ -1,5 +1,5 @@
 /**
- * POST /save-image endpoint - Save image to external automaker images directory
+ * POST /save-image endpoint - Save image to .automaker images directory
  */
 
 import type { Request, Response } from "express";
@@ -27,8 +27,8 @@ export function createSaveImageHandler() {
         return;
       }
 
-      // Get external images directory
-      const imagesDir = await getImagesDir(projectPath);
+      // Get images directory
+      const imagesDir = getImagesDir(projectPath);
       await fs.mkdir(imagesDir, { recursive: true });
 
       // Decode base64 data (remove data URL prefix if present)