fix: Handle apps without git repository gracefully in chat headers

- Return '<no-git-repo>' instead of throwing error when no .git directory exists
- Update ChatHeader and BackendChatHeader to display info message for uninitialized git repos
- Prevent 'Not a git repository' error when switching to fullstack/backend/frontend modes

Author: SFARPak

src/components/backend-chat/BackendChatHeader.tsx

@@ -109,7 +109,7 @@ export function BackendChatHeader({
   // REMINDER: KEEP UP TO DATE WITH app_handlers.ts
   const versionPostfix = versions.length === 100_000 ? `+` : "";
 
-  const isNotMainBranch = branchInfo && branchInfo.branch !== "main";
+  const isNotMainBranch = branchInfo && branchInfo.branch !== "main" && branchInfo.branch !== "<no-git-repo>";
 
   const currentBranchName = branchInfo?.branch;
 
@@ -160,7 +160,27 @@ export function BackendChatHeader({
                   </TooltipProvider>
                 </>
               )}
-              {currentBranchName && currentBranchName !== "<no-branch>" && (
+              {currentBranchName === "<no-git-repo>" && (
+                <>
+                  <TooltipProvider>
+                    <Tooltip>
+                      <TooltipTrigger asChild>
+                        <span className="flex items-center gap-1">
+                          <strong>Info:</strong>
+                          <span>Version control not initialized</span>
+                          <Info size={14} />
+                        </span>
+                      </TooltipTrigger>
+                      <TooltipContent>
+                        <p>
+                          This app does not have git version control initialized yet.
+                        </p>
+                      </TooltipContent>
+                    </Tooltip>
+                  </TooltipProvider>
+                </>
+              )}
+              {currentBranchName && currentBranchName !== "<no-branch>" && currentBranchName !== "<no-git-repo>" && (
                 <span>
                   You are on branch: <strong>{currentBranchName}</strong>.
                 </span>

src/components/chat/ChatHeader.tsx

@@ -108,7 +108,7 @@ export function ChatHeader({
   // REMINDER: KEEP UP TO DATE WITH app_handlers.ts
   const versionPostfix = versions.length === 100_000 ? `+` : "";
 
-  const isNotMainBranch = branchInfo && branchInfo.branch !== "main";
+  const isNotMainBranch = branchInfo && branchInfo.branch !== "main" && branchInfo.branch !== "<no-git-repo>";
 
   const currentBranchName = branchInfo?.branch;
 
@@ -153,6 +153,26 @@ export function ChatHeader({
                   </TooltipProvider>
                 </>
               )}
+              {currentBranchName === "<no-git-repo>" && (
+                <>
+                  <TooltipProvider>
+                    <Tooltip>
+                      <TooltipTrigger asChild>
+                        <span className="flex items-center gap-1">
+                          <strong>Info:</strong>
+                          <span>Version control not initialized</span>
+                          <Info size={14} />
+                        </span>
+                      </TooltipTrigger>
+                      <TooltipContent>
+                        <p>
+                          This app does not have git version control initialized yet.
+                        </p>
+                      </TooltipContent>
+                    </Tooltip>
+                  </TooltipProvider>
+                </>
+              )}
               {currentBranchName && currentBranchName !== "<no-branch>" && (
                 <span>
                   You are on branch: <strong>{currentBranchName}</strong>.

src/ipc/handlers/version_handlers.ts

@@ -129,7 +129,9 @@ export function registerVersionHandlers() {
 
       // Return appropriate result if the app is not a git repo
       if (!fs.existsSync(path.join(appPath, ".git"))) {
-        throw new Error("Not a git repository");
+        return {
+          branch: "<no-git-repo>",
+        };
       }
 
       try {