docs: add FAQ entry about assigning in a private repo (#218)

* fixed file ingestion

* working binary files

* added replaced baseUrl

* fix: add type assertion for GitHub blob API response

Fixes TypeScript error where blobData was of type 'unknown' by adding
proper type assertion for the blob creation response.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Andrew Grosser <dioptre@gmail.com>
Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Andrew Grosser <dioptre@gmail.com>
Co-authored-by: Claude <noreply@anthropic.com>

FAQ.md

@@ -12,6 +12,10 @@ The `github-actions` user cannot trigger subsequent GitHub Actions workflows. Th
 
 Only users with **write permissions** to the repository can trigger Claude. This is a security feature to prevent unauthorized use. Make sure the user commenting has at least write access to the repository.
 
+### Why can't I assign @claude to an issue on my repository?
+
+If you're in a public repository, you should be able to assign to Claude without issue. If it's a private organization repository, you can only assign to users in your own organization, which Claude isn't. In this case, you'll need to make a custom user in that case.
+
 ### Why am I getting OIDC authentication errors?
 
 If you're using the default GitHub App authentication, you must add the `id-token: write` permission to your workflow:

action.yml

@@ -106,6 +106,7 @@ runs:
       env:
         TRIGGER_PHRASE: ${{ inputs.trigger_phrase }}
         ASSIGNEE_TRIGGER: ${{ inputs.assignee_trigger }}
+        LABEL_TRIGGER: ${{ inputs.label_trigger }}
         BASE_BRANCH: ${{ inputs.base_branch }}
         BRANCH_PREFIX: ${{ inputs.branch_prefix }}
         ALLOWED_TOOLS: ${{ inputs.allowed_tools }}
@@ -119,7 +120,7 @@ runs:
     - name: Run Claude Code
       id: claude-code
       if: steps.prepare.outputs.contains_trigger == 'true'
-      uses: anthropics/claude-code-base-action@ba0557c14198bf2fbafbfe80932dde39e574a14c # v0.0.26
+      uses: anthropics/claude-code-base-action@f6ef8c1000c0197b625af70349f68cb212e34fc1 # v0.0.28
       with:
         prompt_file: ${{ runner.temp }}/claude-prompts/claude-prompt.txt
         allowed_tools: ${{ env.ALLOWED_TOOLS }}

src/mcp/github-file-ops-server.ts

@@ -125,6 +125,50 @@ server.tool(
             ? filePath
             : join(REPO_DIR, filePath);
 
+          // Check if file is binary (images, etc.)
+          const isBinaryFile =
+            /\.(png|jpg|jpeg|gif|webp|ico|pdf|zip|tar|gz|exe|bin|woff|woff2|ttf|eot)$/i.test(
+              filePath,
+            );
+
+          if (isBinaryFile) {
+            // For binary files, create a blob first using the Blobs API
+            const binaryContent = await readFile(fullPath);
+
+            // Create blob using Blobs API (supports encoding parameter)
+            const blobUrl = `${GITHUB_API_URL}/repos/${owner}/${repo}/git/blobs`;
+            const blobResponse = await fetch(blobUrl, {
+              method: "POST",
+              headers: {
+                Accept: "application/vnd.github+json",
+                Authorization: `Bearer ${githubToken}`,
+                "X-GitHub-Api-Version": "2022-11-28",
+                "Content-Type": "application/json",
+              },
+              body: JSON.stringify({
+                content: binaryContent.toString("base64"),
+                encoding: "base64",
+              }),
+            });
+
+            if (!blobResponse.ok) {
+              const errorText = await blobResponse.text();
+              throw new Error(
+                `Failed to create blob for ${filePath}: ${blobResponse.status} - ${errorText}`,
+              );
+            }
+
+            const blobData = (await blobResponse.json()) as { sha: string };
+
+            // Return tree entry with blob SHA
+            return {
+              path: filePath,
+              mode: "100644",
+              type: "blob",
+              sha: blobData.sha,
+            };
+          } else {
+            // For text files, include content directly in tree
             const content = await readFile(fullPath, "utf-8");
             return {
               path: filePath,
@@ -132,6 +176,7 @@ server.tool(
               type: "blob",
               content: content,
             };
+          }
         }),
       );