Update inline analysis to support structured lists for ChatGPT Actions compatibility

diffcontext-service/backend/main.py

@@ -46,9 +46,13 @@ class CompileRequest(BaseModel):
     symbol: str
     max_tokens: int = 8000
 
+class FileItem(BaseModel):
+    filename: str
+    content: str
+
 class InlineRequest(BaseModel):
     """Lets beginners paste code directly without uploading a zip."""
-    files: Dict[str, str]   # filename -> source code
+    files: List[FileItem]   # list of file items to make it compatible with GPT Actions
     symbol: str             # which function to analyze
 
 class HealthResponse(BaseModel):
@@ -325,7 +329,11 @@ def analyze_inline(req: InlineRequest):
     """
     tmp_dir = tempfile.mkdtemp(prefix="diffctx_inline_")
     try:
-        for filename, code in req.files.items():
+        files_dict = {}
+        for f in req.files:
+            files_dict[f.filename] = f.content
+
+        for filename, code in files_dict.items():
             # Safety: strip any path traversal
             safe_name = Path(filename).name
             filepath = os.path.join(tmp_dir, safe_name)

diffcontext/mcp_server.py

@@ -352,7 +352,15 @@ if HAS_MCP:
                     symbol = arguments["symbol"]
                     tmp_dir = tempfile.mkdtemp(prefix="diffctx_mcp_")
                     try:
-                        for filename, code in files.items():
+                        files_dict = {}
+                        if isinstance(files, list):
+                            for f in files:
+                                if isinstance(f, dict):
+                                    files_dict[f.get("filename")] = f.get("content")
+                        else:
+                            files_dict = files
+
+                        for filename, code in files_dict.items():
                             safe_name = Path(filename).name
                             with open(os.path.join(tmp_dir, safe_name), "w") as f:
                                 f.write(code)