fix: properly compile entire Go module directory (final fix)

- Removed the main.go-only path that was still present
- Now always compiles the entire module directory
- Ensures TinyGo sees all Go files in the same package
- Resolves multi-file Go component build failures definitively

Author: avrabe

go/defs.bzl

@@ -232,21 +232,9 @@ def _compile_tinygo_module(ctx, tinygo, go_binary, wasm_opt_binary, wasm_tools,
                 ctx.attr.world,
             ])
 
-    # Find main Go file path within the module directory
-    main_go_found = False
-    main_go_path = None
-    for src in ctx.files.srcs:
-        if src.basename == "main.go":
-            main_go_path = go_module_files.path + "/main.go"
-            main_go_found = True
-            break
-
-    if main_go_found:
-        tinygo_args.append(main_go_path)
-    else:
-        # If no main.go, compile the entire module directory
-        # This allows TinyGo to see all Go files in the package
-        tinygo_args.append(go_module_files.path)
+    # Always compile the entire Go module directory to include all source files
+    # This ensures TinyGo can see all Go files in the same package, not just main.go
+    tinygo_args.append(go_module_files.path)
 
     # Validate that we have Go source files
     go_files = [src for src in ctx.files.srcs if src.extension == "go"]