https://claude.ai/code/session_018Ym45siELMvsBQj4w9QAXf

diff --git a/lib/views/capture.rb b/lib/views/capture.rb
index c2ac6db..d6838f9 100644
--- a/lib/views/capture.rb
+++ b/lib/views/capture.rb
@@ -55,7 +55,7 @@ module Domus
             input(
               type: "file",
               name: "file",
-              accept: "image/*,application/pdf",
+              accept: "image/*",
               capture: "environment",
               class: "sr-only",
               "x-ref": "cameraInput",
@@ -64,15 +64,15 @@ module Domus
             input(
               type: "file",
               name: "file",
-              accept: "image/*,application/pdf",
+              accept: "image/*",
               class: "sr-only",
               "x-ref": "fileInput",
               "@change": "onFileInput($event)"
             )
 
             div("x-show": "state === 'capture'", class: "card-body") do
-              h2(class: "card-title") { plain "Add a document" }
-              p(class: "card-lead") { plain "Take a photo or pick a file to keep." }
+              h2(class: "card-title") { plain "Add an image" }
+              p(class: "card-lead") { plain "Take a photo or pick an image to keep." }
 
               div(class: "btn-stack") do
                 button(
diff --git a/lib/web.rb b/lib/web.rb
index 68f0d43..7782fe2 100644
--- a/lib/web.rb
+++ b/lib/web.rb
@@ -40,6 +40,7 @@ module Domus
     def save_file(params)
       upload = params["file"]
       raise ArgumentError, "missing file upload" unless upload.is_a?(Hash) && upload[:tempfile]
+      raise ArgumentError, "only images are accepted" unless upload[:type].to_s.start_with?("image/")
 
       ext = ::File.extname(upload[:filename].to_s)
       now = Time.now