Send revision notes with attached slides

apps/api/src/server.ts

@@ -120,7 +120,10 @@ app.post("/api/decks/from-source", upload.single("source"), async (req, res, nex
     const source = file ? await sourceFromUpload(file) : sourceFromText(pastedText);
     const result = await createDeckArtifacts({
       source,
-      instructions: stringField(req.body.instructions),
+      instructions: combineInstructions(
+        stringField(req.body.instructions),
+        file && pastedText.trim() ? `Attached slide/deck update instructions:\n${pastedText.trim()}` : undefined
+      ),
       audience: stringField(req.body.audience) || "executives",
       styleId: stringField(req.body.style) || "incorta",
       designTemplate: parseDesignTemplateField(req.body.designTemplate)
@@ -805,6 +808,11 @@ function stringField(value: unknown): string | undefined {
   return typeof value === "string" && value.trim() ? value.trim() : undefined;
 }
 
+function combineInstructions(...values: Array<string | undefined>): string | undefined {
+  const parts = values.map((value) => value?.trim()).filter(Boolean);
+  return parts.length ? parts.join("\n\n") : undefined;
+}
+
 async function exists(targetPath: string): Promise<boolean> {
   try {
     await access(targetPath);

apps/web/src/main.tsx

@@ -196,6 +196,9 @@ function App() {
     setFile(nextFile);
     setResult(null);
     setError(null);
+    if (nextFile && content.trim() === initialContent.trim()) {
+      setContent("");
+    }
     if (nextFile?.type.startsWith("image/")) {
       setPreviewUrl(URL.createObjectURL(nextFile));
     } else {
@@ -348,7 +351,8 @@ function App() {
       selectedTemplate.layoutRules?.length ? `Layout rules:\n- ${selectedTemplate.layoutRules.join("\n- ")}` : "",
       selectedTemplate.componentRules?.length ? `Component rules:\n- ${selectedTemplate.componentRules.join("\n- ")}` : "",
       selectedTemplate.slideFamilies?.length ? `Supported slide families: ${selectedTemplate.slideFamilies.join(", ")}.` : "",
-      selectedTemplate.prompt ? `Reusable design prompt: ${selectedTemplate.prompt}` : ""
+      selectedTemplate.prompt ? `Reusable design prompt: ${selectedTemplate.prompt}` : "",
+      file && content.trim() ? `Attached slide/deck update instructions:\n${content.trim()}` : ""
     ]
       .filter(Boolean)
       .join("\n");
@@ -372,6 +376,7 @@ function App() {
     formData.set("audience", "executives");
     formData.set("instructions", designAwareInstructions());
     formData.set("designTemplate", JSON.stringify(templateForRequest(selectedTemplate)));
+    if (content.trim()) formData.set("content", content.trim());
     return fetch("/api/decks/from-source", {
       method: "POST",
       body: formData
@@ -724,14 +729,11 @@ function SourceInput(props: DeckPaneProps & { dropLabel: string; textLabel: stri
       </label>
 
       <label className="field content">
-        <span>{props.textLabel}</span>
+        <span>{props.file ? "Update instructions for attached slide / deck" : props.textLabel}</span>
         <textarea
           value={props.content}
           onPaste={props.onPaste}
-          onChange={(event) => {
+          onChange={(event) => props.onContent(event.target.value)}
-            props.onContent(event.target.value);
-            if (props.file) props.onFile(null);
-          }}
         />
       </label>
     </>