feat: add image input to art/avatar modes and notes to replace mode

- Art and Avatar modes now support optional image uploads via paste or
  file picker, sent to Gemini alongside the text prompt
- Initial Replace mode gains an optional textarea for notes to include
  with the uploaded image
- Backend updated to send user images for all modes, appending replace
  instructions only when in replace mode
- Send validation updated to allow image-only messages in art/avatar

package.json

@@ -25,7 +25,7 @@
     "@types/react-dom": "19.1.2",
     "autoprefixer": "10.4.21",
     "eslint": "9.25.1",
-    "postcss": "8.5.8",
+    "postcss": "8.5.3",
     "tailwindcss": "3.4.17",
     "typescript": "5.8.3",
     "vite": "6.3.2",

pnpm-lock.yaml

@@ -44,13 +44,13 @@ importers:
         version: 4.4.1(vite@6.3.2(jiti@1.21.7)(yaml@2.8.3))
       autoprefixer:
         specifier: 10.4.21
-        version: 10.4.21(postcss@8.5.8)
+        version: 10.4.21(postcss@8.5.3)
       eslint:
         specifier: 9.25.1
         version: 9.25.1(jiti@1.21.7)
       postcss:
-        specifier: 8.5.8
+        specifier: 8.5.3
-        version: 8.5.8
+        version: 8.5.3
       tailwindcss:
         specifier: 3.4.17
         version: 3.4.17
@@ -1930,8 +1930,8 @@ packages:
   postcss-value-parser@4.2.0:
     resolution: {integrity: sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==}
 
-  postcss@8.5.8:
+  postcss@8.5.3:
-    resolution: {integrity: sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==}
+    resolution: {integrity: sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==}
     engines: {node: ^10 || ^12 || >=14}
 
   prelude-ls@1.2.1:
@@ -3283,14 +3283,14 @@ snapshots:
 
   async-function@1.0.0: {}
 
-  autoprefixer@10.4.21(postcss@8.5.8):
+  autoprefixer@10.4.21(postcss@8.5.3):
     dependencies:
       browserslist: 4.28.2
       caniuse-lite: 1.0.30001787
       fraction.js: 4.3.7
       normalize-range: 0.1.2
       picocolors: 1.1.1
-      postcss: 8.5.8
+      postcss: 8.5.3
       postcss-value-parser: 4.2.0
 
   available-typed-arrays@1.0.7:
@@ -4386,28 +4386,28 @@ snapshots:
 
   possible-typed-array-names@1.1.0: {}
 
-  postcss-import@15.1.0(postcss@8.5.8):
+  postcss-import@15.1.0(postcss@8.5.3):
     dependencies:
-      postcss: 8.5.8
+      postcss: 8.5.3
       postcss-value-parser: 4.2.0
       read-cache: 1.0.0
       resolve: 1.22.11
 
-  postcss-js@4.1.0(postcss@8.5.8):
+  postcss-js@4.1.0(postcss@8.5.3):
     dependencies:
       camelcase-css: 2.0.1
-      postcss: 8.5.8
+      postcss: 8.5.3
 
-  postcss-load-config@4.0.2(postcss@8.5.8):
+  postcss-load-config@4.0.2(postcss@8.5.3):
     dependencies:
       lilconfig: 3.1.3
       yaml: 2.8.3
     optionalDependencies:
-      postcss: 8.5.8
+      postcss: 8.5.3
 
-  postcss-nested@6.2.0(postcss@8.5.8):
+  postcss-nested@6.2.0(postcss@8.5.3):
     dependencies:
-      postcss: 8.5.8
+      postcss: 8.5.3
       postcss-selector-parser: 6.1.2
 
   postcss-selector-parser@6.1.2:
@@ -4417,7 +4417,7 @@ snapshots:
 
   postcss-value-parser@4.2.0: {}
 
-  postcss@8.5.8:
+  postcss@8.5.3:
     dependencies:
       nanoid: 3.3.11
       picocolors: 1.1.1
@@ -4757,11 +4757,11 @@ snapshots:
       normalize-path: 3.0.0
       object-hash: 3.0.0
       picocolors: 1.1.1
-      postcss: 8.5.8
+      postcss: 8.5.3
-      postcss-import: 15.1.0(postcss@8.5.8)
+      postcss-import: 15.1.0(postcss@8.5.3)
-      postcss-js: 4.1.0(postcss@8.5.8)
+      postcss-js: 4.1.0(postcss@8.5.3)
-      postcss-load-config: 4.0.2(postcss@8.5.8)
+      postcss-load-config: 4.0.2(postcss@8.5.3)
-      postcss-nested: 6.2.0(postcss@8.5.8)
+      postcss-nested: 6.2.0(postcss@8.5.3)
       postcss-selector-parser: 6.1.2
       resolve: 1.22.11
       sucrase: 3.35.1
@@ -4884,7 +4884,7 @@ snapshots:
       esbuild: 0.25.12
       fdir: 6.5.0(picomatch@4.0.4)
       picomatch: 4.0.4
-      postcss: 8.5.8
+      postcss: 8.5.3
       rollup: 4.60.1
       tinyglobby: 0.2.16
     optionalDependencies:

src-tauri/src/gemini.rs

@@ -83,22 +83,26 @@ fn build_user_gemini_parts(
     user_image_base64: &Option<String>,
     user_image_mime: &Option<String>,
 ) -> Vec<Value> {
-    if mode == "replace" && user_image_base64.is_some() {
+    if let Some(image_data) = user_image_base64.as_deref() {
         let mime = user_image_mime.as_deref().unwrap_or("image/png");
-        let data = user_image_base64.as_deref().unwrap_or("");
         let base_text = user_text.as_deref().unwrap_or("");
-        let final_text = if base_text.is_empty() {
+        let final_text = if mode == "replace" {
-            REPLACE_MODE_APPEND.to_string()
+            if base_text.is_empty() {
+                REPLACE_MODE_APPEND.to_string()
+            } else {
+                format!("{}\n{}", base_text, REPLACE_MODE_APPEND)
+            }
         } else {
-            format!("{}\n{}", base_text, REPLACE_MODE_APPEND)
+            base_text.to_string()
         };
 
-        vec![
+        let mut parts = vec![json!({"inlineData": {"mimeType": mime, "data": image_data}})];
-            json!({"inlineData": {"mimeType": mime, "data": data}}),
+        if !final_text.is_empty() {
-            json!({"text": final_text}),
+            parts.push(json!({"text": final_text}));
-        ]
+        }
+        parts
     } else {
-        // Art/avatar mode, or replace mode follow-up correction (text only)
+        // No image: text-only message
         let text = user_text.as_deref().unwrap_or("");
         vec![json!({"text": text})]
     }

src/components/inputArea.tsx

@@ -256,7 +256,8 @@ const inputArea = ({
     if (isInitialReplace && imageBase64 === undefined) {
       return;
     }
-    if (!isInitialReplace && text.trim().length === 0) {
+    const hasContent = text.trim().length > 0 || imageBase64 !== undefined;
+    if (!isInitialReplace && !hasContent) {
       return;
     }
 
@@ -332,6 +333,9 @@ const inputArea = ({
       : dropZoneInactiveClass,
   ].join(" ");
 
+  const hasNoContent = text.trim().length === 0 && imageBase64 === undefined;
+  const isSendDisabled = isLoading || hasNoContent;
+
   return (
     <div className="border-t border-purple-900/30 p-4 bg-[#0f0a1a]">
       <div className="flex items-center gap-2 mb-2">
@@ -397,6 +401,15 @@ const inputArea = ({
             type="file"
           />
 
+          <textarea
+            className={textareaClass}
+            disabled={isLoading}
+            onChange={handleTextChange}
+            placeholder="Add notes to include with the image (optional)..."
+            rows={2}
+            value={text}
+          />
+
           <button
             className={replaceButtonClass}
             disabled={isLoading || imageBase64 === undefined}
@@ -414,41 +427,40 @@ const inputArea = ({
         </div>
 
         : <div className="flex flex-col gap-3">
-          {mode === "replace"
+          <div className="flex flex-col gap-2">
-            ? <div className="flex flex-col gap-2">
+            {imagePreview === undefined
-              {imagePreview === undefined
+              ? <button
-                ? <button
+                className={pasteButtonClass}
-                  className={pasteButtonClass}
+                onClick={handlePasteButtonClick}
-                  onClick={handlePasteButtonClick}
+                type="button"
+              >
+                {mode === "replace"
+                  ? "📋 Paste replacement image (optional)"
+                  : "📋 Paste image (optional)"}
+              </button>
+
+              : <div className="relative inline-block">
+                <img
+                  alt="Upload preview"
+                  className="max-h-32 rounded-lg border border-purple-700/40"
+                  src={imagePreview}
+                />
+                <button
+                  className={clearButtonClass}
+                  onClick={clearImage}
                   type="button"
                 >
-                  {"📋 Paste replacement image (optional)"}
+                  {"×"}
                 </button>
-
+              </div>}
-                : <div className="relative inline-block">
+            <input
-                  <img
+              accept="image/*"
-                    alt="Upload preview"
+              className="hidden"
-                    className="max-h-32 rounded-lg border border-purple-700/40"
+              onChange={handleFileChange}
-                    src={imagePreview}
+              ref={fileInputReference}
-                  />
+              type="file"
-                  <button
+            />
-                    className={clearButtonClass}
+          </div>
-                    onClick={clearImage}
-                    type="button"
-                  >
-                    {"×"}
-                  </button>
-                </div>}
-              <input
-                accept="image/*"
-                className="hidden"
-                onChange={handleFileChange}
-                ref={fileInputReference}
-                type="file"
-              />
-            </div>
-
-            : null}
 
           <div className="flex gap-3 items-end">
             <textarea
@@ -464,7 +476,7 @@ const inputArea = ({
             />
             <button
               className={sendButtonClass}
-              disabled={isLoading || text.trim().length === 0}
+              disabled={isSendDisabled}
               onClick={handleSend}
               type="button"
             >