fix: resolve the weird path issues from windows <-> WSL (#106)

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### Dependencies

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### Tests

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Reviewed-on: #106
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src/lib/components/InputBar.svelte

@@ -447,11 +447,12 @@ User: ${formattedMessage}`;
         try {
           const arrayBuffer = await file.arrayBuffer();
           const bytes = Array.from(new Uint8Array(arrayBuffer));
-          savedPath = await invoke<string>("save_temp_file", {
+          const result = await invoke<{ path: string; filename: string }>("save_temp_file", {
             conversationId,
             filename,
             data: bytes,
           });
+          savedPath = result.path;
         } catch (error) {
           console.error("Failed to save dropped file to temp:", error);
           savedPath = file.name;
@@ -585,11 +586,12 @@ User: ${formattedMessage}`;
             try {
               const arrayBuffer = await file.arrayBuffer();
               const bytes = Array.from(new Uint8Array(arrayBuffer));
-              savedPath = await invoke<string>("save_temp_file", {
+              const result = await invoke<{ path: string; filename: string }>("save_temp_file", {
                 conversationId,
                 filename,
                 data: bytes,
               });
+              savedPath = result.path;
             } catch (error) {
               console.error("Failed to save pasted file to temp:", error);
             }
@@ -647,11 +649,12 @@ User: ${formattedMessage}`;
               try {
                 const arrayBuffer = await blob.arrayBuffer();
                 const bytes = Array.from(new Uint8Array(arrayBuffer));
-                savedPath = await invoke<string>("save_temp_file", {
+                const result = await invoke<{ path: string; filename: string }>("save_temp_file", {
                   conversationId,
                   filename,
                   data: bytes,
                 });
+                savedPath = result.path;
               } catch (error) {
                 console.error("Failed to save clipboard image to temp:", error);
               }