feat: move meta/dev under cover, upload dialog on file select

Game Detail:
- Year/genre badges and developer/publisher info moved from
  the info column to the cover column (below the cover image)
- Edit mode unaffected — fields remain in the form on the right
- Added CSS spacing for meta/dev in cover section

Library upload:
- Removed the always-visible title input field
- After selecting a .zip, a modal dialog appears with two options:
  1. 'Use filename as title' — uploads immediately with filename
  2. Custom title input + 'Upload' button
  Plus a Cancel button
- Modal is dismissible by clicking outside or Cancel

frontend/src/pages/GameDetail.svelte

@@ -156,13 +156,24 @@
     <a href="#/" class="back-link">← Back to Library</a>
 
     <div class="detail-layout">
-      <!-- Cover -->
+      <!-- Cover + Meta + Developer -->
       <div class="cover-section">
         {#if game.has_cover}
           <img src={`/games/${game.id}/cover.jpg`} alt={game.title} class="cover-img" />
         {:else}
           <div class="cover-placeholder">💾</div>
         {/if}
+        {#if !editing}
+          {#if game.year || game.genre}
+            <div class="meta">
+              {#if game.year}<span class="meta-item">{game.year}</span>{/if}
+              {#if game.genre}<span class="meta-item">{game.genre}</span>{/if}
+            </div>
+          {/if}
+          {#if game.developer}
+            <p class="dev">by {game.developer}{game.publisher ? ` · ${game.publisher}` : ""}</p>
+          {/if}
+        {/if}
       </div>
 
       <!-- Info -->
@@ -186,15 +197,6 @@
           </div>
         {:else}
           <h1>{game.title}</h1>
-          {#if game.year || game.genre}
-            <div class="meta">
-              {#if game.year}<span class="meta-item">{game.year}</span>{/if}
-              {#if game.genre}<span class="meta-item">{game.genre}</span>{/if}
-            </div>
-          {/if}
-          {#if game.developer}
-            <p class="dev">by {game.developer}{game.publisher ? ` · ${game.publisher}` : ""}</p>
-          {/if}
           {#if game.description}
             <p class="description">{game.description}</p>
           {/if}
@@ -333,6 +335,8 @@
   .detail-layout > * { min-width: 0; } /* prevent grid overflow from wide content */
   @media (max-width: 640px) { .detail-layout { grid-template-columns: 1fr; } }
   .cover-section { border-radius: var(--radius); overflow: hidden; }
+  .cover-section .meta { margin-top: 12px; }
+  .cover-section .dev { margin-top: 8px; }
   .cover-img { width: 100%; border-radius: var(--radius); }
   .cover-placeholder { aspect-ratio: 3/4; background: var(--surface); display: flex; align-items: center; justify-content: center; font-size: 4rem; border-radius: var(--radius); }
   .info-section h1 { color: var(--phosphor); font-family: var(--font-mono); margin-bottom: 8px; word-break: break-word; }

frontend/src/pages/Library.svelte

@@ -7,7 +7,12 @@
   let search = $state("");
   let uploading = $state(false);
   let uploadError = $state("");
-  let uploadTitle = $state("");
+
+  // Post-selection upload dialog
+  let pendingFile = $state(null);
+  let pendingFileName = $state("");
+  let pendingTitle = $state("");
+
   let fileInput;
 
   async function loadGames() {
@@ -21,16 +26,31 @@
     loading = false;
   }
 
-  async function handleUpload(e) {
+  function handleFileSelected(e) {
     const file = e.target.files?.[0];
     if (!file) return;
+    const name = file.name.replace(/\.zip$/i, "");
+    pendingFile = file;
+    pendingFileName = name;
+    pendingTitle = "";
+    // Reset input so the same file can be re-selected
+    fileInput.value = "";
+  }
+
+  function cancelUpload() {
+    pendingFile = null;
+    pendingFileName = "";
+    pendingTitle = "";
+  }
+
+  async function doUpload(title) {
+    if (!pendingFile) return;
     uploading = true;
     uploadError = "";
     try {
-      await uploadGame(file, uploadTitle.trim() || undefined);
-      uploadTitle = "";
+      await uploadGame(pendingFile, title || undefined);
+      cancelUpload();
       await loadGames();
-      fileInput.value = "";
     } catch (err) {
       uploadError = err.message;
     }
@@ -53,13 +73,6 @@
         oninput={() => loadGames()}
       />
       <div class="upload-group">
-        <input
-          type="text"
-          class="title-input"
-          placeholder="Title (optional)"
-          bind:value={uploadTitle}
-          disabled={uploading}
-        />
         <label class="btn btn-primary upload-label">
           {uploading ? "Uploading..." : "+ Upload"}
           <input
@@ -67,7 +80,7 @@
             type="file"
             accept=".zip"
             class="hidden-input"
-            onchange={handleUpload}
+            onchange={handleFileSelected}
             disabled={uploading}
           />
         </label>
@@ -75,6 +88,32 @@
     </div>
   </div>
 
+  {#if pendingFile}
+    <div class="upload-overlay" onclick={cancelUpload} role="presentation">
+      <div class="upload-dialog" onclick={(e) => e.stopPropagation()} role="dialog">
+        <h3>Upload Game</h3>
+        <p class="upload-file-name">{pendingFileName}.zip</p>
+        <div class="upload-dialog-actions">
+          <button class="btn btn-primary" onclick={() => doUpload("")} disabled={uploading}>
+            {uploading ? "Uploading..." : "Use filename as title"}
+          </button>
+          <div class="upload-custom-row">
+            <input
+              type="text"
+              placeholder="Enter a custom title..."
+              bind:value={pendingTitle}
+              disabled={uploading}
+            />
+            <button class="btn" onclick={() => doUpload(pendingTitle.trim())} disabled={uploading || !pendingTitle.trim()}>
+              Upload
+            </button>
+          </div>
+          <button class="btn" onclick={cancelUpload} disabled={uploading}>Cancel</button>
+        </div>
+      </div>
+    </div>
+  {/if}
+
   {#if uploadError}
     <div class="error">{uploadError}</div>
   {/if}
@@ -131,7 +170,6 @@
     .toolbar-actions { width: 100%; flex-direction: column; }
     .toolbar-actions input[type="text"] { width: 100%; min-width: 0; }
     .upload-group { width: 100%; }
-    .title-input { width: 100% !important; min-width: 0 !important; }
   }
   .toolbar-actions input {
     min-width: 200px;
@@ -141,10 +179,6 @@
     gap: 8px;
     align-items: center;
   }
-  .title-input {
-    min-width: 160px !important;
-    width: 160px;
-  }
   .hidden-input {
     display: none;
   }
@@ -196,4 +230,48 @@
     color: var(--text-dim);
     font-size: 0.85rem;
   }
+
+  /* Upload dialog overlay */
+  .upload-overlay {
+    position: fixed;
+    inset: 0;
+    background: rgba(0,0,0,0.7);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 200;
+    padding: 16px;
+  }
+  .upload-dialog {
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: var(--radius);
+    padding: 24px;
+    max-width: 420px;
+    width: 100%;
+  }
+  .upload-dialog h3 {
+    margin-bottom: 4px;
+    color: var(--phosphor);
+    font-family: var(--font-mono);
+  }
+  .upload-file-name {
+    color: var(--text-dim);
+    font-size: 0.85rem;
+    margin-bottom: 20px;
+    word-break: break-all;
+  }
+  .upload-dialog-actions {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+  }
+  .upload-custom-row {
+    display: flex;
+    gap: 8px;
+  }
+  .upload-custom-row input {
+    flex: 1;
+  }
+
 </style>