Remove REST API, keep GraphQL as sole API

- Add missing GraphQL mutations: retryJob, updateAsset, deleteAsset
- Add UpdateAssetRequest and DeleteResult to schema source of truth
- Move Lambda callback endpoint to main.py (only REST endpoint)
- Remove REST routes, pydantic schemas, and deps
- Remove pydantic target from modelgen.json
- Update architecture diagrams and documentation

docs/index.html

@@ -65,8 +65,7 @@
                 </li>
                 <li>
                     <span class="color-box" style="background: #f0f8e8"></span>
-                    Application Layer (Django Admin, FastAPI + GraphQL, Timeline
-                    UI)
+                    Application Layer (Django Admin, GraphQL API, Timeline UI)
                 </li>
                 <li>
                     <span class="color-box" style="background: #fff8e8"></span>
@@ -223,15 +222,22 @@ MEDIA_BASE_URL=https://source-bucket.s3.amazonaws.com/media/</code></pre>
         </div>
 
         <div class="legend">
-            <h3>API Endpoints</h3>
+            <h3>API (GraphQL)</h3>
+            <p>
+                All client interactions go through GraphQL at
+                <code>/graphql</code>.
+            </p>
             <ul>
                 <li>
-                    <code>POST /api/assets/scan</code> - Recursively scans
-                    MEDIA_IN and registers video/audio files
+                    <code>scanMediaFolder</code> - Scan S3 bucket for media
+                    files
+                </li>
+                <li><code>createJob</code> - Create transcode/trim job</li>
+                <li>
+                    <code>cancelJob / retryJob</code> - Job lifecycle management
                 </li>
                 <li>
-                    <code>POST /api/jobs/</code> - Creates transcoding job with
-                    source asset, preset, and optional trim times
+                    <code>updateAsset / deleteAsset</code> - Asset management
                 </li>
             </ul>
             <p><strong>Supported File Types:</strong></p>
@@ -241,15 +247,13 @@ MEDIA_BASE_URL=https://source-bucket.s3.amazonaws.com/media/</code></pre>
             </p>
         </div>
 
-        <h2>Quick Reference</h2>
-
         <h2>Access Points</h2>
         <pre><code># Add to /etc/hosts
 127.0.0.1 mpr.local.ar
 
 # URLs
-http://mpr.local.ar/admin  - Django Admin
-http://mpr.local.ar/api    - FastAPI (docs at /api/docs)
-http://mpr.local.ar/ui     - Timeline UI</code></pre>
+http://mpr.local.ar/admin    - Django Admin
+http://mpr.local.ar/graphql  - GraphiQL IDE
+http://mpr.local.ar/         - Timeline UI</code></pre>
     </body>
 </html>