Add production model card artifact README.md

README.md

@@ -32,7 +32,7 @@ Custom PyTorch Transformer checkpoint trained on MeetingBank for meeting summari
 
 ## Architecture
 
-![Architecture diagram](architecture.svg)
+![Architecture diagram](architecture.png)
 
 Static architecture diagram generated from this run's `config.json`, including model width, depth, sequence dimensions, and attention-specific settings.
 
@@ -60,7 +60,7 @@ Raw curve data is available in [`loss_curve.csv`](loss_curve.csv).
 |---|---|
 | `meeting_model19.pt` | PyTorch checkpoint containing `model_state_dict`, optimizer states, epoch, and global step. |
 | `config.json` | Training and architecture config converted from the Hydra run config. |
-| `architecture.svg` | Architecture diagram generated from the saved model config, with block shapes and dimensions. |
+| `architecture.png` | Architecture diagram generated from the saved model config, with block shapes and dimensions. |
 | `tokenizer.json` | MeetingBank transcript tokenizer alias for source inputs. |
 | `transcript_tokenizer.json` | Explicit MeetingBank transcript tokenizer. |
 | `summary_tokenizer.json` | MeetingBank summary tokenizer for target text. |