Merge branch 'feature/vision-handoff' into dev

# Conflicts:
#	.dispatch/transport-contract.reference.md
#	backend-handoff.md
#	src/app/App.svelte
#	src/features/chat/ui/Composer.svelte

1 files changed, 44 insertions, 2 deletions

diff --git a/src/features/chat/ui/ModelSelector.svelte b/src/features/chat/ui/ModelSelector.svelte
index 03acb79..11b9feb 100644
--- a/src/features/chat/ui/ModelSelector.svelte
+++ b/src/features/chat/ui/ModelSelector.svelte
@@ -1,20 +1,32 @@
 <script lang="ts">
-  import { joinModelName, modelKeys, modelsForKey, splitModelName } from "../model-select";
+  import type { ModelMetadata } from "@dispatch/transport-contract";
+  import { isVisionModel, joinModelName, modelKeys, modelsForKey, splitModelName } from "../model-select";
 
   let {
     models,
     selected,
     onSelect,
+    modelInfo = {},
   }: {
     models: readonly string[];
     selected: string;
     onSelect: (model: string) => void;
+    /**
+     * Per-model metadata from `GET /models` (`{ [name]: ModelMetadata }`).
+     * Used to show a "vision" badge next to models with `vision: true` (they
+     * natively accept images; others rely on the server's vision handoff).
+     * Optional — absent metadata → no badge (treated as non-vision).
+     */
+    modelInfo?: Readonly<Record<string, ModelMetadata>>;
   } = $props();
 
   const keys = $derived(modelKeys(models));
   const current = $derived(splitModelName(selected));
   const keyModels = $derived(modelsForKey(models, current.key));
 
+  // Whether the currently-selected full model name is vision-capable.
+  const selectedVision = $derived(isVisionModel(modelInfo, selected));
+
   // Switching key jumps to the first model available under it.
   function selectKey(key: string): void {
     const first = modelsForKey(models, key)[0] ?? "";
@@ -24,6 +36,11 @@
   function selectModel(model: string): void {
     onSelect(joinModelName(current.key, model));
   }
+
+  // The full `<key>/<model>` name for a model suffix under the current key.
+  function fullNameFor(modelSuffix: string): string {
+    return joinModelName(current.key, modelSuffix);
+  }
 </script>
 
 <div class="flex flex-col gap-2">
@@ -44,7 +61,32 @@
     aria-label="Model selector"
   >
     {#each keyModels as model (model)}
-      <option value={model}>{model}</option>
+      <option value={model}>
+        {model}{#if isVisionModel(modelInfo, fullNameFor(model))} · vision{/if}
+      </option>
     {/each}
   </select>
+  {#if selectedVision}
+    <div class="flex items-center gap-1 text-xs text-base-content/60">
+      <svg
+        xmlns="http://www.w3.org/2000/svg"
+        viewBox="0 0 24 24"
+        fill="none"
+        stroke="currentColor"
+        stroke-width="2"
+        stroke-linecap="round"
+        stroke-linejoin="round"
+        class="h-3.5 w-3.5"
+        aria-hidden="true"
+      >
+        <path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path>
+        <circle cx="12" cy="12" r="3"></circle>
+      </svg>
+      <span>Vision — this model sees images natively</span>
+    </div>
+  {:else}
+    <div class="text-xs text-base-content/40">
+      Pasted images are auto-described (vision handoff)
+    </div>
+  {/if}
 </div>