Add IPFS link to recipe S-expression display

- Show ipfs://... link next to recipe S-expression header
- Links to ipfs.io gateway for viewing the raw S-expression

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/routers/runs.py

@@ -179,6 +179,7 @@ async def get_run(
         # Try to load the recipe to show the plan
         plan = None
         plan_sexp = None  # Native S-expression if available
+        recipe_ipfs_cid = None
         recipe_id = run.get("recipe")
         if recipe_id and len(recipe_id) == 64:  # Looks like a hash
             try:
@@ -189,6 +190,8 @@ async def get_run(
                     # Use native S-expression if available (code is data!)
                     if recipe.get("sexp"):
                         plan_sexp = recipe["sexp"]
+                    # Get IPFS CID for the recipe
+                    recipe_ipfs_cid = recipe.get("ipfs_cid")
 
                     # Build steps for DAG visualization
                     dag = recipe.get("dag", {})
@@ -329,6 +332,7 @@ async def get_run(
             dag_elements=dag_elements,
             output_media_type=output_media_type,
             plan_sexp=plan_sexp,
+            recipe_ipfs_cid=recipe_ipfs_cid,
             active_tab="runs",
         )
 

app/templates/runs/detail.html

@@ -159,8 +159,16 @@
         <!-- Recipe/Plan S-expression -->
         {% if plan_sexp %}
         <details class="mt-6" open>
-            <summary class="cursor-pointer text-gray-400 hover:text-white text-sm mb-2">
-                Recipe (S-expression)
+            <summary class="cursor-pointer text-gray-400 hover:text-white text-sm mb-2 flex items-center justify-between">
+                <span>Recipe (S-expression)</span>
+                {% if recipe_ipfs_cid %}
+                <a href="https://ipfs.io/ipfs/{{ recipe_ipfs_cid }}"
+                   target="_blank"
+                   onclick="event.stopPropagation()"
+                   class="text-blue-400 hover:text-blue-300 text-xs font-mono ml-4">
+                    ipfs://{{ recipe_ipfs_cid[:16] }}...
+                </a>
+                {% endif %}
             </summary>
             <div class="bg-gray-900 rounded-lg border border-gray-700 p-4 overflow-x-auto">
                 <pre class="text-sm font-mono sexp-code">{{ plan_sexp }}</pre>