Send ipfs_cid when publishing cache to L2

L1 now includes IPFS CID in publish requests so L2 can
pin content on its own IPFS node for federation.

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

server.py

@@ -2116,6 +2116,10 @@ async def ui_publish_cache(content_hash: str, request: Request):
     if not origin or "type" not in origin:
         return '<div class="bg-red-900/50 border border-red-700 text-red-300 px-4 py-3 rounded-lg mb-4">Set origin before publishing</div>'
 
+    # Get IPFS CID from cache item
+    cache_item = await database.get_cache_item(content_hash)
+    ipfs_cid = cache_item.get("ipfs_cid") if cache_item else None
+
     # Call the L2 server from user's context
     l2_server = ctx.l2_server
     try:
@@ -2124,6 +2128,7 @@ async def ui_publish_cache(content_hash: str, request: Request):
             headers={"Authorization": f"Bearer {token}"},
             json={
                 "content_hash": content_hash,
+                "ipfs_cid": ipfs_cid,
                 "asset_name": asset_name,
                 "asset_type": asset_type,
                 "origin": origin,
@@ -2793,6 +2798,10 @@ async def publish_cache_to_l2(
     if not origin or "type" not in origin:
         raise HTTPException(400, "Origin must be set before publishing. Use --origin self or --origin-url <url>")
 
+    # Get IPFS CID from cache item
+    cache_item = await database.get_cache_item(content_hash)
+    ipfs_cid = cache_item.get("ipfs_cid") if cache_item else None
+
     # Get auth token to pass to L2
     token = request.cookies.get("auth_token")
     if not token:
@@ -2812,6 +2821,7 @@ async def publish_cache_to_l2(
             headers={"Authorization": f"Bearer {token}"},
             json={
                 "content_hash": content_hash,
+                "ipfs_cid": ipfs_cid,
                 "asset_name": req.asset_name,
                 "asset_type": req.asset_type,
                 "origin": origin,