add LangSmith API docs to mintlify

Makefile

@@ -108,7 +108,7 @@ broken-links: build
 			if [ -n "$$VERSION" ]; then sed -i.bak "s/__VERSION__/\"$$VERSION\"/g" "$$KATEX_MJS" 2>/dev/null || true; fi; \
 		fi
 	@cd build && mint broken-links 2>&1 | tee /tmp/broken-links.txt > /dev/null; \
-		filtered=$$(grep -v '/langsmith/agent-server-api/' /tmp/broken-links.txt | grep -v '/api-reference/' | grep -v '\.\./langchain/agents' | python3 -c "import sys; sys.stdout.write(sys.stdin.read().replace('\u00a0', ' '))"); \
+		filtered=$$(grep -v '/langsmith/agent-server-api/' /tmp/broken-links.txt | grep -v '/langsmith/smith-api' | grep -v '/api-reference/' | grep -v '\.\./langchain/agents' | python3 -c "import sys; sys.stdout.write(sys.stdin.read().replace('\u00a0', ' '))"); \
 		if echo "$$filtered" | grep -qE '^[[:space:]]+.*/'; then \
 			echo "$$filtered"; echo ""; echo "❌ Broken links found"; exit 1; \
 		else \
@@ -130,7 +130,7 @@ broken-links-with-anchors: build
 			if [ -n "$$VERSION" ]; then sed -i.bak "s/__VERSION__/\"$$VERSION\"/g" "$$KATEX_MJS" 2>/dev/null || true; fi; \
 		fi
 	@cd build && mint broken-links --check-anchors 2>&1 | tee /tmp/broken-links.txt > /dev/null; \
-		filtered=$$(grep -v '/langsmith/agent-server-api/' /tmp/broken-links.txt | grep -v '/api-reference/' | grep -v '\.\./langchain/agents' | python3 -c "import sys; sys.stdout.write(sys.stdin.read().replace('\u00a0', ' '))"); \
+		filtered=$$(grep -v '/langsmith/agent-server-api/' /tmp/broken-links.txt | grep -v '/langsmith/smith-api' | grep -v '/api-reference/' | grep -v '\.\./langchain/agents' | python3 -c "import sys; sys.stdout.write(sys.stdin.read().replace('\u00a0', ' '))"); \
 		if echo "$$filtered" | grep -qE '^[[:space:]]+.*/'; then \
 			echo "$$filtered"; echo ""; echo "❌ Broken links found"; exit 1; \
 		else \

src/docs.json

@@ -905,7 +905,13 @@
                 "langsmith/smith-java-sdk",
                 "langsmith/langgraph-python-sdk",
                 "langsmith/langgraph-js-ts-sdk",
-                "langsmith/smith-api-ref",
+                {
+                  "group": "LangSmith API",
+                  "openapi": {
+                    "source": "https://api.smith.langchain.com/openapi.json",
+                    "directory": "langsmith/smith-api"
+                  }
+                },
                 {
                   "group": "LangSmith Deployment",
                   "pages": [
@@ -2309,7 +2315,11 @@
     },
     {
       "source": "/langsmith/api-ref",
-      "destination": "/langsmith/smith-api-ref"
+      "destination": "/langsmith/smith-api"
+    },
+    {
+      "source": "/langsmith/smith-api-ref",
+      "destination": "/langsmith/smith-api"
     },
     {
       "source": "/langsmith/js-ts-sdk",

src/langsmith/reference.mdx

@@ -68,7 +68,7 @@ The following sections provide API references and SDK documentation for LangSmit
   <Card
     title="LangSmith API"
     icon="code"
-    href="/langsmith/smith-api-ref"
+    href="/langsmith/smith-api"
   >
     Complete REST API reference for LangSmith platform features.
   </Card>