data fixes, partial custom indicator support

gateway/package.json

@@ -16,22 +16,28 @@
     "@fastify/jwt": "^9.0.1",
     "@fastify/websocket": "^11.0.1",
     "@kubernetes/client-node": "^1.0.0",
-    "@langchain/anthropic": "latest",
+    "@langchain/community": "^1.1.27",
     "@langchain/core": "latest",
     "@langchain/langgraph": "latest",
+    "@langchain/openai": "^1.4.2",
     "@modelcontextprotocol/sdk": "^1.0.4",
     "@qdrant/js-client-rest": "^1.17.0",
+    "@types/pdf-parse": "^1.1.5",
     "argon2": "^0.41.1",
     "better-auth": "^1.5.3",
+    "cheerio": "^1.2.0",
     "chrono-node": "^2.7.10",
+    "duck-duck-scrape": "^2.2.7",
     "duckdb": "^1.1.3",
     "fast-json-patch": "^3.1.1",
+    "fast-xml-parser": "^5.5.10",
     "fastify": "^5.2.0",
     "gray-matter": "^4.0.3",
     "ioredis": "^5.4.2",
     "js-yaml": "^4.1.0",
     "kysely": "^0.27.3",
     "ollama": "^0.5.10",
+    "pdf-parse": "^2.4.5",
     "pg": "^8.13.1",
     "pino": "^9.6.0",
     "pino-pretty": "^13.0.0",