Merge branch 'master' into wip-v1.0

# Conflicts:
#	libs/partners/anthropic/langchain_anthropic/chat_models.py
#	libs/partners/anthropic/pyproject.toml
#	libs/partners/anthropic/uv.lock

docs/docs/integrations/chat/anthropic.ipynb

@@ -1191,6 +1191,40 @@
     "response.content"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "74247a07-b153-444f-9c56-77659aeefc88",
+   "metadata": {},
+   "source": [
+    "## Context management\n",
+    "\n",
+    "Anthropic supports a context editing feature that will automatically manage the model's context window (e.g., by clearing tool results).\n",
+    "\n",
+    "See [Anthropic documentation](https://docs.claude.com/en/docs/build-with-claude/context-editing) for details and configuration options.\n",
+    "\n",
+    ":::info\n",
+    "Requires ``langchain-anthropic>=0.3.21``\n",
+    ":::"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "cbb79c5d-37b5-4212-b36f-f27366192cf9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from langchain_anthropic import ChatAnthropic\n",
+    "\n",
+    "llm = ChatAnthropic(\n",
+    "    model=\"claude-sonnet-4-5-20250929\",\n",
+    "    betas=[\"context-management-2025-06-27\"],\n",
+    "    context_management={\"edits\": [{\"type\": \"clear_tool_uses_20250919\"}]},\n",
+    ")\n",
+    "llm_with_tools = llm.bind_tools([{\"type\": \"web_search_20250305\", \"name\": \"web_search\"}])\n",
+    "response = llm_with_tools.invoke(\"Search for recent developments in AI\")"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "cbfec7a9-d9df-4d12-844e-d922456dd9bf",
@@ -1457,6 +1491,38 @@
     "</details>"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "29405da2-d2ef-415c-b674-6e29073cd05e",
+   "metadata": {},
+   "source": [
+    "### Memory tool\n",
+    "\n",
+    "Claude supports a memory tool for client-side storage and retrieval of context across conversational threads. See docs [here](https://docs.claude.com/en/docs/agents-and-tools/tool-use/memory-tool) for details.\n",
+    "\n",
+    ":::info\n",
+    "Requires ``langchain-anthropic>=0.3.21``\n",
+    ":::"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "bbd76eaa-041f-4fb8-8346-ca8fe0001c01",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from langchain_anthropic import ChatAnthropic\n",
+    "\n",
+    "llm = ChatAnthropic(\n",
+    "    model=\"claude-sonnet-4-5-20250929\",\n",
+    "    betas=[\"context-management-2025-06-27\"],\n",
+    ")\n",
+    "llm_with_tools = llm.bind_tools([{\"type\": \"memory_20250818\", \"name\": \"memory\"}])\n",
+    "\n",
+    "response = llm_with_tools.invoke(\"What are my interests?\")"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "040f381a-1768-479a-9a5e-aa2d7d77e0d5",