LangGraph 1.1.1

Changes since prebuilt==1.1.0

• release(prebuilt): 1.1.1 (#9316)
• release(checkpoint-postgres): 3.2.0 (#9313)
• release(checkpoint-postgres): 3.1.3 (#9287)
• release(checkpoint-sqlite): 3.1.2 (#9288)
• release(langgraph): 1.2.15 (#9283)
• fix(langgraph,prebuilt): stop ToolNode from swallowing invalid resume values (#9232)
• fix: order delta channel replay by task path (#8544)
• release(langgraph): 1.2.14 (#9215)
• release(langgraph): 1.2.13 (#9205)
• chore(deps): bump the minor-and-patch group in /libs/sdk-py with 5 updates (#9149)
• chore(deps): bump urllib3 from 2.7.0 to 2.8.0 in /libs/prebuilt (#9130)
• release(langgraph): 1.2.12 (#8987)
• chore(deps): bump the minor-and-patch group across 1 directory with 7 updates (#8779)
• chore(deps-dev): bump syrupy from 5.5.3 to 6.0.0 in /libs/prebuilt in the major group (#8780)
• chore(deps-dev): bump the minor-and-patch group in /libs/prebuilt with 3 updates (#8774)
• release(langgraph): 1.2.11 (#8595)
• chore(deps): bump the minor-and-patch group across 1 directory with 7 updates (#8533)
• chore(deps): bump the minor-and-patch group across 1 directory with 5 updates (#8532)
• release(checkpoint-postgres): 3.1.2 (#8565)
• release(checkpoint): 4.2.0 (#8563)
• chore: enforce PLC0415 in tests for the remaining packages (#8547)
• test(checkpoint-postgres,checkpoint-sqlite): run the conformance suite (#8537)
• chore: enable RUF100 and clear unused noqa directives (#8546)
• chore(deps): bump the minor-and-patch group in /libs/prebuilt with 7 updates (#8500)
• release(checkpoint-sqlite): 3.1.1 (#8481)
• release(checkpoint-postgres): 3.1.1 (#8480)
• release(langgraph): 1.2.10 (#8462)
• release(langgraph): 1.2.9 (#8316)
• release(langgraph): 1.2.8 (#8292)
• chore(deps): bump websockets from 15.0.1 to 16.0 in /libs/langgraph in the major group (#8256)
• chore(deps): bump the minor-and-patch group in /libs/sdk-py with 9 updates (#8252)
• chore(deps): bump the minor-and-patch group in /libs/prebuilt with 7 updates (#8254)
• release(langgraph): 1.2.7 (#8223)
• chore(deps): bump langsmith from 0.8.0 to 0.8.18 in /libs/prebuilt (#8175)
• release(langgraph): 1.2.6 (#8139)
• docs: standardize package README.md structure (#8064)
• release(langgraph): 1.2.5 (#8062)
• fix(langgraph): merge lc_versions config metadata (#8052)
• chore: migrate Python type checking to ty (#8002)
• chore(deps): bump the minor-and-patch group in /libs/prebuilt with 11 updates (#7973)
• release(langgraph): 1.2.4 (#7991)
• release(langgraph): 1.2.3 (#7945)
• feat(sdk-py): add websocket stream transports (#7830)
• feat(sdk-py): add messages and tool call projections (#7823)
• feat(sdk-py): add v3 streaming primitives and SSE transport (#7818)
• chore(langgraph): bump version to 1.2.2 (#7914)
• release(checkpoint): 4.1.1 (#7890)
• release(langgraph): 1.2.1 (#7883)
• chore(deps): bump idna from 3.11 to 3.15 in /libs/prebuilt (#7864)
• fix(langgraph): keep tool results out of v3 messages (#7838)
• chore(deps): bump langsmith from 0.7.31 to 0.8.0 in /libs/prebuilt (#7787)