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Hunter Lovell
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* Revert "revert: "feat(deepagents): support multimodal files for backends (#298)" (#352)" (#353) This reverts commit03ea1c9729. * revert: "revert: "feat(sdk): add async subagent middleware for remote LangGraph servers (#323)" (#351)" (#354) * Revert "revert: "feat(sdk): add async subagent middleware for remote LangGraph servers (#323)" (#351)" This reverts commit367e43a5ed. * use any backend protocol * Reapply "chore(deepagents): refactor backend method names - `lsInfo` -> `ls`, …" (#349) (#356) This reverts commit573479d743. * Reapply "chore(sdk): unify sync subagents and async subagents into a single pr…" (#348) (#355) This reverts commit96dc34ccb6. * chore: align alpha with main (#358) * fix(deepagents): remove orphaned ToolMessages for Gemini compatibility (#335) * fix(deepagents): remove orphaned ToolMessages for Gemini compatibility * Fix ToolMessages for Gemini compatibility --------- Co-authored-by: Christian Bromann <git@bromann.dev> * fix(deepagents): throw on built-in tool collision (#330) * add error * Create big-horses-fail.md * add config error class * cr --------- Co-authored-by: Christian Bromann <git@bromann.dev> * fix(deepagents): use `crypto.randomUUID()` instead of uuid (#336) * fix(deepagents): use crypto.randomUUID() instead of uuid * update pnpm-lock * Create grumpy-weeks-wave.md * Update libs/deepagents/src/middleware/fs.int.test.ts * feat(deepagent): add LangSmithSandbox (#324) * feat(deepagent): add LangSmithSandbox * Change deepagents version from patch to minor * format * fix tests * format * make it a patch * cr * cr * fix * cr * chore: version packages (#321) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> * regen lockfile * fix langsmith tests so that they use backend protocol v2 methods * format --------- Co-authored-by: pawel-twardziak <pawel.twardziak.dev@gmail.com> Co-authored-by: Christian Bromann <git@bromann.dev> Co-authored-by: Maahir Sachdev <maahir.sachdev@langchain.dev> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> * feat(deepagents): add completion notifier middleware for async subagents (#334) Port of langchain-ai/deepagents#2119 to TypeScript. Adds a createCompletionNotifierMiddleware that async subagents can use to proactively notify their supervisor when they complete or error, closing the gap where the supervisor only learns about completion when someone calls check_async_task. - New createCompletionNotifierMiddleware with afterAgent and wrapModelCall hooks - Uses @langchain/langgraph-sdk Client to send runs.create() to the supervisor's thread - Reads parent_thread_id from subagent state (injected by start_async_task) - Derives task_id from runtime.configurable.thread_id - Silently no-ops if parent context is missing - Guards against duplicate notifications - 22 unit tests covering all hooks, edge cases, and error paths fix(deepagents): make url required in completion notifier (no ASGI in JS) JS does not have ASGI transport like Python, so the url parameter must be provided explicitly. Removed all ASGI references from docs and the localhost fallback default. fix(deepagents): throw on built-in tool collision (#330) * add error * Create big-horses-fail.md * add config error class * cr --------- Co-authored-by: Christian Bromann <git@bromann.dev> fix(deepagents): use `crypto.randomUUID()` instead of uuid (#336) * fix(deepagents): use crypto.randomUUID() instead of uuid * update pnpm-lock * Create grumpy-weeks-wave.md * Update libs/deepagents/src/middleware/fs.int.test.ts feat(deepagent): add LangSmithSandbox (#324) * feat(deepagent): add LangSmithSandbox * Change deepagents version from patch to minor * format * fix tests * format * make it a patch * cr * cr * fix * cr regen lockfile linting linting add missing url property chore: version packages (#321) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> changeset regen lockfil * chore: enter alpha pre-release * chore: target alpha for releases * chore: version packages (alpha) (#359) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> * chore(deepagents): extend supported backend file types (#363) * extend supported file types * Create strong-tigers-share.md --------- Co-authored-by: Hunter Lovell <40191806+hntrl@users.noreply.github.com> * chore(deepagents): implement async subagents + use stream example (#360) * async subagents + use stream example * fix lockfile * format * linting * readme and linting * format * proactively send responses when subagents complete * better examples * feat(deepagents): rename completion notifier to completion callback and align with Python (#361) * feat(deepagents): rename completion notifier to completion callback and align with Python PR - Rename completion_notifier.ts -> completion_callback.ts to match Python's completion_callback.py naming - Rename exports: createCompletionNotifierMiddleware -> createCompletionCallbackMiddleware, CompletionNotifierOptions -> CompletionCallbackOptions - Rename state key: parent_thread_id -> callbackThreadId, option: parentGraphId -> callbackGraphId - Make url optional (Python allows omitting for ASGI transport) - Match Python's strict error behavior: throw on empty messages, non-AIMessage types, and missing callbackThreadId - Add truncation suffix with task_id hint for long messages - Use generic error message in wrapModelCall (don't leak error details) - Remove duplicate notification guard (Python notifies on every error) - Add extractCallbackContext to async_subagents.ts: injects callbackThreadId into subagent input state when launching via start_async_task - Add tests for extractCallbackContext and callback context injection * cr * Rename completion notifier to completion callback Renamed completion notifier to completion callback for consistency with Python. * fix(sdk): `AsyncTask` `updatedAt` field doesn't update on task status changes (#400) * update updatedAt field to change on any task update * added changeset * chore: set up self hosted async subagent example (#399) * self hosted async subagent example * with postgres * formatting * eslint disable no console * fix dockerfile and readme * Update examples/async-subagent-server/server.ts Co-authored-by: Christian Bromann <git@bromann.dev> --------- Co-authored-by: Christian Bromann <git@bromann.dev> * chore(sdk): update async subagent middleware for agent protocol (#394) * update async subagent middleware for agent protocol * add changeset * Update libs/deepagents/src/middleware/async_subagents.ts Co-authored-by: Hunter Lovell <40191806+hntrl@users.noreply.github.com> * Update libs/deepagents/src/middleware/async_subagents.ts Co-authored-by: Hunter Lovell <40191806+hntrl@users.noreply.github.com> * Update libs/deepagents/src/middleware/async_subagents.ts Co-authored-by: Hunter Lovell <40191806+hntrl@users.noreply.github.com> * differentiate agent protocol --------- Co-authored-by: Hunter Lovell <40191806+hntrl@users.noreply.github.com> * chore(repo): migrate linting and formatting to oxc tooling (#391) * chore(repo): migrate linting and formatting to oxc tooling * cr * cr * chore(lint): clean up console disables for oxlint * cr * Apply suggestions from code review Co-authored-by: Christian Bromann <git@bromann.dev> --------- Co-authored-by: Christian Bromann <git@bromann.dev> * refactor(deepagents): clean up createDeepAgent middleware wiring (#392) * refactor(deepagents): clean up createDeepAgent middleware wiring * fix(deepagents): avoid duplicate HITL middleware on subagents * add comments, remove iife * Create ten-masks-flow.md * fix(deepagents): align prompt templates with runtime behavior (#393) * fix(deepagents): align prompt templates with runtime behavior * chore: add changeset for prompt alignment fixes * cr * cr * fix store backend and tests * lint * fix rests and resolveBackend * lint * fix failing tests * revert adapt resolve backend * fix resolve backend * better variable name * fix backend factory to return a maybe promise * mark resolve backend as internal * format --------- Co-authored-by: Colin Francis <131073567+colifran@users.noreply.github.com> Co-authored-by: pawel-twardziak <pawel.twardziak.dev@gmail.com> Co-authored-by: Christian Bromann <git@bromann.dev> Co-authored-by: Maahir Sachdev <maahir.sachdev@langchain.dev> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Colin Francis <colin.francis@langchain.dev>