feat(code): dcode_term_program trace metadata - #5329
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Mason Daugherty (mdrxy) merged 2 commits intoAug 5, 2026
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`build_stream_config` read `TERM_PROGRAM` with a bare truthiness guard, so a shell exporting `TERM_PROGRAM=" "` stamped `dcode_term_program = " "` — a junk trace-grouping bucket. Every other reader of this variable normalizes with `.strip()` and treats blank as unset (`config_manifest.py`, `app.py`, `tui/widgets/theme_selector.py`), a convention pinned by dedicated tests in `test_theme.py`. Match it here. Also deny `TERM_PROGRAM` from a project `.env`: python-dotenv expands environment-variable references, so a cloned repo could otherwise forward a launch-environment value to the trace backend. Move the value-level `dcode_term_program` tests to `TestBuildStreamConfig`, alongside every other `build_stream_config` diagnostic key, and cover the empty and whitespace-only cases. `test_coding_agent_metadata.py` is scoped to `coding-agent-v1` contract compliance, so it keeps one test asserting the non-contract key stays contract-valid on every trace-wide run type with `TERM_PROGRAM` pinned rather than inherited from the runner's shell.
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> [!CAUTION] > Merging this PR will automatically publish to **PyPI** and create a **GitHub release**. For the full release process, see [`.github/RELEASING.md`](https://github.com/langchain-ai/deepagents/blob/main/.github/RELEASING.md). --- _Release notes preview: keep this section in sync with the package `CHANGELOG.md`. Publish reads the merged CHANGELOG via `release.yml`, not this PR description — keep them aligned anyway so the PR stays an accurate historical record for reviewers and anyone returning later._ --- ## [0.1.53](deepagents-code==0.1.52...deepagents-code==0.1.53) (2026-08-06) ### Features - Added pricing coverage with Baseten built-in overrides and local fallback overrides when `genai-prices` is missing data ([#5312](#5312), [#5304](#5304)). - Suggest compacting large resumed threads ([#5318](#5318)). - Added terminal program trace metadata ([#5329](#5329)). ### Bug Fixes - Preserved runtime offload archive routing ([#5328](#5328)). - Always restart after a successful startup auto-update ([#5317](#5317)). - Fixed leaked turn coroutines and SQLite handles ([#5218](#5218)). - Keep MCP shutdown-race tracebacks from appearing in the terminal ([#5325](#5325)). - Open the `/auto model` selector immediately while connecting ([#5341](#5341)). - Route failures to `PostToolUseFailure` ([#5315](#5315)). - Use dismissed copy for ask-user prompts ([#5331](#5331)). _End release notes preview._ --- > [!NOTE] > A **New Contributors** section is appended to the GitHub release notes automatically at publish time (see [Release Pipeline](https://github.com/langchain-ai/deepagents/blob/main/.github/RELEASING.md#release-pipeline), step 2). --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: langchain-oss-automated-triage[bot] <248757908+langchain-oss-automated-triage[bot]@users.noreply.github.com>
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dcode traces now record the host terminal as
dcode_term_program(fromTERM_PROGRAM, e.g. "iTerm.app", "vscode", "Apple_Terminal"), making runs groupable and filterable by launch environment in LangSmith.This is a diagnostic key stamped by
build_stream_configalongside the existingdcode_experimentalanddcode_auto_approveflags — not part of thecoding-agent-v1contract, so it deliberately lives outsidebuild_coding_agent_metadataand is omitted whenTERM_PROGRAMis unset.