feat(experiments): Remove experiment summary field, description field remains

[shanaiabuggy]

We had both description and summary fields on the Experiment entity. This was a redundant oversight. Reducing to just description. Summary was previously surfaced in the UI (description was not), swapped this out to surface description in the UI.

Summary by CodeRabbit

• New Features

  • Experiment details and lists now show a description field instead of summary (including tooltips and page header context when available).

• Bug Fixes

  • Updated experiment create/edit flows to persist and return the correct text field consistently.
  • Demo experiment data and related screens now use the same description-based wording.
  • Experiment update behavior and API responses were aligned so the displayed text matches what was entered.
  • Updated integration coverage to validate description updates.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between 4eb9f6c and a74eacf.

⛔ Files ignored due to path filters (6)

• sdk/python/nemo-platform/src/nemo_platform/types/guardrail/log_adapter_config_param.py is excluded by !sdk/**
• sdk/python/nemo-platform/src/nemo_platform/types/guardrail/model_parameters_param.py is excluded by !sdk/**
• sdk/python/nemo-platform/src/nemo_platform/types/intake/ingest/captured_chat_completions_request_param.py is excluded by !sdk/**
• sdk/python/nemo-platform/src/nemo_platform/types/intake/ingest/captured_chat_completions_response_param.py is excluded by !sdk/**
• sdk/python/nemo-platform/src/nemo_platform/types/intake/ingest/captured_chat_message_param.py is excluded by !sdk/**
• sdk/python/nemo-platform/src/nemo_platform/types/shared_params/inference_params.py is excluded by !sdk/**

📒 Files selected for processing (1)

• web/packages/studio/src/components/dataViews/ExperimentGroupDataView/index.tsx

🚧 Files skipped from review as they are similar to previous changes (1)

• web/packages/studio/src/components/dataViews/ExperimentGroupDataView/index.tsx

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📝 Walkthrough

Walkthrough

Replaces the experiment summary field with description across the API contract, backend entity and endpoint mapping, demo seed data, tests, and studio UI.

Changes

summary → description rename

Layer / File(s)	Summary
Contract and model fields services/intake/src/nmp/intake/api/v2/experiments/schemas.py, services/intake/src/nmp/intake/entities/experiments.py, openapi/openapi.yaml, openapi/ga/openapi.yaml, openapi/ga/individual/platform.openapi.yaml	summary is removed from experiment request/response models and entity shape; description is exposed in the updated schemas.
Endpoint mapping services/intake/src/nmp/intake/api/v2/experiments/endpoints.py	Experiment create/update no longer maps summary; the mutable-field comment is updated.
Demo seeding services/intake/scripts/spans/seed_experiments_demo.py	ExperimentSpec.summary is removed; demo experiment entries and request body assembly stop using summary.
Client usage updates services/intake/tests/integration/test_experiments_crud.py, web/packages/studio/src/components/dataViews/ExperimentGroupDataView/index.tsx, web/packages/studio/src/routes/ExperimentDetailRoute/index.tsx	The CRUD test, experiment list tooltip, and detail header all switch to description.

Possibly related PRs

• NVIDIA-NeMo/nemo-platform#229: Touches the same experiment tooltip component that this PR updates.
• NVIDIA-NeMo/nemo-platform#248: Works in the same demo seeding script that this PR changes.
• NVIDIA-NeMo/nemo-platform#296: Also changes the experiment name-column tooltip rendering logic.

Suggested reviewers

• nakolean

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately reflects the main change: removing the experiment summary field while keeping description.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch sbuggy/experiment-description

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[github-actions]

Suite	Lines Covered	Line Rate	Branch Rate
Unit Tests	21929/28733	76.3%	61.0%
Integration Tests	12583/27413	45.9%	19.2%