docs: report deployment and run client task

.superpowers/sdd/python-workflow-client/task-6-report.md

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+# Task 6 report: deployment and durable run objects
+
+## Status
+
+Implemented and committed as `112e9656` (`feat: add Python deployment and run objects`).
+
+## Files
+
+- Added `src/wf_client/deployments.py` with immutable `Deployment` and
+  `DeploymentValidation` snapshots plus strict artifact deployment selection.
+- Added `src/wf_client/runs.py` with immutable `Run` and bounded `TracePage`
+  snapshots, resume/refresh lifecycle methods, and core interrupt/trace
+  reconstruction.
+- Added `tests/wf_client/test_deployments.py` and
+  `tests/wf_client/test_runs.py`.
+- Updated `WorkflowArtifact`, `App`, public exports, codecs, and structured
+  deployment exceptions.
+
+## Verification
+
+- `uv run pytest tests/wf_client/test_deployments.py tests/wf_client/test_runs.py tests/wf_api/test_deployment_api.py tests/wf_api/test_run_api.py -q` — **30 passed**.
+- `uv run pytest tests/wf_client -q` — **28 passed**.
+- `uv run ruff check src/wf_client tests/wf_client/test_deployments.py tests/wf_client/test_runs.py` — **passed**.
+- `uv run basedpyright --level error src/wf_client tests/wf_client/test_deployments.py tests/wf_client/test_runs.py` — **0 errors**.
+
+## Caveats
+
+- `.wf_mcp_store/` and `test-artifacts/` remain untracked generated directories
+  and were intentionally not staged.
+- Trace limits follow the existing server bound of 1–100 and are validated
+  before issuing a trace request.