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@github-actions github-actions released this 17 Aug 20:50
v3.6.2
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P.O.W.E.R. 3.6.2 release notes

P.O.W.E.R. 3.6.2 adds canonical Task v2 and typed decision workflows, strengthens
their durable storage contract, and makes reranked search preserve first-stage
consensus without exposing expanded queries to the reranker.

What changed

  • Canonical Task v2 CLI: power task list, read, create, transition,
    and events expose filtered pagination, event cursors, optimistic revisions,
    actor attribution, and idempotency keys. Completion records include verified
    postconditions or artifact digests.
  • Compatibility handoff path: power handoff remains available and routes
    durable work-packet operations through Task v2. It is a compatibility adapter,
    not a second task authority.
  • Fail-closed task persistence: task snapshots, events, and completion
    receipts use atomic persistence under a per-vault writer lock. Event sequence
    numbers are monotonic, and malformed journals fail closed instead of being
    silently skipped.
  • Typed decisions: DecisionService binds proposals to a task revision,
    validates structured inputs and allowed actors, checks decision authority,
    hashes proposal content, and emits idempotent resolution receipts.
  • Application envelope v2: governed application responses now carry the
    actual capability, source revision, and request identifier needed for
    deterministic readback.
  • Reranked search: the reranker receives only the original user query.
    First-stage FTS, vector, and dense consensus gets a bounded prior during RRF
    merge, while lower-ranked candidates remain eligible in the tail.
  • Search-quality compatibility: the quality gate exposes udcg@5 as an
    alias for the existing normalized discounted-gain calculation and evaluates
    both ndcg@5 and udcg@5 thresholds.
  • Reproducible neural extras: semantic and rerank profiles cap NumPy below
    2.5 for the supported Numba benchmark path. The Linux x86_64 GPU profile
    installs the CUDA 13 runtime, cuBLAS, and cuDNN wheels needed by ONNX Runtime.
  • Executable documentation contract: the public surface is 25 top-level CLI
    commands and 20 governed MCP tools.

Evidence boundary

Linux remains the supported release platform for v3.6.2. The content-free
upgrade matrix exercises the 3.6.1 -> 3.6.2 state, interrupted-publication,
and maintenance-safety invariants. It does not execute a separately installed
physical 3.6.1 binary, so it is not a claim of full previous-runtime upgrade
certification.

The MCP surface keeps handoff_work as a compatibility entry point. A complete
canonical Task v2 MCP filter/event surface and fault-injected migration proof are
not claimed by this release.

macOS and Windows remain outside the supported release boundary and have no
scheduled certification target.

Release gates

uv sync --locked --group dev --extra semantic --extra rerank --extra gpu
uv run ruff check src tests scripts
uv run ruff format --check src tests scripts
uv run mypy src/power_framework
uv run pytest
uv run mkdocs build --strict

The tag workflow additionally requires a clean signed v3.6.2 tag, verifies
the version-bound release contract and upgrade aggregate, builds the wheel and
source archive, emits the SPDX SBOM and release receipt, and publishes this file
as the GitHub Release body.

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