processkit v0.25.7

v0.25.7 is a patch release that improves processkit routing,
semantic index observability, and model planning for Codex-heavy agent
workflows.

Added

• Added command-aware task routing. task-router.route_task now
  scores pk-* command projections as first-class candidates, accepts
  optional intent_signals, returns command routes for high-signal
  workflows such as pk-release-audit, and surfaces multi-route
  candidates for compound requests.
• Added runtime-capacity planning guidance. model-recommender
  now exposes plan_runtime_capacity(...) and adds capacity guidance to
  resolve_model(...) when callers provide subscription/quota
  observations.
• Added GPT-5.3-Codex-Spark to model routing. Spark is now modeled
  as an OpenAI Codex subscription candidate and ranked in the code-fast
  model profile for bounded low-latency agent work.

Changed

• sqlite-vec handling is now observable and non-destructive by
  default. The index reports sqlite-vec load diagnostics and vector row
  counts, while preserving existing vector tables unless explicit repair
  is requested.
• MCP configs for the gateway and index server now launch as PEP 723
  scripts. This makes their declared sqlite-vec dependency active in
  the MCP runtime.
• Provider-equivalent fast Codex routing now prefers Spark over
  o4-mini for Haiku-class OpenAI fallbacks.

Verification

• uv run --with pyyaml --with pytest --with mcp pytest context/skills/processkit/task-router/scripts/test_task_router.py -v
• uv run --with pyyaml --with pytest --with mcp --with jsonschema pytest context/skills/processkit/processkit-gateway/scripts/test_gateway.py -v
• uv run --with pyyaml --with pytest pytest context/skills/processkit/model-recommender/scripts/test_resolver.py -v
• uv run scripts/smoke-test-servers.py
• uv run context/skills/processkit/pk-doctor/scripts/doctor.py --no-log
• uv run --script context/skills/processkit/release-audit/scripts/release_audit.py --tree=both

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