codex_workflow 1.2.2 — Route isolation and flexible research support

Light no longer receives the agent_docs/ framework, intake, documentation
ownership, or deployment handoff instructions. Those contracts live in the
Medium and Heavy route documents. Light's subagent prohibition is removed.
Medium and Heavy preserve the direct fast path for standalone questions,
searches, read-only research, and small bounded tasks. These tasks skip
deployment intake, automatic project-document updates, closure, and token
reporting. Research supporting an active deployment remains part of it.
The main chooses Explorer and Investigator counts for each bounded question.
Parallel workers are recommended for difficult or broad problems when
independent evidence improves coverage; there are no role-specific quotas.
Senior Executor now uses gpt-6.1-sol with high reasoning.
codex_workflow --version reports the locally installed workflow version
without checking the network or requiring a project.
Installation can initialize documentation for an empty project without
requiring an overview first; missing context is recorded instead of invented.

Release assets: codex_workflow-1.2.2.zip and SHA256SUMS.

Validation passed: 60 runtime tests, 9 token-report tests, package-schema
validation, and release archive verification.

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