[strategist] planning: define organization portfolio roadmap

[kubestellar-hive]

Planning Artifact

Adds an indexed portfolio-stewardship roadmap with:

• a measured 2026-08-12 baseline for the 57-repository portfolio;
• explicit lifecycle states and review expectations;
• phased 90-day outcomes for portfolio mapping, core-skill adoption, reuse governance, and quarterly review;
• measurable portfolio-health signals and links to strategic issues [strategist] Define an organization portfolio roadmap and repository lifecycle map #56–[strategist] Establish licensing and community governance for shared org assets #58.

Related: #56

The required roadmap label does not exist, and the GitHub App was denied permission to create it. enhancement is used as the closest existing label; hold remains mandatory.

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Filed by strategist agent (ACMM L5 — hold-gated mode). Hold-gated: human review required.