governance(v21): authorize fresh Learned Policy P1 successor

[laiqian0239-glitch]

Work package

V21-LEARNING-POLICY-P1-DECISION-OUTCOME-CLOSED-LOOP-V2-SUCCESSOR

Fresh-main successor for the Learned Policy Decision→Outcome closed loop after ACV2 Schema 23 canonical migration ordinary-merged and passed its real main-push post-merge validation.

Fresh trusted base

• main: 4e74d4b2937b7e260c8b833e2758e1f9fabb9c42
• ACV2 post-merge run 31810324832: Ubuntu GREEN, Windows GREEN, identity/source GREEN, aggregate gate GREEN
• compare from original governance(v21): authorize Learned Policy decision outcome loop #371 implementation parent 915c487784d991e5c683daa6e167950f310b9a47: ahead 11 / behind 0
• overlap between that main drift and the original 22 Learned Policy implementation paths: 0

Historical RED preservation

PR #372 remains frozen at test-only Head fb1beeb0e39ad4d6263f71b4c995eb5ec663e6e2 and is evidence only. Its causal RED run 31796413179 remains immutable. This successor does not rebase or cherry-pick #372; after authorization merge it will materialize the exact six test blobs into a fresh direct-child commit and require a fresh causal RED.

Exact implementation seal

Same still-valid 22 paths as #371:

• count: 22
• SHA-256: 930bf654a0088c6729ca265443a30e77e895ea0f7a69517df51ac4f207008ff6
• mandatory first test-only paths: 6
• six-test SHA-256: 9aff346a55b16f1ae54a743daf15bb18cffc4c1471581556be1eea22acab3142
• Python dependency controls: 2
• dependency-control SHA-256: 6a33c99858dfc7d51af9a75dc4834907224196522b2b72991a1f58e606fa43c8

OSS-first

Vowpal Wabbit official latest stable remains 9.11.2, exact commit 122bae254a5b8bc2b774d13b33d53e6dbc2cfba7, BSD-3-Clause. VW owns only the bounded contextual-bandit action head. Existing Learning, Model Brain/LiteLLM, Person, Persona, canonical serialization and immutable signal authorities remain authoritative.

P1 remains deterministic: actionProbability=1.0, exploration=false; only candidateStrategyBranch may be selected. Final reply remains frontier-generated by existing Model Brain/LiteLLM.

Parallel boundary

#223, #139, #211, #67, #20 and #158 remain open Drafts at the already-audited heads. None have landed on trusted main. Their overlap dispositions remain explicit in the authorization JSON; if an overlapping Draft lands before this authorization merge, this proposal becomes stale and must not merge.

Boundary

Authorization only. No implementation authority exists until ordinary two-parent merge from exact main 4e74d4b2937b7e260c8b833e2758e1f9fabb9c42. No workflow/root npm change, live randomized exploration, local learned-policy reply generator, new general-purpose Yance infrastructure, release, publish or automatic promotion.

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• governance/layered-ci/v21-learning-policy-p1-decision-outcome-v2-successor-authorization.json

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