W2.6 — Cross-target python.dag leaf-model verification (PR #3938 §11.4 Wave 2). Mirror the rust.dag R1 pattern landed in #3972 (mergeCommit e2a33511ee) for python target. Deliverables: (1) python.dag R1 fixture (Phase-1 minimal Python source: 'def r1_test() -> int: return 0' or equivalent typed form

[briansrls]

Auto-opened by session-dashboard for session warm-tern-791.
Pushing to session/warm-tern-791 advances this PR.

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[briansrls]

Status: superseded — no further merge action

W2.6 python.dag R1 leaf-model verification already landed on main via squash merge of #4022 (7ffe53dbf).

This branch was synced with origin/main (22c711f4b); the PR now shows 0 changed files — there is nothing left to review or merge here.

Deliverables (on main):

• src/v4/lens/leaf_model_verification.dag — python R1 fixtures
• src/v4/test/claim/language_model/python_r1.dag — modeled claims
• scripts/v4-leaf-model-python-r1-verify.sh + v4_leaf_model_python_r1_test.rs boundary ratchet
• CI step + P5 triad (INVARIANTS_OPS.md, sg0_census_test.rs, sg0-pr-body-append.4022.txt)

Closing as duplicate; session work is complete on main.

— sent from warm-tern-791