chore(sda): retire completed fixed-SHA reconciliation

[Lutar, Stephen P. (stephenlutar2-hash)]

Satisfies

Satisfies: C-158 and completed report .github#221.

Root cause

The organization health digest still reports Reconcile A11oy and Killinchu SDA shared source red. It is a completed one-shot controller bound to historical PR #1028 and fixed branch SHAs. Current evidence already proves both shared szl_ecosystem_routes.py files resolve to Git blob 9564c47daf79c86815b2544ec51b06debc30d354; issue #221 is closed.

Keeping the controller executable permits it to target stale branches and reopen a resolved incident.

Permanent retirement

• delete the historical workflow;
• delete its branch-mutating Python controller;
• delete the historical fixed-SHA manifest;
• add a tombstone regression rejecting the retired paths and historical markers;
• retain issue [sda-reconcile-report] exact A11oy and Killinchu shared source #221 as the durable completion record.

Clean signed lineage

This is the exact-tree signed replacement for #341. The bounded materializer run 30255431491 copied the two permanent added files byte-for-byte from head 81416537a6a6bce01c7482084c1ed13c8a0da4bb, deleted the same three obsolete files, and created one GitHub-verified signed commit on current protected main:

35628a404b2e2f33c307cc5c53dad3d5d1845558

The six-commit unsigned predecessor remains preserved; no force push or history rewrite was used.

Verification

The predecessor tree passed the retirement contract, CI, Tests, CodeQL, Trivy, Gitleaks, DCO, pinning, doctrine, staging, bootstrap invariants, all eight FORGE-9 gates, and qillqaq attestation. Protected checks on this signed one-commit replacement are authoritative for merge.

Labels

Labels: PROVED exact signed replacement and retirement tombstone; MEASURED stale completed controller; NOT CLAIMED product-state change beyond removing obsolete mutation authority.

Rollback

Restore only through a protected pull request carrying a new reviewed reconciliation manifest and new immutable targets.

Risk class

Risk: B — deletion of a completed source-control mutation one-shot and addition of a read-only tombstone test.

Solo-Operator-Authorization: confirmed

Signed-off-by: Stephen Lutar stephenlutar2@gmail.com

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[Lutar, Stephen P. (stephenlutar2-hash)]

Superseded by #352, which carries the same exact retirement tree on current protected main SHA 47607d3149dd54c4e107d7eeb2129ebdff5d2d03 in one SSH-signed, DCO-compliant commit. Closing this conflicted predecessor without merge; its history remains preserved.