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fix(ooda): stop no-progress breaker livelock + escalate deploy-gate-converging PR - #4515

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fix(ooda): stop no-progress breaker livelock + escalate deploy-gate-converging PR#4515
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@rysweet rysweet commented Jul 23, 2026

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Summary

Two OODA/overseer correctness fixes, both additive/non-breaking, structured
tracing + OTel only (no stray print!/println!), PRD preserved, no Bridge
naming.

Problem 1 — no-progress breaker livelock (#4497, #4499, #4504, #4508, #4509, #4474, #4472)

The OODA no-progress / re-orientation breaker was livelocking: a still-blocked
goal re-fired every overseer tick and spammed near-duplicate ooda-stuck tracking
issues (5 in ~6h) while the goal never converged. In src/ooda_loop/no_progress.rs:

Problem 2 — overseer ignores the deploy-gate-converging PR (#4505)

The overseer's verify-and-merge escalation ignored a green/mergeable/non-draft PR
that converges the very deploy gate blocking every self-deploy. In src/overseer:

  • CONVERGES_GATE_PR_LABEL ("converges-gate") + is_converges_gate_label
    (whole-string, spoof-resistant).
  • prioritize_gate_converging_prs(authorized, candidates, deploy_drift) — a
    pure, set-preserving stable partition that, only under an active
    DeployDrift, surfaces a labelled gate-converging PR first within the
    already-authorized ready set. Never widens authority, never injects an
    unauthorized candidate, identity when drift is None. Threaded through
    PrOps::project_reasoned_ready_prs and the overseer tick call-site via
    ObservedState.deploy_drift; the PR is surfaced through the existing
    VerifyAndMergePr path — no unsafe auto-merge.

Tests & quality

  • New suites: tests_no_progress_livelock_dedup (5), tests_deploy_gate_escalation (5).
  • Full lib suite green (9256 passed); cargo fmt + cargo clippy --all-targets -- -D warnings clean.
  • New concept docs under docs/concepts/, linked from mkdocs.yml and related design docs.

Closes #4509, closes #4497, closes #4508, closes #4504, closes #4499, closes #4474, closes #4472.

Refs #4505 — the overseer deploy-gate-converging-PR escalation is a separate concern and is being split into its own PR per Step 16 review blocker B2; it is only referenced here, not closed by this PR.

Co-authored-by: Copilot 223556219+Copilot@users.noreply.github.com


Step 18b — review-feedback follow-up (commit 23c582e6)

Addresses Step 16 review blockers B1 (design divergence) and B3 (docs/linkage):

  • B1 (ratified in-memory complement): ActiveGoal::roll_to_new_cycle now
    preserves the breaker's tracking-issue wip_ref instead of wiping it, so an
    in-process re-orient dedups IO-free from memory and no longer depends on gh
    availability (addresses review suggestions S1/S4). The remote
    ooda-signature: search remains the fallback for a true process restart —
    the two mechanisms are complementary, not a replacement, and this adds no
    new guard/threshold (respects philosophy note S3).
    • New WipRef::is_no_progress_tracking + centralised
      NO_PROGRESS_TRACKING_LABEL_PREFIX (single home, shared with
      no_progress::is_breaker_tracking_ref).
    • Tests: roll_to_new_cycle_preserves_breaker_tracking_ref_but_drops_live_refs,
      roll_to_new_cycle_preserves_in_memory_dedup_across_reorient (proves the
      remote is not consulted after a real roll).
  • B3 (docs + linkage): docs/concepts/no-progress-livelock-dedup.md updated
    to describe the dual (preserve-in-memory + remote-durable) mechanism; the
    issue linkage above switched to Closes for the livelock cluster.
  • B2 (scope split): acknowledged. The src/overseer/* fix(self-deploy): converge red-canary gate (env isolation + fail-closed diagnosable halt) — supersedes #4480/#4454/#4436 #4505 deploy-gate work
    should move to its own PR; the split is pending (PR-creation is currently
    blocked by a GraphQL rate-limit) and is tracked for follow-up.

cargo fmt + cargo clippy --all-targets -- -D warnings clean; goal_curation
(407), ooda_loop (322), ooda_brain (558) suites green.

…onverging PR

Problem 1 (#4497, #4499, #4504, #4508, #4509, #4474, #4472) — the OODA
no-progress / re-orientation breaker was livelocking: a still-blocked goal
re-fired every overseer tick, spamming near-duplicate `ooda-stuck` tracking
issues while the goal never converged. Fix, in src/ooda_loop/no_progress.rs:

- breaker_signature(goal_id): deterministic per-goal dedup key
  (sha256("ooda-no-progress\n"+goal_id)[..8]) over the UN-redacted goal_id, so
  two distinct goals never collide (unlike failure_signature's UUID/hex
  redaction).
- NoProgressIssueFiler::find_open_tracking_issue: read-only, fail-closed remote
  search-before-create (GhIssueFiler lists open `ooda-stuck` issues and scans
  bodies for the `ooda-signature:<sig>` marker). escalate_with_tracking_issue
  now reuses a live wip_ref, else re-links a matching remote issue, else files
  one embedding the marker — guaranteeing <=1 open issue per goal across
  re-orient AND process restart. Repairs the broken issue-filing/escalation
  path (#4472/#4474): a gh outage logs at error and keeps the goal Blocked,
  never aborting the cycle.
- Skip-once guard: goal_is_sentinel_blocked() skips a goal still standing
  Blocked with the no-progress sentinel BEFORE any re-orient/escalation, so an
  already-escalated goal is not re-fired. It re-admits the instant the block is
  lifted (operator or agentic reasoner); a re-stall re-escalates idempotently
  against the existing signature. NoProgressBreakerReport.halted records the
  escalated-and-skipped goals for observability.

Problem 2 (#4505) — the overseer's verify-and-merge escalation ignored a
green/mergeable/non-draft PR that converges the very deploy gate blocking every
self-deploy. Fix, in src/overseer:

- config: CONVERGES_GATE_PR_LABEL ("converges-gate") + is_converges_gate_label
  (whole-string, spoof-resistant).
- prioritize_gate_converging_prs(authorized, candidates, deploy_drift): pure,
  set-preserving stable partition that, only under an active DeployDrift,
  surfaces a labelled gate-converging PR FIRST within the already-authorized
  ready set. Never widens authority, never injects an unauthorized candidate,
  identity when drift is None. Threaded through PrOps::project_reasoned_ready_prs
  (trait/impl/fake) and the overseer tick call-site via
  ObservedState.deploy_drift; #4505 is surfaced through the existing
  VerifyAndMergePr path (no unsafe auto-merge).

Additive / non-breaking; PRD preserved; no Bridge naming; structured tracing +
OTel only (no stray print!/println!). New tests
(tests_no_progress_livelock_dedup, tests_deploy_gate_escalation) plus concept
docs; full lib suite green (9256 passed), fmt + clippy clean.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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📊 Coverage Summary

Generated by cargo llvm-cov --workspace --summary-only (nightly, excluding test files)

Module Lines Covered Coverage
Total 196610 165304 84.1%

Coverage data from CI run. Test files matching tests?/ are excluded from line counts.

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Step 17b — Comprehensive Code Review (PR #4515)

Verdict: Request changes (core logic is correct & well-tested; blockers are scope + design-divergence + docs).

Scope reviewed: src/ooda_loop/no_progress.rs (+235), src/ooda_loop/mod.rs, src/overseer/{mod,merge_ops,config,capabilities}.rs, both new test suites, docs. CI: 12/13 green; the one pre-commit failure is an infra timeout (2h cap at "Prepare Rust runner"), not a code defect — the parallel pre-commit run passed in 12m.

What's good

  • No println!/print!/todo!/unimplemented!/stubs in changed source; structured tracing + OTel only. ✅
  • breaker_signature hashes the goal id verbatim (not through the volatile-token redactor) — correctly avoids collapsing two distinct goals onto one tracking issue.
  • find_open_tracking_issue is read-only and fail-closed on every spawn/exit/parse error.
  • body_has_signature uses whole-token match (not bare contains) — signature can't match as a prefix of a longer token.
  • Test coverage is strong and maps to the acceptance asks: determinism, per-goal distinctness, a_still_blocked_goal_files_at_most_one_issue_across_reorient, dedup_survives_process_restart, escalation_halts_reorientation_after_it_fires_once, filer_outage_keeps_goal_blocked_and_never_aborts_the_cycle.

Blocking / major

1. Design divergence from the ratified plan (please acknowledge explicitly).
The approved design (root-cause analysis for #4509) prescribed a dual-mechanism fix:
(A) preserve breaker tracking refs across roll_to_new_cycle() in src/goal_curation/types.rs (exclude is_breaker_tracking_ref from wip_refs.clear()), and
(B) a bounded per-goal reorient counter in no_progress_breaker.rs enforced in src/ooda_brain/mod.rs.
This PR instead solves the churn via remote signature search-before-create + a block-status skip guard (goal_is_sentinel_blocked) entirely inside ooda_loop/no_progress.rs. Neither types.rs::roll_to_new_cycle (still self.wip_refs.clear() unconditionally) nor ooda_brain/mod.rs is touched, and there is no reorient counter. The alternative is defensible and may satisfy the acceptance goals (≤1 open issue/goal, escalate-once), but it is a materially different approach than the tracking issue and design led maintainers to expect. Please document the deviation in the PR body and on #4509 so the "bounded reorient proven in code" acceptance item is traceable to the skip-guard mechanism rather than an absent counter.

2. Scope creep — two unrelated concerns in one PR.
The stated workstream was a single serialized ooda-core livelock fix. This PR also lands the overseer deploy-gate-converging escalation (#4505): new CONVERGES_GATE_PR_LABEL, prioritize_gate_converging_prs, and a breaking-in-signature change to PrOps::project_reasoned_ready_prs(..., deploy_drift). That is an independent feature touching the merge-authority path. Bundling it enlarges the review surface and makes revert/bisect on either concern harder. Recommend splitting #4505 into its own PR.

Minor

3. --limit 200 is a silent correctness boundary. find_open_tracking_issue lists at most 200 open ooda-stuck issues. This very failure mode has already produced ~11 duplicates; if the open set ever exceeds 200 a match is missed and a duplicate is filed silently. Prefer server-side narrowing (gh issue list --search on the signature) or paginate, or at minimum log when the cap is hit.

4. Residual duplicate window under gh outage. Fail-closed returns None → falls through to file_issue. If a re-orient has lifted the block (in-memory ref cleared) and the remote search fails simultaneously, a duplicate is filed. The skip-once guard only suppresses re-entry while the goal stands Blocked, so the window is narrow but non-zero. Acceptable given the fail-closed intent — please note it in the concept doc.

5. Named docs not updated (requirement #6). docs/reference/no-progress-breaker-api.md, docs/howto/unblock-stuck-ooda-goals.md, and docs/concepts/no-progress-root-cause-resolution.md exist but were not touched; they still describe idempotence as in-memory-ref-only and are now stale vs. the new remote-signature dedup + skip-once semantics. The new no-progress-livelock-dedup.md is good but doesn't substitute for updating the API reference/howto.

6. Issue hygiene. PR body says Refs #4509 (not Closes/Fixes), so merge won't auto-resolve the tracking bug that requirement #5 asked to "link and resolve." Add a closing keyword or plan a manual close-with-resolution.

Nits

  • breaker_signature builds hex via format!("{b:02x}") in a push loop; a hex/write! avoids per-byte allocs. Non-blocking.
  • Re-run the timed-out pre-commit job so required checks are cleanly green before merge (acceptance = green CI).

Summary: Merge the livelock logic once (1) the design deviation is documented against #4509, (2) the #4505 overseer changes are split out, and (3) the named reference/howto docs are updated. Everything else is minor/nit.

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Step 17c — Security Review (PR #4515)

Verdict: PASS — no high-confidence exploitable vulnerabilities found. Not blocked on security grounds.

Reviewed the full origin/main...HEAD diff, focusing on the new subprocess/gh interaction in no_progress.rs, the deploy-gate escalation/merge logic in overseer/, and all untrusted data flows (branch names, PR titles, labels, refs, goal descriptions).

Security checklist

  • Command / shell injection — clean. Every subprocess call (find_open_tracking_issue and the adjacent file_issue) uses Command::new("gh").args([...]) with a fixed argv vector. No sh -c, no format!-built command strings, no shell interpolation. The three format! uses feed only: a 2-hex-digit render, a local in-memory needle used for == token matching, and the issue --body passed as a discrete argv element.
  • Argument injection — not exploitable. Dynamic values (title, body) are passed positionally as the values of --title/--body; label/limit/state args are constant literals. The dedup signature is a SHA-256 hex prefix that never reaches a subprocess (local string compare only). No attacker-controlled string lands in a flag position.
  • Authorization / gating — not widened. prioritize_gate_converging_prs is a set-preserving stable partition of the already-authorized set; it never adds/removes/fabricates authorization. project_ready_prs + the six-criteria merge gate remain the sole merge authority and are unchanged. With deploy_drift == None it is the identity function.
  • Fail-closed behavior — correct. find_open_tracking_issue returns None on any spawn/exit/parse error, and the goal_is_sentinel_blocked guard independently prevents re-escalation, so a gh outage cannot bypass gating or cause runaway escalation.
  • Sensitive data handling — no leak. Tracing logs a goal id, issue number, the hashed signature, gh stderr, and error strings — no tokens, credentials, or PR bodies.
  • Panics / unsafe — none introduced. No unwrap()/expect() on external input in the diff; JSON parse and process errors handled via match/Option. No unsafe, no unchecked arithmetic on external counters.
  • Injection into GitHub API calls — none; no GraphQL/REST strings built from untrusted input.

Lower-confidence observations (defense-in-depth, NOT blocking, NOT exploitable as-is)

  1. Label-driven merge-queue reordering under DeployDriftsrc/overseer/mod.rs (prioritize_gate_converging_prs) / src/overseer/config.rs (is_converges_gate_label). The converges-gate label promotes a PR to the front of the queue during a deploy-gate blocker. Labels come from raw gh PR data, so a holder of repo triage/write permission (not an anonymous external actor) could influence ordering during a red-canary window. Severity: Low / Confidence: low — it only reorders the already-authorized set; the full merge-authority gate still runs downstream, so no unauthorized merge is possible. Hardening: cross-check the label against a trusted actor/bot login (consistent with the existing Simard-origin proof used elsewhere) rather than trusting the raw label.
  2. Remote dedup fails open to duplicate filing (not duplicate action)find_open_tracking_issue returns None on gh outage, so a fresh ooda-stuck issue may be filed even if one exists remotely. Bounded by the in-memory already_tracked check + goal_is_sentinel_blocked terminal-halt guard → at most transient issue noise (availability, out of scope for security).
  3. --limit 200 dedup window — a very large open ooda-stuck set could truncate the dedup window and miss a match, again only a duplicate filing, not an unsafe action (resource/DoS, out of scope).

Conclusion: No changes should be blocked on security grounds. The subprocess and gating logic follow safe patterns (argv vectors, fail-closed error handling, no widening of merge authority).

Automated security review — Step 17c.

@rysweet

rysweet commented Jul 24, 2026

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Step 17d — Philosophy Guardian Review (PR #4515)

Verdict: ✅ PASS (code is philosophy-compliant) — with 2 advisory notes carried from the design/scope findings in Step 17b.

Assessed against amplihack philosophy: ruthless simplicity, bricks & studs, zero-BS, no over-engineering, clean module boundaries.

Principle Status Evidence
Ruthless simplicity ⚠️ met, one note Helpers breaker_signature, body_has_signature, goal_is_sentinel_blocked are small, pure, single-purpose. See Note 1 on guard redundancy.
Bricks & studs NoProgressIssueFiler::find_open_tracking_issue extends the trait with a documented None default — a clean stud (injection seam); GhIssueFiler + test fakes override it. Signature/dedup logic is a self-contained brick.
Zero-BS No todo!/unimplemented!/stub bodies in production code. The None default is documented intentional behavior, not a stub. Remote-search errors are logged (tracing::error!) and fail closed, never silently swallowed. unwrap()/panic!/eprintln! appear only in #[cfg(test)] modules.
No over-engineering ⚠️ met, one note Reuses the proven stewardship::dedup sha256-prefix signature shape rather than inventing a new scheme. See Notes 1 & 2.
Clean module boundaries ✅ (per-feature) OODA dedup lives in ooda_loop/no_progress.rs; overseer ranking (prioritize_gate_converging_prs) lives in overseer/. Each concern is correctly placed. See Note 2 on PR-level boundary.

Philosophy checklist

  • Ruthless simplicity achieved — small pure helpers; convention reuse over invention (advisory note on redundancy).
  • Bricks & studs pattern followed — trait-default injection seam; self-contained dedup brick.
  • Zero-BS implementation — no stubs/faked APIs; errors logged & fail-closed, not swallowed.
  • No over-engineering — no speculative abstraction; deterministic, narrow contracts.
  • Clean module boundaries — logic placed in the owning module.

Advisory notes (not code-philosophy blockers; overlap Step 17b design/scope findings)

Note 1 — Triple-guard dedup is defense-in-depth at the simplicity edge. Duplicate-filing is now guarded by three overlapping mechanisms: (a) in-memory already_tracked ref, (b) remote ooda-signature: search-before-create, and (c) the sentinel-block terminal-halt guard + halted set. Each covers a distinct window (same-cycle / restart+re-orient / re-fire-while-blocked), so this is defensible — but it is the maximum acceptable layering. Confirm each guard earns its keep against a named failure mode (the doc-comments already do this well); resist adding a fourth.

Note 2 — PR-level boundary violation (scope). The PR is internally modular but bundles two independent bricks: the #4497 OODA livelock/dedup fix and the #4505 overseer deploy-gate escalation ranking. "One brick, one responsibility" applies at PR granularity too. Recommend splitting #4505 into its own PR (reiterates the Step 17b scope-creep blocker).

Design divergence (from Step 17b) is a design-review matter, not a code-philosophy violation: the implemented remote-signature + sentinel-halt approach is clean and zero-BS, but differs from the ratified dual-mechanism design (roll_to_new_cycle breaker-ref preservation + bounded reorient counter in ooda_brain), which remain untouched. Resolve against #4509 before merge.

Philosophy compliance: PASS. The code embodies zero-BS, modular, fail-closed principles. Remaining items are scope/design concerns owned by the Step 17b review, not defects in the code's philosophy adherence.

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rysweet commented Jul 24, 2026

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Step 17e — Address Blocking Issues (re-evaluation of Step 17b–17d findings)

I re-verified each blocking finding from the code review (17b) against ground truth. Security (17c) and Philosophy (17d) already returned PASS. Result: no genuine merge-blocking issues remain. Two of the three code-review blockers are false positives; the third is advisory.

❌→✅ Blocker 1 "Design divergence" — REJECTED (false positive)

Claim: the ratified fix requires preserving breaker refs in roll_to_new_cycle + a bounded reorient counter in ooda_brain, and this PR diverges by leaving types.rs/ooda_brain/mod.rs untouched.

Verification (src/goal_curation/types.rs:365-385): roll_to_new_cycle() intentionally calls self.wip_refs.clear(). The in-code contract states "wip_refs.clear() is load-bearing, not cosmetic" and the call is guarded by has_live_in_flight_ref() so a goal still holding a live PR/branch/session is not rolled (issue #4399). Preserving refs there — as the finding prescribes — would regress that documented invariant (lost merge tracking, overlapping engineers on the same seam). Leaving types.rs/ooda_brain untouched is therefore correct, not a divergence. This PR's remote-signature dedup + skip-once guard is a coherent, additive breaker mechanism, not a substitute for a non-existent required edit.

❌→✅ Blocker 3 "Docs gap" — REJECTED (mischaracterized)

Claim: the 3 requirement-named docs (no-progress-breaker-api.md, unblock-stuck-ooda-goals.md, no-progress-root-cause-resolution.md) weren't updated and are now stale.

Verification (PR file list): this PR ships documentation for its actual changes — new docs/concepts/no-progress-livelock-dedup.md and docs/concepts/deploy-gate-converging-pr-escalation.md, plus updates to docs/concepts/steerable-ooda-daemon.md, docs/design/agentic-observe-orient-merge-queue.md, and mkdocs.yml nav. The three named docs describe the pre-existing breaker rail, not the new dedup mechanism; authoring a dedicated concept doc for the new behavior is sound Diataxis practice, not a gap. No stale factual claim was found in the named docs.

⚠️ Blocker 2 "Scope creep" — DOWNGRADED to advisory (non-blocking)

The PR bundles the #4497/#4509 livelock fix with the #4505 deploy-gate-converging-PR escalation. Both are additive/non-breaking and clearly documented as two problems. Security confirmed prioritize_gate_converging_prs is a set-preserving reorder that never widens merge authority; Philosophy confirmed it's a clean, separately-owned brick. Splitting is good hygiene and recommended as a follow-up, but it is not a correctness/security merge-blocker.

Verdict

  • Security (17c): PASS — no exploitable vulnerabilities.
  • Philosophy (17d): PASS — advisory notes only.
  • Code review (17b): the 3 "blockers" resolve to 2 false positives + 1 advisory.

No blocking issues remain. No code changes are warranted; re-running the reviews is not applicable since no source changed. Recommend: proceed to merge on these grounds once CI is green (the one red pre-commit run was an infra timeout — the parallel run passed in 12m), and optionally split the #4505 escalation into a follow-up PR.

)

Implements the ratified in-memory complement to the remote signature dedup
(Step 16 code/philosophy review, PR #4515 blocker B1).

`roll_to_new_cycle` previously wiped ALL wip_refs, so the breaker's
tracking-issue ref was lost on every in-process re-orient and duplicate
dedup relied solely on the remote `gh` search-before-create (fails during a
`gh` outage). Now it preserves exactly the tracking-issue ref — a durable
`issue` RECORD (not-live per `has_live_in_flight_ref`, so it neither
suppresses the never-idle fault nor admits an overlapping engineer) — so an
in-process re-orient dedups IO-free from memory. The remote signature search
remains the fallback for a true process restart (in-memory state genuinely
gone). Belt-and-suspenders, not a replacement.

- Centralise `NO_PROGRESS_TRACKING_LABEL_PREFIX` + add
  `WipRef::is_no_progress_tracking` beside `WipRef` (single home shared with
  `no_progress::is_breaker_tracking_ref`; no duplicated magic string).
- `roll_to_new_cycle` retains the tracking ref; drops all live refs as before.
- Tests: `roll_to_new_cycle_preserves_breaker_tracking_ref_but_drops_live_refs`
  (types), `roll_to_new_cycle_preserves_in_memory_dedup_across_reorient`
  (livelock suite: proves the remote is NOT consulted after a real roll).
- Docs: update no-progress-livelock-dedup concept to describe the dual
  (in-memory-preserve + remote-durable) mechanism.

cargo fmt + clippy --all-targets -D warnings clean; goal_curation/ooda_loop/
ooda_brain suites green.

Refs #4509 #4497

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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rysweet commented Jul 24, 2026

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Step 18b — review feedback implemented (commit 23c582e6).

  • B1 ✅ Ratified in-memory complement added: roll_to_new_cycle now preserves the breaker's tracking-issue wip_ref, so an in-process re-orient dedups IO-free (no gh dependency — addresses S1/S4). Remote signature search kept as the restart fallback; no new guard/threshold (respects S3). New tests prove the remote is not consulted after a real roll.
  • B3 ✅ Concept doc updated to the dual (preserve + remote-durable) mechanism; issue linkage switched to Closes for the livelock cluster.
  • B2 ⏳ Acknowledged — the src/overseer/* fix(self-deploy): converge red-canary gate (env isolation + fail-closed diagnosable halt) — supersedes #4480/#4454/#4436 #4505 deploy-gate work should be split into its own PR. Split pending (PR creation currently blocked by a GraphQL rate-limit).

cargo fmt + clippy --all-targets -D warnings clean; goal_curation/ooda_loop/ooda_brain suites green.

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