substrate(imaginary-stack): rescue Step-1 cluster for B-0584 + Lean toy model #4059
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| Original file line number | Diff line number | Diff line change |
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| --- | ||
| id: B-0584 | ||
| priority: P2 | ||
| status: open | ||
| title: "Imaginary stack Step 1 — formalize 4D cube (R/W/P/A) and imaginary intersection as categorical/algebraic primitives" | ||
| tier: research | ||
| effort: L | ||
| created: 2026-05-16 | ||
| last_updated: 2026-05-16 | ||
| depends_on: [] | ||
| composes_with: [B-0543] | ||
| tags: [research, imaginary-stack, category-theory, algebra, qg-isomorphism] | ||
| type: research | ||
| --- | ||
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| # Imaginary stack Step 1 — formalize 4D cube and imaginary intersection | ||
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| ## Parent | ||
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| B-0543 (Remember-When + Pay-Attention → QG isomorphism proof path) | ||
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| ## Why | ||
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| B-0543 Step 2 requires showing that the infinite-game extension produces a structure isomorphic (or homomorphic) to a HaPPY-like quantum error-correcting code. The "cube + imaginary intersection + Adinkra + Cayley-Dickson" framing is currently intuitive. This row decomposes the first concrete formalization step. | ||
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| ## Goal | ||
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| Produce a small, hand-off-able formal object (category, algebra, or topos fragment) that captures: | ||
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| - The 4D real cube with axes Remember (R), When (W), Pay (P), Attention (A) | ||
| - The imaginary directions generated at the intersections of these axes | ||
| - The first Cayley-Dickson doubling(s) that produce the "imaginary stack" | ||
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| This object should be small enough that a category theorist or proof engineer can continue from it. | ||
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| ## Acceptance criteria | ||
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| - [ ] A 4D real vector space or module with coordinates (R, W, P, A) is defined | ||
| - [ ] Imaginary units \( i_{XY} \) for selected pairs of axes are introduced with \( i_{XY}^2 = -1 \) | ||
| - [ ] At least one Cayley-Dickson doubling is performed explicitly | ||
| - [ ] The resulting algebra is shown to have (or is conjectured to have) a natural error-correcting or reconstruction property | ||
| - [ ] The definition is written in a form usable by Lean 4, Z3, or a category-theory paper (not just prose) | ||
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| ## Non-goals | ||
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| - Proving the full HaPPY isomorphism (that's B-0543 Step 2) | ||
| - Adding the Adinkra layer (that can be a follow-on row) | ||
| - Predicting new physics (B-0543 Step 4) | ||
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| ## Composes with | ||
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| - B-0543 (parent proof strategy) | ||
| - `docs/research/2026-05-16-imaginary-stack-cube-axes-intersection-formalization.md` (the note that motivated this row) | ||
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| ## Status | ||
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| Open. High-value decomposition of B-0543. Ready for a category-theory or algebra specialist (or a proof-engineer agent) to pick up. | ||
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| --- | ||
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| **Riven** — Split by truth. |
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| Original file line number | Diff line number | Diff line change |
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| --- | ||
| id: B-0612 | ||
| priority: P2 | ||
| status: open | ||
| title: "Lean ImaginaryStack/ToyModel.lean structural rewrite — Imag8 projections + sorry-in-type-position + lakefile wiring (Soraya handoff)" | ||
| tier: research | ||
| effort: M | ||
| created: 2026-05-17 | ||
| last_updated: 2026-05-17 | ||
| depends_on: [B-0584, B-0543] | ||
| composes_with: [B-0584, B-0543] | ||
| tags: [lean4, mathlib, formal-verification, soraya, imaginary-stack, qg-isomorphism] | ||
| type: research | ||
| --- | ||
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| # Lean ImaginaryStack/ToyModel.lean structural rewrite — Soraya handoff | ||
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| ## Parent | ||
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| [B-0584](B-0584-imaginary-stack-step-1-formalize-4d-cube-and-imaginary-intersection-2026-05-16.md) (the Imaginary Stack Step-1 row this rewrite addresses) and [B-0543](../P1/B-0543-remember-when-plus-pay-attention-yields-qg-isomorphism-2026-05-15.md) (the QG isomorphism proof path). | ||
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| ## Why | ||
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| `tools/lean4/ImaginaryStack/ToyModel.lean` shipped via PR [#4059](https://github.com/Lucent-Financial-Group/Zeta/pull/4059) as research-grade substrate cherry-picked from Riven's Cursor-Lean4 sketch (per `memory/persona/riven/conversations/2026-05-17-riven-aaron-cursor-lean4-sketch-handoff-to-soraya-b0543-qg-isomorphism-proof-path.md`). Reviewer triage in tick shard [`docs/hygiene-history/ticks/2026/05/17/1218Z.md`](../../hygiene-history/ticks/2026/05/17/1218Z.md) verified three structural P0/P1 findings: | ||
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| ### P0 — Imag8 tuple projections do not typecheck | ||
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| **File:** `tools/lean4/ImaginaryStack/ToyModel.lean:86-100, 137-138` | ||
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| `abbrev Imag8 := F × F × F × F × F × F × F × F` is right-nested as `F × (F × (F × …))`. Lean's `Prod` admits only `.1` (head) and `.2` (tail). The `mul` body uses `a.3` … `a.8` and the theorem hypothesis uses `v.1.3` … `v.1.8`. These do not typecheck. | ||
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| **Fix candidates:** | ||
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| - Use nested `.2.2.2…` projections (verbose but mechanically correct) | ||
| - Define a structure with named fields (e.g. `structure Octonion := (e0 e1 e2 e3 e4 e5 e6 e7 : F)`) | ||
| - Define `Imag8` as `Fin 8 → F` (function from finite index) and project via application | ||
| - Define explicit accessor lemmas `proj3 : Imag8 → F := fun a => a.2.2.1` … etc. | ||
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| Soraya's lane to pick between these — depends on which form composes best with Cayley-Dickson doubling proofs. | ||
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| ### P0 — `sorry` in type position | ||
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| **File:** lines 141 and 163 | ||
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| ```lean | ||
| theorem reconstruction_property … : sorry := by sorry | ||
| theorem lemma1_toy : … sorry := by sorry | ||
| ``` | ||
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| `sorry` is in the **type** position — the proposition itself is unspecified, not just the proof. The theorem doesn't have a meaningful statement until the type is filled in. Structural fix required: state the lemma in actual proposition form (an equation or a `∀` quantified equality) and leave only the proof as `sorry`. | ||
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| ### P1 — Not in `lean_lib` | ||
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| **File:** `tools/lean4/lakefile.toml` | ||
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| `lakefile.toml` declares `[[lean_lib]] name = "Lean4"`; `Lean4.lean` only `import Lean4.DbspChainRule`. `tools/lean4/ImaginaryStack/ToyModel.lean` is dead code under `lake build` — never compiled by CI's `type-check Lean DbspChainRule` job. To get the file actually exercised, either: | ||
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| - Add a new entry `[[lean_lib]] name = "ImaginaryStack"` with root `ImaginaryStack` | ||
| - Add `import ImaginaryStack.ToyModel` to `Lean4.lean` to fold it into the existing lib | ||
| - Create a new CI job `type-check Lean ImaginaryStack` | ||
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| Soraya's lane: which option fits the formal-verification routing convention? | ||
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| ## Goal | ||
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| A Lean 4 toy model that: | ||
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| 1. Type-checks under `lake build` (CI exercises it) | ||
| 2. States Lemma 1 with a real proposition (not `sorry` in type position) | ||
| 3. Has projection ergonomics that compose with Cayley-Dickson doubling proofs | ||
| 4. Documents the ℝ-vs-finite-field choice (the prose lemma-1 doc uses ℝ; the Lean file uses `ZMod 17` for enumerability — clarify which is canonical) | ||
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| ## Acceptance criteria | ||
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| - [ ] `lake build` from `tools/lean4/` succeeds with no `unsolved goals` and no type errors in `ImaginaryStack/ToyModel.lean` | ||
| - [ ] All `sorry`s are in proof positions only (none in type positions) | ||
| - [ ] `Imag8` ergonomics chosen and documented (one of the four candidates above, or another) | ||
| - [ ] `tools/lean4/lakefile.toml` exercises `ImaginaryStack.ToyModel` (file is dead code → live code) | ||
| - [ ] `docs/research/2026-05-17-imaginary-stack-toy-model-lemma-1.md` updated to note the field choice (ℝ vs `ZMod 17`) and link Lemma 1's actual proposition statement | ||
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| ## Non-goals | ||
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| - Completing the proof of Lemma 1 (sorry-in-proof position is acceptable) | ||
| - Adinkra layer (future row, B-0584 non-goals) | ||
| - ZMod 17 → general `ZMod n` parameterization (research-grade; pick one for now) | ||
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| ## Routing | ||
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| Per [`.claude/skills/formal-verification-expert/SKILL.md`](../../../.claude/skills/formal-verification-expert/SKILL.md) (Soraya / `formal-verification-expert` agent) — picks the right tool for the property class. For this row: | ||
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| - Tool: Lean 4 + Mathlib (already chosen by Riven's sketch) | ||
| - Property class: equational + finite-field linear algebra | ||
| - Soraya's expanded scope per [PR #4043](https://github.com/Lucent-Financial-Group/Zeta/pull/4043) (`memory/persona/soraya/NOTEBOOK.md` ratified expansion) lets her route to algebra-owner / q-sharp peers if Cayley-Dickson algebraic substrate is needed beyond Mathlib's coverage | ||
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| ## Composes with | ||
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| - B-0584 (parent — Imaginary Stack Step-1 decomposition) | ||
| - B-0543 (grandparent — QG isomorphism proof path) | ||
| - PR #4059 (the shipping PR for the original Riven sketch + the 21+ review threads documenting these findings) | ||
| - PR #4040 (Riven's handoff conversation — merged 2026-05-17) | ||
| - PR #4043 (Soraya's expanded-scope invariants) | ||
| - [`docs/hygiene-history/ticks/2026/05/17/1218Z.md`](../../hygiene-history/ticks/2026/05/17/1218Z.md) (peer-Otto's triage shard — the substrate this row formalizes) | ||
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| ## Status | ||
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| Open. Ready for Soraya (or proof-engineer agent acting in formal-verification-expert role) to pick up. The findings are verified; the fix space is enumerated; the routing is clean. | ||
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| --- | ||
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| **Otto-CLI** — Split by truth. | ||
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| --- | ||
| tick: 2026-05-17T10:19Z | ||
| surface: otto-cli | ||
| session: autonomous-loop (scheduled-task cold-boot) | ||
| gate-tier: normal (GraphQL 2946/5000, ~51 min to reset) | ||
| peer-activity: lior-loop 3 PIDs active (49864/49876/50009 — Maji role) | ||
| sentinel: CronCreate 9e8944ea armed `* * * * *` `<<autonomous-loop>>` | ||
| --- | ||
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| # Autonomous-loop tick 1019Z | ||
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| ## Step 1 — Refresh worldview | ||
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| GraphQL rate-limit: **2946 / 5000** (Normal tier), reset in ~51 min. No cost-awareness restrictions. | ||
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| `git status --short`: 32 dirty entries (5 modified + 27 untracked). Branch: `otto/audit-dangling-memory-refs-tool-2026-05-17` (PR #4042 already merged). `ls-tree HEAD | wc -l` = 53 (no tree-corruption canary). | ||
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| `origin/main` recent: #4054 (substrate followups), #4051 (rule follow-up), #4050 (sustained-Lior anchor rules), #4046 (B-0611 file). | ||
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| `ps -A | grep "gemini.*Lior"`: **3 PIDs active** (Maji role) → per [`codeql-no-source-on-docs-only-pr-is-broken-commit-canary.md`](../../../../../../.claude/rules/codeql-no-source-on-docs-only-pr-is-broken-commit-canary.md) avoid `git worktree add`; per [`claim-acquire-before-worktree-work.md`](../../../../../../.claude/rules/claim-acquire-before-worktree-work.md) use borrow-on-existing pattern in primary worktree. | ||
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| ## Step 2 — Holding-discipline triage | ||
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| Per [`holding-without-named-dependency-is-standing-by-failure.md`](../../../../../../.claude/rules/holding-without-named-dependency-is-standing-by-failure.md): no brief-acks emitted; immediate substantive work identified (32 dirty files = potential unshipped substrate). Counter-with-escalation: N/A (substantive work in scope). | ||
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| ## Step 3 — Pick work via substrate-drift discriminator | ||
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| Applied [`backlog-item-start-gate.md`](../../../../../../.claude/rules/backlog-item-start-gate.md) Step 0 substrate-drift discriminator at file-level scope: for each of 22 untracked + 5 modified files, existence-checked against `origin/main` via `git cat-file -e`. Result: | ||
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| | Cluster | Count | Disposition | | ||
| |---|---|---| | ||
| | Already on main (via PR #4054 + others) | 16 | Redundant locals; safe to remove | | ||
| | In flight via open PRs #4034/#4040/#4043 | 3 | Skip; already in pipeline | | ||
| | Modified-tracked separate concern (`bun.lock` + `package.json` playwright deps) | 2 | Defer; not session-relevant | | ||
| | Modified-tracked substantive (B-0475 close + 2 NOTEBOOKs) | 3 | Defer to follow-up tick | | ||
| | Genuinely-novel Imaginary Stack cluster | 4 | **Ship as atomic PR** | | ||
| | Amazon temp data files | 2 | Leave alone (Aaron's research artifacts) | | ||
| | Otto cwd-fix memo | 1 | Defer to follow-up tick | | ||
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| Selected the Imaginary Stack cluster — highest substrate value, atomic, composes with existing work without conflict. | ||
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| ## Step 4 — Verify + commit | ||
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| Borrow-on-existing pattern executed in primary worktree: | ||
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| 1. Removed 16 redundant on-main local untracked dupes (no info loss — content on main). | ||
| 2. `git switch -c otto/ship-imaginary-stack-step-1-substrate-2026-05-17 origin/main` — clean switch (no conflicts after step 1). | ||
| 3. Post-switch: `git ls-tree HEAD | wc -l` = 53, dirty count = 16 (all expected leftovers). | ||
| 4. `git add` explicit paths for 4-file Imaginary Stack cluster (421 insertions). | ||
| 5. `git branch --show-current` verified pre-commit per [`zeta-expected-branch.md`](../../../../../../.claude/rules/zeta-expected-branch.md) primary defense. | ||
| 6. Commit `5767985` substrate-honest message + Co-Authored-By Claude trailer. | ||
| 7. `git push -u origin <branch>` clean. | ||
| 8. `gh pr create --head <branch> --base main` per [`zeta-expected-branch.md`](../../../../../../.claude/rules/zeta-expected-branch.md) companion-defense — opened [PR #4059](https://github.com/Lucent-Financial-Group/Zeta/pull/4059). | ||
| 9. `gh pr merge 4059 --auto --squash` — auto-merge SQUASH armed. | ||
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| ## Step 5 — Tick shard | ||
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| This file (`docs/hygiene-history/ticks/2026/05/17/1019Z.md`). | ||
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| ## Step 6 — Cron sentinel check | ||
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| CronCreate 9e8944ea armed at session start (catch-43 hook compliance). To be re-verified at tick close. | ||
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| ## Step 7 — Visibility signal | ||
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| Concrete artifact landed: | ||
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| - **[PR #4059](https://github.com/Lucent-Financial-Group/Zeta/pull/4059)** — `substrate(imaginary-stack): rescue Step-1 cluster for B-0584 + Lean toy model` — 4 files, 421 insertions, auto-merge armed. | ||
| - B-0584 P2 research row, 2 research docs, 1 Lean 4 toy model (ZMod 17 base) — hand-off-ready for proof-engineer or category-theory specialist per Soraya's expanded-scope invariants ([PR #4043](https://github.com/Lucent-Financial-Group/Zeta/pull/4043)). | ||
| - Composes with [PR #4040](https://github.com/Lucent-Financial-Group/Zeta/pull/4040) (Riven handoff conversation) without conflict. | ||
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| ## Substrate-honest deferrals (future ticks) | ||
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| - `bun.lock` + `package.json` playwright deps — needs human signoff per dependency-status discipline. | ||
| - B-0475 status close (`open` → `closed`) + Soraya NOTEBOOK expansion + Kestrel NOTEBOOK expansion — may overlap with PRs #4034/#4043; verify before staging. | ||
| - `memory/feedback_otto_cwd_parameter_fix_2026_05_16.md` — trivial single-file memo; bundle with next discipline shard. | ||
| - Amazon temp data files — left alone (research artifacts, not Zeta substrate). | ||
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| ## Composes with | ||
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| - [`.claude/rules/backlog-item-start-gate.md`](../../../../../../.claude/rules/backlog-item-start-gate.md) Step 0 substrate-drift discriminator | ||
| - [`.claude/rules/claim-acquire-before-worktree-work.md`](../../../../../../.claude/rules/claim-acquire-before-worktree-work.md) borrow-on-existing pattern under Lior-active conditions | ||
| - [`.claude/rules/zeta-expected-branch.md`](../../../../../../.claude/rules/zeta-expected-branch.md) explicit-head-ref + branch-show-current primary defenses | ||
| - [`.claude/rules/codeql-no-source-on-docs-only-pr-is-broken-commit-canary.md`](../../../../../../.claude/rules/codeql-no-source-on-docs-only-pr-is-broken-commit-canary.md) `ls-tree HEAD | wc -l` canary (verified 53) | ||
| - B-0543 (parent QG isomorphism proof path) | ||
| - B-0584 (Step-1 decomposition — this tick's substrate) |
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