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Aaron 2026-04-27 two more clarifications absorbed:
(5) Port-with-DST discipline: ../scratch and ../SQLSharp predate
DST discovery; their no-DST shape made debugging hard. When
porting, ADD DST (Otto-272) + pinned seeds (Otto-273) +
flake-zero (Otto-248). Don't replicate the bad-debugging
experience.
(6) AceHack-LFG diff-minimization invariant: long-horizon goal
is 0-diff between AceHack and LFG main, OR a small enumerated
allowlist of expected differences (.github/funding.yml, repo-
name references, org-specific tokens). 'Few' is part of the
bar.
Operational: build a 0-diff verification check under tools/sync/
that emits a report classifying each diff as expected
(allowlisted) or surprise (needs investigation). Sequenced after
laptop-source-integration (which may temporarily widen the diff).
Per AgencySignature v1 (Otto-138):
Author: Otto (Anthropic-side AI agent on the Zeta factory)
Origin-substrate: AceHack/Zeta main
Co-Authored-By: Otto <noreply@anthropic.com>
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Pull request overview
Updates the project memory around install-script language strategy with two additional clarifications (DST-first porting discipline and AceHack↔LFG diff-minimization invariant), and refreshes the memory index entry accordingly.
Changes:
- Add “port-with-DST” discipline guidance when porting shapes from
../scratch/../SQLSharp(DST + pinned seeds + flake-zero). - Add the AceHack↔LFG diff-minimization/allowlist invariant and an operational plan to build a verification check under
tools/sync/. - Update
memory/MEMORY.mdindex entry to reference the new clarifications.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| memory/project_install_script_language_strategy_post_install_typescript_pre_install_bash_powershell_python_for_ai_ml_2026_04_27.md | Adds two new clarification sections (DST-first porting + AceHack/LFG diff-minimization invariant). |
| memory/MEMORY.md | Updates the corresponding index entry to include the new clarifications. |
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| - [Laptop-only-source integration HIGH PRIORITY — `../scratch` = future ACE PACKAGE MANAGER seed (22 files); `../SQLSharp` = pre-DBSP event-stream-processing with LINQ/SQL (14 files, predates Aaron's DBSP discovery, Zeta-progenitor); goal = either ship feature OR write detailed-enough design that we no longer need the reference; Aaron 2026-04-27 clarification: NOT literal copy-paste, self-contained-understanding floor; refined triage per directory identity — `../scratch` references absorb into canonical location or design-doc the Ace-package-manager intent; `../SQLSharp` references map to DBSP-rigorous Zeta equivalents or design-doc the gap; sequenced AFTER PR #26 sync](project_laptop_only_source_integration_scratch_sqlsharp_features_or_designs_high_priority_2026_04_27.md) — 2026-04-27 P1 backlog row; per-reference triage with three outcomes (ship / design-doc / delete-decorative); composes Otto-275 (log-but-don't-implement default to design when uncertain) + Otto-323/346 (NOT external deps, in-repo or eliminate) + Otto-340 (substrate IS identity); done = `git grep ../scratch` and `git grep ../SQLSharp` return zero matches; effort L (3+ days); closes with Aaron's "good job today!!" second positive validation; Aaron's third 2026-04-27 clarification reveals `../SQLSharp` features potentially subsumed by Zeta's DBSP-rigorous form (linq-expert + sql-expert + sql-engine-expert skills already track this class). | ||
| - [Install-script language strategy — pre-install bash + PowerShell (where users are with nothing installed) / post-install TypeScript (declarative state, type-safe) / Python only for AI-ML eventually; Aaron 2026-04-27 confirms after PR #26 INSTALLED.md Python row update validation; `../scratch` is future-declarative-state hint surface; `.mise.toml` is canonical pin source-of-truth](project_install_script_language_strategy_post_install_typescript_pre_install_bash_powershell_python_for_ai_ml_2026_04_27.md) — 2026-04-27: composes Otto-215 (bun-TS migration) + Otto-235 (4-shell bash compat for pre-install) + Otto-247 (version currency) + Otto-323 (dependency symbiosis); pre-install structurally bash+PowerShell forever (no-runtime constraint); post-install migrates to TypeScript opportunistically; Python proposals AI/ML-test-gated; closes with Aaron's "Good job on everything" validation of the substrate-cluster Otto-354/355/356/357/358/359 + PR #26. | ||
| - [Install-script language strategy — pre-install bash + PowerShell (where users are with nothing installed) / post-install TypeScript (declarative state, type-safe) / Python only for AI-ML eventually; Aaron 2026-04-27 confirms after PR #26 INSTALLED.md Python row update validation; `../scratch` is future-declarative-state hint surface; `.mise.toml` is canonical pin source-of-truth; Aaron 2026-04-27 fifth clarification: port-with-DST discipline (NOT replicate the no-DST bad-behavior from `../scratch`/`../SQLSharp`); Aaron 2026-04-27 sixth clarification: AceHack-LFG diff-minimization invariant (0-diff or rigorously-accounted-for + few)](project_install_script_language_strategy_post_install_typescript_pre_install_bash_powershell_python_for_ai_ml_2026_04_27.md) — 2026-04-27: composes Otto-215 (bun-TS migration) + Otto-235 (4-shell bash compat for pre-install) + Otto-247 (version currency) + Otto-272/273/281/248 (port-with-DST: DST-everywhere + seed-lock + DST-exempt-is-deferred-bug + never-ignore-flakes) + Otto-323 (dependency symbiosis); pre-install structurally bash+PowerShell forever (no-runtime constraint); post-install migrates to TypeScript opportunistically; Python proposals AI/ML-test-gated; closes with Aaron's "Good job on everything" validation of the substrate-cluster Otto-354/355/356/357/358/359 + PR #26. |
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P1: memory/MEMORY.md is meant to be a terse, one-line-per-file index (per memory/README.md), but this entry has grown into a very long sentence with many clauses. Please shorten it (keep only the minimal label + key tags) and leave the detailed clarifications in the linked memory file so the index stays scannable and less likely to hit the ~200-line/truncation constraints.
Suggested change
| - [Install-script language strategy — pre-install bash + PowerShell (where users are with nothing installed) / post-install TypeScript (declarative state, type-safe) / Python only for AI-ML eventually; Aaron 2026-04-27 confirms after PR #26 INSTALLED.md Python row update validation; `../scratch` is future-declarative-state hint surface; `.mise.toml` is canonical pin source-of-truth; Aaron 2026-04-27 fifth clarification: port-with-DST discipline (NOT replicate the no-DST bad-behavior from `../scratch`/`../SQLSharp`); Aaron 2026-04-27 sixth clarification: AceHack-LFG diff-minimization invariant (0-diff or rigorously-accounted-for + few)](project_install_script_language_strategy_post_install_typescript_pre_install_bash_powershell_python_for_ai_ml_2026_04_27.md) — 2026-04-27: composes Otto-215 (bun-TS migration) + Otto-235 (4-shell bash compat for pre-install) + Otto-247 (version currency) + Otto-272/273/281/248 (port-with-DST: DST-everywhere + seed-lock + DST-exempt-is-deferred-bug + never-ignore-flakes) + Otto-323 (dependency symbiosis); pre-install structurally bash+PowerShell forever (no-runtime constraint); post-install migrates to TypeScript opportunistically; Python proposals AI/ML-test-gated; closes with Aaron's "Good job on everything" validation of the substrate-cluster Otto-354/355/356/357/358/359 + PR #26. | |
| - [Install-script language strategy — bash / PowerShell / TypeScript / Python-for-AI-ML; DST; `.mise.toml`](project_install_script_language_strategy_post_install_typescript_pre_install_bash_powershell_python_for_ai_ml_2026_04_27.md) — 2026-04-27. |
AceHack
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Per Aaron 2026-04-27: 'no reason we don't change that nightly job for slim to just trigger on every merge to main, it's free for open source projects.' The ubuntu-slim leg moved off per-PR gate (PR #43 / earlier moved it to nightly) because it's ~7x slower than the regular ubuntu-24.04 leg and times out at the 15-min runner-class cap during PR review cycles. But for post-merge to main, the elapsed time doesn't bottleneck anything — main has already landed; the slim run is a drift detector. Free for public repos (Otto-249 + Otto-210), so running on every merge gives faster drift detection than purely-nightly without cost. New trigger surface: 1. push to main (every merge) — primary drift detection 2. daily 06:00 UTC schedule — backstop for weekend drift 3. workflow_dispatch — manual ad-hoc verification Per AgencySignature v1 (Otto-138): Author: Otto (Anthropic-side AI agent on the Zeta factory) Origin-substrate: AceHack/Zeta main Co-Authored-By: Otto <noreply@anthropic.com>
AceHack
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Apr 27, 2026
…44) Per Aaron 2026-04-27: 'no reason we don't change that nightly job for slim to just trigger on every merge to main, it's free for open source projects.' The ubuntu-slim leg moved off per-PR gate (PR #43 / earlier moved it to nightly) because it's ~7x slower than the regular ubuntu-24.04 leg and times out at the 15-min runner-class cap during PR review cycles. But for post-merge to main, the elapsed time doesn't bottleneck anything — main has already landed; the slim run is a drift detector. Free for public repos (Otto-249 + Otto-210), so running on every merge gives faster drift detection than purely-nightly without cost. New trigger surface: 1. push to main (every merge) — primary drift detection 2. daily 06:00 UTC schedule — backstop for weekend drift 3. workflow_dispatch — manual ad-hoc verification Per AgencySignature v1 (Otto-138): Author: Otto (Anthropic-side AI agent on the Zeta factory) Origin-substrate: AceHack/Zeta main Co-authored-by: Otto <noreply@anthropic.com>
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Apr 27, 2026
…ucent-Financial-Group#644 reviews (#47) LFG Lucent-Financial-Group#644 (the AceHack #43+#44 sibling sync) accumulated three review findings that improved low-memory.yml beyond what landed via #45: 1. Codex P2 + Copilot P1 — concurrency: constant \`group: low-memory\` + cancel-in-progress: false silently REPLACES older pending runs on burst pushes (GitHub keeps at most 1 running + 1 pending per group). Defeats the "every merge gets checked" goal. Fix: \`group: low-memory-\${{ github.sha }}\` — per-commit concurrency, parallel execution, no replacement. 2. Copilot P1 — timeout-minutes: 30 conflicts with the 15-min runner-class hard cap; raising timeout-minutes can't actually exceed the platform limit and misleads readers. Fix: timeout-minutes: 14 — one minute under the cap so the job fails gracefully with a proper Actions log before the platform kills it. Update the safe-pattern-compliance comment to match. Both improvements were applied on the LFG Lucent-Financial-Group#644 branch in response to the review threads. Backporting them to AceHack now keeps the 0-diff invariant from #43 — next AceHack→LFG sync round should have zero workflow-file drift. Standard runners are free for public repos (Otto-249), so the parallel-runs cost is zero. Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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Apr 27, 2026
…nts (#48) * ci(low-memory): close 0-diff drift on "What this workflow does" comment block LFG main has comment improvements in low-memory.yml that didn't make it back to AceHack via #47 (which only backported the concurrency + timeout fixes). Close the residual drift: - Add push-to-main bullet at the top of "What this workflow does" - Add backstop parenthetical to schedule bullet - Add ubuntu-slim-was-removed-from-gate.yml note explaining the no- duplicate-run guarantee Per #43's diff-minimization invariant: AceHack and LFG should match on main with any drift rigorously accounted for. After this lands, \`git diff acehack/main..origin/main -- .github/workflows/low-memory.yml\` should return zero. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * fix(low-memory): match precise push-to-main wording in "What this workflow does" bullet (Copilot P2) Copilot flagged the bullet's "every merge (primary trigger)" as technically imprecise — the trigger is push.branches:[main] which includes direct/force pushes if ever allowed. Match the more precise wording used in the header (line 4-6) per the suggestion. Now the bullet reads: push to main: runs on every push to main (in practice every merge; primary trigger). Same imprecise wording is on LFG main (came in via LFG Lucent-Financial-Group#644). Will forward-sync this fix to LFG via the next sibling sync to keep 0-diff. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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Apr 27, 2026
…026-04-27) (#49) Aaron 2026-04-27 conversation produced two paired substrate landings: 1. **0-diff is start line, until then we're hobbling** — AceHack-LFG content-divergence (53 files / 6065 lines) isn't polish; it's the gate to factory operational status. #43's diff-minimization invariant DEFINES "started." Reverse-sync work is high-priority, not optional cleanup. 2. **LFG=master, AceHack=0-divergence fork, double-hop** — strategic topology reframe replacing Option C's parallel-SHA-history-accepted model: - LFG is master/canonical/published source of truth. - AceHack is a pure fork: 0 commits ahead AND 0 commits behind LFG after every paired-sync round. - Double-hop workflow: work lands on AceHack first → forward-sync to LFG → hard-reset AceHack main = LFG main (AceHack absorbs LFG's squash-SHA). - Force-push to AceHack main is part of the protocol; force-push to LFG main is forbidden. - Done criterion: \`git diff acehack/main..origin/main\` empty AND \`git rev-list --count\` returns 0 both directions. Both memory files cross-reference each other: the first frames the "start" gate, the second describes the topology that operationalizes it. This composes with task Lucent-Financial-Group#284 (Option C now superseded), task Lucent-Financial-Group#302 (UPSTREAM-RHYTHM bidirectional drift now resolved by the new model), Otto-340 (substrate-IS-identity — LFG IS the canonical identity), Otto-238 (force-push to AceHack is retractable; force-push to LFG forbidden). Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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Aaron 2026-04-27 two more clarifications:
Port-with-DST discipline — ../scratch and ../SQLSharp predate DST; their no-DST shape made debugging hard. Port the idea/feature/API, NOT the no-DST shape. Add DST (Otto-272) + pinned seeds (Otto-273) + flake-zero (Otto-248).
AceHack-LFG 0-diff invariant — long-horizon goal: 0-diff between AceHack and LFG main, OR a small enumerated allowlist of expected differences. Build a verification check under tools/sync/ that emits a classified report. 'Few' is part of the bar.
Substrate-only. No code change.
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