From 6c2a829b908f6face28adce25eed05e9169c4e42 Mon Sep 17 00:00:00 2001
From: garrytan <garrytan@gmail.com>
Date: Wed, 28 Oct 2026 00:48:53 +0000
Subject: [PATCH] fix(learn): BASH_COMPAT guard on in-window heredocs; count
 skill-e2e-write-skill in the paid census

Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>
---
 bin/gstack-learnings-log                | 4 ++++
 bin/gstack-learnings-search             | 4 ++++
 test/eng-finding-retry-budget.test.ts   | 2 +-
 test/fixtures/skill-evals/learn/seed.sh | 4 ++++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/bin/gstack-learnings-log b/bin/gstack-learnings-log
index b940dc135..8acaf450a 100755
--- a/bin/gstack-learnings-log
+++ b/bin/gstack-learnings-log
@@ -5,6 +5,10 @@
 #
 # Append-only storage. Duplicates (same key+type) are resolved at read time
 # by gstack-learnings-search ("latest winner" per key+type).
+# Heredoc delivery guard: bash 5.2+ pipes heredoc bodies <=64KiB, and on
+# macOS a starved 512-byte pipe hangs bodies >=512B at startup. Compat level
+# 50 restores the tempfile path (test/heredoc-pipe-deadlock.test.ts).
+BASH_COMPAT=50
 set -euo pipefail
 GSTACK_BUN_CONFIG=/dev/null; case "${OSTYPE:-}" in msys*|cygwin*) if command -v cygpath >/dev/null 2>&1; then GSTACK_BUN_CONFIG=NUL; fi ;; esac
 
diff --git a/bin/gstack-learnings-search b/bin/gstack-learnings-search
index 7b10c2942..54225ca4d 100755
--- a/bin/gstack-learnings-search
+++ b/bin/gstack-learnings-search
@@ -7,6 +7,10 @@
 # Exit 0 silently if no learnings file exists or nothing matches. Missing bun
 # exits 127 and a failed read exits non-zero with its stderr (#2790): "could
 # not read" must never look like "nothing recorded".
+# Heredoc delivery guard: bash 5.2+ pipes heredoc bodies <=64KiB, and on
+# macOS a starved 512-byte pipe hangs bodies >=512B at startup. Compat level
+# 50 restores the tempfile path (test/heredoc-pipe-deadlock.test.ts).
+BASH_COMPAT=50
 set -euo pipefail
 GSTACK_BUN_CONFIG=/dev/null; case "${OSTYPE:-}" in msys*|cygwin*) if command -v cygpath >/dev/null 2>&1; then GSTACK_BUN_CONFIG=NUL; fi ;; esac
 
diff --git a/test/eng-finding-retry-budget.test.ts b/test/eng-finding-retry-budget.test.ts
index 035a129ce..687cc2ea0 100644
--- a/test/eng-finding-retry-budget.test.ts
+++ b/test/eng-finding-retry-budget.test.ts
@@ -141,7 +141,7 @@ test('live periodic census fits the declared CI wall including setup', () => {
 
 test('registered allocation is deterministic and preserves every discovered file', () => {
   const files = collectPaidTestFiles();
-  expect(files).toHaveLength(111); // + skill-e2e-ship-frozen-scope (frozen review scope, GSTA-113 PR 2); + skill-e2e-failure-routing (#3157/#3158); + skill-e2e-dx-error-contract (#3226); + skill-e2e-gate-integrity (HONEST_WORK_GATE_INTEGRITY W8); + skill-e2e-autoplan-schema-canary, -guard-pty and -long-session (Oct 7 wave, CEO-13, ENG-18, CEO-15); + skill-e2e-ship-measure-seeded-flake (v1.91.32.0); W5a: 15 carve wrappers became one case-sharded file; + codex-e2e-multiblock-live and skill-e2e-design-model-smoke (v1.91.30.0);
+  expect(files).toHaveLength(112); // + skill-e2e-write-skill (GSTA-133); + skill-e2e-ship-frozen-scope (frozen review scope, GSTA-113 PR 2); + skill-e2e-failure-routing (#3157/#3158); + skill-e2e-dx-error-contract (#3226); + skill-e2e-gate-integrity (HONEST_WORK_GATE_INTEGRITY W8); + skill-e2e-autoplan-schema-canary, -guard-pty and -long-session (Oct 7 wave, CEO-13, ENG-18, CEO-15); + skill-e2e-ship-measure-seeded-flake (v1.91.32.0); W5a: 15 carve wrappers became one case-sharded file; + codex-e2e-multiblock-live and skill-e2e-design-model-smoke (v1.91.30.0);
   expect(files).toContain('test/skill-e2e-ship-skip.test.ts');
   const m = livePlan(files);
   expect(livePlan([...files].reverse())).toEqual(m);
diff --git a/test/fixtures/skill-evals/learn/seed.sh b/test/fixtures/skill-evals/learn/seed.sh
index 3f82feb92..1d0dbbd8b 100755
--- a/test/fixtures/skill-evals/learn/seed.sh
+++ b/test/fixtures/skill-evals/learn/seed.sh
@@ -1,6 +1,10 @@
 #!/bin/sh
 # Seeds a /learn eval work dir: a git repo plus a gstack state root at ./.gstack-home.
 # Usage (from a task's setup, cwd = the run's work dir): sh "$SKILL_EVAL_FIXTURES/seed.sh" full|empty|cross
+# Heredoc delivery guard: bash 5.2+ pipes heredoc bodies <=64KiB, and on
+# macOS a starved 512-byte pipe hangs bodies >=512B at startup. Compat level
+# 50 restores the tempfile path (test/heredoc-pipe-deadlock.test.ts).
+BASH_COMPAT=50
 set -eu
 mode="${1:-full}"
 git init -q -b main