same-author merge test (orch-01) (#17)

Co-authored-by: orch-01 <[email protected]>

.woodpecker.yml

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+when:
+  - event: [push, pull_request, manual]
+
+steps:
+  - name: verify-fixture
+    image: alpine:3.20@sha256:d9e853e87e55526f6b2917df91a2115c36dd7c696a35be12163d44e6e2a4b6bc
+    commands:
+      - set -eu
+      - test -s README.md
+      - test -s fixture.md
+      - test -s .woodpecker.yml
+      - grep -Fqx '# prmerge-trailer-fixture' README.md
+      - grep -Fq 'RETAINED AS EVIDENCE' README.md
+      - grep -Fqx '# PR merge trailer fixture' fixture.md
+      - test "$$(find . -maxdepth 1 -type f -name '*.md' -size +0c | wc -l)" -ge 2

embedded-trailer-test.txt

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+embedded-trailer hypothesis test

emptymsg-test-file.txt

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+empty-message control arm test file

intersection-supplied.md

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+trailer-intersection supplied-field arm
+foreign-author seed
+poster-authored head

mos-poster-plain-message.md

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+# Distinct poster and merge executor control
+
+Non-product fixture for merge-message behavior measurement.
+
+The pull request poster and commit author are mos. The intended merge executor is fred. The proposed measurement supplies a plain, non-trailer-shaped merge title and message through the reviewed merge tooling.
+
+No outcome is asserted before inspecting the resulting commit. Preserve the exact request, source head and resulting commit as evidence. No credentials are shared. Existing review and CI gates remain required.

multicommit-a.txt

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+multi-commit arm - commit A

multicommit-b.txt

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+multi-commit arm - commit B

plainmsg-test-file.txt

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+plain-message-arm test file

rate-arm-01.md

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+title-message rate arm 01
+foreign-author seed
+poster-authored head

rate-arm-02.md

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+title-message rate arm 02
+foreign-author seed
+poster-authored head

rate-arm-03.md

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+title-message rate arm 03
+foreign-author seed
+poster-authored head

rate-arm-04.md

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+title-message rate arm 04
+foreign-author seed
+poster-authored head

rate-arm-05.md

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+title-message rate arm 05
+foreign-author seed
+poster-authored head

same-author-test.md

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+same-author merge test by orch-01 2026-09-15T03:19:21Z