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Spec 0193 — Stale-blue sweep filter — catch machines on an out-of-release image

Frontmatter
Field
Value
kind
dev
spec
0193
slug
stale-blue-sweep-image-based-filter
title
Stale-blue sweep filter — catch machines on an out-of-release image
type
new-feature
label
new-feature
version_bump
MINOR
target_version
1.39.0
status
deployed
depends_on
['0162']
complexity
S
created
2026-05-23
queued_at
2026-05-23T00:00:00Z
started_at
2026-05-23T16:28:39Z
merged_at
2026-05-23T16:34:25Z
deployed_at
2026-05-23T16:39:52Z
pr
https://github.com/Lexiz/dual-research/pull/222
handover
handoffs/2026-05-23-spec-0193-stale-blue-sweep-image-based-filter.md
failure_step
source_session
deferred-from-0186
promoted_from_draft
disposition
archive
disposition_reason
Pre-spec-0229 carve-out; disposition assigned retroactively to satisfy the new convention.
Event timeline
When
Step
Data
2026-05-22T23:23:08Z
queued
{"source": "deferred_from_0186"}
2026-05-23T16:28:35Z
cycle_started
{}
2026-05-23T16:28:35Z
preflight_ok
{"checks": ["main_clean", "no_open_spec_prs", "no_in_flight"]}
2026-05-23T16:28:35Z
handoff_read
{"path": "handoffs/2026-05-23-spec-0192-l-spec-checkpoint-budget-heuristic.md"}
2026-05-23T16:28:35Z
spec_read
{"path": "specs/0193-stale-blue-sweep-image-based-filter.md", "lines": 195, "type": "new-feature"}
2026-05-23T16:28:35Z
planning_started
{}
2026-05-23T16:28:53Z
reconcile_complete
{"mechanical": 0, "semantic": 0, "verdict": "clean"}
2026-05-23T16:28:54Z
in_progress
{}
2026-05-23T16:28:56Z
branched
{"branch": "spec/0193-stale-blue-sweep-image-based-filter", "from": "main@dafdbb9"}
2026-05-23T16:29:00Z
implementing_started
{}
2026-05-23T16:32:02Z
implement_complete
{"files_changed": 11, "commits": 0}
2026-05-23T16:32:06Z
tests_started
{}
2026-05-23T16:33:42Z
tests_green
{"passed": 1722}
2026-05-23T16:34:21Z
pr_opened
{"url": "https://github.com/Lexiz/dual-research/pull/222"}
2026-05-23T16:34:40Z
merged
{"pr": "https://github.com/Lexiz/dual-research/pull/222"}
2026-05-23T16:35:22Z
deploy_started
{}
2026-05-23T16:39:52Z
deployed
{"version": "1.39.0"}
2026-05-23T16:39:52Z
deploy_health_check_ok
{}
2026-05-23T16:41:01Z
handoff_written
{"path": "handoffs/2026-05-23-spec-0193-stale-blue-sweep-image-based-filter.md"}
Links