ci: make owned-pool rescue side-lane sweeper-only

[teamleaderleo]

Problem

ci-owned-pool-rescue.yml received workflow_run events for 11 side-lane workflows even though those workflows have no picker and their trusted attempt-1 jobs already run on the fleet. Each event could start a separate rescue watch that saves no run. The incident report counted 429 rescue runs today, with 25 completed and 21 in progress, and the full watch budget is about 61 minutes.

Change

Side lanes are now sweeper-only. Their workflow_run entries and SOURCE_WORKFLOW_PATHS declarations are removed. The screenshots and nightly workflow triggers remain. Explicit workflow_dispatch watches and the side-lane target rules remain available for a named run.

The workflow test now asserts exactly the two retained workflow-run sources and verifies that no side-lane path is declared.

Verification

• python3 tests/test_ci_owned_pool_rescue.py: 115 passed
• python3 tests/test_ci_workflow_run_sources.py: passed, 120 workflows
• actionlint .github/workflows/ci-owned-pool-rescue.yml: passed
• git diff --check: passed

🤖 Generated with Claude Code

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Summary by cubic

Prevents ci-owned-pool-rescue from spawning a rescue watch for side-lane workflows, which have no picker and already run on the fleet. Side lanes now rely on the periodic sweeper: their workflow_run triggers and SOURCE_WORKFLOW_PATHS entries are removed, while screenshots and nightly triggers stay. Explicit workflow_dispatch watches and side-lane target rules remain for named runs.

Updates the workflow test to assert the two retained workflow-run sources and verify no side-lane path is declared.

^{Written for commit 556523d. Summary will update on new commits.}

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📥 Commits

Reviewing files that changed from the base of the PR and between a24a1b5 and 556523d.

📒 Files selected for processing (2)

• .github/workflows/ci-owned-pool-rescue.yml
• tests/test_ci_owned_pool_rescue.py

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[github-actions]

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[github-actions]

Merge receipt for 556523d4fd: every check was green at merge (10 verified; 13 skipped by policy). Full suite runs on main after merge.