test: honor AgentTeams worker runtime env

[RerankerGuo]

Summary

• Make tests 02, 06, and 15 prefer AGENTTEAMS_DEFAULT_WORKER_RUNTIME.
• Preserve the legacy variable as a fallback for direct local test invocations.
• Keep openclaw as the final default.

Root cause

The integration matrix now exports AGENTTEAMS_DEFAULT_WORKER_RUNTIME, but these three worker-creating tests still read only HICLAW_DEFAULT_WORKER_RUNTIME. Copaw and Hermes matrix jobs therefore explicitly created OpenClaw workers, so their reported runtime coverage did not match the configured matrix dimension.

Verification

• bash -n passes for all three scripts.
• Shell assertions cover new-variable precedence, legacy fallback, and the default value in every file.
• git diff --check

This is test-only and does not change runtime behavior.

[github-actions]

❌ Integration Tests Failed (controller-cr-2 / mgr=copaw / wk=copaw)

Commit: f2cafd7
Workflow run: #1656

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[github-actions]

❌ Integration Tests Failed (llm-interaction / mgr=copaw / wk=copaw)

Commit: f2cafd7
Workflow run: #1656

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[github-actions]

❌ Integration Tests Failed (llm-interaction-2 / mgr=openclaw / wk=openclaw)

Commit: f2cafd7
Workflow run: #1656

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[github-actions]

❌ Integration Tests Failed (llm-interaction-2 / mgr=copaw / wk=hermes)

Commit: f2cafd7
Workflow run: #1656

Test Results

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[github-actions]

❌ Integration Tests Failed (llm-interaction / mgr=copaw / wk=hermes)

Commit: f2cafd7
Workflow run: #1656

Test Results

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[github-actions]

❌ Integration Tests Failed (controller-cr / mgr=copaw / wk=hermes)

Commit: f2cafd7
Workflow run: #1656

Test Results

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[github-actions]

❌ Integration Tests Failed (llm-interaction-2 / mgr=copaw / wk=copaw)

Commit: f2cafd7
Workflow run: #1656

Test Results

No test output captured.

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[github-actions]

❌ Integration Tests Failed (controller-cr / mgr=copaw / wk=copaw)

Commit: f2cafd7
Workflow run: #1656

Test Results

No test output captured.

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[github-actions]

❌ Integration Tests Failed (controller-cr / mgr=openclaw / wk=openclaw)

Commit: f2cafd7
Workflow run: #1656

Test Results

No test output captured.

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[github-actions]

❌ Integration Tests Failed (llm-interaction / mgr=openclaw / wk=openclaw)

Commit: f2cafd7
Workflow run: #1656

Test Results

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[RerankerGuo]

CI note: all 10 integration failures on run #1656 are blocked by the base workflow secret-name regression tracked and fixed in #1026. The base workflow exits during embedded install before the changes in these test scripts execute. This PR has 9 passing build and translation checks; local shell validation for the three runtime assignments is documented in the PR body.

[RerankerGuo]

Fresh independent evidence after the repository secret recovered: draft #1041's base-branch run 29489698196 exported AGENTTEAMS_DEFAULT_WORKER_RUNTIME=hermes, but unpatched test-06 logged Worker Bob runtime matches test matrix (got: 'openclaw', want: 'openclaw').

That confirms the legacy-only lookup masks the Hermes matrix dimension exactly as described here. #1028 makes tests 02, 06, and 15 prefer the canonical runtime variable while retaining the legacy fallback. The current red checks on this PR are the older pre-test secret failure; no patch change is needed.