Fix agent memory artifact scope export

[chubes4]

Summary

• Preserve the resolved agent memory scope in agent_memory tool results.
• Use the resolved scope when building job artifact memory exports so agent-scoped memory does not fall back to agent_id: 0.
• Extend the job artifact smoke coverage for resolved memory scopes.

Testing

• php tests/job-artifacts-daily-memory-smoke.php
• php -l inc/Engine/AI/Tools/Global/AgentMemory.php
• php -l inc/Engine/AI/conversation-loop.php
• php -l inc/Core/JobArtifacts.php
• git diff --check

AI assistance

• AI assistance: Yes
• Tool(s): OpenCode (openai/gpt-5.5)
• Used for: Diagnosed the artifact scope regression and drafted the code/test changes; Chris requested the fix and remains responsible for review and merge.

[homeboy-ci]

Homeboy Results — data-machine

Lint

✅ lint — passed

ℹ️ Full options: homeboy docs commands/lint
Deep dive: homeboy lint data-machine --changed-since d356812

Test

✅ test — passed

• 769 passed

ℹ️ Auto-fix lint issues: homeboy refactor data-machine --from lint --write
ℹ️ Collect coverage: homeboy test data-machine --coverage
ℹ️ Save test baseline: homeboy test data-machine --baseline
ℹ️ Pass args to test runner: homeboy test -- [args]
ℹ️ Full options: homeboy docs commands/test
Deep dive: homeboy test data-machine --changed-since d356812

Audit

✅ audit — passed

• requested_detectors — 148 finding(s)
• test_coverage — 29 finding(s)
• dead_code — 10 finding(s)
• intra-method-duplication — 6 finding(s)
• dead_guard — 2 finding(s)
• Directives — 1 finding(s)
• Retention — 1 finding(s)
• Total: 197 finding(s)

Deep dive: homeboy audit data-machine --changed-since d356812

Tooling versions

• Homeboy CLI: homeboy 0.182.0+4a401166
• Extension: wordpress from https://github.com/Extra-Chill/homeboy-extensions
• Extension revision: 6419aa5f
• Action: unknown@unknown