Surface trigger profile context in result tables

[yoshifuminakamura]

Summary

• snapshot execution profile activity/allocation context into Portal trigger run payloads
• show Result table activity/allocation using Result JSON first, trigger variables second, and trigger payload snapshots as fallback
• use the same fallback in trigger run summaries

Tests

• python -m pytest result_server/tests/test_results_loader.py result_server/tests/test_trigger_display.py
• python result_server/tests/run_result_server_tests.py
• python -m py_compile result_server/utils/results_loader.py result_server/trigger_runner.py result_server/utils/result_table_rows.py result_server/utils/trigger_display.py
• git diff --check

Manual verification

• confirmed the rendered Result table shows the Activity / Allocation column and allocation fallback values