[spark-compete] Use configured bundle in Telegram repair guidance

[jumperz11]

Summary

• fixes Telegram repair/start warning guidance to use the configured bundle when relay-secret setup is incomplete
• preserves the public-safe warning text without echoing secret env/config names
• rebased onto current upstream master and kept the branch to one focused commit

Proof

• head: 7cbe210
• base: origin/master f989fd0
• branch state: git rev-list --left-right --count origin/master...HEAD -> 0 1
• TMPDIR=/Users/jumperz/tmp/spark-tests PYTHONPATH=src python -m unittest tests.test_cli.SparkCliTests.test_format_start_warning_mentions_running_process_and_logs tests.test_cli.SparkCliTests.test_format_start_warning_mentions_exited_process_and_logs tests.test_cli.SparkCliTests.test_format_start_warning_does_not_repeat_embedded_exit_detail tests.test_cli.SparkCliTests.test_format_start_warning_hides_telegram_relay_secret_env_name tests.test_cli.SparkCliTests.test_format_start_warning_uses_configured_bundle_for_relay_secret_guidance -> 5 passed
• python -m py_compile src/spark_cli/cli.py tests/test_cli.py -> passed
• git diff --check origin/master..HEAD -> passed

Safety notes

• warning/guidance text only
• no Telegram routing, relay startup, account/team routing, provider execution, token handling, installer behavior, or secret retrieval changed
• no tokens, admin identifiers, raw logs, screenshots, or private chat material included