fix(cli): append current daemon URL below retired-palace banner

[jphein]

Summary

• ~/.mempalace/RETIRED is frozen at retirement time. If the daemon later moves hosts (e.g., our disks.jphe.in → familiar:8085 migration on 2026-05-24), the marker's embedded URL goes stale and every "palace missing" message shows a dead URL.
• Adds _emit_current_daemon_url(emit) in palace.py that reads MempalaceConfig().daemon_url at print time and appends one line below the marker text when set. Silent no-op when no URL is configured.
• Both retired-banner sites call it: palace._emit_palace_missing and cli._print_retired_local_palace_or_default.
• Slice of cli: rooms/wake-up (and possibly more) require local DSN — should fall back to daemon path like status/list #282. The bigger work in cli: rooms/wake-up (and possibly more) require local DSN — should fall back to daemon path like status/list #282 (daemon-routing for cmd_rooms / cmd_wakeup / cmd_mined) needs palace-daemon endpoint additions and will follow as a separate PR after that companion lands.

Test plan

• pytest tests/test_local_palace_retired.py — 6 tests pass (2 new: appends URL when set, silent when unset)
• pytest tests/test_cli.py tests/test_cli_daemon.py tests/test_cli_json.py — 132 tests pass (no regression)
• ruff format + ruff check clean on the three edited files
• scripts/check-docs.sh passes (test count bumped 3561 → 3563, llms-full.txt regenerated)

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[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses an issue where users could be misled by stale daemon URLs contained within retired-palace marker files. By dynamically fetching and displaying the current daemon URL from the system configuration at runtime, the CLI now provides accurate connectivity information even after a migration. This change ensures that users are always directed to the correct active daemon endpoint.

Highlights

• Dynamic Daemon URL Reporting: Introduced a new helper function _emit_current_daemon_url to display the currently configured daemon URL when a local palace is marked as retired.
• Improved User Feedback: Updated the CLI and palace logic to append the active daemon URL to the retired-palace banner, preventing confusion caused by stale URLs embedded in frozen marker files.
• Regression Testing: Added comprehensive test cases to verify that the daemon URL is correctly appended when configured and remains silent when no URL is set.

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[gemini-code-assist]

Code Review

This pull request introduces a helper function _emit_current_daemon_url to append the currently-configured daemon URL below a retired-palace banner, preventing users from being misled by stale configuration text. This helper is integrated into both the CLI and palace modules, and corresponding unit tests have been added to verify its behavior. Additionally, documentation files were updated to reflect the new passing test count. I have no feedback to provide as there are no review comments.