storkit: delete 364_bug_worktree_cleanup_loops_on_orphaned_directories

.storkit/work/1_backlog/364_bug_worktree_cleanup_loops_on_orphaned_directories.md

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-name: "Worktree cleanup loops on orphaned directories"
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-
-# Bug 364: Worktree cleanup loops on orphaned directories
-
-## Description
-
-When a git worktree becomes orphaned (directory exists but git no longer recognises it as a valid worktree), the periodic worktree cleanup retries `git worktree remove` every minute and fails repeatedly with "fatal: not a working tree". This spams the logs indefinitely.
-
-## How to Reproduce
-
-1. Have a worktree created via storkit (e.g. for spike 329 or story 359)
-2. The worktree becomes orphaned — git refs break but the directory remains
-3. Observe server logs repeating the "not a working tree" warning every minute
-
-## Actual Result
-
-Cleanup loops forever, logging "fatal: '/workspace/.storkit/worktrees/...' is not a working tree" every minute without resolving the issue.
-
-## Expected Result
-
-If `git worktree remove` fails because git doesn't recognise the directory as a worktree, fall back to removing the orphaned directory directly (rm -rf) and clean up any stale git worktree metadata.
-
-## Acceptance Criteria
-
-- [ ] Orphaned worktree directories (exist on disk but not in git worktree list) are detected and removed
-- [ ] Removal fallback uses rm -rf when git worktree remove fails with 'not a working tree'
-- [ ] Stale .git/worktrees entries are pruned (git worktree prune)
-- [ ] No repeated log spam for the same orphaned worktree

.storkit/work/1_backlog/366_story_bot_sends_shutdown_message_on_server_stop_or_rebuild.md

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-name: "Bot sends shutdown message on server stop or rebuild"
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-
-# Story 366: Bot sends shutdown message on server stop or rebuild
-
-## User Story
-
-As a project owner in a chat room, I want the bot to send a message when the server is shutting down (via ctrl-c or rebuild_and_restart), so that I know the bot is going offline and won't wonder why it stopped responding.
-
-## Acceptance Criteria
-
-- [ ] Bot sends a shutdown message to active chat channels when the server receives SIGINT/SIGTERM (ctrl-c)
-- [ ] Bot sends a shutdown message before rebuild_and_restart kills the current process
-- [ ] Message indicates the reason (manual stop vs rebuild)
-- [ ] Message is sent best-effort — shutdown is not blocked if the message fails to send
-
-## Out of Scope
-
-- TBD