feat(timeline): add pulse animation for in-flight drag mutations

Allocation bars that have active optimistic overrides (post-drag,
awaiting server confirmation) now pulse subtly via animate-pulse.
The pending set is derived from the existing optimisticAllocations
map keys, requiring no additional state.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.claude/helpers/statusline-hook.sh

@@ -1,21 +0,0 @@
-# Claude Flow V3 Statusline Hook
-# Add to your shell RC file (.bashrc, .zshrc, etc.)
-
-# Function to get statusline
-claude_flow_statusline() {
-  local statusline_script="${CLAUDE_FLOW_DIR:-.claude}/helpers/statusline.cjs"
-  if [ -f "$statusline_script" ]; then
-    node "$statusline_script" 2>/dev/null || echo ""
-  fi
-}
-
-# For bash PS1
-# export PS1='$(claude_flow_statusline) \n\$ '
-
-# For zsh RPROMPT
-# export RPROMPT='$(claude_flow_statusline)'
-
-# For starship (add to starship.toml)
-# [custom.claude_flow]
-# command = "node .claude/helpers/statusline.cjs 2>/dev/null"
-# when = "test -f .claude/helpers/statusline.cjs"