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/guidance-hook.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-# Capture hook guidance for Claude visibility
-GUIDANCE_FILE=".claude-flow/last-guidance.txt"
-mkdir -p .claude-flow
-
-case "$1" in
-  "route")
-    npx agentic-flow@alpha hooks route "$2" 2>&1 | tee "$GUIDANCE_FILE"
-    ;;
-  "pre-edit")
-    npx agentic-flow@alpha hooks pre-edit "$2" 2>&1 | tee "$GUIDANCE_FILE"
-    ;;
-esac