feat: minis launch, cold-start watch and delivery watch skills

Three TikTok Minis skills for Codex and Claude Code, with the cold-start
playbook and five benchmark accounts through 88776-1 (2026-09-30).
install.sh links them into ~/.codex/skills and ~/.claude/skills.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

install.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Link every skill in this repo into Codex and Claude Code, so a `git pull` here
+# is all it takes to get the latest lessons. Safe to re-run.
+set -euo pipefail
+
+repo="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+for target in "$HOME/.codex/skills" "$HOME/.claude/skills"; do
+  mkdir -p "$target"
+  for skill in "$repo"/skills/*/; do
+    name="$(basename "$skill")"
+    link="$target/$name"
+    if [ -e "$link" ] && [ ! -L "$link" ]; then
+      echo "skip $link: a real directory is there (an old copy?); remove it and re-run"
+      continue
+    fi
+    ln -sfn "${skill%/}" "$link"
+    echo "linked $link"
+  done
+done
+
+echo
+echo "Done. Each person still needs their own swads MCP token (see README)."