feat: add submitted skills review desk

submitted-skills/Vinicius Nascimento/skills/back-to-work/SKILL.md

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+---
+name: back-to-work
+description: Log the return from lunch at the Long Day Factory. Records backToWork with the current timestamp in ~/long-day-factory.json. Use when the user says lunch is over / they are back at their desk / "back to work".
+---
+
+# back-to-work
+
+Records when the user returns from lunch. The gap between `lunchTime` and
+`backToWork` is the lunch break that `am-i-free` subtracts from time served.
+
+## Steps
+
+1. Run:
+
+```bash
+bash "$CLAUDE_SKILL_DIR/back.sh"
+```
+
+Fallback path: `~/.claude/skills/back-to-work/back.sh`.
+
+2. The script creates `~/long-day-factory.json` if missing and sets `backToWork`
+   to now.
+   - If it warns that `lunchTime` is not set, ask the user whether they want to
+     also set `lunchTime` now (to the current time) or leave it for `am-i-free`
+     to handle with the default 11:30 assumption. If they say yes, re-run with:
+     `bash "$CLAUDE_SKILL_DIR/back.sh" --also-lunch`
+   - If it warns that `startTime` is not set, pass that along.
+
+3. Reply with humor: the machine missed you, the assembly line resumes, etc.
+   Include the timestamp.

submitted-skills/Vinicius Nascimento/skills/back-to-work/back.sh

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+#!/bin/bash
+# Log return from lunch.
+set -euo pipefail
+
+F="$HOME/long-day-factory.json"
+TS="$(python3 -c 'import datetime;print(datetime.datetime.now().astimezone().isoformat(timespec="seconds"))')"
+ALSO_LUNCH="${1:-}"
+
+if [ ! -f "$F" ]; then
+  printf '{\n  "startTime": null,\n  "lunchTime": null,\n  "backToWork": null\n}\n' > "$F"
+fi
+
+tmp="$(mktemp)"
+if [ "$ALSO_LUNCH" = "--also-lunch" ]; then
+  jq --arg ts "$TS" '.backToWork = $ts | (if .lunchTime == null then .lunchTime = $ts else . end)' "$F" > "$tmp" && mv "$tmp" "$F"
+  echo "Back to work at $TS (also set lunchTime to $TS)"
+else
+  jq --arg ts "$TS" '.backToWork = $ts' "$F" > "$tmp" && mv "$tmp" "$F"
+  echo "Back to work at $TS"
+fi
+
+if [ "$(jq -r '.lunchTime' "$F")" = "null" ]; then
+  echo "WARNING: lunchTime is not set — ask the user if they want to set it now (--also-lunch)."
+fi
+if [ "$(jq -r '.startTime' "$F")" = "null" ]; then
+  echo "WARNING: startTime is not set — did you skip long-day-start this morning?"
+fi