Add community skills, agents, system prompts from 22+ sources

Community Skills (32):
- jat: jat-start, jat-verify, jat-complete
- pi-mono: codex-cli, codex-5.3-prompting, interactive-shell
- picoclaw: github, weather, tmux, summarize, skill-creator
- dyad: 18 skills (swarm-to-plan, multi-pr-review, fix-issue, lint, etc.)
- dexter: dcf valuation skill

Agents (23):
- pi-mono subagents: scout, planner, reviewer, worker
- toad: 19 agent configs (Claude, Codex, Gemini, Copilot, OpenCode, etc.)

System Prompts (91):
- Anthropic: 15 Claude prompts (opus-4.6, code, cowork, etc.)
- OpenAI: 49 GPT prompts (gpt-5 series, o3, o4-mini, tools)
- Google: 13 Gemini prompts (2.5-pro, 3-pro, workspace, cli)
- xAI: 5 Grok prompts
- Other: 9 misc prompts (Notion, Raycast, Warp, Kagi, etc.)

Hooks (9):
- JAT hooks for session management, signal tracking, activity logging

Prompts (6):
- pi-mono templates for PR review, issue analysis, changelog audit

Sources analyzed: jat, ralph-desktop, toad, pi-mono, cmux, pi-interactive-shell,
craft-agents-oss, dexter, picoclaw, dyad, system_prompts_leaks, Prometheus,
zed, clawdbot, OS-Copilot, and more

skills/community/picoclaw/tmux/scripts/wait-for-text.sh

@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'USAGE'
+Usage: wait-for-text.sh -t target -p pattern [options]
+
+Poll a tmux pane for text and exit when found.
+
+Options:
+  -t, --target    tmux target (session:window.pane), required
+  -p, --pattern   regex pattern to look for, required
+  -F, --fixed     treat pattern as a fixed string (grep -F)
+  -T, --timeout   seconds to wait (integer, default: 15)
+  -i, --interval  poll interval in seconds (default: 0.5)
+  -l, --lines     number of history lines to inspect (integer, default: 1000)
+  -h, --help      show this help
+USAGE
+}
+
+target=""
+pattern=""
+grep_flag="-E"
+timeout=15
+interval=0.5
+lines=1000
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    -t|--target)   target="${2-}"; shift 2 ;;
+    -p|--pattern)  pattern="${2-}"; shift 2 ;;
+    -F|--fixed)    grep_flag="-F"; shift ;;
+    -T|--timeout)  timeout="${2-}"; shift 2 ;;
+    -i|--interval) interval="${2-}"; shift 2 ;;
+    -l|--lines)    lines="${2-}"; shift 2 ;;
+    -h|--help)     usage; exit 0 ;;
+    *) echo "Unknown option: $1" >&2; usage; exit 1 ;;
+  esac
+done
+
+if [[ -z "$target" || -z "$pattern" ]]; then
+  echo "target and pattern are required" >&2
+  usage
+  exit 1
+fi
+
+if ! [[ "$timeout" =~ ^[0-9]+$ ]]; then
+  echo "timeout must be an integer number of seconds" >&2
+  exit 1
+fi
+
+if ! [[ "$lines" =~ ^[0-9]+$ ]]; then
+  echo "lines must be an integer" >&2
+  exit 1
+fi
+
+if ! command -v tmux >/dev/null 2>&1; then
+  echo "tmux not found in PATH" >&2
+  exit 1
+fi
+
+# End time in epoch seconds (integer, good enough for polling)
+start_epoch=$(date +%s)
+deadline=$((start_epoch + timeout))
+
+while true; do
+  # -J joins wrapped lines, -S uses negative index to read last N lines
+  pane_text="$(tmux capture-pane -p -J -t "$target" -S "-${lines}" 2>/dev/null || true)"
+
+  if printf '%s\n' "$pane_text" | grep $grep_flag -- "$pattern" >/dev/null 2>&1; then
+    exit 0
+  fi
+
+  now=$(date +%s)
+  if (( now >= deadline )); then
+    echo "Timed out after ${timeout}s waiting for pattern: $pattern" >&2
+    echo "Last ${lines} lines from $target:" >&2
+    printf '%s\n' "$pane_text" >&2
+    exit 1
+  fi
+
+  sleep "$interval"
+done