buddymon/hooks-handlers/session-start.sh
pyr0ball 1930bd29bd fix: rotate challenge each session
Stop hook clears active.challenge after reporting it.
Start hook assigns a random challenge from the buddy's pool if none is set.
Result: fresh challenge every session, no stale repeat.
2026-04-02 12:20:19 -07:00

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#!/usr/bin/env bash
# Buddymon SessionStart hook
# Initializes state, loads active buddy, injects session context via additionalContext
PLUGIN_ROOT="${CLAUDE_PLUGIN_ROOT:-$(dirname "$(dirname "$(realpath "$0")")")}"
source "${PLUGIN_ROOT}/lib/state.sh"
buddymon_init
ACTIVE_ID=$(buddymon_get_active)
SESSION_XP=$(buddymon_get_session_xp)
# Load catalog for buddy display info
CATALOG="${PLUGIN_ROOT}/lib/catalog.json"
build_context() {
local ctx=""
# ── No starter chosen yet ─────────────────────────────────────────────
if [[ "$(buddymon_starter_chosen)" == "false" ]]; then
ctx="## 🐾 Buddymon — First Encounter!\n\n"
ctx+="Thrumble here! You don't have a Buddymon yet. Three starters are waiting.\n\n"
ctx+='Run `/buddymon start` to choose your starter and begin collecting!\n\n'
ctx+='**Starters available:** 🔥 Pyrobyte (Speedrunner) · 🔍 Debuglin (Tester) · ✂️ Minimox (Cleaner)'
echo "${ctx}"
return
fi
# ── No buddy assigned to this session ─────────────────────────────────
if [[ -z "${ACTIVE_ID}" ]]; then
ctx="## 🐾 Buddymon\n\n"
ctx+="No buddy assigned to this session. Run \`/buddymon assign <name>\` to assign one.\n"
ctx+="Run \`/buddymon roster\` to see your roster."
echo "${ctx}"
return
fi
# ── Active buddy ───────────────────────────────────────────────────────
local buddy_display buddy_affinity buddy_level buddy_xp
buddy_display=$(python3 -c "
import json
catalog = json.load(open('${CATALOG}'))
bid = '${ACTIVE_ID}'
b = catalog.get('buddymon', {}).get(bid) or catalog.get('evolutions', {}).get(bid)
if b:
print(b.get('display', bid))
" 2>/dev/null)
local roster_entry
roster_entry=$(buddymon_get_roster_entry "${ACTIVE_ID}")
if [[ -n "${roster_entry}" ]]; then
buddy_level=$(echo "${roster_entry}" | python3 -c "import json,sys; print(json.load(sys.stdin).get('level',1))")
buddy_xp=$(echo "${roster_entry}" | python3 -c "import json,sys; print(json.load(sys.stdin).get('xp',0))")
else
buddy_level=1
buddy_xp=0
fi
buddy_display="${buddy_display:-${ACTIVE_ID}}"
# XP bar (20 chars wide)
local xp_needed=$(( buddy_level * 100 ))
local xp_filled=$(( buddy_xp * 20 / xp_needed ))
[[ ${xp_filled} -gt 20 ]] && xp_filled=20
local xp_bar=""
for ((i=0; i<xp_filled; i++)); do xp_bar+="█"; done
for ((i=xp_filled; i<20; i++)); do xp_bar+="░"; done
ctx="## 🐾 Buddymon Active: ${buddy_display}\n"
ctx+="**Lv.${buddy_level}** XP: [${xp_bar}] ${buddy_xp}/${xp_needed}\n\n"
# Active challenge
local challenge
challenge=$(python3 -c "
import json
f = '${ACTIVE_FILE}'
d = json.load(open(f))
ch = d.get('challenge')
if ch:
print(ch.get('name','?') + ' — ' + ch.get('description',''))
" 2>/dev/null)
if [[ -n "${challenge}" ]]; then
ctx+="**Challenge:** 🔥 ${challenge}\n\n"
fi
# Active encounter carry-over
local enc
enc=$(buddymon_get_active_encounter)
if [[ -n "${enc}" ]]; then
local enc_id enc_display enc_strength
enc_id=$(echo "${enc}" | python3 -c "import json,sys; print(json.load(sys.stdin).get('id','?'))")
enc_display=$(echo "${enc}" | python3 -c "import json,sys; print(json.load(sys.stdin).get('display','?'))")
enc_strength=$(echo "${enc}" | python3 -c "import json,sys; print(json.load(sys.stdin).get('current_strength',100))")
ctx+="⚠️ **Unresolved encounter from last session:** ${enc_display} (strength: ${enc_strength}%)\n"
ctx+="Run \`/buddymon fight\` or \`/buddymon catch\` to resolve it.\n\n"
fi
ctx+="*Bug monsters appear from error output. Use \`/buddymon fight\` or \`/buddymon catch\`.*"
echo "${ctx}"
}
# Assign a fresh challenge if none is set
python3 << PYEOF
import json, random
catalog = json.load(open('${CATALOG}'))
active_file = '${ACTIVE_FILE}'
active = json.load(open(active_file))
buddy_id = active.get('buddymon_id')
if buddy_id and not active.get('challenge'):
pool = catalog.get('buddymon', {}).get(buddy_id, {}).get('challenges', [])
if pool:
active['challenge'] = random.choice(pool)
json.dump(active, open(active_file, 'w'), indent=2)
PYEOF
CONTEXT=$(build_context)
# Escape for JSON
CONTEXT_JSON=$(python3 -c "
import json, sys
print(json.dumps(sys.argv[1]))" "${CONTEXT}" 2>/dev/null)
if [[ -z "${CONTEXT_JSON}" ]]; then
CONTEXT_JSON='"🐾 Buddymon loaded."'
fi
cat << EOF
{
"hookSpecificOutput": {
"hookEventName": "SessionStart",
"additionalContext": ${CONTEXT_JSON}
}
}
EOF
exit 0