fix: feat: prediction-poll.sh — per-project LLM prediction agent (#140)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

planner/prediction-poll.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+# =============================================================================
+# prediction-poll.sh — Cron wrapper for prediction-agent (per-project)
+#
+# Runs hourly. Guards against concurrent runs and low memory.
+# Iterates over all registered projects and runs prediction-agent.sh for each.
+#
+# Cron: 0 * * * * /path/to/disinto/planner/prediction-poll.sh
+# Log:  tail -f /path/to/disinto/planner/prediction.log
+# =============================================================================
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+FACTORY_ROOT="$(dirname "$SCRIPT_DIR")"
+
+# shellcheck source=../lib/env.sh
+source "$FACTORY_ROOT/lib/env.sh"
+
+LOG_FILE="$SCRIPT_DIR/prediction.log"
+LOCK_FILE="/tmp/prediction-poll.lock"
+PROJECTS_DIR="$FACTORY_ROOT/projects"
+
+log() { echo "[$(date -u +%Y-%m-%dT%H:%M:%S)Z] $*" >> "$LOG_FILE"; }
+
+# ── Lock ──────────────────────────────────────────────────────────────────
+if [ -f "$LOCK_FILE" ]; then
+  LOCK_PID=$(cat "$LOCK_FILE" 2>/dev/null || true)
+  if [ -n "$LOCK_PID" ] && kill -0 "$LOCK_PID" 2>/dev/null; then
+    log "poll: prediction running (PID $LOCK_PID)"
+    exit 0
+  fi
+  rm -f "$LOCK_FILE"
+fi
+echo $$ > "$LOCK_FILE"
+trap 'rm -f "$LOCK_FILE"' EXIT
+
+# ── Memory guard ──────────────────────────────────────────────────────────
+AVAIL_MB=$(free -m | awk '/Mem:/{print $7}')
+if [ "${AVAIL_MB:-0}" -lt 2000 ]; then
+  log "poll: skipping — only ${AVAIL_MB}MB available (need 2000)"
+  exit 0
+fi
+
+log "--- Prediction poll start ---"
+
+# ── Iterate over projects ─────────────────────────────────────────────────
+PROJECT_COUNT=0
+if [ -d "$PROJECTS_DIR" ]; then
+  for project_toml in "$PROJECTS_DIR"/*.toml; do
+    [ -f "$project_toml" ] || continue
+    PROJECT_COUNT=$((PROJECT_COUNT + 1))
+    log "starting prediction-agent for $(basename "$project_toml")"
+    if ! "$SCRIPT_DIR/prediction-agent.sh" "$project_toml"; then
+      log "prediction-agent exited non-zero for $(basename "$project_toml")"
+    fi
+  done
+fi
+
+if [ "$PROJECT_COUNT" -eq 0 ]; then
+  log "No projects/*.toml found — running prediction-agent with .env defaults"
+  if ! "$SCRIPT_DIR/prediction-agent.sh"; then
+    log "prediction-agent exited non-zero"
+  fi
+fi
+
+log "--- Prediction poll done ---"