fix: auto-recover from stale Claude Code session on exit code 1

When Claude Code exits with code 1 during a session resume because the
session transcript file no longer exists (ENOENT on .jsonl), clear the
stale session from SQLite and retry once with a fresh session.

Detection is targeted: only triggers on ENOENT referencing a .jsonl
file or explicit "session not found" errors. Transient failures
(network, API) fall through to the normal backoff retry path.

Also removes unrelated ollama files that were mixed in during rebase.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/ollama-watch.sh

@@ -1,41 +0,0 @@
-#!/bin/bash
-# Watch NanoClaw IPC for Ollama activity and show macOS notifications
-# Usage: ./scripts/ollama-watch.sh
-
-cd "$(dirname "$0")/.." || exit 1
-
-echo "Watching for Ollama activity..."
-echo "Press Ctrl+C to stop"
-echo ""
-
-LAST_TIMESTAMP=""
-
-while true; do
-  # Check all group IPC dirs for ollama_status.json
-  for status_file in data/ipc/*/ollama_status.json; do
-    [ -f "$status_file" ] || continue
-
-    TIMESTAMP=$(python3 -c "import json; print(json.load(open('$status_file'))['timestamp'])" 2>/dev/null)
-    [ -z "$TIMESTAMP" ] && continue
-    [ "$TIMESTAMP" = "$LAST_TIMESTAMP" ] && continue
-
-    LAST_TIMESTAMP="$TIMESTAMP"
-    STATUS=$(python3 -c "import json; d=json.load(open('$status_file')); print(d['status'])" 2>/dev/null)
-    DETAIL=$(python3 -c "import json; d=json.load(open('$status_file')); print(d.get('detail',''))" 2>/dev/null)
-
-    case "$STATUS" in
-      generating)
-        osascript -e "display notification \"$DETAIL\" with title \"NanoClaw → Ollama\" sound name \"Submarine\"" 2>/dev/null
-        echo "$(date +%H:%M:%S) 🔄 $DETAIL"
-        ;;
-      done)
-        osascript -e "display notification \"$DETAIL\" with title \"NanoClaw ← Ollama ✓\" sound name \"Glass\"" 2>/dev/null
-        echo "$(date +%H:%M:%S) ✅ $DETAIL"
-        ;;
-      listing)
-        echo "$(date +%H:%M:%S) 📋 Listing models..."
-        ;;
-    esac
-  done
-  sleep 0.5
-done