diff --git a/data/tools/route b/data/tools/route
deleted file mode 100755
index 304bca7..0000000
--- a/data/tools/route
+++ /dev/null
@@ -1,94 +0,0 @@
-#!/usr/bin/env bash
-# ollie:parallel read
-# args_json: {"type":"object","required":["instruction"],"properties":{"instruction":{"type":"string","description":"Task description to route"},"tier":{"type":"string","description":"Model tier: worker (default) or expert"},"backend":{"type":"string","description":"Backend override"}}}
-# ollie:prompt
-# ## route
-#
-# Route a subtask to an appropriate model tier. Spawns a subagent that reports back.
-#
-# ```
-# route(instruction="implement the login page")
-# route(instruction="refactor auth module", tier="expert")
-# ```
-# ollie:end
-set -euo pipefail
-
-source "${OLLIE_TOOLS_PATH:-$(dirname "$0")}/_lib/args.sh"
-
-die() { echo "error: $1" >&2; exit 1; }
-
-[ -z "${OLLIE_SESSION_ID:-}" ] && die "OLLIE_SESSION_ID not set (route must run inside a session)"
-
-instruction=$(arg_require "instruction")
-tier=$(arg_get "tier" "worker")
-backend_override=$(arg_get "backend" "")
-
-case "$tier" in
-    worker|expert) ;;
-    *) die "unknown tier: $tier (use worker or expert)" ;;
-esac
-
-# Resolve backend
-if [ -n "$backend_override" ]; then
-    BACKEND="$backend_override"
-else
-    parent_config=$(ollie-9p read "session/$OLLIE_SESSION_ID/cfg" 2>/dev/null || echo "")
-    BACKEND=$(printf '%s\n' "$parent_config" | grep -m1 '^backend=' | cut -d= -f2-)
-    BACKEND="${BACKEND:-${OLLIE_BACKEND:-openrouter}}"
-fi
-
-# Resolve model
-tier_upper=$(echo "$tier" | tr '[:lower:]' '[:upper:]')
-backend_lower=$(echo "$BACKEND" | tr '[:upper:]' '[:lower:]')
-tier_var="OLLIE_TIER_${tier_upper}_${backend_lower}"
-MODEL="${!tier_var:-}"
-
-if [ -z "$MODEL" ]; then
-    case "$tier" in
-        worker) MODEL="${OLLIE_CASCADE_MODEL:-mistralai/devstral-small}" ;;
-        expert) MODEL="${OLLIE_ESCALATE_MODEL:-anthropic/claude-sonnet-4-20250514}" ;;
-    esac
-fi
-
-case "$tier" in
-    worker) agent="worker" ;;
-    expert) agent="expert" ;;
-esac
-
-id="route-${tier}-$(date +%s%N)-$$"
-[ -n "$OLLIE_SESSION_ID" ] && id="${OLLIE_SESSION_ID}__${id}"
-
-# Create session via 9P
-session_id=$(printf 'name=%s\ncwd=%s\nbackend=%s\nmodel=%s\nagent=%s\n' \
-    "$id" "$(pwd)" "$BACKEND" "$MODEL" "$agent" | ollie-9p write session/new 2>&1)
-
-[ -z "$session_id" ] && die "failed to create session"
-
-prompt="[parent_session_id=${OLLIE_SESSION_ID}]
-[session_id=${id}]
-
-Complete the following task. Read code, reason about implementation, and stay within scope.
-
-When finished, report your result back to the parent session.
-Format:
-
-[from=${id}]
-STATUS: done
-SUMMARY: <what was accomplished>
-
-On failure:
-[from=${id}]
-STATUS: error
-REASON: <why>
-
-After reporting the result, STOP. One report, then stop.
-
-TASK:
-${instruction}"
-
-# Find agent in new session and submit prompt
-new_agent=$(ollie-9p ls "session/$id/agent" 2>/dev/null | grep -v '^new$' | head -1)
-[ -z "$new_agent" ] && die "no agent created in session"
-
-echo "$prompt" | ollie-9p write "session/$id/agent/$new_agent/prompt" 2>&1 || die "failed to submit prompt"
-printf 'session=%s\nbackend=%s\nmodel=%s\ntier=%s\n' "$id" "$BACKEND" "$MODEL" "$tier"