chore(deps): bump the docker-base-images group across 4 directories with 2 updates

docker/backend/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.13-slim
+FROM python:3.14-slim
 
 WORKDIR /app
 

docker/base-image/Dockerfile

@@ -2,7 +2,7 @@
 # slim). This eliminates the dependency on ppa:deadsnakes/ppa, which has
 # no SLA and historically blocked deployment of critical agent-runtime
 # fixes for days at a time when the PPA was unreachable. See #658.
-FROM python:3.13-slim-bookworm
+FROM python:3.14-slim-bookworm
 
 # Version tracking - set at build time via --build-arg VERSION=x.y.z
 ARG VERSION=latest

docker/frontend/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:24-alpine
+FROM node:26-alpine
 
 WORKDIR /app
 

docker/frontend/Dockerfile.prod

@@ -2,7 +2,7 @@
 # Multi-stage build: npm build → nginx serving static assets
 
 # Stage 1: Build
-FROM node:24-alpine AS builder
+FROM node:26-alpine AS builder
 
 WORKDIR /app
 

docker/scheduler/Dockerfile

@@ -1,7 +1,7 @@
 # Trinity Scheduler Service Dockerfile
 # Standalone scheduler for agent task execution
 
-FROM python:3.13-slim
+FROM python:3.14-slim
 
 # Set working directory
 WORKDIR /app