Add redis: Boot 4.1 + Spring Data Redis 4.1, the JDK-serialisation default vs Jackson 3 serializers, @RedisHash TTL and keyspace events, @RedisListener, and Redis as the Spring cache

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3

redis/scripts/capture-dependencies.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+# Writes docs/output/17-dependencies.txt: which client and which JSON library actually arrive.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+OUT=docs/output/17-dependencies.txt
+TREE=$(mktemp)
+trap 'rm -f "$TREE"' EXIT
+STARTER_POM=$(ls "$HOME"/.m2/repository/org/springframework/boot/spring-boot-starter-data-redis/*/spring-boot-starter-data-redis-*.pom | head -1)
+
+mvn -B -q dependency:tree -DoutputFile="$TREE" \
+    -Dincludes='io.lettuce,redis.clients,tools.jackson.core,com.fasterxml.jackson.core,org.springframework.data,org.springframework:spring-messaging' >/dev/null
+
+{
+  echo "# What the Redis starter brings, and what it does not"
+  echo
+  echo "--- The starter's own dependencies (from its pom) ---"
+  echo "\$ grep -E 'artifactId|scope' spring-boot-starter-data-redis-*.pom"
+  grep -E 'artifactId|scope' "$STARTER_POM" | sed 's/^[ \t]*//'
+  echo
+  echo "--- The client and JSON libraries in this module (mvn dependency:tree, filtered) ---"
+  echo "\$ mvn dependency:tree -Dincludes=io.lettuce,redis.clients,tools.jackson.core,com.fasterxml.jackson.core,org.springframework.data,org.springframework:spring-messaging"
+  cat "$TREE"
+  echo
+  echo "--- The server the tests start ---"
+  echo "\$ redis-server --version"
+  redis-server --version
+} > "$OUT"
+
+cat "$OUT"