feat: SPI auto-enablement + SD card flasher TUI with profile management

config_templates/redis.conf.j2

@@ -0,0 +1,56 @@
+# Redis configuration for BirdNET-Pi
+# Memory-only mode - no persistence to protect SD card
+# Generated for: {{ device_type }} ({{ total_ram_mb }}MB RAM)
+
+# Network settings
+bind 127.0.0.1 ::1
+protected-mode yes
+port 6379
+tcp-backlog 511
+tcp-keepalive 300
+timeout 0
+
+# Memory management
+# {{ memory_comment }}
+maxmemory {{ maxmemory }}
+maxmemory-policy allkeys-lru
+
+# Persistence - DISABLED for memory-only mode
+save ""
+stop-writes-on-bgsave-error no
+rdbcompression no
+rdbchecksum no
+appendonly no
+
+# Logging
+loglevel notice
+logfile ""
+syslog-enabled no
+databases 1
+
+# Performance tuning for small devices
+slowlog-log-slower-than 10000
+slowlog-max-len 128
+latency-monitor-threshold 0
+notify-keyspace-events ""
+hash-max-ziplist-entries 512
+hash-max-ziplist-value 64
+list-max-ziplist-size -2
+list-compress-depth 0
+set-max-intset-entries 512
+zset-max-ziplist-entries 128
+zset-max-ziplist-value 64
+hll-sparse-max-bytes 3000
+stream-node-max-bytes 4096
+stream-node-max-entries 100
+activerehashing yes
+client-output-buffer-limit normal 0 0 0
+client-output-buffer-limit replica 256mb 64mb 60
+client-output-buffer-limit pubsub 32mb 8mb 60
+hz 10
+dynamic-hz yes
+
+# Disable dangerous commands in production
+rename-command FLUSHDB ""
+rename-command FLUSHALL ""
+rename-command CONFIG "CONFIG_birdnetpi_2024"