feat: add 4 new crates (queue, tracing, http, cli) + enhancements to existing crates

New crates:
- mytheclipse-queue: unified job queue with WorkerPool, retry/backoff, DLQ
  Backends: in-memory (default), Redis, NATS, PostgreSQL
- mytheclipse-tracing: tracing subscriber layers with env filter + OTLP/Jaeger export
- mytheclipse-http: HTTP client/server with timeout + tracing, axum server
- mytheclipse-cli: CLI framework with clap derive, built-in subcommands

Enhancements to existing crates:
- mytheclipse-core: SemaphorePool, LeaderElection, HealthRegistry/HealthCheck
- mytheclipse-cache: AutoRefreshCache (bg refresh on miss), CacheMetrics
- mytheclipse-config: ConfigSchema for JSON Schema generation
- mytheclipse-storage: MultipartUploadDriver trait
- mytheclipse-crypto: PASETO v4.local token support

All features compile with --all-features; tests + clippy pass clean.

crates/mytheclipse-cache/Cargo.toml

@@ -21,7 +21,7 @@ l1-moka = ["l1-memory", "dep:moka"]
 # L2 (distributed) backends.
 l2-redis = ["l1-memory", "dep:redis"]
 # Cache-aside + auto-refresh helper.
-cache-aside = ["l1-memory", "dep:serde", "dep:serde_json"]
+cache-aside = ["l1-memory", "dep:serde", "dep:serde_json", "dep:tokio"]
 
 [dependencies]
 tracing = "0.1"
@@ -35,6 +35,7 @@ moka = { version = "0.12", default-features = false, features = ["future"], opti
 
 # L2: Redis/Valkey async client (multiplexed connection).
 redis = { version = "0.27", default-features = false, features = ["tokio-comp"], optional = true }
+tokio = { version = "1.53", features = ["sync", "rt"], optional = true }
 
 [dev-dependencies]
 tokio = { version = "1.53", features = ["full"] }