Merge feature/multi-db-runtime into develop

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: shisoft

Cargo.toml

@@ -29,15 +29,14 @@ log4rs = "*"
 env_logger = "0.11"
 yaml-rust = "*"
 serde_yaml = "*"
-rand = "0.9"
+rand = { version = "0.10" }
 libc = "*"
 num_cpus = "1.16.0"
 num-traits = "0.2.19"
 bincode = { version = "2", features = ["derive", "serde"] }
 lz4_flex = "0.11"
 async-std = "1"
 ahash = "0.8.11"
-rand_distr = "0.5.1"
 once_cell = "1.21.3"
 itertools = "0.14.0"
 moka = "0.12"
@@ -119,3 +118,4 @@ debug = true
 lto = true
 panic = 'unwind'
 strip = "none"
+