Refactor ChronoSeal daemon for dynamic configurations, connection pooling, custom error handling, and complete tests (v0.5.0)

server/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "chronoseal-server"
-version = "0.2.0"
+version = "0.5.0"
 edition = "2021"
 
 [[bin]]
@@ -18,6 +18,9 @@ serde_json = "1"
 serde_yaml = "0.9"
 toml = "0.8"
 rusqlite = { version = "0.31", features = ["bundled"] }
+r2d2 = "0.8"
+r2d2_sqlite = "0.24"
+thiserror = "2"
 tracing = "0.1"
 tracing-appender = "0.2"
 tracing-subscriber = { version = "0.3", features = ["env-filter", "json"] }