feat(aqua): add compiled custom registry cache

crates/aqua-registry/Cargo.toml

@@ -20,26 +20,22 @@ default = []
 
 [dependencies]
 # Core dependencies
+blake3 = "1"
 serde = { version = "1", features = ["derive"] }
 serde_yaml = "0.9"
 thiserror = "2"
 eyre = "0.6"
 indexmap = { version = "2", features = ["serde"] }
 itertools = "0.14"
 rkyv = { version = "0.8", features = ["unaligned"] }
+siphasher = "1"
 strum = { version = "0.28", features = ["derive"] }
+tempfile = "3"
 
 # Template parsing and evaluation
 expr-lang = "1"
 heck = "0.5"
 versions = { version = "7", features = ["serde"] }
 
-# Async runtime
-tokio = { version = "1", features = ["sync"] }
-
 # Logging
 log = "0.4"
-
-
-[dev-dependencies]
-tokio = { version = "1", features = ["rt", "macros"] }

crates/aqua-registry/README.md

@@ -1,14 +1,16 @@
 # aqua-registry
 
-Aqua registry backend for [mise](https://mise.en.dev).
+Aqua registry primitives for [mise](https://mise.en.dev).
 
-This crate provides support for the [Aqua](https://aquaproj.github.io/) registry format, allowing mise to install tools from the Aqua ecosystem.
+This crate provides support for the [Aqua](https://aquaproj.github.io/) registry format.
+It owns parsing, package lookup, package serialization codecs, and the on-disk source/compiled cache layout. mise owns remote fetching policy, baked registry fallback, settings, and integration behavior.
 
 ## Features
 
 - Parse and validate Aqua registry YAML files
 - Resolve package versions and platform-specific assets
 - Template string evaluation for dynamic asset URLs
+- Source and compiled registry cache mechanics
 - Support for checksums, signatures, and provenance verification
 - Platform-aware asset resolution for cross-platform tool installation