Add graph-storage crate (#4198)

* Add graph-storage crate

* Split graph-storage lib.rs into smaller modules

* Make graph_craft/core_types dependency optional

* Fix CRDT correctness issues flagged in graph-storage PR review

* Treat trailing empty export slots as value-equal in Network::value_equal

* Address graph-storage review: parameterize CrdtError, reject hot-log corruption, drop LamportClock Default

* Address graph-storage review: fix root-delta history walk, validate cross-network refs, make compute_deltas deterministic, harden Priority, index nodes by network

* Address graph-storage review: sort sources on deserialize, treat inputs_attributes length as structural, dedupe demo-artwork loader

* Add opt-in Delta rev validation, dedup resource sources on deserialize, fix doc grammar

* Persist scope injections through storage; harden gesture-end and embedded-source checks

* Review

* Review

* Review

* Use new types for NodeId and NetworkId

* Adress minor review comments

---------

Co-authored-by: Timon <me@timon.zip>

document/graph-storage/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "graph-storage"
+description = "Provides a delta based graph representation used in the Graphite file format"
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+authors.workspace = true
+
+[features]
+conversion = ["dep:graph-craft"]
+default = ["conversion"]
+
+[dependencies]
+graph-craft = { workspace = true, optional = true }
+graphene-resource = { workspace = true }
+core-types = { workspace = true }
+
+thiserror = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }
+blake3 = { workspace = true }
+rustc-hash = { workspace = true }
+rmp-serde = { workspace = true }
+
+[dev-dependencies]
+graph-craft = { workspace = true, features = ["loading"] }