diff --git a/v2/Cargo.lock b/v2/Cargo.lock
index 2425594e1..6afc50866 100644
--- a/v2/Cargo.lock
+++ b/v2/Cargo.lock
@@ -231,6 +231,18 @@ dependencies = [
  "wait-timeout",
 ]
 
+[[package]]
+name = "async-compression"
+version = "0.4.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e79b3f8a79cccc2898f31920fc69f304859b3bd567490f75ebf51ae1c792a9ac"
+dependencies = [
+ "compression-codecs",
+ "compression-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.89"
@@ -318,7 +330,7 @@ dependencies = [
  "sync_wrapper 1.0.2",
  "tokio",
  "tokio-tungstenite",
- "tower",
+ "tower 0.5.3",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -871,6 +883,23 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "compression-codecs"
+version = "0.4.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce2548391e9c1929c21bf6aa2680af86fe4c1b33e6cea9ac1cfeec0bd11218cf"
+dependencies = [
+ "compression-core",
+ "flate2",
+ "memchr",
+]
+
+[[package]]
+name = "compression-core"
+version = "0.4.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc14f565cf027a105f7a44ccf9e5b424348421a1d8952a8fc9d499d313107789"
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -2371,6 +2400,16 @@ version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 
+[[package]]
+name = "hdrhistogram"
+version = "7.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "765c9198f173dd59ce26ff9f95ef0aafd0a0fe01fb9d72841bc5066a4c06511d"
+dependencies = [
+ "byteorder",
+ "num-traits",
+]
+
 [[package]]
 name = "heapless"
 version = "0.6.1"
@@ -3892,13 +3931,35 @@ name = "nvsim"
 version = "0.3.0"
 dependencies = [
  "approx 0.5.1",
+ "criterion",
+ "js-sys",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
  "serde",
+ "serde-wasm-bindgen",
  "serde_json",
  "sha2",
  "thiserror 1.0.69",
  "tracing",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "nvsim-server"
+version = "0.3.0"
+dependencies = [
+ "axum",
+ "clap",
+ "futures-util",
+ "nvsim",
+ "serde",
+ "serde_json",
+ "thiserror 1.0.69",
+ "tokio",
+ "tower 0.4.13",
+ "tower-http 0.5.2",
+ "tracing",
+ "tracing-subscriber",
 ]
 
 [[package]]
@@ -4487,6 +4548,26 @@ dependencies = [
  "siphasher 1.0.2",
 ]
 
+[[package]]
+name = "pin-project"
+version = "1.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1749c7ed4bcaf4c3d0a3efc28538844fb29bcdd7d2b67b2be7e20ba861ff517"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b20ed30f105399776b9c883e68e536ef602a16ae6f596d2c473591d6ad64c6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.17"
@@ -5278,7 +5359,7 @@ dependencies = [
  "sync_wrapper 1.0.2",
  "tokio",
  "tokio-native-tls",
- "tower",
+ "tower 0.5.3",
  "tower-http 0.6.8",
  "tower-service",
  "url",
@@ -5311,7 +5392,7 @@ dependencies = [
  "sync_wrapper 1.0.2",
  "tokio",
  "tokio-util",
- "tower",
+ "tower 0.5.3",
  "tower-http 0.6.8",
  "tower-service",
  "url",
@@ -5693,9 +5774,9 @@ dependencies = [
 
 [[package]]
 name = "ruvector-core"
-version = "2.0.5"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc7bc95e3682430c27228d7bc694ba9640cd322dde1bd5e7c9cf96a16afb4ca1"
+checksum = "83fe578d02c93613b26d40105c9663df5e86414195e91db0ea7470d3b9c64843"
 dependencies = [
  "anyhow",
  "bincode 2.0.1",
@@ -7379,6 +7460,27 @@ dependencies = [
  "zip 0.6.6",
 ]
 
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "hdrhistogram",
+ "indexmap 1.9.3",
+ "pin-project",
+ "pin-project-lite",
+ "rand 0.8.5",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tower"
 version = "0.5.3"
@@ -7401,8 +7503,10 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e9cd434a998747dd2c4276bc96ee2e0c7a2eadf3cae88e52be55a05fa9053f5"
 dependencies = [
+ "async-compression",
  "bitflags 2.11.0",
  "bytes",
+ "futures-core",
  "futures-util",
  "http 1.4.0",
  "http-body 1.0.1",
@@ -7433,7 +7537,7 @@ dependencies = [
  "http-body 1.0.1",
  "iri-string",
  "pin-project-lite",
- "tower",
+ "tower 0.5.3",
  "tower-layer",
  "tower-service",
 ]
diff --git a/v2/Cargo.toml b/v2/Cargo.toml
index 113859cd1..95829158e 100644
--- a/v2/Cargo.toml
+++ b/v2/Cargo.toml
@@ -122,7 +122,7 @@ midstreamer-attractor = "0.1.0"
 
 # ruvector integration (published on crates.io)
 # Vendored at v2.1.0 in vendor/ruvector; using crates.io versions until published.
-ruvector-core = "2.0.4"
+ruvector-core = "2.2.0"
 ruvector-mincut = "2.0.4"
 ruvector-attn-mincut = "2.0.4"
 ruvector-temporal-tensor = "2.0.4"