move the PD bootstrap registry under api_server::disaggregation (#33895)

rust/sglang-server/Cargo.toml

@@ -32,7 +32,10 @@ tracing-subscriber = { workspace = true }
 tracing-appender = { workspace = true }
 uuid = { workspace = true }
 
+arc-swap = "1"
 axum = { version = "0.8.9", features = ["json", "tokio"] }
+# Safe POD slice casts (feature buffers viewed as bytes for the shm copy).
+bytemuck = "1"
 core_affinity = "0.8"
 # the dynamo-tokenizers is deps on hf-hub, should bump version together.
 dynamo-tokenizers = "1.7.0"
@@ -43,21 +46,19 @@ dynamo-parsers = "7.0.1"
 dynamo-protocols = "5.1.0"
 dynamo-renderer = "5.0.0"
 flume = "0.12.0"
-# Safe POD slice casts (feature buffers viewed as bytes for the shm copy).
-bytemuck = "1"
-itertools = "0.14"
 hf-hub = { version = "0.4", default-features = false }
+itertools = "0.14"
 # POSIX shm for the MM feature fan-out (`mm::ShmSegment`).
 libc = "0.2"
 # Same major as the workspace pyo3: the zero-copy MM drain (`take_mm`) moves
 # Rust vectors into numpy arrays.
 numpy = "0.29.0"
-rmp-serde = "1"
-rmpv = { version = "1", features = ["with-serde"] }
 # Pinned EXACTLY: this crate's accepted grammar defines the
 # "anything Rust admits, Python can compile" invariant in `message::sampling`.
 # A minor bump can widen it and silently reopen a scheduler-killing hole.
 regex-syntax = "=0.8.11"
+rmp-serde = "1"
+rmpv = { version = "1", features = ["with-serde"] }
 # The pure-Rust core of the MM pipeline. `default-features = false` drops the
 # pyo3 bindings so it links as a plain rlib; renamed so `use sglang_mm::…` reads
 # naturally while the crate keeps its own artifact name in the shared target/.