chore: remove private airframe path dep and CI clone step

airframe is now a public crate on crates.io - remove path dep and all
AIRFRAME_ACCESS_TOKEN clone steps from CI. Dependency resolves from
crates.io for all builds.

Author: Michael-A-Kuykendall

.github/workflows/release.yml

@@ -21,10 +21,6 @@ jobs:
       - uses: actions/checkout@v5
         with:
           submodules: recursive
-          token: ${{ secrets.AIRFRAME_ACCESS_TOKEN }}
-
-      - name: Checkout Airframe engine (private path dep)
-        run: git clone https://x-access-token:${{ secrets.AIRFRAME_ACCESS_TOKEN }}@github.com/Michael-A-Kuykendall/airframe.git ../airframe --branch v0.0.1 --depth 1
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
@@ -227,10 +223,6 @@ jobs:
       - uses: actions/checkout@v5
         with:
           submodules: recursive
-          token: ${{ secrets.AIRFRAME_ACCESS_TOKEN }}
-
-      - name: Checkout Airframe engine (private path dep)
-        run: git clone https://x-access-token:${{ secrets.AIRFRAME_ACCESS_TOKEN }}@github.com/Michael-A-Kuykendall/airframe.git ../airframe --branch v0.0.1 --depth 1
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
@@ -288,7 +280,6 @@ jobs:
       - uses: actions/checkout@v5
         with:
           submodules: recursive
-          token: ${{ secrets.AIRFRAME_ACCESS_TOKEN }}
 
       - name: Download all artifacts
         uses: actions/download-artifact@v4

Cargo.toml

@@ -68,12 +68,10 @@ uuid = { version = "1", features = ["v4", "serde"] }
 dirs = "5.0"
 reqwest = { version = "0.12", features = ["json", "rustls-tls", "stream"], default-features = false }
 
-# Airframe native GPU inference (optional — path dep points to private sibling repo; never exposed in crates.io publish)
-# Local dev: airframe repo must be at ../airframe (sibling to this workspace)
-# CI: git clone <private airframe> ../airframe  before  cargo build --features airframe
-# shimmy_integration/ submodule (inside airframe): does NOT work for --features airframe builds;
-#   use the standalone shimmy-private/ checkout at repos/shimmy-private/ for GPU builds locally.
-airframe = { path = "../airframe", version = "0.0.1", optional = true }
+# Airframe native GPU inference (optional — public crate on crates.io)
+# GPU release binaries are built by private CI with --features airframe
+# Local dev and CI: cargo build --features airframe resolves from crates.io
+airframe = { version = "0.0.1", optional = true }
 
 [dev-dependencies]
 tokio-tungstenite = "0.20"