diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d85714111..5f54eb843 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -336,14 +336,15 @@ jobs:
     needs: changes
     if: needs.changes.outputs.nix == 'true'
     runs-on: ubuntu-22.04
+    continue-on-error: true
     steps:
       - uses: actions/checkout@v5
 
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@ef8a148080ab6020fd15196c2084a2eea5ff2d25 # v22
 
-      - name: Validate pnpm dependency hash
-        run: nix build .#dbx-pnpm-deps --no-link --print-build-logs
+      - name: Validate Nix dependency closures
+        run: nix build .#dbx-pnpm-deps .#dbx-cargo-deps --no-link --print-build-logs
 
   changes:
     runs-on: ubuntu-22.04
@@ -404,11 +405,15 @@ jobs:
               - '.github/scripts/bump-agent-versions.test.mjs'
               - '.github/workflows/agents-release.yml'
             nix:
-              # This fast check validates only the fixed-output pnpm dependency closure.
+              # These advisory checks validate the pnpm and Cargo dependency closures.
               - 'package.json'
               - 'packages/**/package.json'
               - 'pnpm-lock.yaml'
               - 'pnpm-workspace.yaml'
+              - 'Cargo.toml'
+              - 'Cargo.lock'
+              - 'crates/**/Cargo.toml'
+              - 'src-tauri/Cargo.toml'
               - 'flake.nix'
               - 'flake.lock'
               - '.github/workflows/ci.yml'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 28cc368fe..4b9a82d0b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -41,6 +41,7 @@ jobs:
 
   nix-packaging:
     runs-on: ubuntu-22.04
+    continue-on-error: true
     steps:
       - uses: actions/checkout@v5
 
@@ -636,8 +637,9 @@ jobs:
             --clobber
 
   publish:
-    # Keep the release as a draft until every platform and the Nix package pass.
-    needs: [cleanup-release-signatures, docker-manifest, jdbc-plugin, nix-packaging, static-browser]
+    # Keep the release as a draft until every release-blocking platform job passes.
+    # Nix packaging is advisory and runs independently from publication.
+    needs: [cleanup-release-signatures, docker-manifest, jdbc-plugin, static-browser]
     runs-on: ubuntu-latest
     steps:
       - name: Publish draft release
diff --git a/flake.lock b/flake.lock
index cf4bd6c79..7441f024c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,20 @@
 {
   "nodes": {
+    "crane": {
+      "locked": {
+        "lastModified": 1785284101,
+        "narHash": "sha256-ghcXEpYEM4a7pbEkoqbn8c0ptJJqgGzuFiG3T6W5g4I=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "756d6d07c3818ea95d1e2cdac63fa7d02fe3e61b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -36,6 +51,7 @@
     },
     "root": {
       "inputs": {
+        "crane": "crane",
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
         "rust-overlay": "rust-overlay"
diff --git a/flake.nix b/flake.nix
index 0cb3458f2..9dc62e74a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,7 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    crane.url = "github:ipetkov/crane";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -15,6 +16,7 @@
       self,
       nixpkgs,
       flake-utils,
+      crane,
       rust-overlay,
     }:
     flake-utils.lib.eachDefaultSystem (
@@ -33,6 +35,14 @@
             "rustfmt"
           ];
         };
+        baseCraneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;
+        craneLib = baseCraneLib.appendCrateRegistries [
+          (baseCraneLib.registryFromDownloadUrl {
+            indexUrl = "https://github.com/rust-lang/crates.io-index";
+            dl = "https://static.crates.io/crates";
+            fetchurlExtraArgs.curlOpts = "--retry 20 --retry-all-errors --retry-delay 1";
+          })
+        ];
 
         # ------------------------------------------------------------------ #
         # Linux-only system libraries required by Tauri / WebKit2GTK          #
@@ -154,13 +164,17 @@
         # without compiling the frontend and Rust desktop application.
         packages.dbx-pnpm-deps = self.packages.${system}.dbx-desktop.pnpmDeps;
 
+        # Fast dependency target used by CI to validate Cargo vendoring without
+        # compiling the frontend and Rust desktop application.
+        packages.dbx-cargo-deps = self.packages.${system}.dbx-desktop.cargoVendorDir;
+
         # ------------------------------------------------------------------ #
         # packages.dbx-desktop — Tauri desktop application                    #
         # Build with: nix build .#dbx-desktop                                 #
         #                                                                      #
         # Two-phase build strategy:                                            #
         #   1. pnpm.fetchDeps  → vendor all npm/pnpm deps offline             #
-        #   2. importCargoLock → vendor all Cargo deps offline                 #
+        #   2. Crane vendoring → vendor all Cargo deps offline                #
         #   3. pnpm build      → compile Vue/TypeScript frontend               #
         #   4. cargo build -p dbx → compile Tauri Rust backend                 #
         #                                                                      #
@@ -187,12 +201,18 @@
           };
 
           # ── Step 2: vendor Cargo dependencies ───────────────────────────── #
-          cargoDeps = pkgs.rustPlatform.importCargoLock {
-            lockFile = ./Cargo.lock;
+          cargoVendorDir = craneLib.vendorCargoDeps {
+            cargoLock = ./Cargo.lock;
+            # Pin Git checkouts by their complete Cargo source identity. Unlike
+            # package-name/version keys, these remain stable when a package
+            # version inside the same checkout changes.
             outputHashes = {
-                "tokio-postgres-0.7.18" = "sha256-HRbYVSD7iIwG3m1tOGoIZy0xAZwALWIpTtakVSYPIYI=";
-                "mysql-common-derive-0.32.2" = "sha256-8lWgsdTuLTgOmzP7tXmA9LnomOE0wjxXsCBw9NEMt2o=";
-                "mysql_async-0.37.0" = "sha256-tMFvmypIBh1GHg3cLFWmLf6N1wrwKPlzx2G/MHwtlFM=";
+              "git+https://github.com/t8y2/rust_mysql_common.git?rev=77085e91e5081309d585153e3b656ce33bc1fe74#77085e91e5081309d585153e3b656ce33bc1fe74" =
+                "sha256-8lWgsdTuLTgOmzP7tXmA9LnomOE0wjxXsCBw9NEMt2o=";
+              "git+https://github.com/t8y2/mysql_async.git?rev=2be6e392eb9b06d20dcd2d8ed8eae748d413c9ec#2be6e392eb9b06d20dcd2d8ed8eae748d413c9ec" =
+                "sha256-tMFvmypIBh1GHg3cLFWmLf6N1wrwKPlzx2G/MHwtlFM=";
+              "git+https://github.com/t8y2/tokio-postgres-gaussdb.git?rev=115f9fef10f0fc3669b5337955e4eb461fc349a6#115f9fef10f0fc3669b5337955e4eb461fc349a6" =
+                "sha256-HRbYVSD7iIwG3m1tOGoIZy0xAZwALWIpTtakVSYPIYI=";
             };
           };
 
@@ -207,7 +227,8 @@
               pkgs.jq                         # used by preConfigure to strip packageManager
               pkgs.cargo-tauri               # tauri CLI — needed to properly embed frontend assets
               # Hooks that wire up the vendored deps automatically:
-              pkgs.rustPlatform.cargoSetupHook # sets CARGO_HOME to cargoDeps
+              craneLib.configureCargoCommonVarsHook
+              craneLib.configureCargoVendoredDepsHook
               pkgs.pnpmConfigHook             # sets up pnpm offline store
               pkgs.desktop-file-utils         # for `desktop-file-validate`
               pkgs.copyDesktopItems           # installs desktopItem into share/applications