chore(nix): update flake inputs

nixpkgs nixos-unstable 2026-04-01 -> 2026-07-19 (electron 41.0.2 -> 41.9.1),
uv2nix/pyproject-nix/pyproject-build-systems -> 2026-07-20,
flake-parts -> 2026-07-01. npm-lockfile-fix unchanged (no newer commit).

contributors/emails/development@schmitthenner.eu

@@ -0,0 +1,2 @@
+fkz
+# PR #61824 salvage via #69458

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1772408722,
-        "narHash": "sha256-rHuJtdcOjK7rAHpHphUb1iCvgkU3GpfvicLMwwnfMT0=",
+        "lastModified": 1782949081,
+        "narHash": "sha256-vp6Y/Grm98ESt6ceOkWiHWyZRDV3J1RID4w+6NWK9yA=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "f20dc5d9b8027381c474144ecabc9034d6a839a3",
+        "rev": "17c9d6cdfc60c64f4ee8d306f9bc0b4ccb51481e",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1775036866,
-        "narHash": "sha256-ZojAnPuCdy657PbTq5V0Y+AHKhZAIwSIT2cb8UgAz/U=",
+        "lastModified": 1784497964,
+        "narHash": "sha256-vlHUuqAcbcH2RKmHbPiuQzbv1pnzzavXnI62RD0bqCU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6201e203d09599479a3b3450ed24fa81537ebc4e",
+        "rev": "241313f4e8e508cb9b13278c2b0fa25b9ca27163",
         "type": "github"
       },
       "original": {
@@ -69,11 +69,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1772555609,
-        "narHash": "sha256-3BA3HnUvJSbHJAlJj6XSy0Jmu7RyP2gyB/0fL7XuEDo=",
+        "lastModified": 1784580899,
+        "narHash": "sha256-65qjoshs2FUkt+3NzaVutCWjydUpiHElXLo+0SGuvPk=",
         "owner": "pyproject-nix",
         "repo": "build-system-pkgs",
-        "rev": "c37f66a953535c394244888598947679af231863",
+        "rev": "5c4cc964cfb1e3cab9134dabe2d86bc4858f3867",
         "type": "github"
       },
       "original": {
@@ -82,18 +82,18 @@
         "type": "github"
       }
     },
-    "pyproject-nix_2": {
+    "pyproject-nix": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1772865871,
-        "narHash": "sha256-/ZTSg97aouL0SlPHaokA4r3iuH9QzHVuWPACD2CUCFY=",
+        "lastModified": 1784591072,
+        "narHash": "sha256-zP/WaDxrRu8GANZM61+V2LT/7ycEEdoyLWn7M6WzU7M=",
         "owner": "pyproject-nix",
         "repo": "pyproject.nix",
-        "rev": "e537db02e72d553cea470976b9733581bcf5b3ed",
+        "rev": "e3b599ca2e7fcf93d4edf65d7f19bbf6491724f3",
         "type": "github"
       },
       "original": {
@@ -108,11 +108,11 @@
         "nixpkgs": "nixpkgs",
         "npm-lockfile-fix": "npm-lockfile-fix",
         "pyproject-build-systems": "pyproject-build-systems",
-        "pyproject-nix": "pyproject-nix_2",
-        "uv2nix": "uv2nix_2"
+        "pyproject-nix": "pyproject-nix",
+        "uv2nix": "uv2nix"
       }
     },
-    "uv2nix_2": {
+    "uv2nix": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
@@ -122,11 +122,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773039484,
-        "narHash": "sha256-+boo33KYkJDw9KItpeEXXv8+65f7hHv/earxpcyzQ0I=",
+        "lastModified": 1784582828,
+        "narHash": "sha256-uPeuFNSYO429IEiud3iJKWIpN/xrH2CANj1uYNiDxqc=",
         "owner": "pyproject-nix",
         "repo": "uv2nix",
-        "rev": "b68be7cfeacbed9a3fa38a2b5adc0cfb81d9bb1f",
+        "rev": "49dac8d206c42175b069b7c6050ba27060a21106",
         "type": "github"
       },
       "original": {

nix/desktop.nix

@@ -29,11 +29,6 @@ let
   packageJson = builtins.fromJSON (builtins.readFile (npm.src + "/apps/desktop/package.json"));
   version = packageJson.version;
 
-  electronHeaders = pkgs.fetchurl {
-    url = "https://artifacts.electronjs.org/headers/dist/v${electron.version}/node-v${electron.version}-headers.tar.gz";
-    sha256 = "sha256-zi/QMwRZ0+FwE9XTE+DiSIeJXAwxmLKEaBWD5W3pMOI=";
-  };
-
   # node-pty ships no Electron-tagged prebuild we can trust to match this
   # exact nixpkgs electron version, so it's always compiled from source
   # against Electron's own headers (not whatever Node ran `npm`).
@@ -80,18 +75,11 @@ let
           # build the electron bundle
           node scripts/bundle-electron-main.mjs
 
-          # Compile node-pty against Electron's actual ABI (the nixpkgs
-          # `electron` we ship). Headers come from a pinned fetchurl input
-          # since the sandbox has no network here, so node-gyp's
-          # normal --disturl download path can't run.
-          mkdir -p "$TMPDIR/electron-headers"
-          tar -xzf ${electronHeaders} -C "$TMPDIR/electron-headers" --strip-components=1
-
           npm rebuild node-pty \
             --build-from-source \
             --runtime=electron \
             --target=${electron.version} \
-            --nodedir="$TMPDIR/electron-headers" \
+            --nodedir="${electron.headers}" \
             --disturl="" \
             --offline