chore: pin Node version for reproducible releases (#779)

.github/workflows/ci.yml

@@ -12,10 +12,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup Node 22
+      - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version-file: .node-version
           cache: 'npm'
 
       - name: Install dependencies
@@ -29,10 +29,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup Node 22
+      - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version-file: .node-version
           cache: 'npm'
 
       - name: Install dependencies
@@ -46,10 +46,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup Node 22
+      - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version-file: .node-version
           cache: 'npm'
 
       - name: Install dependencies

.github/workflows/release.yml

@@ -20,10 +20,10 @@ jobs:
         with:
           fetch-depth: 0  # Full history for changelog generation
 
-      - name: Setup Node 20
+      - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version-file: .node-version
           cache: 'npm'
 
       - name: Install dependencies

.node-version

@@ -0,0 +1 @@
+24.16.0

package-lock.json

@@ -9,6 +9,9 @@
       "version": "2.0.23",
       "hasInstallScript": true,
       "license": "MIT",
+      "engines": {
+        "node": ">=24 <25"
+      },
       "dependencies": {
         "@anthropic-ai/claude-agent-sdk": "^0.3.159",
         "@codemirror/state": "^6.5.0",

package.json

@@ -3,6 +3,9 @@
   "version": "2.0.23",
   "description": "Claudian - Claude Code embedded in Obsidian sidebar",
   "main": "main.js",
+  "engines": {
+    "node": ">=24 <25"
+  },
   "scripts": {
     "postinstall": "node scripts/postinstall.mjs",
     "build:css": "node scripts/build-css.mjs",

src/providers/claude/runtime/customSpawn.ts

@@ -73,14 +73,12 @@ function installTreeAwareKill(child: ChildProcess, spawnSpec: WindowsCmdShimSpaw
     return;
   }
 
-  const originalKill = child.kill;
+  const originalKill: (signal?: NodeJS.Signals | number) => boolean = child.kill.bind(child);
   const killableChild = {
     get pid(): number | undefined {
       return child.pid;
     },
-    kill(signal?: NodeJS.Signals | number): boolean {
-      return originalKill.call(child, signal);
-    },
+    kill: (signal?: NodeJS.Signals | number): boolean => originalKill(signal),
   };
 
   child.kill = ((signal?: NodeJS.Signals | number): boolean =>