diff --git a/.scripts/copy-openapi.mjs b/.scripts/copy-openapi.mjs
new file mode 100644
index 000000000000..569563bf018f
--- /dev/null
+++ b/.scripts/copy-openapi.mjs
@@ -0,0 +1,50 @@
+import fs from 'node:fs/promises';
+import path from 'node:path';
+
+const [fromArg, toArg] = process.argv.slice(2);
+
+if (!fromArg || !toArg) {
+  console.error('Usage: node .scripts/copy-openapi.mjs <fromDir> <toDir>');
+  process.exit(1);
+}
+
+const fromDir = path.resolve(process.cwd(), fromArg);
+const toDir = path.resolve(process.cwd(), toArg);
+
+const ensureDir = async (dirPath) => {
+  await fs.mkdir(dirPath, { recursive: true });
+};
+
+const copyOpenapi = async (currentFrom) => {
+  let entries;
+  try {
+    entries = await fs.readdir(currentFrom, { withFileTypes: true });
+  } catch {
+    // Source dir might not exist yet; keep behavior lenient like rsync.
+    return;
+  }
+
+  await Promise.all(
+    entries.map(async (entry) => {
+      const entryFrom = path.join(currentFrom, entry.name);
+      const relative = path.relative(fromDir, entryFrom);
+      const entryTo = path.join(toDir, relative);
+
+      if (entry.isDirectory()) {
+        await copyOpenapi(entryFrom);
+        return;
+      }
+
+      if (!entry.isFile() || !entry.name.endsWith('.openapi.json')) {
+        return;
+      }
+
+      await ensureDir(path.dirname(entryTo));
+      await fs.copyFile(entryFrom, entryTo);
+    })
+  );
+};
+
+await ensureDir(toDir);
+await copyOpenapi(fromDir);
+
diff --git a/.scripts/rm.mjs b/.scripts/rm.mjs
new file mode 100644
index 000000000000..a20ac67e99fb
--- /dev/null
+++ b/.scripts/rm.mjs
@@ -0,0 +1,17 @@
+import fs from 'node:fs/promises';
+import path from 'node:path';
+
+const targets = process.argv.slice(2);
+
+if (targets.length === 0) {
+  console.error('Usage: node .scripts/rm.mjs <path> [path...]');
+  process.exit(1);
+}
+
+await Promise.all(
+  targets.map(async (target) => {
+    const resolved = path.resolve(process.cwd(), target);
+    await fs.rm(resolved, { recursive: true, force: true });
+  })
+);
+
diff --git a/.scripts/start-dev.mjs b/.scripts/start-dev.mjs
new file mode 100644
index 000000000000..67aced9e4bde
--- /dev/null
+++ b/.scripts/start-dev.mjs
@@ -0,0 +1,26 @@
+import { spawn } from 'node:child_process';
+
+const pnpmArgs = [
+  '-r',
+  '--parallel',
+  '--filter',
+  '!@logto/integration-tests',
+  '--filter',
+  '!./packages/connectors/connector-*',
+  'dev',
+];
+
+const isWindows = process.platform === 'win32';
+
+// On Windows, pnpm is typically a .cmd shim which can't be spawned directly via CreateProcess;
+// run it through cmd.exe instead.
+const command = isWindows ? (process.env.ComSpec ?? 'cmd.exe') : 'pnpm';
+const args = isWindows ? ['/d', '/s', '/c', 'pnpm', ...pnpmArgs] : pnpmArgs;
+
+const child = spawn(command, args, { stdio: 'inherit' });
+child.on('exit', (code, signal) => {
+  if (typeof code === 'number') {
+    process.exit(code);
+  }
+  process.exit(signal ? 1 : 0);
+});
diff --git a/package.json b/package.json
index 050733d3ef2d..816688061582 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "prepack": "pnpm -r prepack",
     "dev": "pnpm -r prepack && pnpm start:dev",
     "dev:cloud": "IS_CLOUD=1 CONSOLE_PUBLIC_URL=/ pnpm dev",
-    "start:dev": "pnpm -r --parallel --filter=!@logto/integration-tests --filter \"!./packages/connectors/connector-*\" dev",
+    "start:dev": "node .scripts/start-dev.mjs",
     "start": "cd packages/core && NODE_ENV=production node .",
     "cli": "logto",
     "translate": "logto-translate",
@@ -67,5 +67,6 @@
   "dependencies": {
     "@logto/cli": "workspace:^",
     "@logto/translate": "workspace:^"
-  }
+  },
+  "packageManager": "pnpm@10.11.0+sha512.6540583f41cc5f628eb3d9773ecee802f4f9ef9923cc45b69890fb47991d4b092964694ec3a4f738a420c918a333062c8b925d312f42e4f0c263eb603551f977"
 }
diff --git a/packages/app-insights/package.json b/packages/app-insights/package.json
index 73a0a1cec39c..d160b346f5d6 100644
--- a/packages/app-insights/package.json
+++ b/packages/app-insights/package.json
@@ -19,7 +19,7 @@
   },
   "scripts": {
     "precommit": "lint-staged",
-    "build": "rm -rf lib/ && tsc -p tsconfig.build.json",
+    "build": "node ../../.scripts/rm.mjs lib && tsc -p tsconfig.build.json",
     "build:test": "pnpm build",
     "dev": "tsc -p tsconfig.build.json --watch --preserveWatchOutput --incremental",
     "lint": "eslint --ext .ts src",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index e68c6a7499f0..e09d45857224 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -24,7 +24,7 @@
   "scripts": {
     "precommit": "lint-staged",
     "prepare:package-json": "node -p \"'export const packageJson = ' + JSON.stringify(require('./package.json'), undefined, 2) + ';'\" > src/package-json.ts",
-    "build": "rm -rf lib && pnpm prepare:package-json && tsc -p tsconfig.build.json",
+    "build": "node ../../.scripts/rm.mjs lib && pnpm prepare:package-json && tsc -p tsconfig.build.json",
     "build:test": "pnpm build",
     "dev": "tsc -p tsconfig.build.json --watch --preserveWatchOutput --incremental",
     "start": "node .",
diff --git a/packages/console/package.json b/packages/console/package.json
index 443e22a2b2e9..a9f60a92cf2c 100644
--- a/packages/console/package.json
+++ b/packages/console/package.json
@@ -12,7 +12,7 @@
   ],
   "scripts": {
     "prepack": "pnpm generate",
-    "generate": "./generate.sh",
+    "generate": "node scripts/generate.mjs",
     "precommit": "lint-staged",
     "start": "vite",
     "dev": "vite",
diff --git a/packages/console/scripts/generate.mjs b/packages/console/scripts/generate.mjs
new file mode 100644
index 000000000000..28fe1a755413
--- /dev/null
+++ b/packages/console/scripts/generate.mjs
@@ -0,0 +1,17 @@
+import { spawnSync } from 'node:child_process';
+import fs from 'node:fs/promises';
+import path from 'node:path';
+
+const run = (command, args) => {
+  const result = spawnSync(command, args, { stdio: 'inherit', shell: true });
+  if (result.status !== 0) {
+    process.exit(result.status ?? 1);
+  }
+};
+
+await fs.rm(path.resolve('scripts-js'), { recursive: true, force: true });
+run('pnpm', ['exec', 'tsc', '-p', 'tsconfig.scripts.gen.json']);
+await fs.rm(path.resolve('src/consts/jwt-customizer-type-definition.ts'), { force: true });
+run('node', ['scripts-js/generate-jwt-customizer-type-definition.js']);
+await fs.rm(path.resolve('scripts-js'), { recursive: true, force: true });
+
diff --git a/packages/core/package.json b/packages/core/package.json
index 6a4eede8d509..e1530c29bc21 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -12,10 +12,10 @@
   },
   "scripts": {
     "precommit": "lint-staged",
-    "copy:apidocs": "rsync -a -m --include '*/' --include '*.openapi.json' --exclude '*' src/routes/ build/routes/",
+    "copy:apidocs": "node ../../.scripts/copy-openapi.mjs src/routes build/routes",
     "check": "tsc --noEmit",
     "build": "tsup",
-    "build:test": "rm -rf build/ && tsc -p tsconfig.test.json --sourcemap && pnpm run copy:apidocs",
+    "build:test": "node ../../.scripts/rm.mjs build && tsc -p tsconfig.test.json --sourcemap && pnpm run copy:apidocs",
     "lint": "eslint --ext .ts --ext .json src",
     "lint:report": "pnpm lint --format json --output-file report.json",
     "dev": "tsup --config tsup.dev.config.ts",
diff --git a/packages/core/src/middleware/koa-spa-proxy.ts b/packages/core/src/middleware/koa-spa-proxy.ts
index df7f3b31d7e8..cea48e7a92ae 100644
--- a/packages/core/src/middleware/koa-spa-proxy.ts
+++ b/packages/core/src/middleware/koa-spa-proxy.ts
@@ -44,7 +44,11 @@ export default function koaSpaProxy<StateT, ContextT extends IRouterParamContext
           getConsoleLogFromContext(ctx).plain(`\tproxy --> ${target}`);
         },
         rewrite: (requestPath) => {
-          return '/' + path.join(prefix, requestPath);
+          // `rewrite` is for URLs, so we must use POSIX separators and avoid Windows absolute-path
+          // semantics (e.g. `path.join('console', '/@fs/...')` would drop the prefix on win32).
+          const normalized = requestPath.replace(/^\/+/, '');
+          const joined = prefix ? path.posix.join(prefix, normalized) : normalized;
+          return '/' + joined;
         },
       });
 
diff --git a/packages/phrases-experience/package.json b/packages/phrases-experience/package.json
index 6efe7d8f6cf5..1c5febfba856 100644
--- a/packages/phrases-experience/package.json
+++ b/packages/phrases-experience/package.json
@@ -22,7 +22,7 @@
   },
   "scripts": {
     "precommit": "lint-staged",
-    "build": "rm -rf lib/ && tsc",
+    "build": "node ../../.scripts/rm.mjs lib && tsc",
     "build:test": "pnpm build",
     "dev": "tsc --watch --preserveWatchOutput --incremental",
     "lint": "eslint --ext .ts src",
diff --git a/packages/phrases/package.json b/packages/phrases/package.json
index b4348cfe9b09..85ed81ad9e5f 100644
--- a/packages/phrases/package.json
+++ b/packages/phrases/package.json
@@ -19,7 +19,7 @@
   },
   "scripts": {
     "precommit": "lint-staged",
-    "build": "rm -rf lib/ && tsc",
+    "build": "node ../../.scripts/rm.mjs lib && tsc",
     "build:test": "pnpm build",
     "dev": "tsc --watch --preserveWatchOutput --incremental",
     "lint": "eslint --ext .ts src",
diff --git a/packages/schemas/package.json b/packages/schemas/package.json
index c5676174b5f2..81c86ec8b3e4 100644
--- a/packages/schemas/package.json
+++ b/packages/schemas/package.json
@@ -23,9 +23,9 @@
   "scripts": {
     "precommit": "lint-staged",
     "version": "./update-next.sh && git add alterations/",
-    "generate": "./generate.sh",
-    "build:alterations": "rm -rf alterations-js && tsc -p tsconfig.build.alterations.json",
-    "build": "pnpm generate && rm -rf lib/ && tsc -p tsconfig.build.json && pnpm build:alterations",
+    "generate": "node scripts/generate.mjs",
+    "build:alterations": "node ../../.scripts/rm.mjs alterations-js && tsc -p tsconfig.build.alterations.json",
+    "build": "pnpm generate && node ../../.scripts/rm.mjs lib && tsc -p tsconfig.build.json && pnpm build:alterations",
     "build:test": "pnpm build",
     "dev": "tsc -p tsconfig.build.json --watch --preserveWatchOutput --incremental",
     "lint": "eslint --ext .ts src",
diff --git a/packages/schemas/scripts/generate.mjs b/packages/schemas/scripts/generate.mjs
new file mode 100644
index 000000000000..c1daf6f63d44
--- /dev/null
+++ b/packages/schemas/scripts/generate.mjs
@@ -0,0 +1,16 @@
+import { spawnSync } from 'node:child_process';
+import fs from 'node:fs/promises';
+import path from 'node:path';
+
+const run = (command, args) => {
+  const result = spawnSync(command, args, { stdio: 'inherit', shell: true });
+  if (result.status !== 0) {
+    process.exit(result.status ?? 1);
+  }
+};
+
+await fs.rm(path.resolve('lib'), { recursive: true, force: true });
+run('pnpm', ['exec', 'tsc', '-p', 'tsconfig.build.gen.json']);
+await fs.rm(path.resolve('src/db-entries'), { recursive: true, force: true });
+run('node', ['lib/index.js']);
+
diff --git a/packages/shared/package.json b/packages/shared/package.json
index ef13063b51f3..47a922dc07b1 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -27,7 +27,7 @@
   },
   "scripts": {
     "precommit": "lint-staged",
-    "build": "rm -rf lib/ && tsc -p tsconfig.build.json",
+    "build": "node ../../.scripts/rm.mjs lib && tsc -p tsconfig.build.json",
     "build:test": "pnpm build",
     "dev": "tsc -p tsconfig.build.json --watch --preserveWatchOutput --incremental",
     "lint": "eslint --ext .ts src",
diff --git a/packages/toolkit/connector-kit/package.json b/packages/toolkit/connector-kit/package.json
index 268c5a3cecaf..42858570cdd5 100644
--- a/packages/toolkit/connector-kit/package.json
+++ b/packages/toolkit/connector-kit/package.json
@@ -25,7 +25,7 @@
   "scripts": {
     "precommit": "lint-staged",
     "dev": "tsc --watch --preserveWatchOutput --incremental",
-    "build": "rm -rf lib/ && tsc",
+    "build": "node ../../../.scripts/rm.mjs lib && tsc",
     "build:test": "pnpm build",
     "lint": "eslint --ext .ts src",
     "lint:report": "pnpm lint --format json --output-file report.json",
diff --git a/packages/toolkit/core-kit/package.json b/packages/toolkit/core-kit/package.json
index b45817ffd242..b44d2f4a99f7 100644
--- a/packages/toolkit/core-kit/package.json
+++ b/packages/toolkit/core-kit/package.json
@@ -32,7 +32,7 @@
   "scripts": {
     "precommit": "lint-staged",
     "dev": "tsc -p tsconfig.build.json --watch --preserveWatchOutput --incremental",
-    "build": "rm -rf lib/ && tsc -p tsconfig.build.json",
+    "build": "node ../../../.scripts/rm.mjs lib && tsc -p tsconfig.build.json",
     "build:test": "pnpm build",
     "lint": "eslint --ext .ts src",
     "lint:report": "pnpm lint --format json --output-file report.json",
diff --git a/packages/toolkit/language-kit/package.json b/packages/toolkit/language-kit/package.json
index 36baad1480de..75a71c253c3c 100644
--- a/packages/toolkit/language-kit/package.json
+++ b/packages/toolkit/language-kit/package.json
@@ -21,7 +21,7 @@
   ],
   "scripts": {
     "precommit": "lint-staged",
-    "build": "rm -rf lib/ && tsc -p tsconfig.build.json",
+    "build": "node ../../../.scripts/rm.mjs lib && tsc -p tsconfig.build.json",
     "build:test": "pnpm build",
     "lint": "eslint --ext .ts src",
     "lint:report": "pnpm lint --format json --output-file report.json",
diff --git a/packages/translate/package.json b/packages/translate/package.json
index 0b7996e42e02..7715699f4dba 100644
--- a/packages/translate/package.json
+++ b/packages/translate/package.json
@@ -24,7 +24,7 @@
   "scripts": {
     "precommit": "lint-staged",
     "prepare:package-json": "node -p \"'export const packageJson = ' + JSON.stringify(require('./package.json'), undefined, 2) + ';'\" > src/package-json.ts",
-    "build": "rm -rf lib && pnpm prepare:package-json && tsc -p tsconfig.build.json",
+    "build": "node ../../.scripts/rm.mjs lib && pnpm prepare:package-json && tsc -p tsconfig.build.json",
     "dev": "tsc -p tsconfig.build.json --watch --preserveWatchOutput --incremental",
     "start": "node .",
     "start:dev": "pnpm build && node .",
diff --git a/packages/tunnel/package.json b/packages/tunnel/package.json
index 7e7f508c8887..65262579fa77 100644
--- a/packages/tunnel/package.json
+++ b/packages/tunnel/package.json
@@ -24,7 +24,7 @@
   "scripts": {
     "precommit": "lint-staged",
     "prepare:package-json": "node -p \"'export const packageJson = ' + JSON.stringify(require('./package.json'), undefined, 2) + ';'\" > src/package-json.ts",
-    "build": "rm -rf lib && pnpm prepare:package-json && tsc -p tsconfig.build.json",
+    "build": "node ../../.scripts/rm.mjs lib && pnpm prepare:package-json && tsc -p tsconfig.build.json",
     "dev": "tsc -p tsconfig.build.json --watch --preserveWatchOutput --incremental",
     "start": "node .",
     "start:dev": "pnpm build && node .",