diff --git a/product-source/hololake-platform/.github/HOOKS.md b/product-source/hololake-platform/.github/HOOKS.md
index 55d2cee..6a2d870 100644
--- a/product-source/hololake-platform/.github/HOOKS.md
+++ b/product-source/hololake-platform/.github/HOOKS.md
@@ -5,13 +5,18 @@ surfaces; GLS-0844 (GHNQG) is the quality authority.
 
 ## Installation
 
-`pnpm install` runs the `prepare` script and installs the hooks into
-`.git/hooks`. To reinstall them, run:
+`pnpm install` runs the `prepare` script and binds Git's local hook path to
+this product's `.husky/` directory. This also works when the product is nested
+inside a larger Git worktree. To restore the binding without installing
+dependencies, run:
 
 ```bash
-pnpm exec husky
+bash scripts/install-guanghu-native-hooks.sh
 ```
 
+The hook itself enters the product root before running any protocol command,
+so its behavior does not depend on the caller's current directory.
+
 ## Native policy
 
 - Commit on `main` or in a detached verification worktree intended for direct
diff --git a/product-source/hololake-platform/.husky/pre-commit b/product-source/hololake-platform/.husky/pre-commit
index 1d9bd04..9d10a4a 100755
--- a/product-source/hololake-platform/.husky/pre-commit
+++ b/product-source/hololake-platform/.husky/pre-commit
@@ -1,5 +1,8 @@
 #!/usr/bin/env sh
 set -eu
 
+hook_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+cd "$hook_dir/.."
+
 bash scripts/test-guanghu-native-authority.sh
 node scripts/validate-guanghu-native-profile.mjs
diff --git a/product-source/hololake-platform/.husky/pre-push b/product-source/hololake-platform/.husky/pre-push
index 6cf79a4..d246d11 100755
--- a/product-source/hololake-platform/.husky/pre-push
+++ b/product-source/hololake-platform/.husky/pre-push
@@ -1,6 +1,9 @@
 #!/usr/bin/env sh
 set -eu
 
+hook_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+cd "$hook_dir/.."
+
 if [ -t 0 ]; then
   push_input=""
 else
diff --git a/product-source/hololake-platform/package.json b/product-source/hololake-platform/package.json
index d0d869e..7e5561a 100644
--- a/product-source/hololake-platform/package.json
+++ b/product-source/hololake-platform/package.json
@@ -42,7 +42,7 @@
     "package:internal:windows": "HOLOLAKE_DISTRIBUTION=personal HOLOLAKE_SOURCE_REPOSITORY_ID=REPO-008 HOLOLAKE_SOURCE_CHANNEL_ID=HLP-CHANNEL-0001 pnpm guard:deployment-source && ./scripts/build-internal-release.sh windows",
     "package:team:macos": "HOLOLAKE_DISTRIBUTION=team HOLOLAKE_SOURCE_REPOSITORY_ID=REPO-008 HOLOLAKE_SOURCE_CHANNEL_ID=HLP-CHANNEL-0001 pnpm guard:deployment-source && HOLOLAKE_TAURI_CONFIG=src-tauri/tauri.team.conf.json HOLOLAKE_APP_NAME='HoloLake Lighthouse Team Beta 0.2.0' HOLOLAKE_INSTALLER_BASENAME='HoloLake-Lighthouse-{version}-Team-Beta-Mac-aarch64' ./scripts/build-internal-release.sh macos",
     "package:team:windows": "HOLOLAKE_DISTRIBUTION=team HOLOLAKE_SOURCE_REPOSITORY_ID=REPO-008 HOLOLAKE_SOURCE_CHANNEL_ID=HLP-CHANNEL-0001 pnpm guard:deployment-source && HOLOLAKE_TAURI_CONFIG=src-tauri/tauri.team.conf.json HOLOLAKE_INSTALLER_BASENAME='HoloLake-Era-{version}-Team-Foundation-Windows-x64-setup' ./scripts/build-internal-release.sh windows",
-    "prepare": "husky"
+    "prepare": "bash scripts/install-guanghu-native-hooks.sh"
   },
   "dependencies": {
     "@anthropic-ai/sdk": "^0.78.0",
diff --git a/product-source/hololake-platform/scripts/install-guanghu-native-hooks.sh b/product-source/hololake-platform/scripts/install-guanghu-native-hooks.sh
new file mode 100755
index 0000000..7bdbbaa
--- /dev/null
+++ b/product-source/hololake-platform/scripts/install-guanghu-native-hooks.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env sh
+set -eu
+
+product_root=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
+git_root=$(git -C "$product_root" rev-parse --show-toplevel 2>/dev/null || true)
+
+if [ -z "$git_root" ]; then
+  echo "GHNQG_FAIL_0 gate=automatic_protocol_bindings reason=git_root_missing" >&2
+  exit 1
+fi
+
+product_prefix=$(git -C "$product_root" rev-parse --show-prefix)
+hooks_path="${product_prefix}.husky"
+
+git -C "$git_root" config --local core.hooksPath "$hooks_path"
+chmod +x "$product_root/.husky/pre-commit" "$product_root/.husky/pre-push"
+
+configured=$(git -C "$git_root" config --local --get core.hooksPath)
+if [ "$configured" != "$hooks_path" ]; then
+  echo "GHNQG_FAIL_0 gate=automatic_protocol_bindings reason=hooks_path_mismatch" >&2
+  exit 1
+fi
+
+echo "GHNQG_HOOKS_ACTIVE path=$hooks_path"
diff --git a/product-source/hololake-platform/scripts/test-guanghu-native-authority.sh b/product-source/hololake-platform/scripts/test-guanghu-native-authority.sh
index 2f15809..d2d8e47 100755
--- a/product-source/hololake-platform/scripts/test-guanghu-native-authority.sh
+++ b/product-source/hololake-platform/scripts/test-guanghu-native-authority.sh
@@ -10,6 +10,7 @@ active_authority_surfaces=(
   ".github/workflows/ci.yml"
   ".github/workflows/README.md"
   ".husky/pre-push"
+  "scripts/install-guanghu-native-hooks.sh"
   "scripts/run-hololake-native-quality-gate.sh"
   ".claude/settings.local.json"
   ".chunk/config.json"
@@ -47,6 +48,10 @@ if grep -Ein \
 fi
 
 grep -Fq 'GLS-0844' "${repository_root}/AGENTS.md"
+grep -Fq 'install-guanghu-native-hooks.sh' "${repository_root}/package.json"
+grep -Fq 'core.hooksPath' "${repository_root}/scripts/install-guanghu-native-hooks.sh"
+grep -Fq 'cd "$hook_dir/.."' "${repository_root}/.husky/pre-commit"
+grep -Fq 'cd "$hook_dir/.."' "${repository_root}/.husky/pre-push"
 grep -Fq 'GHNQG_PASS_100' "${repository_root}/.husky/pre-push"
 grep -Fq 'run-hololake-native-quality-gate.sh' "${repository_root}/.husky/pre-push"
 grep -Fq 'run-hololake-native-quality-gate.sh' "${repository_root}/.github/workflows/ci.yml"
diff --git a/product-source/hololake-platform/scripts/validate-guanghu-native-profile.mjs b/product-source/hololake-platform/scripts/validate-guanghu-native-profile.mjs
index 0062399..bf6945a 100644
--- a/product-source/hololake-platform/scripts/validate-guanghu-native-profile.mjs
+++ b/product-source/hololake-platform/scripts/validate-guanghu-native-profile.mjs
@@ -48,6 +48,7 @@ for (const required of [
 }
 
 const packageJson = JSON.parse(source('package.json'))
+requireTruth(packageJson.scripts.prepare.includes('install-guanghu-native-hooks.sh'), 'trigger_hook_install')
 requireTruth(packageJson.scripts.predev === 'pnpm test:native-authority', 'trigger_predev')
 requireTruth(packageJson.scripts.pretest === 'pnpm test:native-authority', 'trigger_pretest')
 requireTruth(
@@ -56,11 +57,14 @@ requireTruth(
   'trigger_prebuild',
 )
 requireTruth(source('.husky/pre-commit').includes('test-guanghu-native-authority.sh'), 'trigger_precommit')
+requireTruth(source('.husky/pre-commit').includes('cd "$hook_dir/.."'), 'trigger_precommit_product_root')
 requireTruth(
   source('.husky/pre-push').includes('test:native-authority')
     || source('.husky/pre-push').includes('run-hololake-native-quality-gate.sh'),
   'trigger_prepush',
 )
+requireTruth(source('.husky/pre-push').includes('cd "$hook_dir/.."'), 'trigger_prepush_product_root')
+requireTruth(source('scripts/install-guanghu-native-hooks.sh').includes('core.hooksPath'), 'trigger_hooks_path')
 requireTruth(source('.github/workflows/ci.yml').includes('test:native-authority'), 'trigger_ci')
 requireTruth(
   source('.github/workflows/ci.yml').includes('run-hololake-native-quality-gate.sh'),