chore: add git hooks for format and CI checks

- pre-commit: auto-format code with cargo fmt
- pre-push: run format check, clippy, and tests

Run ./scripts/setup-hooks.sh to enable hooks.

Author: EchoBT

.githooks/pre-commit

@@ -0,0 +1,13 @@
+#!/bin/bash
+set -e
+
+echo "Running pre-commit checks..."
+
+# Format code
+echo "Formatting code..."
+cargo fmt --all
+
+# Add formatted files back to staging
+git add -u
+
+echo "Pre-commit checks passed!"

.githooks/pre-push

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+echo "Running pre-push CI checks..."
+
+# Format check
+echo "Checking format..."
+cargo fmt --all -- --check
+
+# Clippy
+echo "Running clippy..."
+cargo clippy --all-targets --workspace -- -W clippy::all
+
+# Tests
+echo "Running tests..."
+cargo test --workspace
+
+echo "All CI checks passed!"

Cargo.lock

@@ -0,0 +1,7 @@
+#!/bin/bash
+# Setup git hooks for platform-chain
+
+REPO_ROOT="$(git rev-parse --show-toplevel)"
+git config core.hooksPath "$REPO_ROOT/.githooks"
+
+echo "Git hooks configured. Pre-commit will format code, pre-push will run CI checks."