feat: add shell-level filtering wrapper for pre-commit checks

Author: pRizz

scripts/precommit-filtered.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+# Wrapper for 'just pre-commit' that only outputs failures to reduce context bloat
+
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$REPO_ROOT"
+
+LOG_FILE="/tmp/opencode-cloud-precommit-$$.log"
+
+echo "Running pre-commit checks (full output captured to $LOG_FILE)..."
+echo ""
+
+# Run pre-commit, capture all output
+if just pre-commit > "$LOG_FILE" 2>&1; then
+    echo "✅ All tests passed."
+    rm -f "$LOG_FILE"
+    exit 0
+else
+    EXIT_CODE=$?
+    echo "❌ Pre-commit failed (exit code $EXIT_CODE)"
+    echo ""
+    echo "=== FAILURES ONLY ==="
+    
+    # Extract only failure lines and surrounding context
+    grep -B2 -A2 "FAILED\|❌\|error:\|Error:" "$LOG_FILE" || true
+    
+    # Show summary line if present
+    grep "Tests:" "$LOG_FILE" || true
+    
+    echo ""
+    echo "Full log saved: $LOG_FILE"
+    exit $EXIT_CODE
+fi