chore: import upstream snapshot with attribution

cli-tool/components/skills/git/git-context-controller/scripts/gcc_init.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+# GCC Initialization Script
+# Creates the .GCC/ directory structure for agent memory management
+
+set -e
+
+GCC_DIR="${1:-.GCC}"
+
+if [ -d "$GCC_DIR" ]; then
+  echo "GCC already initialized at $GCC_DIR"
+  exit 0
+fi
+
+mkdir -p "$GCC_DIR/branches"
+
+# Create main.md - the global roadmap
+cat > "$GCC_DIR/main.md" << 'EOF'
+# Project Roadmap
+
+## Objectives
+- [ ] (Define project objectives here)
+
+## Milestones
+(Milestones will be populated as commits are made)
+
+## Active Branches
+(No active branches)
+EOF
+
+# Create metadata.yaml - infrastructure state
+cat > "$GCC_DIR/metadata.yaml" << EOF
+version: 1
+created: $(date -u +"%Y-%m-%dT%H:%M:%SZ")
+proactive_commits: true
+branches:
+  - name: main
+    status: active
+    created: $(date -u +"%Y-%m-%dT%H:%M:%SZ")
+file_tree: []
+dependencies: []
+EOF
+
+# Create initial commit.md
+INIT_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+cat > "$GCC_DIR/commit.md" << EOF
+# Commit History
+
+## [INIT] Project initialized
+- **Date**: $INIT_DATE
+- **Branch**: main
+- **Summary**: GCC memory system initialized.
+EOF
+
+# Create initial log.md
+cat > "$GCC_DIR/log.md" << 'EOF'
+# OTA Execution Log
+
+> Most recent entries at the bottom. Keep last 50 entries max.
+
+---
+EOF
+
+echo "GCC initialized successfully at $GCC_DIR/"
+echo "Structure:"
+echo "  $GCC_DIR/main.md        - Global roadmap"
+echo "  $GCC_DIR/metadata.yaml  - Infrastructure state"
+echo "  $GCC_DIR/commit.md      - Commit history"
+echo "  $GCC_DIR/log.md         - OTA execution log"
+echo "  $GCC_DIR/branches/      - Isolated workspaces"