feat: initial release — GARC v0.1.0

Permission-first AI agent runtime for Google Workspace.
Ports the LARC/OpenClaw governance model (disclosure chain,
execution gates, queue/ingress) to Gmail, Calendar, Drive,
Sheets, Tasks, and People APIs with Claude Code as the
execution engine.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

config/config.env.example

@@ -0,0 +1,35 @@
+# GARC Configuration
+# Copy this to ~/.garc/config.env and fill in your values
+
+# Google Drive folder ID for agent workspace (disclosure chain files)
+GARC_DRIVE_FOLDER_ID=1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+# Google Sheets ID for memory, agent registry, queue, and heartbeat
+GARC_SHEETS_ID=1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+# Default Gmail recipient for agent notifications
+GARC_GMAIL_DEFAULT_TO=you@gmail.com
+
+# Google Chat space ID (optional, for Chat-based notifications)
+GARC_CHAT_SPACE_ID=spaces/xxxxxxxx
+
+# Google Calendar ID (use "primary" for default calendar)
+GARC_CALENDAR_ID=primary
+
+# Cache TTL in seconds (default: 300 = 5 minutes)
+GARC_CACHE_TTL=300
+
+# OAuth2 client credentials JSON file (from Google Cloud Console)
+GARC_CREDENTIALS_FILE=~/.garc/credentials.json
+
+# OAuth2 user token file (auto-generated after first login)
+GARC_TOKEN_FILE=~/.garc/token.json
+
+# Service account JSON file (for bot/automated operations)
+# GARC_SERVICE_ACCOUNT_FILE=~/.garc/service_account.json
+
+# Default agent ID
+GARC_DEFAULT_AGENT=main
+
+# Cache directory
+GARC_CACHE_DIR=~/.garc/cache