MemoryGate_Standalone_v1.1

v1.1 - Production Hardening Release

FEATURES:
- Structured error handling (ValidationIssue exception)
- Tool inventory monitoring with auto-rebind
- Strict pattern evidence validation
- Enhanced archive/rehydrate idempotency

FIXES:
- P0: Tool registry collapse detection and recovery
- P0: Archive/rehydrate accurate counts and status
- P1: Pattern evidence ID validation (strict mode)
- P1: Concept alias consistency across all tools
- P2: Structured validation errors (no stack traces)
- P2: Limits documented in user guide

DEPLOYMENT:
- Tested by Hexy (ChatGPT) and Kee (Claude Desktop)
- Multi-platform OAuth support validated
- Production stable at memorygate.fly.dev
- Ready for app store submission

Breaking Changes: None
Migration Required: Yes (8eaa0966fb0f - OAuth tables)