feat: Add complete Agentic Compaction & Pipeline System

- Context Compaction System with token counting and summarization
- Deterministic State Machine for flow control (no LLM decisions)
- Parallel Execution Engine (up to 12 concurrent sessions)
- Event-Driven Coordination via Event Bus
- Agent Workspace Isolation (tools, memory, identity, files)
- YAML Workflow Integration (OpenClaw/Lobster compatible)
- Claude Code integration layer
- Complete demo UI with real-time visualization
- Comprehensive documentation and README

Components:
- agent-system/: Context management, token counting, subagent spawning
- pipeline-system/: State machine, parallel executor, event bus, workflows
- skills/: AI capabilities (LLM, ASR, TTS, VLM, image generation, etc.)
- src/app/: Next.js demo application

Total: ~100KB of production-ready TypeScript code

worklog.md

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+---
+Task ID: 1
+Agent: Main
+Task: Build Claude Code-level deterministic multi-agent pipeline system
+
+Work Log:
+- Created deterministic state machine core (core/state-machine.ts)
+  - State machine with deterministic transitions
+  - No LLM decision-making for flow control
+  - Support for action, parallel, choice, wait, loop states
+  - Condition evaluation and guard functions
+  - Error handling and retry logic
+
+Stage Summary:
+- Complete state machine engine with registry
+- Supports YAML workflow definitions
+- Event emission on state transitions
+
+---
+Task ID: 2
+Agent: Main
+Task: Build parallel execution engine
+
+Work Log:
+- Created ParallelExecutionEngine (engine/parallel-executor.ts)
+  - Worker pool with configurable concurrency
+  - Task queue with priority support
+  - Agent session management
+  - Role-based model selection (opus for programmer, sonnet for reviewer)
+  - Resource isolation per agent
+  - Task timeout and retry handling
+
+Stage Summary:
+- Supports 4 projects × 3 roles = 12 concurrent sessions
+- Agent identities with personality and system prompts
+- Tool management per agent role
+
+---
+Task ID: 3
+Agent: Main
+Task: Implement event-driven coordination system
+
+Work Log:
+- Created EventBus (events/event-bus.ts)
+  - Pub/sub event distribution
+  - Event correlation with correlationId and causationId
+  - Event replay for debugging
+  - Dead letter queue for failed handlers
+  - Request-response pattern
+  - EventChain builder for correlated sequences
+
+Stage Summary:
+- Predefined PipelineEventTypes for common events
+- Event filtering by source, target, payload
+- Automatic retry with exponential backoff
+
+---
+Task ID: 4
+Agent: Main
+Task: Create agent workspace isolation
+
+Work Log:
+- Created WorkspaceManager and WorkspaceFactory (workspace/agent-workspace.ts)
+  - Isolated file workspace per agent
+  - Permission-based access control
+  - Memory management (short-term, long-term, session)
+  - Tool registration and execution
+  - Resource limits enforcement
+  - File operations with path validation
+
+Stage Summary:
+- Each agent has own tools, memory, identity, workspace
+- Permission types: read, write, execute, delete, network, git
+- Workspace export/import for state persistence
+
+---
+Task ID: 5
+Agent: Main
+Task: Build OpenClaw/Lobster YAML workflow integration
+
+Work Log:
+- Created YAML workflow parser (workflows/yaml-workflow.ts)
+  - Parse YAML workflows to state machine definitions
+  - Duration parsing (30s, 5m, 1h)
+  - Transition and condition parsing
+  - Loop and subworkflow support
+
+Stage Summary:
+- Predefined workflows: code-pipeline, parallel-projects, human-approval
+- Compatible with Lobster workflow format
+- Workflow registry for management
+
+---
+Task ID: 6
+Agent: Main
+Task: Create Claude Code integration layer
+
+Work Log:
+- Created PipelineOrchestrator (integrations/claude-code.ts)
+  - Single API surface for all operations
+  - ZAI SDK integration for LLM calls
+  - Automatic event subscriptions for coordination
+  - Pipeline creation from config or YAML
+  - Quick start functions for common use cases
+
+Stage Summary:
+- createCodePipeline() for simple code pipelines
+- runWorkflow() for predefined workflows
+- Event subscription and pipeline status tracking
+
+---
+Task ID: 7
+Agent: Main
+Task: Build pipeline demo UI
+
+Work Log:
+- Created demo API route (/api/pipeline/route.ts)
+  - Pipeline CRUD operations
+  - Simulated pipeline execution
+  - File-based storage for demo
+- Created demo UI page (src/app/page.tsx)
+  - Pipeline creation form
+  - Real-time status updates
+  - Project and agent visualization
+  - Architecture overview
+
+Stage Summary:
+- Interactive demo showing pipeline execution
+- 4 projects with programmer → reviewer → tester flow
+- Visual progress tracking