docs(init): initialize orch-engine (6 phases)

---ci---
project: orch-engine
phase: 0
milestone: v1.0
status: specify
decisions:
  - id: D-001
    decision: Use single-project mode for initial setup
    rationale: Simplified configuration for the initial phase
    confidence: 1.0
    alternatives: []
---/ci---

Specification: Build an offline/CLI-first orchestration engine.
Requirements: Simplicity, AI-first, Offline-first, CLI-first, prioritize security/bug-fixes over features, Go 1.25+.
Constraints: Simpler than Nomad, far simpler than Kubernetes.
Out of scope: K8s complexity.

.ciagent/ARCHITECTURE.md

@@ -0,0 +1,13 @@
+# Architecture: Orchestration Engine
+
+(Initial Draft)
+The system will consist of:
+1. **CLI Tool**: The primary interface for users and AI agents.
+2. **Controller/Server**: A lightweight daemon managing state and scheduling.
+3. **Agent/Worker**: A daemon running on each node to execute workloads.
+4. **State Store**: A simple, local-first state persistence mechanism.
+
+## Design Pillars
+- Security before features.
+- Bug fixes before features.
+- NFRs before features.

.ciagent/PROJECT.md

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+# Project: Orchestration Engine
+
+## Vision
+A minimalist, offline-first, CLI-first orchestration engine inspired by HashiCorp Nomad, prioritizing stability, security, and simplicity over feature richness.
+
+## Objective
+Build a lightweight system to manage and execute workloads across a set of nodes, keeping complexity far below that of Kubernetes.
+
+## Requirements
+- **CLI First**: Primary interaction through a CLI tool.
+- **Offline First**: Functional without constant internet connectivity.
+- **AI First**: Designed to be easily discoverable and manageable by AI agents.
+- **Stability & Security**: Prioritize security fixes and bug fixes over new features.
+- **Language**: Written in Go 1.25+.
+- **Simplicity**: Minimalist implementation, avoiding the "K8s complexity trap".
+
+## Constraints
+- No web UI as a primary requirement.
+- Must not implement K8s-level complexity.
+- Feature development must move slowly to ensure stability.
+
+## Out of Scope
+- Full-blown Kubernetes-compatible API.
+- Complex cloud-provider integrations.
+- GUI-based management consoles.

.ciagent/REQUIREMENTS.md

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+# Requirements: Orchestration Engine
+
+## Milestone v1.0: Foundation
+| ID | Requirement | Priority | Status |
+|----|-------------|----------|--------|
+| REQ-001 | Go 1.25+ Toolchain Support | High | Pending |
+| REQ-002 | CLI-first interface for all operations | High | Pending |
+| REQ-003 | Offline-first operational mode | High | Pending |
+| REQ-004 | Basic task deployment (single node) | Medium | Pending |
+| REQ-005 | Local state storage without external DB | Medium | Pending |
+| REQ-006 | Security-first audit logging | High | Pending |

.ciagent/ROADMAP.md

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+# Roadmap: Orchestration Engine
+
+## Milestone v1.0: Foundation (Initial)
+- [ ] Phase 0: Project Initialization & Specification
+- [ ] Phase 1: Core CLI Skeleton & Command Parsing
+- [ ] Phase 2: Basic Node Management (Join/Leave)
+- [ ] Phase 3: Simple Task Execution Engine
+- [ ] Phase 4: Local State Persistence
+- [ ] Phase 5: Basic Health Checking

.ciagent/config.json

@@ -0,0 +1,9 @@
+{
+  "projects": [
+    {
+      "slug": "orch-engine",
+      "name": "Orchestration Engine"
+    }
+  ],
+  "active_project": "orch-engine"
+}