# Sprint 46 Status Report

**Sprint**: 46 - Full OTT Ecosystem + GitHub Models Provider
**Duration**: February 24, 2026
**Status**: ✅ COMPLETE
**Gate**: G-Sprint-46 PASS

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## Executive Summary

Sprint 46 delivered two major features:

1. **OTT Ecosystem**: Bidirectional channel support with Zalo OA integration, conversational escalation (5 intents), and CEO-configurable channel routing.

2. **GitHub Models Provider**: Free-tier cloud provider with 10 models, task-based routing, and secure PAT storage.

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## OTT Track Deliverables

### Bidirectional Channels
- `BidirectionalChannel` interface: receive(), onMessage(), start(), stop(), isReceiving()
- Telegram channel: polling support
- Zalo OA channel: webhook support

### Zalo Integration
| File | LOC | Purpose |
|------|-----|---------|
| `src/channels/zalo/zalo-channel.ts` | ~400 | Send/receive via Zalo OA API |
| `src/channels/zalo/zalo-config.ts` | ~120 | Config loading (env + file) |
| `src/channels/zalo/index.ts` | ~40 | Module exports |

### Conversational Handler
| File | LOC | Purpose |
|------|-----|---------|
| `src/channels/conversation/intents.ts` | ~200 | Intent parsing (command + NLP) |
| `src/channels/conversation/actions.ts` | ~350 | Action handlers (5 intents) |
| `src/channels/conversation/message-handler.ts` | ~300 | Full pipeline orchestration |

### Channel Routing
| File | LOC | Purpose |
|------|-----|---------|
| `src/channels/routing.ts` | ~220 | Per-alert-type routing config |
| Config: `~/.endiorbot/channels.json` | — | CEO routing preferences |

### Supported Intents

| Intent | Trigger | Description |
|--------|---------|-------------|
| APPROVE | `/approve <id>`, "yes", "ok" | Approve pending item |
| REJECT | `/reject <id>`, "no", "deny" | Reject pending item |
| STATUS | `/status`, "status", "how is" | Get system status |
| SHOW_ERROR | `/error`, "what went wrong" | Show recent errors |
| TRY_DIFFERENT | `/try <model>`, "try with" | Retry with different model |

---

## GitHub Models Track Deliverables

### Provider Implementation
| File | LOC | Purpose |
|------|-----|---------|
| `src/providers/github/index.ts` | ~730 | GitHubModelsProvider class |
| `src/providers/github/config.ts` | ~280 | Model catalog + task routing |

### Model Catalog (10 Models)

| Model | Provider | Tier | Purpose |
|-------|----------|------|---------|
| gpt-4o | OpenAI | Pro | Most capable, vision |
| gpt-4o-mini | OpenAI | Free | Fast, cost-effective |
| o1-mini | OpenAI | Pro | Reasoning |
| llama-3.3-70b | Meta | Free | Open-source, research |
| llama-3.2-90b-vision | Meta | Pro | Vision-capable |
| phi-4 | Microsoft | Free | Fast inference |
| mistral-large | Mistral | Pro | Top-tier Mistral |
| mistral-small | Mistral | Free | Efficient |
| cohere-command-r | Cohere | Free | RAG, tool use |

### Task-Based Routing

| Task Type | Model | Tier |
|-----------|-------|------|
| code_generation | gpt-4o | Pro |
| bug_fix | gpt-4o-mini | Free |
| code_review | llama-3.3-70b | Free |
| architecture | gpt-4o | Pro |
| reasoning | o1-mini | Pro |
| research | llama-3.3-70b | Free |
| fast/drafts | phi-4 | Free |
| general | gpt-4o-mini | Free |
| rag | cohere-command-r | Free |

### Features
- Circuit breaker: 15 req/min rate limit
- PAT storage: keytar (secure) or env vars
- Streaming support
- Tool calls support

---

## Test Coverage

| Test Suite | Tests | Status |
|------------|-------|--------|
| Zalo channel | 24 | ✅ |
| E2E channel flow | 22 | ✅ |
| GitHub routing | 31 | ✅ |
| GitHub provider | 41 | ✅ |
| Conversation intents | 47 | ✅ |
| Conversation actions | 35 | ✅ |
| **Total Sprint 46** | ~276 | ✅ |
| **Total Project** | 2,739 | ✅ |

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## Documentation

| Document | Status |
|----------|--------|
| `docs/04-build/ott-channels.md` | ✅ Created |
| `docs/01-planning/sprint-46-plan.md` | ✅ Updated |
| `docs/04-build/SPRINT-INDEX.md` | ✅ Updated |

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## G-Sprint-46 Gate Checklist

### OTT Track
- [x] Bidirectional channel interface; Telegram and Zalo receive messages
- [x] Zalo OA integration (send + receive)
- [x] Unified message format and channel routing (channels.json)
- [x] All OTT inputs pass through InputSanitizer
- [x] OTT audit logging
- [x] Message router: /approve, /reject, /status, show error, try different
- [x] SHOW_ERROR returns last error + snippet
- [x] TRY_DIFFERENT triggers retry and confirms
- [x] STATUS returns full session summary
- [x] docs/04-build/ott-channels.md updated

### GitHub Models Track
- [x] ADR-009 created
- [x] GitHubModelsProvider implements BaseProvider
- [x] Circuit breaker: 15 req/min with exponential backoff
- [x] PAT stored via keytar (not .env or git)
- [x] Registered in ProviderRegistry
- [x] ResourceRouter includes github-models in failover chain
- [x] Setup via env vars (GITHUB_MODELS_PAT or GITHUB_TOKEN)
- [x] Unit tests pass (41 tests)

### Overall
- [x] Build and lint pass
- [x] All tests pass (2,739 tests)

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## Key Metrics

| Metric | Value |
|--------|-------|
| Total LOC Added | ~2,960 |
| Files Created | 15 |
| Tests Added | +276 |
| Models Supported | 10 |
| Intents Supported | 5 |
| Channels Supported | 2 (Telegram, Zalo) |

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## Next Sprint Preview (Sprint 47)

**Goal**: Integration + Stabilization

**Key Deliverables**:
- 2-hour autonomous session E2E
- Budget optimization validation
- User guides and config reference
- Sprint 48+ planning

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**Completed**: 2026-02-24
**Maintained by**: @pm (AI)
**SDLC Framework**: 6.1.1
