📚 Documentation: S202 complete file manifest — what was created and modified?

Date: 2026-03-11
Time: 04:21:29 UTC
Session: gspace1-202.7
Agent: backend
Confidence: 100%
Status: ✅ Documented

📋 Decision Context

Question:

S202 complete file manifest — what was created and modified?

Task: S202 file manifest for handoff

🎯 Decision Made

Chosen:

NEW FILES (7): checkpoint.service.ts (Redis checkpoint for agent loop), skill-extraction.service.ts (auto-extract skills from tasks), skill-retrieval.service.ts (find+inject relevant skills), golden-path.fixtures.ts (20 test scenarios), golden-path.spec.ts (test runner), vwu-pricing-spec.md (billing design doc), billing/ directory. MODIFIED FILES (9): cost-alert.service.ts (fixed /24 bug → getCostSince), llm-cost-tracker.service.ts (+getCostSince, +getCostByFeature, +getHistoricalCostsByFeature), observatory.controller.ts (+llm-by-feature endpoint), deployment-rollback.service.ts (wired createRevertCommit), platform-api-client.service.ts (+revertCommit method), chat.service.ts (+loadDossierBrief, dossier in context), vitto-engine.service.ts (+agentSessions persistence, +skill extraction hook), agent-loop.service.ts (+checkpoint save/clear), context-assembly.service.ts (+skill retrieval in prompt), engine.module.ts (+3 new providers).

Options Considered:

• No alternatives documented

💭 Reasoning

Complete file manifest enables future agents to understand the blast radius of S202 changes and review them efficiently. Every file change is traceable to a specific plan task.

📁 Files Involved

• APIs/backend-vitto-api/src/app/engine/checkpoint.service.ts
• APIs/backend-vitto-api/src/app/engine/skill-extraction.service.ts
• APIs/backend-vitto-api/src/app/engine/skill-retrieval.service.ts
• APIs/backend-vitto-api/src/app/engine/__tests__/golden-paths/golden-path.fixtures.ts
• APIs/backend-vitto-api/src/app/engine/__tests__/golden-paths/golden-path.spec.ts
• docs/english/GoGrab-Space/billing/vwu-pricing-spec.md
• APIs/backend-ai-api/src/app/infrastructure/services/cost-alert.service.ts
• APIs/backend-ai-api/src/app/infrastructure/services/llm-cost-tracker.service.ts
• APIs/backend-ai-api/src/app/infrastructure/controllers/observatory.controller.ts
• APIs/backend-ai-api/src/app/workflow/services/deployment-rollback.service.ts
• APIs/backend-ai-api/src/app/platform-api-client/platform-api-client.service.ts
• APIs/backend-ai-api/src/app/chat/chat.service.ts
• APIs/backend-vitto-api/src/app/engine/vitto-engine.service.ts
• APIs/backend-vitto-api/src/app/engine/agent-loop.service.ts
• APIs/backend-vitto-api/src/app/engine/context-assembly.service.ts
• APIs/backend-vitto-api/src/app/engine/engine.module.ts

🔗 Related

• Decision ID: dev_1773202889501_z92vd7e
• Session: 202
• Workspace: gspace1

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