chore: integrate AI development platform into HLL Vietnam project

ai/repo-context.md

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+# Repository Context
+
+## Project Overview
+
+HLL Vietnam is a community website repository for a Spanish-speaking Discord community centered on the future game HLL Vietnam.
+
+The current implementation is intentionally small:
+
+- a static landing page in `frontend/`
+- a reserved Python backend space in `backend/`
+- documentation in `docs/`
+- an AI task orchestration layer in `ai/`
+
+This repository is in foundation stage. The objective is to grow in a controlled way without losing clarity or overwriting project identity with generic template content.
+
+## Current Product State
+
+- Frontend: static HTML, CSS and vanilla JavaScript
+- Backend: not implemented yet, but planned in Python
+- AI Platform: integrated to coordinate planning and task execution
+- Product goal in current phase: maintain a clean landing and repository structure
+
+## Repository Areas
+
+### Root documentation
+
+- `README.md`
+- `AGENTS.md`
+
+These files define the repository purpose and operating rules.
+
+### Docs
+
+- `docs/project-overview.md`
+- `docs/roadmap.md`
+- `docs/decisions.md`
+
+These files describe scope, phased evolution and technical decisions.
+
+### Frontend
+
+- `frontend/index.html`
+- `frontend/assets/css/styles.css`
+- `frontend/assets/js/main.js`
+
+This is the live product surface in the current phase. Keep changes conservative unless a task explicitly targets the landing.
+
+### Backend
+
+- `backend/README.md`
+- `backend/requirements.txt`
+- `backend/app/__init__.py`
+
+This area is a reserved foundation for the future Python backend. Do not add functional services unless explicitly requested by task.
+
+### AI Platform
+
+- `ai/task-template.md`
+- `ai/repo-context.md`
+- `ai/architecture-index.md`
+- `ai/system-metrics.md`
+- `ai/prompts/`
+- `ai/orchestrator/`
+- `ai/tasks/`
+
+This area supports planning, orchestration and execution discipline.
+
+## Working Rules For Agents
+
+- Always work from tasks, except for repository inspection or explicitly requested platform integration.
+- Prefer small, focused, reviewable changes.
+- Preserve the military and Vietnam-inspired visual tone.
+- Avoid introducing new technologies without clear reason.
+- Treat Python as the planned backend baseline.
+
+## AI Workflow
+
+`Request -> Orchestrator review -> Scoped task -> Execution -> Validation -> Documentation -> Commit`
+
+Tasks move through:
+
+- `ai/tasks/pending`
+- `ai/tasks/in-progress`
+- `ai/tasks/done`