[INIT] Complete road map#1
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Pull request overview
Adds a comprehensive set of architecture documents (Sections 6–18) plus a concrete 16-person hackathon execution plan, establishing the system design, delivery phases, and operational considerations for ProjectOS.
Changes:
- Introduces a named-squad hackathon team plan with phase checkpoints and integration pairings.
- Adds architecture sections covering Knowledge Hub + RAG, AI service patterns, API contract, background jobs, security, deployment, migrations, scalability, and risks/trade-offs.
- Documents the roadmap/migration ordering and hackathon-specific delivery risks.
Reviewed changes
Copilot reviewed 14 out of 14 changed files in this pull request and generated 7 comments.
Show a summary per file
| File | Description |
|---|---|
| HACKATHON_TEAM_PLAN.md | Adds a 16-person squad/phase execution plan mapped onto the architecture. |
| architecture/section_06_knowledge_hub_architecture.md | Defines ingestion pipeline, connectors, chunking strategy, and index health reporting. |
| architecture/section_07_rag_architecture.md | Defines the shared retrieval pipeline, configuration per consumer, and citation enforcement. |
| architecture/section_08_ai_services.md | Specifies AIService responsibilities, retry/caching, and AI workflow sequences. |
| architecture/section_09_api_design.md | Documents the REST contract for all routers/endpoints, shapes, and error conventions. |
| architecture/section_10_background_workers.md | Catalogs async jobs, scheduling, recovery, and a Celery migration path. |
| architecture/section_11_technology_stack.md | Consolidates stack choices and versioning/pinning approach. |
| architecture/section_12_folder_structure.md | Documents repository layout, module boundaries, and structural invariants. |
| architecture/section_13_security_architecture.md | Consolidates auth, tenancy isolation, secrets, logging, rate limiting, and webhook verification. |
| architecture/section_14_deployment_architecture.md | Describes hackathon vs scaled deployment topologies, nginx SSE proxying, and CI/CD flow. |
| architecture/section_15_future_scalability.md | Lists deferred items with triggers and upgrade paths for scale/hardening. |
| architecture/section_16_development_roadmap.md | Defines phased build sequencing and post-hackathon milestones. |
| architecture/section_17_database_migration_plan.md | Defines Alembic sequencing, rollback/zero-downtime patterns, and seed gating. |
| architecture/section_18_risks_and_tradeoffs.md | Consolidates ADR trade-offs and top technical/product/ops delivery risks. |
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| | `GET` | `/chat/sessions/{session_id}/messages` | `?cursor&limit` | `200 { items: ChatMessageOut[], next_cursor }` | `404` | FR-8.7 | | ||
| | `POST` | `/chat/messages/{message_id}/feedback` | `{ feedback: "thumbs_up"\|"thumbs_down" }` | `200 ChatMessageOut` | `404`, `422 invalid_feedback_value` | FR-8.8 | | ||
| | `POST` | `/chat/diagram` | `{ session_id, repository_id }` | `200 text/event-stream` — narrative + final `mermaid` block (§8.6.6) | `404`, `422 repository_not_indexed` | FR-8.5 | | ||
| | `GET` | `/dashboard/documentation-gaps` | `?limit` | `200 { items: [{query_cluster, count, sample_queries[]}] }` (FR-8.9, computed on read per §5.3.7) | — | FR-8.9 | |
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| API-->>FE: { access_token, refresh_token, user } | ||
| FE->>FE: store access_token in memory, refresh_token in httpOnly cookie |
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| FE->>API: POST /auth/refresh { refresh_token } | ||
| API->>PG: SELECT refresh_tokens WHERE token_hash=bcrypt(refresh_token) |
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| sa.Column("story_points", sa.SmallInteger, sa.CheckConstraint("story_points IN (1,2,3,5,8,13)"), nullable=False), | ||
| sa.Column("status", sa.String(20), nullable=False, server_default="draft"), | ||
| sa.Column("generation_model", sa.String(50), nullable=False), | ||
| sa.Column("generation_version", sa.Integer, nullable=False, server_default="1"), | ||
| sa.Column("created_at", sa.TIMESTAMP(timezone=True), nullable=False, server_default=sa.func.now()), |
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| ├── docs/ | ||
| │ └── architecture/ # this document, section by section |
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| ## 9. Phased Module Plan — Named Assignments |
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| | Code parsing | `tree-sitter` + `tree-sitter-languages` | latest | Syntax-aware chunking at function/class boundaries (§6.4.1) — directly named in the requirements doc as dramatically improving code retrieval quality over naive line-splitting | Naive line-based or regex chunking — the exact anti-pattern the requirements doc calls out | | ||
| | Static import analysis | Python `ast` (stdlib) + `tree-sitter` import queries | stdlib / latest | Architecture diagram generation (FR-8.5) needs real parsed import edges, not LLM-guessed relationships (§8.6.6) | LLM-inferred architecture from prose description — explicitly rejected in the requirements doc's gaps section (§9): "generated from actually parsing the code... not generated from vibes" | |
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