chore(rebar): Pier_T_rebar 작업 폴더 초기 구성 및 외부 의존 파일 통합

- Code\rebar_pipeline, review_pipeline, pier-program을 정션에서 실제 폴더로 전환 - Code\rhino_mcp 및 CLAUDE_rhino배경.md 추가, .mcp.json은 PYTHONPATH로 새 위치 사용 - pier-program 내부 .git 제거(이력은 backup\pier-program_20261028.bundle에 보관) - worktree 가이드 반영(CLAUDE.local.md, HANDOFF.md) - D:\Rhino-MCP 경로 참조를 새 위치로 치환 Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-28 11:20:18 +09:00
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+---
+name: bkend-storage
+classification: capability
+classification-reason: Pattern guidance may overlap with model's built-in knowledge as it improves
+deprecation-risk: medium
+description: |
+  bkend.ai file storage — upload (presigned URL), download (CDN), visibility levels, buckets.
+  Triggers: bkend file, upload, download, presigned URL, storage, 파일 업로드, 스토리지.
+user-invocable: false
+agent: hmcmkit:bkend-expert
+allowed-tools:
+  - Read
+  - Write
+  - Edit
+  - Glob
+  - Grep
+  - Bash
+  - mcp__bkend__*
+imports:
+  - ${PLUGIN_ROOT}/templates/shared/bkend-patterns.md
+---
+
+# bkend.ai Storage Guide
+
+## Upload Methods
+
+| Method | Use Case | Process |
+|--------|----------|---------|
+| Single | Normal files | Presigned URL -> PUT upload -> Register metadata |
+| Multiple | Multiple files | Repeat single upload |
+| Multipart | Large files | Initialize -> Part URLs -> Complete |
+
+## Presigned URL
+
+- Validity: 15 minutes
+- PUT method with file binary
+- Content-Type header required
+
+## File Visibility (4 levels)
+
+| Level | Access | URL Type |
+|-------|--------|----------|
+| public | Anyone | CDN URL (no expiry) |
+| private | Owner only | Presigned URL (1 hour) |
+| protected | Authenticated users | Presigned URL (1 hour) |
+| shared | Specified targets | Presigned URL (1 hour) |
+
+## Size Limits
+
+| Category | Max Size |
+|----------|----------|
+| Images | 10 MB |
+| Videos | 100 MB |
+| Documents | 20 MB |
+
+## Storage Categories
+
+images, documents, media, attachments
+
+## MCP Storage Workflow
+
+bkend MCP does NOT have dedicated storage tools. Use this workflow:
+
+1. **Search docs**: `search_docs` with query "file upload presigned url"
+2. **Get examples**: `search_docs` with query "file upload code examples"
+3. **Generate code**: AI generates REST API code for file operations
+
+### Searchable Storage Docs
+| Doc ID | Content |
+|--------|---------|
+| `7_code_examples_data` | CRUD + file upload code examples |
+
+## REST Storage API
+
+| Method | Endpoint | Description |
+|--------|----------|-------------|
+| POST | /v1/files/presigned-url | Generate presigned URL |
+| POST | /v1/files | Register metadata (complete upload) |
+| GET | /v1/files | File list |
+| GET | /v1/files/:fileId | File detail |
+| PATCH | /v1/files/:fileId | Update metadata |
+| DELETE | /v1/files/:fileId | Delete file |
+| POST | /v1/files/:fileId/download-url | Generate download URL |
+
+## Multipart Upload (Large Files)
+
+| Method | Endpoint | Description |
+|--------|----------|-------------|
+| POST | /v1/files/multipart/init | Initialize multipart upload |
+| POST | /v1/files/multipart/presigned-url | Get part upload URL |
+| POST | /v1/files/multipart/complete | Complete multipart upload |
+| POST | /v1/files/multipart/abort | Abort multipart upload |
+
+## Upload Flow (Single File)
+
+```
+1. POST /v1/files/presigned-url -> { url, fileId }
+2. PUT {url} with file binary + Content-Type header
+3. POST /v1/files with { fileId, filename, contentType, size, visibility }
+```
+
+## Multipart Upload Flow (Large File)
+
+```
+1. POST /v1/files/multipart/init -> { uploadId }
+2. POST /v1/files/multipart/presigned-url -> [{ partNumber, url }]
+3. PUT each part URL with file chunk
+4. POST /v1/files/multipart/complete -> { file }
+```
+
+## Official Documentation (Live Reference)
+
+For the latest storage documentation, use WebFetch:
+- Storage Overview: https://raw.githubusercontent.com/popup-studio-ai/bkend-docs/main/en/storage/01-overview.md
+- MCP Storage Guide: https://raw.githubusercontent.com/popup-studio-ai/bkend-docs/main/en/mcp/07-storage-tools.md
+- Full TOC: https://raw.githubusercontent.com/popup-studio-ai/bkend-docs/main/SUMMARY.md