chore: Organize workspace structure - move docs, workflows, scripts to subdirectories

Organization:
- Created docs/ with setup/, guides/, history/ subdirectories
- Created workflows/ with trading/, analytics/, telegram/, archive/ subdirectories
- Created scripts/ with docker/, setup/, testing/ subdirectories
- Created tests/ for TypeScript test files
- Created archive/ for unused reference files

Moved files:
- 17 documentation files → docs/
- 16 workflow JSON files → workflows/
- 10 shell scripts → scripts/
- 4 test files → tests/
- 5 unused files → archive/

Updated:
- README.md with new file structure and documentation paths

Deleted:
- data/ (empty directory)
- screenshots/ (empty directory)

Critical files remain in root:
- telegram_command_bot.py (active bot - used by Dockerfile)
- watch-restart.sh (systemd service dependency)
- All Dockerfiles and docker-compose files
- All environment files

Validation:
 Containers running (trading-bot-v4, telegram-trade-bot, postgres)
 API responding (positions endpoint tested)
 Telegram bot functional (/status command tested)
 All critical files present in root

No code changes - purely organizational.
System continues running without interruption.

Recovery: git revert HEAD or git reset --hard cleanup-before

README.md

@@ -278,14 +278,40 @@ Changes to `.env` require container restart to take effect.
 ```
 traderv4/
 ├── README.md                           ← You are here
-├── DOCKER.md                           ← Docker deployment guide
-├── SETUP.md                            ← Setup instructions
-├── TESTING.md                          ← Testing guide
 ├── docker-compose.yml                  ← Docker orchestration
 ├── Dockerfile                          ← Multi-stage build
 ├── .env                                ← Configuration (template)
 ├── package.json                        ← Dependencies
 │
+├── docs/                               ← Documentation
+│   ├── setup/
+│   │   ├── DOCKER.md                  ← Docker deployment guide
+│   │   ├── SETUP.md                   ← Setup instructions
+│   │   ├── SETTINGS_SETUP.md          ← Settings guide
+│   │   ├── TELEGRAM_BOT_README.md     ← Telegram bot guide
+│   │   ├── N8N_WORKFLOW_SETUP.md      ← n8n workflow setup
+│   │   └── N8N_DATABASE_SETUP.md      ← n8n database setup
+│   ├── guides/
+│   │   ├── TESTING.md                 ← Testing guide
+│   │   ├── N8N_WORKFLOW_GUIDE.md      ← n8n usage guide
+│   │   └── WORKFLOW_VERIFICATION.md   ← Workflow testing
+│   └── history/
+│       ├── PHASE_1_COMPLETE.md        ← Phase 1 completion
+│       ├── PHASE_2_COMPLETE.md        ← Phase 2 completion
+│       └── ...                        ← Development history
+│
+├── workflows/                          ← n8n workflow files
+│   ├── trading/                       ← Main trading workflows
+│   ├── analytics/                     ← Analytics workflows
+│   └── telegram/                      ← Telegram bot workflows
+│
+├── scripts/                           ← Utility scripts
+│   ├── docker/                        ← Docker helpers
+│   ├── setup/                         ← Setup scripts
+│   └── testing/                       ← Test scripts
+│
+├── tests/                             ← Test files
+│
 ├── app/
 │   ├── layout.tsx                      ← Root layout
 │   ├── globals.css                     ← Tailwind styles
@@ -312,8 +338,8 @@ traderv4/
 ├── config/
 │   └── trading.ts                      ← Market configurations
 │
-├── n8n-complete-workflow.json          ← Full n8n workflow
-└── n8n-trader-workflow.json            ← Alternative workflow
+├── prisma/
+│   └── schema.prisma                   ← Database schema
 ```
 
 ---
@@ -323,15 +349,12 @@ traderv4/
 | Document | Purpose |
 |----------|---------|
 | `README.md` | This overview |
-| `QUICKREF_PHASE2.md` | Quick reference card |
-| `SETUP.md` | Detailed setup instructions |
-| `TESTING.md` | Comprehensive testing guide |
-| `PHASE_2_COMPLETE.md` | Phase 2 feature overview |
-| `PHASE_2_SUMMARY.md` | Detailed Phase 2 summary |
-
-**Root documentation:**
-- `../TRADING_BOT_V4_MANUAL.md` - Complete manual
-- `../QUICKSTART_V4.md` - Quick start guide
+| `docs/setup/SETUP.md` | Detailed setup instructions |
+| `docs/setup/DOCKER.md` | Docker deployment guide |
+| `docs/setup/TELEGRAM_BOT_README.md` | Telegram bot setup |
+| `docs/guides/TESTING.md` | Comprehensive testing guide |
+| `docs/history/PHASE_2_COMPLETE.md` | Phase 2 feature overview |
+| `workflows/trading/` | n8n workflow files |
 - `../N8N_SETUP_GUIDE.md` - n8n configuration
 
 ---