add: absorb uno-online as regular subdirectory

UNO card game web app (Node.js/React) with Miku bot integration.
Previously an independent git repo (fork of mizanxali/uno-online).
Removed .git/ and absorbed into main repo for unified tracking.

Includes bot integration code: botActionExecutor, cardParser,
gameStateBuilder, and server-side bot action support.
37 files, node_modules excluded via local .gitignore.

uno-online/QUICK_START_BOT.md

@@ -0,0 +1,108 @@
+# 🎴 Quick Start: Bot Control via JSON
+
+## TL;DR
+Miku can now play UNO by sending JSON commands! The game outputs state as JSON, and Miku responds with action JSON.
+
+## JSON Action Format
+
+```json
+// Play a number/action card
+{"action": "play", "card": "4R"}
+
+// Play a wild card (must specify color)
+{"action": "play", "card": "W", "color": "R"}
+
+// Draw a card
+{"action": "draw"}
+
+// Call UNO (when you have 2 cards)
+{"action": "uno"}
+
+// Play card + call UNO in one action
+{"action": "play", "card": "4R", "callUno": true}
+```
+
+## Card Codes Cheat Sheet
+- Numbers: `0R`-`9R` (red), `0G`-`9G` (green), `0B`-`9B` (blue), `0Y`-`9Y` (yellow)
+- Skip: `skipR`, `skipG`, `skipB`, `skipY`
+- Reverse: `_R`, `_G`, `_B`, `_Y`
+- Draw 2: `D2R`, `D2G`, `D2B`, `D2Y`
+- Wild: `W`
+- Wild Draw 4: `D4W`
+
+## Colors
+- `R` = Red
+- `G` = Green  
+- `B` = Blue
+- `Y` = Yellow
+
+## HTTP API
+
+```bash
+# Get game state
+GET http://localhost:5000/api/game/\{roomCode\}/state
+
+# Send bot action
+POST http://localhost:5000/api/game/\{roomCode\}/action
+Content-Type: application/json
+
+{"action": "play", "card": "4R"}
+```
+
+## Test It
+
+```bash
+# Create a game in browser with room code "TEST01"
+# Join with 2nd player
+# When it's Player 2's turn:
+
+node test-bot-action.js TEST01 '{"action":"draw"}'
+node test-bot-action.js TEST01 '{"action":"play","card":"4R"}'
+node test-bot-action.js TEST01 '{"action":"play","card":"W","color":"B"}'
+```
+
+## For Miku Bot Integration
+
+```python
+import requests
+
+# Get state
+state = requests.get('http://localhost:5000/api/game/TEST01/state').json()
+
+# Make move
+action = {"action": "play", "card": "4R"}
+response = requests.post(
+    'http://localhost:5000/api/game/TEST01/action',
+    json=action
+).json()
+```
+
+## Game State JSON Structure
+
+```json
+{
+  "game": {"currentTurn": "Player 2", "isOver": false},
+  "currentCard": {"code": "4G", "color": "G", "value": 4},
+  "player2": {
+    "cards": [...],           // Your cards
+    "playableCards": [...],   // Cards you can play right now
+    "cardCount": 7
+  },
+  "player1": {
+    "cardCount": 7            // Opponent's card count (cards hidden)
+  },
+  "botContext": {
+    "canPlay": true,          // Can you play a card?
+    "mustDraw": false,        // Must you draw?
+    "hasUno": false          // Do you have 1 card?
+  }
+}
+```
+
+## Strategy Tips
+1. Check `player2.playableCards` for valid moves
+2. Call UNO when you have 2 cards and are about to play one
+3. For wild cards, choose color you have most of
+4. Play Draw 2/Draw 4 when opponent has few cards
+
+📖 See `BOT_ACTION_SPEC.md` for full documentation