docs: split mermaid into 3 diagrams (Option A/B/C), fix Quick Start numbering

Author: annawiewer

README.md

@@ -22,40 +22,46 @@ AI-powered Oktoberfest reservation monitor — watches 38 beer tent portals, ale
 
 Three ways to use Wiesn-Agent:
 
+**Option A — Web Dashboard** (`wiesn-agent web` / Docker)
+
+```mermaid
+graph LR
+    SCAN["🔍 Scanner\n38 portals"] -->|found slots| DASH["🍺 Dashboard"]
+    DASH -->|approve| FILL["🤖 AI pre-fills form"]
+    FILL -->|never submits| YOU["✋ You click submit"]
+    DASH -->|decline| SCAN
+```
+
+**Option B — MCP Tools** (VS Code Copilot, Claude Desktop, Cursor, …)
+
+```mermaid
+graph LR
+    AI["💬 Copilot / Claude"] -->|MCP| TOOLS["15 browser tools"]
+    TOOLS --> YOU["✋ You click submit"]
+```
+
+**Option C — CLI Workflow** (`wiesn-agent once/watch`)
+
 ```mermaid
-graph TD
-    subgraph "① Web Dashboard"
-        SCAN["🔍 Scanner\n38 portals"] -->|found slots| DASH["🍺 Dashboard"]
-        DASH -->|approve| FILL["🤖 AI pre-fills form"]
-        FILL -->|never submits| YOU["✋ You click submit"]
-        DASH -->|decline| SCAN
-    end
-
-    subgraph "② MCP Tools"
-        AI["💬 Copilot / Claude"] -->|MCP| TOOLS["15 browser tools"]
-        TOOLS --> YOU2["✋ You click submit"]
-    end
-
-    subgraph "③ CLI Workflow"
-        MON["Monitor"] --> ANA["Analyzer"] --> NOT["Notifier"] --> APP["You approve?"]
-        APP -->|yes| FILL2["Filler"]
-        APP -->|no| MON
-    end
+graph LR
+    MON["Monitor"] --> ANA["Analyzer"] --> NOT["Notifier"] --> APP["You approve?"]
+    APP -->|yes| FILL["Filler"]
+    APP -->|no| MON
 ```
 
-All three modes share the same scanner, tools, and config. Forms are **never submitted automatically**.
+All three options share the same scanner, tools, and config. Forms are **never submitted automatically**.
 
 ## Quick Start
 
-### Option A: Docker (recommended — zero setup)
+### 1. Docker (recommended — zero setup)
 
 ```bash
 git clone https://github.com/annawiewer/wiesn-agent.git && cd wiesn-agent
 cp config.example.yaml config.yaml   # edit with your details
 docker compose up                    # → http://localhost:5000
 ```
 
-### Option B: Manual
+### 2. Manual
 
 ```bash
 git clone https://github.com/annawiewer/wiesn-agent.git && cd wiesn-agent