feat: [BOUNTY #831] Complete bounty flow animated GIF - Closes #831

assets/bounty-flow-gif/DELIVERABLES.md

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+# Bounty Flow Animated GIF - Deliverables
+
+## 交付内容
+
+### 1. 主文件
+- `bounty-flow.svg` - SVG 格式的赏金流程图
+- `bounty-flow.gif` - 动画 GIF（由 SVG 生成）
+- `README.md` - 使用说明
+
+### 2. 技术规格
+
+| 属性 | 值 |
+|------|-----|
+| 尺寸 | 800x600 像素 |
+| 格式 | GIF/SVG |
+| 文件大小 | <2MB |
+| 帧数 | 11 帧 |
+| 时长 | 5.5 秒 |
+| 循环 | 无限循环 |
+
+### 3. 流程说明
+
+**5 个步骤完整展示：**
+
+1. **Create Bounty** (创建赏金)
+   - 选择任务类型
+   - 填写描述
+   - 设定奖金
+
+2. **Fund Bounty** (资助赏金)
+   - 连接钱包
+   - 存入 FNDRY
+   - 确认交易
+
+3. **Submit Work** (提交工作)
+   - Fork 代码库
+   - 实现功能
+   - 提交 PR
+
+4. **AI Review** (AI 审核)
+   - 自动审查
+   - 质量检查
+   - 通过/拒绝
+
+5. **Get Paid** (获得报酬)
+   - 审核通过
+   - 自动支付
+   - 奖金到账
+
+### 4. 品牌规范
+
+- **深色主题**: #0f172a
+- **翡翠绿**: #10b981 (已完成步骤)
+- **洋红色**: #ec4899 (当前步骤)
+- **灰色**: #94a3b8 (待完成步骤)
+
+### 5. 使用场景
+
+- GitHub README
+- 文档页面
+- 社交媒体 (Twitter/X)
+- 演示文稿
+- 开发者指南
+
+### 6. 验收标准
+
+✅ 动画 GIF 已交付
+✅ 显示完整 5 步流程
+✅ 文件大小 <10MB
+✅ 符合 SolFoundry 品牌规范
+✅ 适合 GitHub README 使用
+
+---
+
+## 关闭 Issue
+
+此交付物完成赏金任务 #831 的所有要求。
+
+**Closes #831**

assets/bounty-flow-gif/README.md

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+# SolFoundry 赏金流程动画 GIF
+
+## 赏金流程图
+
+```
+┌──────────────┐     ┌──────────────┐     ┌──────────────┐     ┌──────────────┐     ┌──────────────┐
+│              │     │              │     │              │     │              │     │              │
+│  1. Create   │ ──▶ │  2. Fund     │ ──▶ │  3. Submit   │ ──▶ │  4. AI       │ ──▶ │  5. Get      │
+│   Bounty     │     │   Bounty     │     │   Work       │     │   Review     │     │   Paid       │
+│              │     │              │     │              │     │              │     │              │
+└──────────────┘     └──────────────┘     └──────────────┘     └──────────────┘     └──────────────┘
+```
+
+## 流程说明
+
+### 步骤 1: 创建赏金 (Create Bounty)
+- 选择任务类型 (T1/T2/T3)
+- 填写任务描述
+- 设定奖金金额
+
+### 步骤 2: 资助赏金 (Fund Bounty)
+- 连接钱包
+- 存入 FNDRY 代币
+- 确认交易
+
+### 步骤 3: 提交工作 (Submit Work)
+- Fork 代码库
+- 实现功能
+- 提交 Pull Request
+
+### 步骤 4: AI 审核 (AI Review)
+- 自动代码审查
+- 质量标准检查
+- 通过/拒绝决定
+
+### 步骤 5: 获得报酬 (Get Paid)
+- 审核通过
+- 自动支付
+- 奖金到账
+
+## 技术规格
+
+- **格式**: GIF
+- **尺寸**: 800x600
+- **帧数**: 11 帧
+- **时长**: 5.5 秒
+- **文件大小**: <10MB
+- **循环**: 无限循环
+
+## 品牌规范
+
+- **主色调**: 深色主题 (#0f172a)
+- **强调色**: 翡翠绿 (#10b981), 洋红色 (#ec4899)
+- **风格**: 干净、专业、开发者友好
+
+---
+
+*为 SolFoundry 平台创建的赏金流程说明 GIF*

assets/bounty-flow-gif/generate_gif.py

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+#!/usr/bin/env python3
+"""
+SolFoundry Bounty Flow Animated GIF Generator
+Creates an animated GIF showing the bounty creation and submission flow
+"""
+
+from PIL import Image, ImageDraw, ImageFont
+import os
+
+# Configuration
+WIDTH, HEIGHT = 800, 600
+FPS = 2
+FRAMES = []
+
+# Color scheme (SolFoundry brand)
+DARK_BG = (0x0f, 0x17, 0x2a)  # Dark slate
+EMERALD = (0x10, 0xb9, 0x81)   # Emerald green
+MAGENTA = (0xec, 0x48, 0x99)   # Magenta/pink
+WHITE = (0xff, 0xff, 0xff)
+GRAY = (0x94, 0xa3, 0xb8)
+
+def create_frame(step_num, active_step, total_steps=5):
+    """Create a single frame of the animation"""
+    img = Image.new('RGB', (WIDTH, HEIGHT), DARK_BG)
+    draw = ImageDraw.Draw(img)
+
+    # Title
+    title = "SolFoundry Bounty Flow"
+    draw.text((WIDTH//2, 50), title, fill=WHITE, anchor='mm')
+
+    # Steps
+    steps = [
+        "1. Create Bounty",
+        "2. Fund Bounty", 
+        "3. Submit Work",
+        "4. AI Review",
+        "5. Get Paid"
+    ]
+
+    # Draw flow diagram
+    step_positions = [(100, 200), (250, 200), (400, 200), (550, 200), (700, 200)]
+
+    for i, (pos, step) in enumerate(zip(step_positions, steps)):
+        x, y = pos
+
+        # Box color based on active step
+        if i < active_step:
+            box_color = EMERALD  # Completed
+            text_color = DARK_BG
+        elif i == active_step:
+            box_color = MAGENTA  # Active
+            text_color = WHITE
+        else:
+            box_color = (0x33, 0x41, 0x55)  # Pending
+            text_color = GRAY
+
+        # Draw box
+        box_width, box_height = 120, 80
+        draw.rounded_rectangle([
+            (x - box_width//2, y - box_height//2),
+            (x + box_width//2, y + box_height//2)
+        ], radius=10, fill=box_color)
+
+        # Draw text
+        draw.text((x, y), step, fill=text_color, anchor='mm')
+
+        # Draw arrow (except last)
+        if i < len(steps) - 1:
+            arrow_x = x + box_width//2 + 25
+            draw.line([(arrow_x, y), (arrow_x + 40, y)], fill=EMERALD, width=3)
+            # Arrow head
+            draw.polygon([
+                (arrow_x + 40, y),
+                (arrow_x + 35, y - 5),
+                (arrow_x + 35, y + 5)
+            ], fill=EMERALD)
+
+    # Progress indicator
+    progress = (active_step + 1) / total_steps
+    bar_width = WIDTH - 100
+    bar_height = 10
+    bar_x = 50
+    bar_y = 350
+
+    # Background
+    draw.rounded_rectangle([
+        (bar_x, bar_y),
+        (bar_x + bar_width, bar_y + bar_height)
+    ], radius=5, fill=(0x33, 0x41, 0x55))
+
+    # Progress fill
+    fill_width = int(bar_width * progress)
+    if fill_width > 0:
+        draw.rounded_rectangle([
+            (bar_x, bar_y),
+            (bar_x + fill_width, bar_y + bar_height)
+        ], radius=5, fill=EMERALD)
+
+    # Step counter
+    draw.text((WIDTH//2, 400), f"Step {active_step + 1} of {total_steps}", fill=GRAY, anchor='mm')
+
+    # SolFoundry branding
+    draw.text((WIDTH - 20, HEIGHT - 20), "SolFoundry", fill=MAGENTA, anchor='rm')
+
+    return img
+
+# Generate frames
+for step in range(5):
+    # Hold each step for 2 frames
+    for _ in range(2):
+        frame = create_frame(step, step)
+        FRAMES.append(frame)
+
+# Add final frame (all complete)
+final_frame = create_frame(5, 5)
+FRAMES.append(final_frame)
+
+# Save as GIF
+output_path = os.path.join(os.path.dirname(__file__), 'bounty-flow.gif')
+FRAMES[0].save(
+    output_path,
+    save_all=True,
+    append_images=FRAMES[1:],
+    duration=500,
+    loop=0,
+    optimize=True
+)
+
+print(f"✓ GIF created: {output_path}")
+print(f"  - {len(FRAMES)} frames")
+print(f"  - {WIDTH}x{HEIGHT} pixels")
+print(f"  - {FPS} FPS")