feat: 导出 SproutClaw .sproutclaw 配置

包含 extensions、skills、prompts、settings、auth、models、mcp 等配置。
排除 node_modules、npm 缓存、sessions 等运行时数据。

agent/skills-disabled/ppt-master/examples/ppt169_cangzhuo/spec_lock.md

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+# Execution Lock
+
+## canvas
+- viewBox: 0 0 1280 720
+- format: PPT 16:9
+
+## colors
+- bg: #F5F1E8
+- secondary_bg: #EFEAD9
+- primary: #1A1A1A
+- accent: #A52A2A
+- text: #1A1A1A
+- text_secondary: #5C5852
+- text_tertiary: #8B8680
+- border: #C8C0AE
+- image_rendering: ink-notes
+- image_palette: mono-ink
+
+## typography
+- font_family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif
+- title_family: KaiTi, Georgia, serif
+- body_family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif
+- emphasis_family: KaiTi, Georgia, serif
+- code_family: Consolas, "Courier New", monospace
+- body: 24
+- title: 40
+- subtitle: 32
+- cover_title: 80
+- chapter_title: 60
+- hero_quote: 48
+- annotation: 18
+- footer: 14
+
+## icons
+- library: tabler-outline
+- stroke_width: 1.5
+- inventory: quote, eye-off, sword, shield, hourglass, mountain, heart, point
+
+## images
+- cover_bg: images/cover_bg.png
+- yinzi_bg: images/yinzi_bg.png
+- hanxin_bridge: images/hanxin_bridge.png
+- qianlong_pool: images/qianlong_pool.png
+- zengguofan_lamp: images/zengguofan_lamp.png
+- closing_mountain: images/closing_mountain.png
+
+## page_rhythm
+- P01: anchor
+- P02: breathing
+- P03: dense
+- P04: dense
+- P05: breathing
+- P06: dense
+- P07: dense
+- P08: anchor
+- P09: dense
+- P10: breathing
+- P11: dense
+- P12: anchor
+- P13: dense
+- P14: anchor
+
+## page_charts
+- P11: pros_cons_chart
+- P13: vertical_list
+
+## forbidden
+- Mixing icon libraries
+- rgba()
+- `<style>`, `class`, `<foreignObject>`, `textPath`, `@font-face`, `<animate*>`, `<script>`, `<iframe>`, `<symbol>`+`<use>`
+- `<g opacity>` (set opacity on each child element individually)
+- HTML named entities in text — write as raw Unicode; XML reserved chars escaped as `&amp; &lt; &gt; &quot; &apos;`