chore(008): 纳入 Claude Code / claw-code 源码素材并忽略缓存文件

- 收录 008 文章分析用的两份源码(claude-code-source-code、claw-code),
  已移除其内嵌 .git,作为普通素材文件入库
- .gitignore 增加 .DS_Store、__pycache__/、*.pyc,屏蔽系统与缓存噪音

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

articles/008/claude-code-source-code/tools/OverflowTestTool/OverflowTestTool.js

@@ -0,0 +1,3 @@
+// Auto-generated stub
+export default function OverflowTestTool() {}
+export const OverflowTestTool = () => {}

articles/008/claude-code-source-code/tools/TerminalCaptureTool/prompt.js

@@ -0,0 +1,3 @@
+// Auto-generated stub
+export default function prompt() {}
+export const prompt = () => {}

articles/008/claude-code-source-code/tools/TungstenTool/TungstenTool.js

@@ -0,0 +1,3 @@
+// Auto-generated stub
+export default function TungstenTool() {}
+export const TungstenTool = () => {}

articles/008/claude-code-source-code/tools/VerifyPlanExecutionTool/constants.js

@@ -0,0 +1,3 @@
+// Auto-generated stub
+export default function constants() {}
+export const constants = () => {}

articles/008/claude-code-source-code/tools/WorkflowTool/constants.js

@@ -0,0 +1,3 @@
+// Auto-generated stub
+export default function constants() {}
+export const constants = () => {}