Add Claude Code slash commands for GitHub issue workflow

.claude/commands/fix-issue.md

@@ -0,0 +1,20 @@
+---
+description: Fetch and read a GitHub issue, then implement and verify the fix
+---
+
+## Task
+
+Use the `gh` command to fetch the GitHub issue specified in the arguments, analyze the problem, implement the necessary changes, and verify the fix is complete.
+
+### Steps
+1. Extract the issue number from the arguments (format: `#123` or just `123`)
+2. Use `gh issue view <issue-number>` to fetch the issue details
+3. Understand the problem described in the issue
+4. Search the codebase for relevant files related to the issue
+5. Implement the necessary changes to fix the issue
+6. Write and run tests to verify the fix
+7. Ensure code passes linting and type checking (use `pnpm lint`)
+8. Create a descriptive commit message following the project's commit conventions
+
+### Arguments
+The command accepts an issue number (e.g., `123` or `#123`)

.claude/commands/read-issue.md

@@ -0,0 +1,17 @@
+---
+description: Fetch and read a GitHub issue using gh command
+---
+
+## Task
+
+Use the `gh` command to fetch the GitHub issue specified in the arguments and present its contents for analysis.
+
+### Steps
+1. Extract the issue number from the arguments (format: `#123` or just `123`)
+2. Use `gh issue view <issue-number>` to fetch the issue details
+3. Understand the problem described in the issue
+4. Search the codebase for relevant files related to the issue
+5. Present the issue information and relevant code context in a clear, readable format
+
+### Arguments
+The command accepts an issue number (e.g., `123` or `#123`)