Implement bounded repository navigation with repo-lens

- Add map, find, and around commands with repository root discovery
- Stream literal ripgrep searches with match counts and result limits
- Add direct subprocess execution and explicit error returns
- Disable C++ exceptions and add navigation tests
- Support CMake installation and document builds and deployment
- Add a reusable agent skill and document skill discovery

include/repo_tool_find.hpp

@@ -10,8 +10,8 @@ namespace rl
 class RepoLensToolFind final : public IRepoLensTool
 {
 public:
-    [[nodiscard]] auto execute(std::string_view args) noexcept -> exit_code override;
+	[[nodiscard]] auto execute(arguments args) noexcept -> exit_code override;
 };
-}
+} // namespace rl
 
-#endif //REPO_LENSE_TOOL_FIND_HPP_INCLUDED
+#endif // REPO_LENSE_TOOL_FIND_HPP_INCLUDED