Phase 1: Repository & Infrastructure Setup

- Renamed directories: codex-rs -> llmx-rs, codex-cli -> llmx-cli
- Updated package.json files:
  - Root: llmx-monorepo
  - CLI: @llmx/llmx
  - SDK: @llmx/llmx-sdk
- Updated pnpm workspace configuration
- Renamed binary: codex.js -> llmx.js
- Updated environment variables: CODEX_* -> LLMX_*
- Changed repository URLs to valknar/llmx

🤖 Generated with Claude Code

llmx-rs/execpolicy/src/exec_call.rs

@@ -0,0 +1,28 @@
+use std::fmt::Display;
+
+use serde::Serialize;
+
+#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
+pub struct ExecCall {
+    pub program: String,
+    pub args: Vec<String>,
+}
+
+impl ExecCall {
+    pub fn new(program: &str, args: &[&str]) -> Self {
+        Self {
+            program: program.to_string(),
+            args: args.iter().map(|&s| s.into()).collect(),
+        }
+    }
+}
+
+impl Display for ExecCall {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.program)?;
+        for arg in &self.args {
+            write!(f, " {arg}")?;
+        }
+        Ok(())
+    }
+}