fix: resolve compilation error and warnings in Rust backend (#95)

* fix: resolve compilation error and warnings in Rust backend

- Fix syntax error in directive.rs phase_replanning (bad merge created
  duplicate code blocks with broken `.await {` syntax)
- Remove unused imports: WorktreeError, DaemonReauthStatus, ratatui::prelude
- Prefix unused variables with underscore: claude_command, content, owner_id
- Suppress unused_assignments warning on final_exit_code
- Add #[allow(unused_imports)] for cfg(unix) CommandExt imports

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* WIP: heartbeat checkpoint

* fix: suppress remaining compiler warnings for clean build

- Add #[allow(dead_code)] for unused but intentionally kept functions
- Remove useless self-assignments in listen handler
- Fixes: truncate_string, checkout_commit, handle_get_worktree_diff,
  default_max_retries, STREAM_CHUNK_MS, listen(), MessageResponse.role

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/makima/src/daemon/storage/patch.rs b/makima/src/daemon/storage/patch.rs
index 05c45a3..c9bc6f5 100644
--- a/makima/src/daemon/storage/patch.rs
+++ b/makima/src/daemon/storage/patch.rs
@@ -387,6 +387,7 @@ fn parse_diff_stat(stat_output: &str) -> (usize, usize) {
 }
 
 /// Checkout a specific commit in the worktree.
+#[allow(dead_code)]
 pub async fn checkout_commit(worktree_path: &Path, sha: &str) -> Result<(), PatchError> {
     let output = Command::new("git")
         .current_dir(worktree_path)