Function load_jsonc_file_strict

src/agents/mod.rs:1138–1157

Load a JSONC file for **editing**. Unlike [`load_jsonc_file`], this returns an error if the file exists but cannot be parsed after comment stripping, preventing silent data loss when the modified value is written back. # Error conditions - File exists but is not readable (permissions, I/O error). - File exists and has content but contains invalid JSONC. Returns `Ok(json!({}))` only when the file

(path: &Path)

///
/// Returns `Ok(json!({}))` only when the file does not exist or is empty.
pub fn load_jsonc_file_strict(path: &Path) -> Result<serde_json::Value> {
    if !path.exists() {
        return Ok(serde_json::json!({}));
    }
    let contents = std::fs::read_to_string(path).map_err(|e| TraceDecayError::Config {
        message: format!("cannot read {}: {e}", path.display()),
    })?;
    if contents.trim().is_empty() {
        return Ok(serde_json::json!({}));
    }
    let stripped = strip_jsonc_comments(&contents);
    serde_json::from_str(&stripped).map_err(|e| TraceDecayError::Config {
        message: format!(
            "cannot parse {} as JSONC: {e}\n  \
             Hint: fix the JSON syntax manually and re-run the command,\n  \
             or delete the file to start fresh",
            path.display()
        ),
    })
}

/// Returns the VS Code user data directory, platform-specific.
pub fn vscode_data_dir(home: &Path) -> PathBuf {