supercode-interchange 0.5.45

Canonical, provider-neutral session interchange primitives for Volter Harness
Documentation 
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//! `.env` in a profile folder is the vault's store: `KEY=value`, quotes
//! stripped on read, JSON-quoted on write, sorted by key.

use std::collections::BTreeMap;

/// Parse a `.env` text into its entries.
pub fn parse_dotenv(text: &str) -> BTreeMap<String, String> {
    let mut out = BTreeMap::new();
    for line in text.lines() {
        let t = line.trim();
        if t.is_empty() || t.starts_with('#') {
            continue;
        }
        let Some(eq) = t.find('=') else { continue };
        let key = t[..eq].trim().to_string();
        let mut value = t[eq + 1..].trim().to_string();
        let quoted = (value.starts_with('"') && value.ends_with('"') && value.len() >= 2)
            || (value.starts_with('\'') && value.ends_with('\'') && value.len() >= 2);
        if quoted {
            value = value[1..value.len() - 1].to_string();
        }
        out.insert(key, value);
    }
    out
}

/// Render entries as `.env` text, sorted by key, values JSON-quoted.
pub fn render_dotenv(entries: &BTreeMap<String, String>) -> String {
    let mut text = entries
        .iter()
        .map(|(k, v)| format!("{k}={}", serde_json::to_string(v).unwrap()))
        .collect::<Vec<_>>()
        .join("\n");
    if !entries.is_empty() {
        text.push('\n');
    }
    text
}