Replace el.toml with manifest.el throughout — El manifests are El, not TOML

crates/el-config/src/config.rs

@@ -4,8 +4,8 @@
 /// for a key wins. Resolution order:
 ///   1. Environment variables (highest)
 ///   2. .env file (dev only)
-///   3. el.toml [env.<current>] section
-///   4. el.toml [config] section (base)
+///   3. manifest.el [env.<current>] section
+///   4. manifest.el [config] section (base)
 ///   5. Defaults defined in code (lowest)
 
 use std::collections::HashMap;
@@ -129,7 +129,7 @@ impl Config {
     }
 }
 
-/// Load config from an `el.toml` string.
+/// Load config from an `manifest.el` string.
 ///
 /// Reads `[config]` as the base, then overlays `[env.<environment>]`.
 pub fn load_from_toml(toml_str: &str, env: &Environment) -> Result<MapSource, ConfigError> {
@@ -155,7 +155,7 @@ pub fn load_from_toml(toml_str: &str, env: &Environment) -> Result<MapSource, Co
         }
     }
 
-    Ok(MapSource::from_map("el.toml", map))
+    Ok(MapSource::from_map("manifest.el", map))
 }
 
 fn flatten_toml_table(

crates/el-config/src/lib.rs

@@ -4,8 +4,8 @@
 //!
 //! 1. Environment variables (`EL_APP_NAME=...`)
 //! 2. `.env` file (development only)
-//! 3. `el.toml` `[env.<current>]` section
-//! 4. `el.toml` `[config]` base section
+//! 3. `manifest.el` `[env.<current>]` section
+//! 4. `manifest.el` `[config]` base section
 //! 5. Defaults defined in code
 //!
 //! ## Quick start