refactor(application): strip comments, DRY ownership check + parse_content_type

crates/application/src/iptv/deps.rs

@@ -2,7 +2,6 @@ use std::sync::Arc;
 
 use domain::ports::{ChannelQuery, ScheduleQuery};
 
-/// Dependencies for IPTV export use cases.
 pub struct IptvDeps {
     pub channel_query: Arc<dyn ChannelQuery>,
     pub schedule_query: Arc<dyn ScheduleQuery>,

crates/application/src/iptv/m3u.rs

@@ -4,9 +4,6 @@ use domain::DomainResult;
 use super::deps::IptvDeps;
 use super::queries::GetM3uQuery;
 
-/// Generate an M3U playlist for all channels.
-///
-/// Flow: fetch all channels -> delegate to domain::generate_m3u -> return string.
 pub async fn execute(deps: &IptvDeps, query: GetM3uQuery) -> DomainResult<String> {
     let channels = deps.channel_query.find_all().await?;
     let token = query.token.as_deref().unwrap_or("");

crates/application/src/iptv/queries.rs

@@ -1,8 +1,6 @@
-/// Generate an M3U playlist for all channels.
 pub struct GetM3uQuery {
     pub base_url: String,
     pub token: Option<String>,
 }
 
-/// Generate an XMLTV EPG document for all channels.
 pub struct GetXmltvQuery;

crates/application/src/iptv/xmltv.rs

@@ -8,10 +8,6 @@ use domain::DomainResult;
 use super::deps::IptvDeps;
 use super::queries::GetXmltvQuery;
 
-/// Generate an XMLTV EPG document for all channels with active schedules.
-///
-/// Flow: fetch all channels -> for each, find active schedule -> collect slots
-/// -> delegate to domain::generate_xmltv -> return string.
 pub async fn execute(deps: &IptvDeps, _query: GetXmltvQuery) -> DomainResult<String> {
     let channels = deps.channel_query.find_all().await?;
     let now = Utc::now();