feat(models): add SessionStartResponse and TrackFileUrl types

New response models for the CMAF streaming API endpoints
(session/start and file/url).

cc

crates/qbz-models/src/types.rs

@@ -116,6 +116,50 @@ pub struct StreamRestriction {
     pub code: String,
 }
 
+// ============ CMAF Stream Types ============
+
+/// Response from POST /api.json/0.2/session/start
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct SessionStartResponse {
+    pub session_id: String,
+    pub expires_at: u64,
+    #[serde(default)]
+    pub infos: Option<String>,
+}
+
+/// Response from GET /api.json/0.2/file/url (CMAF segmented streaming)
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TrackFileUrl {
+    #[serde(default)]
+    pub url_template: Option<String>,
+    #[serde(default)]
+    pub url: Option<String>,
+    #[serde(default)]
+    pub mime_type: Option<String>,
+    #[serde(default)]
+    pub n_segments: u8,
+    #[serde(default)]
+    pub key_id: Option<String>,
+    #[serde(default)]
+    pub key: Option<String>,
+    #[serde(default)]
+    pub sampling_rate: Option<u32>,
+    #[serde(default)]
+    pub bit_depth: Option<u32>,
+    #[serde(default)]
+    pub bits_depth: Option<u32>,
+    #[serde(default)]
+    pub duration: Option<f64>,
+    #[serde(default)]
+    pub n_samples: Option<u64>,
+    #[serde(default)]
+    pub format_id: Option<u32>,
+    #[serde(default)]
+    pub track_id: Option<u64>,
+    #[serde(default)]
+    pub restrictions: Vec<StreamRestriction>,
+}
+
 // ============ Image Types ============
 
 /// Image set with multiple resolutions