feat(storage): persist requested language at meeting creation (T8.7, M4.2)

src-tauri/src/storage/mod.rs

@@ -42,6 +42,12 @@ pub struct NewMeeting {
     /// re-rendering notes.md on reprocess/resume reapplies the same
     /// section structure instead of losing it.
     pub template_id: Option<String>,
+    /// Transcription language requested at recording start (T8.7, FR-TRX-4):
+    /// `None` means auto-detect. Recorded immediately (not just at
+    /// `finalize_meeting`) so a crash-recovered `recovering` meeting still
+    /// knows what was asked for; `finalize_meeting`'s `language` overwrites
+    /// this with whatever whisper.cpp actually resolved/detected.
+    pub language: Option<String>,
 }
 
 /// `list_meetings` filters (Phase 8, FR-SEARCH-2). All fields are ANDed
@@ -703,8 +709,8 @@ impl Store for SqliteStore {
         let audio_path = folder.join("audio.wav");
         let now = now_unix();
         sqlx::query(
-            "INSERT INTO meetings (id, title, started_at, folder_path, audio_path, status, calendar_event_id, template_id, created_at, updated_at)
-             VALUES (?, ?, ?, ?, ?, 'recording', ?, ?, ?, ?)",
+            "INSERT INTO meetings (id, title, started_at, folder_path, audio_path, status, calendar_event_id, template_id, language, created_at, updated_at)
+             VALUES (?, ?, ?, ?, ?, 'recording', ?, ?, ?, ?, ?)",
         )
         .bind(&id)
         .bind(&m.title)
@@ -713,6 +719,7 @@ impl Store for SqliteStore {
         .bind(audio_path.display().to_string())
         .bind(&m.calendar_event_id)
         .bind(&m.template_id)
+        .bind(&m.language)
         .bind(now)
         .bind(now)
         .execute(&self.pool)
@@ -1785,6 +1792,60 @@ mod tests {
         }
     }
 
+    /// T8.7/FR-TRX-4: the language requested at `create_meeting` is visible
+    /// immediately (not just after `finalize_meeting`) — a crash-recovered
+    /// `recovering` meeting still knows what was asked for.
+    #[tokio::test]
+    async fn create_meeting_persists_the_requested_language_immediately() {
+        let store = SqliteStore::connect_in_memory().await.unwrap();
+        let id = store
+            .create_meeting(NewMeeting {
+                title: "Reunión semanal".to_string(),
+                calendar_event_id: None,
+                template_id: None,
+                language: Some("es".to_string()),
+            })
+            .await
+            .unwrap();
+        let meeting = store.get_meeting(&id).await.unwrap();
+        assert_eq!(meeting.language.as_deref(), Some("es"));
+    }
+
+    /// `finalize_meeting` overwrites whatever `create_meeting` stored with
+    /// the language whisper.cpp actually resolved/detected (T8.7, FR-TRX-4)
+    /// — e.g. "auto" mode's detected result, or an English-only model's
+    /// forced "en".
+    #[tokio::test]
+    async fn finalize_meeting_overwrites_the_requested_language_with_the_resolved_one() {
+        let store = SqliteStore::connect_in_memory().await.unwrap();
+        let id = store
+            .create_meeting(NewMeeting {
+                title: "Auto-detect meeting".to_string(),
+                calendar_event_id: None,
+                template_id: None,
+                language: None, // requested "auto"
+            })
+            .await
+            .unwrap();
+        store
+            .finalize_meeting(
+                &id,
+                FinalizeMeeting {
+                    segments: Vec::new(),
+                    speakers: Vec::new(),
+                    duration_secs: 42,
+                    recorded: false,
+                    language: Some("fr".to_string()), // what auto-detect resolved to
+                    backend_used: Some("cpu".to_string()),
+                    model_used: Some("small-q5_1".to_string()),
+                },
+            )
+            .await
+            .unwrap();
+        let meeting = store.get_meeting(&id).await.unwrap();
+        assert_eq!(meeting.language.as_deref(), Some("fr"));
+    }
+
     #[tokio::test]
     async fn rename_meeting_updates_the_title() {
         let store = SqliteStore::connect_in_memory().await.unwrap();
@@ -1793,6 +1854,7 @@ mod tests {
                 title: "Untitled meeting".to_string(),
                 calendar_event_id: None,
                 template_id: None,
+                language: None,
             })
             .await
             .unwrap();
@@ -1818,6 +1880,7 @@ mod tests {
                 title: "Untitled meeting".to_string(),
                 calendar_event_id: None,
                 template_id: None,
+                language: None,
             })
             .await
             .unwrap();
@@ -1862,6 +1925,7 @@ mod tests {
                 title: "Untitled meeting".to_string(),
                 calendar_event_id: None,
                 template_id: None,
+                language: None,
             })
             .await
             .unwrap();