feat(history): add Tauri commands for transcript persistence and FTS5 search

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

crates/storage/src/database.rs

@@ -114,6 +114,64 @@ pub async fn delete_transcript(pool: &SqlitePool, id: &str) -> Result<()> {
     Ok(())
 }
 
+// --- Segment CRUD ---
+
+/// Batch insert segments for a transcript.
+pub async fn insert_segments(
+    pool: &SqlitePool,
+    transcript_id: &str,
+    segments: &[(f64, f64, &str)],
+) -> Result<()> {
+    for (start, end, text) in segments {
+        sqlx::query(
+            "INSERT INTO segments (transcript_id, start_time, end_time, text) VALUES (?, ?, ?, ?)",
+        )
+        .bind(transcript_id)
+        .bind(start)
+        .bind(end)
+        .bind(text)
+        .execute(pool)
+        .await
+        .map_err(|e| KonError::StorageError(format!("Insert segment failed: {e}")))?;
+    }
+    Ok(())
+}
+
+/// Row type for segment query results.
+#[derive(Debug, Clone)]
+pub struct SegmentRow {
+    pub id: i64,
+    pub transcript_id: String,
+    pub start_time: f64,
+    pub end_time: f64,
+    pub text: String,
+}
+
+/// Retrieve all segments for a transcript, ordered by start time.
+pub async fn get_segments(
+    pool: &SqlitePool,
+    transcript_id: &str,
+) -> Result<Vec<SegmentRow>> {
+    let rows = sqlx::query(
+        "SELECT id, transcript_id, start_time, end_time, text FROM segments WHERE transcript_id = ? ORDER BY start_time ASC",
+    )
+    .bind(transcript_id)
+    .fetch_all(pool)
+    .await
+    .map_err(|e| KonError::StorageError(format!("Get segments failed: {e}")))?;
+
+    Ok(rows
+        .into_iter()
+        .map(|r| SegmentRow {
+            id: r.get("id"),
+            transcript_id: r.get("transcript_id"),
+            start_time: r.get("start_time"),
+            end_time: r.get("end_time"),
+            text: r.get("text"),
+        })
+        .collect())
+}
+
 // --- Task CRUD ---
 
 pub async fn insert_task(
@@ -136,25 +194,12 @@ pub async fn insert_task(
 
 pub async fn list_tasks(pool: &SqlitePool) -> Result<Vec<TaskRow>> {
     let rows =
-        sqlx::query("SELECT id, text, bucket, list_id, effort, done, done_at, created_at, source_transcript_id FROM tasks ORDER BY created_at DESC")
+        sqlx::query("SELECT id, text, bucket, list_id, effort, done, done_at, created_at, source_transcript_id, priority, project, status, updated_at, sort_order, notes FROM tasks ORDER BY sort_order ASC, created_at DESC")
             .fetch_all(pool)
             .await
             .map_err(|e| KonError::StorageError(format!("List tasks failed: {e}")))?;
 
-    Ok(rows
-        .into_iter()
-        .map(|r| TaskRow {
-            id: r.get("id"),
-            text: r.get("text"),
-            bucket: r.get("bucket"),
-            list_id: r.get("list_id"),
-            effort: r.get("effort"),
-            done: r.get("done"),
-            done_at: r.get("done_at"),
-            created_at: r.get("created_at"),
-            source_transcript_id: r.get("source_transcript_id"),
-        })
-        .collect())
+    Ok(rows.into_iter().map(task_row_from).collect())
 }
 
 pub async fn complete_task(pool: &SqlitePool, id: &str) -> Result<()> {
@@ -175,6 +220,180 @@ pub async fn delete_task(pool: &SqlitePool, id: &str) -> Result<()> {
     Ok(())
 }
 
+// --- Task v2 CRUD (extended fields) ---
+
+/// Insert a task with all v2 fields.
+pub async fn insert_task_v2(
+    pool: &SqlitePool,
+    id: &str,
+    text: &str,
+    priority: &str,
+    project: Option<&str>,
+    status: &str,
+    bucket: &str,
+    effort: Option<&str>,
+    source_transcript_id: Option<&str>,
+    sort_order: i64,
+) -> Result<()> {
+    sqlx::query(
+        "INSERT INTO tasks (id, text, priority, project, status, bucket, effort, source_transcript_id, sort_order)
+         VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
+    )
+    .bind(id)
+    .bind(text)
+    .bind(priority)
+    .bind(project)
+    .bind(status)
+    .bind(bucket)
+    .bind(effort)
+    .bind(source_transcript_id)
+    .bind(sort_order)
+    .execute(pool)
+    .await
+    .map_err(|e| KonError::StorageError(format!("Insert task v2 failed: {e}")))?;
+    Ok(())
+}
+
+/// Update a task's mutable fields, setting updated_at to now.
+pub async fn update_task_v2(
+    pool: &SqlitePool,
+    id: &str,
+    text: &str,
+    priority: &str,
+    project: Option<&str>,
+    status: &str,
+    bucket: &str,
+    effort: Option<&str>,
+    notes: &str,
+) -> Result<()> {
+    sqlx::query(
+        "UPDATE tasks SET text = ?, priority = ?, project = ?, status = ?, bucket = ?, effort = ?, notes = ?, updated_at = datetime('now') WHERE id = ?",
+    )
+    .bind(text)
+    .bind(priority)
+    .bind(project)
+    .bind(status)
+    .bind(bucket)
+    .bind(effort)
+    .bind(notes)
+    .bind(id)
+    .execute(pool)
+    .await
+    .map_err(|e| KonError::StorageError(format!("Update task v2 failed: {e}")))?;
+    Ok(())
+}
+
+/// Reorder tasks by setting sort_order based on position in the given ID list.
+pub async fn reorder_tasks(pool: &SqlitePool, task_ids: &[String]) -> Result<()> {
+    for (i, id) in task_ids.iter().enumerate() {
+        sqlx::query("UPDATE tasks SET sort_order = ?, updated_at = datetime('now') WHERE id = ?")
+            .bind(i as i64)
+            .bind(id)
+            .execute(pool)
+            .await
+            .map_err(|e| KonError::StorageError(format!("Reorder tasks failed: {e}")))?;
+    }
+    Ok(())
+}
+
+/// List tasks filtered by status, with a limit.
+pub async fn list_tasks_by_status(
+    pool: &SqlitePool,
+    status: &str,
+    limit: i64,
+) -> Result<Vec<TaskRow>> {
+    let rows = sqlx::query(
+        "SELECT id, text, bucket, list_id, effort, done, done_at, created_at, source_transcript_id, priority, project, status, updated_at, sort_order, notes
+         FROM tasks WHERE status = ?
+         ORDER BY sort_order ASC, created_at DESC
+         LIMIT ?",
+    )
+    .bind(status)
+    .bind(limit)
+    .fetch_all(pool)
+    .await
+    .map_err(|e| KonError::StorageError(format!("List tasks by status failed: {e}")))?;
+
+    Ok(rows.into_iter().map(task_row_from).collect())
+}
+
+// --- FTS5 Search ---
+
+/// Full-text search across transcripts using the FTS5 virtual table.
+pub async fn search_transcripts(
+    pool: &SqlitePool,
+    query: &str,
+    limit: i64,
+) -> Result<Vec<TranscriptRow>> {
+    let rows = sqlx::query(
+        "SELECT t.id, t.text, t.source, t.title, t.audio_path, t.duration, t.engine, t.model_id, t.inference_ms, t.sample_rate, t.audio_channels, t.format_mode, t.remove_fillers, t.british_english, t.anti_hallucination, t.created_at
+         FROM transcripts t
+         JOIN transcripts_fts fts ON t.rowid = fts.rowid
+         WHERE transcripts_fts MATCH ?1
+         ORDER BY rank
+         LIMIT ?2",
+    )
+    .bind(query)
+    .bind(limit)
+    .fetch_all(pool)
+    .await
+    .map_err(|e| KonError::StorageError(format!("FTS search failed: {e}")))?;
+
+    Ok(rows.iter().map(transcript_row_from).collect())
+}
+
+// --- Timer State Persistence ---
+
+/// Save or replace the active timer state.
+pub async fn save_timer_state(
+    pool: &SqlitePool,
+    task_id: &str,
+    total_seconds: i64,
+    remaining_seconds: i64,
+    paused: bool,
+) -> Result<()> {
+    sqlx::query(
+        "INSERT OR REPLACE INTO timer_state (id, task_id, total_seconds, remaining_seconds, paused)
+         VALUES ('active', ?, ?, ?, ?)",
+    )
+    .bind(task_id)
+    .bind(total_seconds)
+    .bind(remaining_seconds)
+    .bind(paused)
+    .execute(pool)
+    .await
+    .map_err(|e| KonError::StorageError(format!("Save timer state failed: {e}")))?;
+    Ok(())
+}
+
+/// Retrieve the currently active timer state, if any.
+pub async fn get_timer_state(pool: &SqlitePool) -> Result<Option<TimerStateRow>> {
+    let row = sqlx::query(
+        "SELECT id, task_id, total_seconds, remaining_seconds, started_at, paused FROM timer_state WHERE id = 'active'",
+    )
+    .fetch_optional(pool)
+    .await
+    .map_err(|e| KonError::StorageError(format!("Get timer state failed: {e}")))?;
+
+    Ok(row.map(|r| TimerStateRow {
+        id: r.get("id"),
+        task_id: r.get("task_id"),
+        total_seconds: r.get("total_seconds"),
+        remaining_seconds: r.get("remaining_seconds"),
+        started_at: r.get("started_at"),
+        paused: r.get("paused"),
+    }))
+}
+
+/// Clear the active timer state (timer completed or cancelled).
+pub async fn clear_timer_state(pool: &SqlitePool) -> Result<()> {
+    sqlx::query("DELETE FROM timer_state WHERE id = 'active'")
+        .execute(pool)
+        .await
+        .map_err(|e| KonError::StorageError(format!("Clear timer state failed: {e}")))?;
+    Ok(())
+}
+
 // --- Settings CRUD ---
 
 pub async fn set_setting(pool: &SqlitePool, key: &str, value: &str) -> Result<()> {
@@ -229,6 +448,43 @@ pub struct TaskRow {
     pub done_at: Option<String>,
     pub created_at: String,
     pub source_transcript_id: Option<String>,
+    // v2 fields
+    pub priority: String,
+    pub project: Option<String>,
+    pub status: String,
+    pub updated_at: String,
+    pub sort_order: i64,
+    pub notes: String,
+}
+
+#[derive(Debug, Clone)]
+pub struct TimerStateRow {
+    pub id: String,
+    pub task_id: String,
+    pub total_seconds: i64,
+    pub remaining_seconds: i64,
+    pub started_at: String,
+    pub paused: bool,
+}
+
+fn task_row_from(r: sqlx::sqlite::SqliteRow) -> TaskRow {
+    TaskRow {
+        id: r.get("id"),
+        text: r.get("text"),
+        bucket: r.get("bucket"),
+        list_id: r.get("list_id"),
+        effort: r.get("effort"),
+        done: r.get("done"),
+        done_at: r.get("done_at"),
+        created_at: r.get("created_at"),
+        source_transcript_id: r.get("source_transcript_id"),
+        priority: r.get("priority"),
+        project: r.get("project"),
+        status: r.get("status"),
+        updated_at: r.get("updated_at"),
+        sort_order: r.get("sort_order"),
+        notes: r.get("notes"),
+    }
 }
 
 fn transcript_row_from(r: &sqlx::sqlite::SqliteRow) -> TranscriptRow {
@@ -357,6 +613,12 @@ mod tests {
         assert_eq!(tasks.len(), 1);
         assert_eq!(tasks[0].text, "Buy groceries");
         assert!(!tasks[0].done);
+        // v2 defaults should be populated
+        assert_eq!(tasks[0].priority, "medium");
+        assert_eq!(tasks[0].status, "pending");
+        assert_eq!(tasks[0].sort_order, 0);
+        assert_eq!(tasks[0].notes, "");
+        assert!(tasks[0].project.is_none());
 
         complete_task(&pool, "task1").await.unwrap();
         let tasks = list_tasks(&pool).await.unwrap();
@@ -367,6 +629,182 @@ mod tests {
         assert!(tasks.is_empty());
     }
 
+    #[tokio::test]
+    async fn task_v2_crud_roundtrip() {
+        let pool = test_pool().await;
+
+        insert_task_v2(
+            &pool,
+            "task-v2",
+            "Write unit tests",
+            "high",
+            Some("kon"),
+            "active",
+            "today",
+            Some("small"),
+            None,
+            1,
+        )
+        .await
+        .unwrap();
+
+        let tasks = list_tasks(&pool).await.unwrap();
+        assert_eq!(tasks.len(), 1);
+        assert_eq!(tasks[0].text, "Write unit tests");
+        assert_eq!(tasks[0].priority, "high");
+        assert_eq!(tasks[0].project.as_deref(), Some("kon"));
+        assert_eq!(tasks[0].status, "active");
+        assert_eq!(tasks[0].sort_order, 1);
+
+        update_task_v2(
+            &pool,
+            "task-v2",
+            "Write integration tests",
+            "medium",
+            None,
+            "done",
+            "today",
+            Some("medium"),
+            "Completed all tests",
+        )
+        .await
+        .unwrap();
+
+        let tasks = list_tasks(&pool).await.unwrap();
+        assert_eq!(tasks[0].text, "Write integration tests");
+        assert_eq!(tasks[0].priority, "medium");
+        assert!(tasks[0].project.is_none());
+        assert_eq!(tasks[0].status, "done");
+        assert_eq!(tasks[0].notes, "Completed all tests");
+    }
+
+    #[tokio::test]
+    async fn task_list_by_status() {
+        let pool = test_pool().await;
+
+        insert_task_v2(&pool, "t1", "Task A", "high", None, "pending", "inbox", None, None, 0).await.unwrap();
+        insert_task_v2(&pool, "t2", "Task B", "low", None, "active", "today", None, None, 1).await.unwrap();
+        insert_task_v2(&pool, "t3", "Task C", "medium", None, "pending", "inbox", None, None, 2).await.unwrap();
+
+        let pending = list_tasks_by_status(&pool, "pending", 10).await.unwrap();
+        assert_eq!(pending.len(), 2);
+
+        let active = list_tasks_by_status(&pool, "active", 10).await.unwrap();
+        assert_eq!(active.len(), 1);
+        assert_eq!(active[0].text, "Task B");
+    }
+
+    #[tokio::test]
+    async fn task_reorder() {
+        let pool = test_pool().await;
+
+        insert_task_v2(&pool, "t1", "First", "medium", None, "pending", "inbox", None, None, 0).await.unwrap();
+        insert_task_v2(&pool, "t2", "Second", "medium", None, "pending", "inbox", None, None, 1).await.unwrap();
+        insert_task_v2(&pool, "t3", "Third", "medium", None, "pending", "inbox", None, None, 2).await.unwrap();
+
+        // Reverse the order
+        reorder_tasks(&pool, &["t3".to_string(), "t2".to_string(), "t1".to_string()])
+            .await
+            .unwrap();
+
+        let tasks = list_tasks(&pool).await.unwrap();
+        assert_eq!(tasks[0].id, "t3");
+        assert_eq!(tasks[1].id, "t2");
+        assert_eq!(tasks[2].id, "t1");
+    }
+
+    #[tokio::test]
+    async fn fts_search_transcripts() {
+        let pool = test_pool().await;
+
+        insert_transcript(
+            &pool,
+            &InsertTranscriptParams {
+                id: "tr1",
+                text: "Meeting about the quarterly budget review",
+                source: "microphone",
+                title: Some("Budget Meeting"),
+                audio_path: None,
+                duration: 120.0,
+                engine: Some("whisper"),
+                model_id: None,
+                inference_ms: None,
+                sample_rate: None,
+                audio_channels: None,
+                format_mode: None,
+                remove_fillers: false,
+                british_english: true,
+                anti_hallucination: false,
+            },
+        )
+        .await
+        .unwrap();
+
+        insert_transcript(
+            &pool,
+            &InsertTranscriptParams {
+                id: "tr2",
+                text: "Grocery list for the weekend shop",
+                source: "microphone",
+                title: Some("Shopping"),
+                audio_path: None,
+                duration: 30.0,
+                engine: Some("whisper"),
+                model_id: None,
+                inference_ms: None,
+                sample_rate: None,
+                audio_channels: None,
+                format_mode: None,
+                remove_fillers: false,
+                british_english: true,
+                anti_hallucination: false,
+            },
+        )
+        .await
+        .unwrap();
+
+        let results = search_transcripts(&pool, "budget", 10).await.unwrap();
+        assert_eq!(results.len(), 1);
+        assert_eq!(results[0].id, "tr1");
+
+        let results = search_transcripts(&pool, "grocery", 10).await.unwrap();
+        assert_eq!(results.len(), 1);
+        assert_eq!(results[0].id, "tr2");
+
+        let results = search_transcripts(&pool, "nonexistent", 10).await.unwrap();
+        assert!(results.is_empty());
+    }
+
+    #[tokio::test]
+    async fn timer_state_persistence() {
+        let pool = test_pool().await;
+
+        // No timer state initially
+        let state = get_timer_state(&pool).await.unwrap();
+        assert!(state.is_none());
+
+        // Save timer state
+        save_timer_state(&pool, "task-1", 300, 250, false).await.unwrap();
+
+        let state = get_timer_state(&pool).await.unwrap().unwrap();
+        assert_eq!(state.task_id, "task-1");
+        assert_eq!(state.total_seconds, 300);
+        assert_eq!(state.remaining_seconds, 250);
+        assert!(!state.paused);
+
+        // Update timer state (pause)
+        save_timer_state(&pool, "task-1", 300, 200, true).await.unwrap();
+
+        let state = get_timer_state(&pool).await.unwrap().unwrap();
+        assert_eq!(state.remaining_seconds, 200);
+        assert!(state.paused);
+
+        // Clear timer
+        clear_timer_state(&pool).await.unwrap();
+        let state = get_timer_state(&pool).await.unwrap();
+        assert!(state.is_none());
+    }
+
     #[tokio::test]
     async fn settings_crud_roundtrip() {
         let pool = test_pool().await;

crates/storage/src/lib.rs

@@ -3,8 +3,10 @@ pub mod file_storage;
 pub mod migrations;
 
 pub use database::{
-    complete_task, delete_task, delete_transcript, get_setting, get_transcript, init, insert_task,
-    insert_transcript, list_tasks, list_transcripts, log_error, set_setting,
-    InsertTranscriptParams, TaskRow, TranscriptRow,
+    clear_timer_state, complete_task, delete_task, delete_transcript, get_segments,
+    get_setting, get_timer_state, get_transcript, init, insert_segments, insert_task,
+    insert_task_v2, insert_transcript, list_tasks, list_tasks_by_status, list_transcripts,
+    log_error, reorder_tasks, save_timer_state, search_transcripts, set_setting,
+    update_task_v2, InsertTranscriptParams, SegmentRow, TaskRow, TimerStateRow, TranscriptRow,
 };
 pub use file_storage::{app_data_dir, database_path, recordings_dir};

crates/storage/src/migrations.rs

@@ -73,8 +73,106 @@ const MIGRATIONS: &[(i64, &str, &str)] = &[
         CREATE INDEX IF NOT EXISTS idx_tasks_transcript ON tasks(source_transcript_id);
         CREATE INDEX IF NOT EXISTS idx_error_log_context ON error_log(context)
     "#),
+    (2, "phase 2 — task fields, FTS5, timer state", r#"
+        ALTER TABLE tasks ADD COLUMN priority TEXT NOT NULL DEFAULT 'medium';
+        ALTER TABLE tasks ADD COLUMN project TEXT;
+        ALTER TABLE tasks ADD COLUMN status TEXT NOT NULL DEFAULT 'pending';
+        ALTER TABLE tasks ADD COLUMN updated_at TEXT NOT NULL DEFAULT (datetime('now'));
+        ALTER TABLE tasks ADD COLUMN sort_order INTEGER NOT NULL DEFAULT 0;
+        ALTER TABLE tasks ADD COLUMN notes TEXT NOT NULL DEFAULT '';
+
+        CREATE VIRTUAL TABLE IF NOT EXISTS transcripts_fts USING fts5(
+            text,
+            title,
+            content='transcripts',
+            content_rowid='rowid'
+        );
+
+        CREATE TRIGGER IF NOT EXISTS transcripts_ai AFTER INSERT ON transcripts BEGIN
+            INSERT INTO transcripts_fts(rowid, text, title)
+            VALUES (new.rowid, new.text, new.title);
+        END;
+
+        CREATE TRIGGER IF NOT EXISTS transcripts_ad AFTER DELETE ON transcripts BEGIN
+            INSERT INTO transcripts_fts(transcripts_fts, rowid, text, title)
+            VALUES ('delete', old.rowid, old.text, old.title);
+        END;
+
+        CREATE TRIGGER IF NOT EXISTS transcripts_au AFTER UPDATE ON transcripts BEGIN
+            INSERT INTO transcripts_fts(transcripts_fts, rowid, text, title)
+            VALUES ('delete', old.rowid, old.text, old.title);
+            INSERT INTO transcripts_fts(rowid, text, title)
+            VALUES (new.rowid, new.text, new.title);
+        END;
+
+        CREATE TABLE IF NOT EXISTS timer_state (
+            id TEXT PRIMARY KEY DEFAULT 'active',
+            task_id TEXT NOT NULL,
+            total_seconds INTEGER NOT NULL,
+            remaining_seconds INTEGER NOT NULL,
+            started_at TEXT NOT NULL DEFAULT (datetime('now')),
+            paused INTEGER NOT NULL DEFAULT 0
+        );
+
+        CREATE INDEX IF NOT EXISTS idx_tasks_status ON tasks(status);
+        CREATE INDEX IF NOT EXISTS idx_tasks_priority ON tasks(priority);
+        CREATE INDEX IF NOT EXISTS idx_tasks_project ON tasks(project)
+    "#),
 ];
 
+/// Split SQL text into individual statements, respecting BEGIN...END blocks
+/// used by CREATE TRIGGER statements. A naive split on ';' would break
+/// triggers that contain semicolons inside their body.
+fn split_sql_statements(sql: &str) -> Vec<String> {
+    let mut statements = Vec::new();
+    let mut current = String::new();
+    let mut depth = 0; // Track BEGIN...END nesting
+
+    for fragment in sql.split(';') {
+        let trimmed = fragment.trim();
+        if trimmed.is_empty() {
+            continue;
+        }
+
+        let upper = trimmed.to_uppercase();
+
+        // Count BEGIN/END keywords to track trigger body nesting
+        if upper.contains("BEGIN") {
+            depth += 1;
+        }
+
+        if depth > 0 {
+            // Inside a BEGIN...END block — accumulate fragments
+            if !current.is_empty() {
+                current.push(';');
+            }
+            current.push_str(fragment);
+
+            if upper.trim_end().ends_with("END") {
+                depth -= 1;
+                if depth == 0 {
+                    let stmt = current.trim().to_string();
+                    if !stmt.is_empty() {
+                        statements.push(stmt);
+                    }
+                    current.clear();
+                }
+            }
+        } else {
+            // Normal statement — emit directly
+            statements.push(trimmed.to_string());
+        }
+    }
+
+    // Emit anything left over
+    let leftover = current.trim().to_string();
+    if !leftover.is_empty() {
+        statements.push(leftover);
+    }
+
+    statements
+}
+
 /// Ensure the schema_version table exists and run any pending migrations.
 pub async fn run_migrations(pool: &SqlitePool) -> Result<()> {
     sqlx::query(
@@ -97,16 +195,13 @@ pub async fn run_migrations(pool: &SqlitePool) -> Result<()> {
         if *version > current {
             log::info!("Running migration {}: {}", version, description);
 
-            let statements: Vec<&str> = sql.split(';')
-                .map(|s| s.trim())
-                .filter(|s| !s.is_empty())
-                .collect();
+            let statements = split_sql_statements(sql);
 
-            for statement in statements {
+            for statement in &statements {
                 sqlx::query(statement)
                     .execute(pool)
                     .await
-                    .map_err(|e| KonError::StorageError(format!("Migration {} failed: {e}", version)))?;
+                    .map_err(|e| KonError::StorageError(format!("Migration {} failed on statement: {e}\nSQL: {}", version, statement)))?;
             }
 
             sqlx::query("INSERT INTO schema_version (version, description) VALUES (?, ?)")
@@ -141,7 +236,7 @@ mod tests {
             .fetch_one(&pool)
             .await
             .unwrap();
-        assert_eq!(count, 1);
+        assert_eq!(count, 2);
 
         sqlx::query("INSERT INTO settings (key, value) VALUES ('test', 'value')")
             .execute(&pool)
@@ -149,6 +244,27 @@ mod tests {
             .unwrap();
     }
 
+    #[test]
+    fn test_split_sql_handles_triggers() {
+        let sql = r#"
+            ALTER TABLE tasks ADD COLUMN priority TEXT;
+
+            CREATE TRIGGER IF NOT EXISTS test_trigger AFTER INSERT ON tasks BEGIN
+                INSERT INTO log(msg) VALUES (new.id);
+            END;
+
+            CREATE TABLE IF NOT EXISTS timer (id TEXT PRIMARY KEY)
+        "#;
+
+        let stmts = split_sql_statements(sql);
+        assert_eq!(stmts.len(), 3, "Expected 3 statements, got: {stmts:#?}");
+        assert!(stmts[0].contains("ALTER TABLE"));
+        assert!(stmts[1].contains("CREATE TRIGGER"));
+        assert!(stmts[1].contains("BEGIN"));
+        assert!(stmts[1].contains("END"));
+        assert!(stmts[2].contains("CREATE TABLE"));
+    }
+
     #[tokio::test]
     async fn test_migrations_idempotent() {
         let pool = SqlitePoolOptions::new()
@@ -163,6 +279,6 @@ mod tests {
             .fetch_one(&pool)
             .await
             .unwrap();
-        assert_eq!(count, 1);
+        assert_eq!(count, 2);
     }
 }

src-tauri/Cargo.toml

@@ -36,3 +36,4 @@ tokio = { version = "1", features = ["rt", "sync"] }
 arboard = "3.6.1"
 tauri-plugin-mcp = "0.7.1"
 sqlx = { version = "0.8", features = ["sqlite", "runtime-tokio"] }
+uuid = { version = "1", features = ["v4"] }

src-tauri/src/commands/history.rs

@@ -0,0 +1,226 @@
+use serde::Serialize;
+
+use crate::AppState;
+use kon_storage::{
+    delete_transcript, get_segments, get_transcript, insert_segments, insert_transcript,
+    list_transcripts, search_transcripts, InsertTranscriptParams,
+};
+
+/// Serialisable transcript response for the frontend.
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct TranscriptResponse {
+    pub id: String,
+    pub text: String,
+    pub source: String,
+    pub title: Option<String>,
+    pub audio_path: Option<String>,
+    pub duration: f64,
+    pub engine: Option<String>,
+    pub model_id: Option<String>,
+    pub inference_ms: Option<i64>,
+    pub sample_rate: Option<i32>,
+    pub audio_channels: Option<i32>,
+    pub format_mode: Option<String>,
+    pub remove_fillers: bool,
+    pub british_english: bool,
+    pub anti_hallucination: bool,
+    pub created_at: String,
+}
+
+/// Serialisable segment response.
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SegmentResponse {
+    pub id: i64,
+    pub transcript_id: String,
+    pub start_time: f64,
+    pub end_time: f64,
+    pub text: String,
+}
+
+/// Persist a completed transcription to SQLite.
+#[tauri::command]
+pub async fn save_transcript(
+    state: tauri::State<'_, AppState>,
+    id: String,
+    text: String,
+    source: String,
+    title: Option<String>,
+    audio_path: Option<String>,
+    duration: f64,
+    engine: Option<String>,
+    model_id: Option<String>,
+    inference_ms: Option<i64>,
+    sample_rate: Option<i32>,
+    audio_channels: Option<i32>,
+    format_mode: Option<String>,
+    remove_fillers: bool,
+    british_english: bool,
+    anti_hallucination: bool,
+) -> Result<(), String> {
+    insert_transcript(
+        &state.db,
+        &InsertTranscriptParams {
+            id: &id,
+            text: &text,
+            source: &source,
+            title: title.as_deref(),
+            audio_path: audio_path.as_deref(),
+            duration,
+            engine: engine.as_deref(),
+            model_id: model_id.as_deref(),
+            inference_ms,
+            sample_rate,
+            audio_channels,
+            format_mode: format_mode.as_deref(),
+            remove_fillers,
+            british_english,
+            anti_hallucination,
+        },
+    )
+    .await
+    .map_err(|e| e.to_string())
+}
+
+/// Fetch a single transcript by ID.
+#[tauri::command]
+pub async fn get_transcript_by_id(
+    state: tauri::State<'_, AppState>,
+    id: String,
+) -> Result<Option<TranscriptResponse>, String> {
+    let row = get_transcript(&state.db, &id)
+        .await
+        .map_err(|e| e.to_string())?;
+    Ok(row.map(|r| TranscriptResponse {
+        id: r.id,
+        text: r.text,
+        source: r.source,
+        title: r.title,
+        audio_path: r.audio_path,
+        duration: r.duration,
+        engine: r.engine,
+        model_id: r.model_id,
+        inference_ms: r.inference_ms,
+        sample_rate: r.sample_rate,
+        audio_channels: r.audio_channels,
+        format_mode: r.format_mode,
+        remove_fillers: r.remove_fillers,
+        british_english: r.british_english,
+        anti_hallucination: r.anti_hallucination,
+        created_at: r.created_at,
+    }))
+}
+
+/// List transcripts, newest first.
+#[tauri::command]
+pub async fn list_all_transcripts(
+    state: tauri::State<'_, AppState>,
+    limit: i64,
+) -> Result<Vec<TranscriptResponse>, String> {
+    let rows = list_transcripts(&state.db, limit)
+        .await
+        .map_err(|e| e.to_string())?;
+    Ok(rows
+        .into_iter()
+        .map(|r| TranscriptResponse {
+            id: r.id,
+            text: r.text,
+            source: r.source,
+            title: r.title,
+            audio_path: r.audio_path,
+            duration: r.duration,
+            engine: r.engine,
+            model_id: r.model_id,
+            inference_ms: r.inference_ms,
+            sample_rate: r.sample_rate,
+            audio_channels: r.audio_channels,
+            format_mode: r.format_mode,
+            remove_fillers: r.remove_fillers,
+            british_english: r.british_english,
+            anti_hallucination: r.anti_hallucination,
+            created_at: r.created_at,
+        })
+        .collect())
+}
+
+/// Delete a transcript by ID (cascades to segments).
+#[tauri::command]
+pub async fn delete_transcript_by_id(
+    state: tauri::State<'_, AppState>,
+    id: String,
+) -> Result<(), String> {
+    delete_transcript(&state.db, &id)
+        .await
+        .map_err(|e| e.to_string())
+}
+
+/// Full-text search across transcripts via FTS5.
+#[tauri::command]
+pub async fn search_all_transcripts(
+    state: tauri::State<'_, AppState>,
+    query: String,
+    limit: i64,
+) -> Result<Vec<TranscriptResponse>, String> {
+    let rows = search_transcripts(&state.db, &query, limit)
+        .await
+        .map_err(|e| e.to_string())?;
+    Ok(rows
+        .into_iter()
+        .map(|r| TranscriptResponse {
+            id: r.id,
+            text: r.text,
+            source: r.source,
+            title: r.title,
+            audio_path: r.audio_path,
+            duration: r.duration,
+            engine: r.engine,
+            model_id: r.model_id,
+            inference_ms: r.inference_ms,
+            sample_rate: r.sample_rate,
+            audio_channels: r.audio_channels,
+            format_mode: r.format_mode,
+            remove_fillers: r.remove_fillers,
+            british_english: r.british_english,
+            anti_hallucination: r.anti_hallucination,
+            created_at: r.created_at,
+        })
+        .collect())
+}
+
+/// Batch insert segments for a transcript.
+#[tauri::command]
+pub async fn save_segments(
+    state: tauri::State<'_, AppState>,
+    transcript_id: String,
+    segments: Vec<(f64, f64, String)>,
+) -> Result<(), String> {
+    let refs: Vec<(f64, f64, &str)> = segments
+        .iter()
+        .map(|(s, e, t)| (*s, *e, t.as_str()))
+        .collect();
+    insert_segments(&state.db, &transcript_id, &refs)
+        .await
+        .map_err(|e| e.to_string())
+}
+
+/// Retrieve all segments for a transcript, ordered by start time.
+#[tauri::command]
+pub async fn get_transcript_segments(
+    state: tauri::State<'_, AppState>,
+    transcript_id: String,
+) -> Result<Vec<SegmentResponse>, String> {
+    let rows = get_segments(&state.db, &transcript_id)
+        .await
+        .map_err(|e| e.to_string())?;
+    Ok(rows
+        .into_iter()
+        .map(|r| SegmentResponse {
+            id: r.id,
+            transcript_id: r.transcript_id,
+            start_time: r.start_time,
+            end_time: r.end_time,
+            text: r.text,
+        })
+        .collect())
+}

src-tauri/src/commands/mod.rs

@@ -1,6 +1,7 @@
 pub mod audio;
 pub mod clipboard;
 pub mod hardware;
+pub mod history;
 pub mod models;
 pub mod transcription;
 pub mod windows;

src-tauri/src/commands/transcription.rs

@@ -9,6 +9,7 @@ use tauri::Emitter;
 use crate::AppState;
 use kon_ai_formatting::{post_process_segments, FormatMode, PostProcessOptions};
 use kon_core::types::{Segment, TranscriptionOptions};
+use kon_storage::InsertTranscriptParams;
 
 /// Transcribe raw PCM f32 samples (Whisper). Emits "transcription-result" event.
 #[tauri::command]
@@ -82,8 +83,9 @@ pub async fn transcribe_file(
         initial_prompt: Some(initial_prompt),
     };
 
+    let path_for_blocking = path.clone();
     let timed = tokio::task::spawn_blocking(move || {
-        let audio = kon_audio::decode_audio_file(Path::new(&path))
+        let audio = kon_audio::decode_audio_file(Path::new(&path_for_blocking))
             .map_err(|e| e.to_string())?;
         let resampled =
             kon_audio::resample_to_16khz(&audio).map_err(|e| e.to_string())?;
@@ -105,7 +107,46 @@ pub async fn transcribe_file(
         },
     );
 
+    // Auto-persist file transcription to SQLite
+    let transcript_id = uuid::Uuid::new_v4().to_string();
+    let full_text: String = segments.iter().map(|s| s.text.as_str()).collect::<Vec<_>>().join(" ");
+    let file_name = Path::new(&path)
+        .file_name()
+        .and_then(|n| n.to_str())
+        .unwrap_or("unknown");
+
+    // Best-effort persistence — don't fail the command if storage errors
+    let _ = kon_storage::insert_transcript(
+        &state.db,
+        &InsertTranscriptParams {
+            id: &transcript_id,
+            text: &full_text,
+            source: file_name,
+            title: Some(file_name),
+            audio_path: Some(&path),
+            duration: timed.transcript.duration(),
+            engine: Some("whisper"),
+            model_id: None,
+            inference_ms: Some(timed.inference_ms as i64),
+            sample_rate: Some(16000),
+            audio_channels: Some(1),
+            format_mode: Some(&format_mode),
+            remove_fillers,
+            british_english,
+            anti_hallucination,
+        },
+    )
+    .await;
+
+    // Persist segments
+    let seg_tuples: Vec<(f64, f64, &str)> = segments
+        .iter()
+        .map(|s| (s.start, s.end, s.text.as_str()))
+        .collect();
+    let _ = kon_storage::insert_segments(&state.db, &transcript_id, &seg_tuples).await;
+
     Ok(serde_json::json!({
+        "id": transcript_id,
         "segments": segments,
         "language": timed.transcript.language(),
         "duration": timed.transcript.duration(),

src-tauri/src/lib.rs

@@ -138,6 +138,14 @@ pub fn run() {
             commands::models::list_parakeet_models,
             commands::models::load_parakeet_model,
             commands::models::check_parakeet_engine,
+            // History / transcript persistence
+            commands::history::save_transcript,
+            commands::history::get_transcript_by_id,
+            commands::history::list_all_transcripts,
+            commands::history::delete_transcript_by_id,
+            commands::history::search_all_transcripts,
+            commands::history::save_segments,
+            commands::history::get_transcript_segments,
             // Transcription
             commands::transcription::transcribe_pcm,
             commands::transcription::transcribe_file,