fix(db): uniformiser les timestamps sqlite

closes #5

src-tauri/migrations/001_init.sql

@@ -4,7 +4,7 @@ CREATE TABLE IF NOT EXISTS projects (
     path TEXT NOT NULL,
     cloned_from TEXT,
     base_branch TEXT NOT NULL DEFAULT 'main',
-    created_at TEXT NOT NULL DEFAULT (datetime('now'))
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
 );
 
 CREATE TABLE IF NOT EXISTS tuleap_credentials (
@@ -22,7 +22,7 @@ CREATE TABLE IF NOT EXISTS watched_trackers (
     polling_interval INTEGER NOT NULL DEFAULT 10,
     agent_config_json TEXT NOT NULL,
     filters_json TEXT NOT NULL,
-    created_at TEXT NOT NULL DEFAULT (datetime('now'))
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
 );
 
 CREATE TABLE IF NOT EXISTS processed_tickets (
@@ -36,7 +36,7 @@ CREATE TABLE IF NOT EXISTS processed_tickets (
     developer_report TEXT,
     worktree_path TEXT,
     branch_name TEXT,
-    detected_at TEXT NOT NULL DEFAULT (datetime('now')),
+    detected_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
     processed_at TEXT
 );
 
@@ -49,7 +49,7 @@ CREATE TABLE IF NOT EXISTS worktrees (
     path TEXT NOT NULL,
     branch_name TEXT NOT NULL,
     status TEXT NOT NULL DEFAULT 'Active',
-    created_at TEXT NOT NULL DEFAULT (datetime('now')),
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
     merged_at TEXT,
     merged_into TEXT
 );
@@ -62,5 +62,5 @@ CREATE TABLE IF NOT EXISTS notifications (
     title TEXT NOT NULL,
     message TEXT NOT NULL,
     read INTEGER NOT NULL DEFAULT 0,
-    created_at TEXT NOT NULL DEFAULT (datetime('now'))
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
 );

src-tauri/migrations/003_add_agents.sql

@@ -4,8 +4,8 @@ CREATE TABLE IF NOT EXISTS agents (
     role TEXT NOT NULL,
     tool TEXT NOT NULL,
     custom_prompt TEXT NOT NULL DEFAULT '',
-    created_at TEXT NOT NULL DEFAULT (datetime('now')),
-    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
+    updated_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
 );
 
 ALTER TABLE watched_trackers ADD COLUMN analyst_agent_id TEXT;

src-tauri/migrations/004_default_agents.sql

@@ -12,8 +12,8 @@ SELECT
     'codex',
     '',
     1,
-    datetime('now'),
-    datetime('now')
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now'),
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now')
 WHERE NOT EXISTS (
     SELECT 1 FROM agents WHERE role = 'analyst' AND is_default = 1
 );
@@ -26,8 +26,8 @@ SELECT
     'claude_code',
     '',
     1,
-    datetime('now'),
-    datetime('now')
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now'),
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now')
 WHERE NOT EXISTS (
     SELECT 1 FROM agents WHERE role = 'developer' AND is_default = 1
 );

src-tauri/migrations/005_orchestration_modules_chat_tasks.sql

@@ -6,8 +6,8 @@ CREATE TABLE IF NOT EXISTS project_modules (
     description TEXT NOT NULL DEFAULT '',
     enabled INTEGER NOT NULL DEFAULT 1,
     config_json TEXT NOT NULL DEFAULT '{}',
-    created_at TEXT NOT NULL DEFAULT (datetime('now')),
-    updated_at TEXT NOT NULL DEFAULT (datetime('now')),
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
+    updated_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
     UNIQUE(project_id, module_key)
 );
 
@@ -19,8 +19,8 @@ CREATE TABLE IF NOT EXISTS project_live_sessions (
     agent_id TEXT NOT NULL REFERENCES agents(id),
     title TEXT NOT NULL,
     status TEXT NOT NULL DEFAULT 'active',
-    created_at TEXT NOT NULL DEFAULT (datetime('now')),
-    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
+    updated_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
 );
 
 CREATE INDEX IF NOT EXISTS idx_live_sessions_project_id ON project_live_sessions(project_id);
@@ -30,7 +30,7 @@ CREATE TABLE IF NOT EXISTS project_live_messages (
     session_id TEXT NOT NULL REFERENCES project_live_sessions(id) ON DELETE CASCADE,
     sender TEXT NOT NULL,
     content TEXT NOT NULL,
-    created_at TEXT NOT NULL DEFAULT (datetime('now'))
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
 );
 
 CREATE INDEX IF NOT EXISTS idx_live_messages_session_id ON project_live_messages(session_id);
@@ -44,7 +44,7 @@ CREATE TABLE IF NOT EXISTS project_agent_tasks (
     status TEXT NOT NULL DEFAULT 'pending',
     result TEXT,
     error TEXT,
-    created_at TEXT NOT NULL DEFAULT (datetime('now')),
+    created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
     started_at TEXT,
     finished_at TEXT
 );
@@ -71,8 +71,8 @@ SELECT
     'Surveille Tuleap et lance le pipeline analyste/developpeur.',
     1,
     '{}',
-    datetime('now'),
-    datetime('now')
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now'),
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now')
 FROM projects p;
 
 INSERT OR IGNORE INTO project_modules (
@@ -94,8 +94,8 @@ SELECT
     'Discussion live avec un agent sur le contexte du projet.',
     1,
     '{}',
-    datetime('now'),
-    datetime('now')
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now'),
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now')
 FROM projects p;
 
 INSERT OR IGNORE INTO project_modules (
@@ -117,6 +117,6 @@ SELECT
     'File de tâches asynchrones traitées par des agents pré-définis.',
     1,
     '{}',
-    datetime('now'),
-    datetime('now')
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now'),
+    strftime('%Y-%m-%dT%H:%M:%fZ', 'now')
 FROM projects p;

src-tauri/migrations/007_normalize_timestamps_rfc3339.sql

@@ -0,0 +1,93 @@
+BEGIN;
+
+UPDATE projects
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE watched_trackers
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE watched_trackers
+SET last_polled_at = strftime('%Y-%m-%dT%H:%M:%fZ', last_polled_at)
+WHERE last_polled_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', last_polled_at) IS NOT NULL;
+
+UPDATE processed_tickets
+SET detected_at = strftime('%Y-%m-%dT%H:%M:%fZ', detected_at)
+WHERE detected_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', detected_at) IS NOT NULL;
+
+UPDATE processed_tickets
+SET processed_at = strftime('%Y-%m-%dT%H:%M:%fZ', processed_at)
+WHERE processed_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', processed_at) IS NOT NULL;
+
+UPDATE worktrees
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE worktrees
+SET merged_at = strftime('%Y-%m-%dT%H:%M:%fZ', merged_at)
+WHERE merged_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', merged_at) IS NOT NULL;
+
+UPDATE notifications
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE agents
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE agents
+SET updated_at = strftime('%Y-%m-%dT%H:%M:%fZ', updated_at)
+WHERE updated_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', updated_at) IS NOT NULL;
+
+UPDATE project_modules
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE project_modules
+SET updated_at = strftime('%Y-%m-%dT%H:%M:%fZ', updated_at)
+WHERE updated_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', updated_at) IS NOT NULL;
+
+UPDATE project_live_sessions
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE project_live_sessions
+SET updated_at = strftime('%Y-%m-%dT%H:%M:%fZ', updated_at)
+WHERE updated_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', updated_at) IS NOT NULL;
+
+UPDATE project_live_messages
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE project_agent_tasks
+SET created_at = strftime('%Y-%m-%dT%H:%M:%fZ', created_at)
+WHERE created_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', created_at) IS NOT NULL;
+
+UPDATE project_agent_tasks
+SET started_at = strftime('%Y-%m-%dT%H:%M:%fZ', started_at)
+WHERE started_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', started_at) IS NOT NULL;
+
+UPDATE project_agent_tasks
+SET finished_at = strftime('%Y-%m-%dT%H:%M:%fZ', finished_at)
+WHERE finished_at IS NOT NULL
+  AND strftime('%Y-%m-%dT%H:%M:%fZ', finished_at) IS NOT NULL;
+
+COMMIT;

src-tauri/src/db.rs

@@ -7,6 +7,7 @@ const MIGRATION_003: &str = include_str!("../migrations/003_add_agents.sql");
 const MIGRATION_004: &str = include_str!("../migrations/004_default_agents.sql");
 const MIGRATION_005: &str = include_str!("../migrations/005_orchestration_modules_chat_tasks.sql");
 const MIGRATION_006: &str = include_str!("../migrations/006_processed_tickets_unique_index.sql");
+const MIGRATION_007: &str = include_str!("../migrations/007_normalize_timestamps_rfc3339.sql");
 
 pub fn init(db_path: &Path) -> Result<Connection> {
     let conn = Connection::open(db_path)?;
@@ -56,6 +57,10 @@ fn migrate(conn: &Connection) -> Result<()> {
         conn.execute_batch(MIGRATION_006)?;
         conn.pragma_update(None, "user_version", 6)?;
     }
+    if version < 7 {
+        conn.execute_batch(MIGRATION_007)?;
+        conn.pragma_update(None, "user_version", 7)?;
+    }
 
     Ok(())
 }
@@ -111,7 +116,7 @@ mod tests {
         let version: i32 = conn
             .pragma_query_value(None, "user_version", |row| row.get(0))
             .unwrap();
-        assert_eq!(version, 6);
+        assert_eq!(version, 7);
     }
 
     #[test]

src-tauri/src/models/ticket.rs

@@ -146,9 +146,10 @@ impl ProcessedTicket {
     }
 
     pub fn set_developer_report(conn: &Connection, id: &str, report: &str) -> Result<()> {
+        let now = chrono::Utc::now().to_rfc3339();
         conn.execute(
-            "UPDATE processed_tickets SET developer_report = ?1, processed_at = datetime('now') WHERE id = ?2",
-            params![report, id],
+            "UPDATE processed_tickets SET developer_report = ?1, processed_at = ?2 WHERE id = ?3",
+            params![report, now, id],
         )?;
         Ok(())
     }
@@ -177,9 +178,10 @@ impl ProcessedTicket {
     }
 
     pub fn set_error(conn: &Connection, id: &str, error_message: &str) -> Result<()> {
+        let now = chrono::Utc::now().to_rfc3339();
         conn.execute(
-            "UPDATE processed_tickets SET status = 'Error', analyst_report = COALESCE(analyst_report, '') || ?1, processed_at = datetime('now') WHERE id = ?2",
-            params![error_message, id],
+            "UPDATE processed_tickets SET status = 'Error', analyst_report = COALESCE(analyst_report, '') || ?1, processed_at = ?2 WHERE id = ?3",
+            params![error_message, now, id],
         )?;
         Ok(())
     }
@@ -378,8 +380,15 @@ mod tests {
 
         ProcessedTicket::set_developer_report(&conn, &ticket.id, "Fixed in main.rs").unwrap();
         let updated = ProcessedTicket::get_by_id(&conn, &ticket.id).unwrap();
-        assert_eq!(updated.developer_report.unwrap(), "Fixed in main.rs");
-        assert!(updated.processed_at.is_some());
+        assert_eq!(
+            updated.developer_report.as_deref(),
+            Some("Fixed in main.rs")
+        );
+        let processed_at = updated
+            .processed_at
+            .as_deref()
+            .expect("processed_at should be set");
+        assert!(chrono::DateTime::parse_from_rfc3339(processed_at).is_ok());
     }
 
     #[test]
@@ -422,6 +431,14 @@ mod tests {
         ProcessedTicket::set_error(&conn, &ticket.id, "CLI timeout after 600s").unwrap();
         let updated = ProcessedTicket::get_by_id(&conn, &ticket.id).unwrap();
         assert_eq!(updated.status, "Error");
-        assert_eq!(updated.analyst_report.unwrap(), "CLI timeout after 600s");
+        assert_eq!(
+            updated.analyst_report.as_deref(),
+            Some("CLI timeout after 600s")
+        );
+        let processed_at = updated
+            .processed_at
+            .as_deref()
+            .expect("processed_at should be set");
+        assert!(chrono::DateTime::parse_from_rfc3339(processed_at).is_ok());
     }
 }

src-tauri/src/models/tracker.rs

@@ -516,7 +516,11 @@ mod tests {
             .expect("update_last_polled should succeed");
 
         let updated = WatchedTracker::get_by_id(&conn, &created.id).unwrap();
-        assert!(updated.last_polled_at.is_some());
+        let last_polled_at = updated
+            .last_polled_at
+            .as_deref()
+            .expect("last_polled_at should be set");
+        assert!(chrono::DateTime::parse_from_rfc3339(last_polled_at).is_ok());
     }
 
     #[test]

src-tauri/src/models/worktree.rs

@@ -88,9 +88,10 @@ impl Worktree {
     }
 
     pub fn set_merged(conn: &Connection, id: &str, target_branch: &str) -> Result<()> {
+        let now = chrono::Utc::now().to_rfc3339();
         conn.execute(
-            "UPDATE worktrees SET status = 'Merged', merged_at = datetime('now'), merged_into = ?1 WHERE id = ?2",
-            params![target_branch, id],
+            "UPDATE worktrees SET status = 'Merged', merged_at = ?1, merged_into = ?2 WHERE id = ?3",
+            params![now, target_branch, id],
         )?;
         Ok(())
     }
@@ -206,7 +207,11 @@ mod tests {
         let updated = Worktree::get_by_id(&conn, &wt.id).unwrap();
         assert_eq!(updated.status, "Merged");
         assert_eq!(updated.merged_into.unwrap(), "feature/login");
-        assert!(updated.merged_at.is_some());
+        let merged_at = updated
+            .merged_at
+            .as_deref()
+            .expect("merged_at should be set");
+        assert!(chrono::DateTime::parse_from_rfc3339(merged_at).is_ok());
     }
 
     #[test]

src-tauri/src/services/poller.rs

@@ -84,12 +84,12 @@ fn should_poll(tracker: &WatchedTracker) -> bool {
         Some(s) => s,
     };
 
-    let last = match chrono::DateTime::parse_from_rfc3339(last_polled_at) {
-        Ok(dt) => dt,
-        Err(e) => {
+    let last = match parse_timestamp(last_polled_at) {
+        Some(dt) => dt,
+        None => {
             eprintln!(
-                "poller: failed to parse last_polled_at '{}': {}",
-                last_polled_at, e
+                "poller: failed to parse last_polled_at '{}': unsupported format",
+                last_polled_at
             );
             return true; // Treat as never polled on parse error
         }
@@ -99,6 +99,21 @@ fn should_poll(tracker: &WatchedTracker) -> bool {
     elapsed >= tracker.polling_interval as i64
 }
 
+fn parse_timestamp(value: &str) -> Option<chrono::DateTime<chrono::Utc>> {
+    if let Ok(dt) = chrono::DateTime::parse_from_rfc3339(value) {
+        return Some(dt.with_timezone(&chrono::Utc));
+    }
+
+    if let Ok(naive) = chrono::NaiveDateTime::parse_from_str(value, "%Y-%m-%d %H:%M:%S%.f") {
+        return Some(chrono::DateTime::<chrono::Utc>::from_naive_utc_and_offset(
+            naive,
+            chrono::Utc,
+        ));
+    }
+
+    None
+}
+
 async fn poll_single_tracker(
     db: &Arc<Mutex<Connection>>,
     client: &TuleapClient,
@@ -230,3 +245,26 @@ async fn poll_single_tracker(
         }),
     );
 }
+
+#[cfg(test)]
+mod tests {
+    use super::parse_timestamp;
+
+    #[test]
+    fn parse_timestamp_supports_rfc3339() {
+        let parsed = parse_timestamp("2026-04-16T10:15:30.123Z");
+        assert!(parsed.is_some());
+    }
+
+    #[test]
+    fn parse_timestamp_supports_legacy_sqlite_datetime() {
+        let parsed = parse_timestamp("2026-04-16 10:15:30");
+        assert!(parsed.is_some());
+    }
+
+    #[test]
+    fn parse_timestamp_rejects_invalid_values() {
+        let parsed = parse_timestamp("not-a-date");
+        assert!(parsed.is_none());
+    }
+}