chore: downgrade Kotlin to 2.1.0, add KSP support, and migrate Room to KSP

app/src/main/java/com/example/esp32aldldashboard/data/database/TelemetryDao.kt

@@ -5,17 +5,20 @@ import androidx.room.Insert
 import androidx.room.Query
 import kotlinx.coroutines.flow.Flow
 
+import kotlin.jvm.JvmSuppressWildcards
+
 @Dao
+@JvmSuppressWildcards
 interface TelemetryDao {
 
     @Insert
     suspend fun insertSession(session: SessionEntity): Long
 
     @Query("UPDATE sessions SET endTime = :endTime WHERE id = :sessionId")
-    suspend fun endSession(sessionId: Long, endTime: Long)
+    suspend fun endSession(sessionId: Long, endTime: Long): Int
 
     @Insert
-    suspend fun insertDataPoints(dataPoints: List<TelemetryDataPointEntity>)
+    suspend fun insertDataPoints(dataPoints: List<TelemetryDataPointEntity>): List<Long>
 
     @Query("SELECT * FROM sessions ORDER BY startTime DESC")
     fun getAllSessions(): Flow<List<SessionEntity>>
@@ -24,5 +27,5 @@ interface TelemetryDao {
     fun getSessionData(sessionId: Long): Flow<List<TelemetryDataPointEntity>>
 
     @Query("DELETE FROM sessions WHERE id = :sessionId")
-    suspend fun deleteSession(sessionId: Long)
+    suspend fun deleteSession(sessionId: Long): Int
 }