refactor(sessions): show job name in automation groups and preserve action labels

app/src/main/java/com/m57/hermescontrol/ui/sessions/AutomationSessionGroup.kt

@@ -6,6 +6,7 @@ internal data class AutomationSessionGroup(
     val key: String,
     val jobId: String?,
     val sessions: List<SessionInfo>,
+    val title: String? = null,
 )
 
 // cron.scheduler mints durable run IDs as cron_{job_id}_{YYYYMMDD_HHMMSS}.
@@ -20,9 +21,18 @@ internal fun automationGroups(sessions: List<SessionInfo>): List<AutomationSessi
                 if (session.source == "cron") CRON_RUN_ID.matchEntire(session.id)?.groupValues?.get(1) else null
             jobId?.let { "job:$it" } ?: "session:${session.id}"
         }.map { (key, runs) ->
+            val jobId = key.takeIf { it.startsWith("job:") }?.removePrefix("job:")
+            val title =
+                runs
+                    .mapNotNull { it.title?.takeIf(String::isNotBlank) }
+                    .firstOrNull()
+                    ?.substringBeforeLast(" · ")
+                    ?.trim()
+                    ?.takeIf(String::isNotBlank)
             AutomationSessionGroup(
                 key = key,
-                jobId = key.takeIf { it.startsWith("job:") }?.removePrefix("job:"),
+                jobId = jobId,
+                title = title,
                 sessions = runs,
             )
         }

app/src/main/java/com/m57/hermescontrol/ui/sessions/SessionsScreen.kt

@@ -617,7 +617,7 @@ fun SessionsScreen(
                                 modifier = Modifier.size(18.dp),
                             )
                             Spacer(modifier = Modifier.width(spacing.xs))
-                            Text(stringResource(R.string.sessions_empty_cleanup_all_history))
+                            Text(stringResource(R.string.sessions_empty_cleanup_desc))
                         }
                     }
                 }
@@ -823,7 +823,7 @@ fun SessionsScreen(
                                                     modifier = Modifier.size(20.dp),
                                                 )
                                                 Text(
-                                                    text = stringResource(R.string.sessions_action_prune_all_history),
+                                                    text = stringResource(R.string.sessions_action_prune),
                                                     style = MaterialTheme.typography.labelMedium,
                                                     color = statusColors.warning,
                                                     fontWeight = FontWeight.SemiBold,
@@ -946,12 +946,13 @@ fun SessionsScreen(
                                                 Column {
                                                     Text(
                                                         text =
-                                                            group.jobId?.let {
-                                                                stringResource(
-                                                                    R.string.sessions_section_automation_job,
-                                                                    it,
-                                                                )
-                                                            } ?: stringResource(
+                                                            group.title
+                                                                ?: group.jobId?.let {
+                                                                    stringResource(
+                                                                        R.string.sessions_section_automation_job,
+                                                                        it,
+                                                                    )
+                                                                } ?: stringResource(
                                                                 R.string.sessions_section_automation_unknown,
                                                             ),
                                                         style = MaterialTheme.typography.titleSmall,