fix: improve job step notes and product pricing guardrails

lib/features/clinic/jobs/clinic_job_detail_screen.dart

@@ -540,10 +540,14 @@ class _StepperWidget extends StatelessWidget {
       builder: (ctx, snap) {
         final history = snap.data ?? [];
         final Map<JobStep, int> revisionCounts = {};
+        final Map<JobStep, List<JobHistoryEntry>> notesByStep = {};
         for (final e in history) {
           if (e.action == JobHistoryAction.revisionRequested && e.step != null) {
             revisionCounts[e.step!] = (revisionCounts[e.step!] ?? 0) + 1;
           }
+          if (e.step != null && e.note != null && e.note!.trim().isNotEmpty) {
+            notesByStep.putIfAbsent(e.step!, () => []).add(e);
+          }
         }
 
         return Column(
@@ -553,6 +557,7 @@ class _StepperWidget extends StatelessWidget {
             final isCompleted = index < currentStepIndex;
             final isCurrent = index == currentStepIndex;
             final revCount = revisionCounts[step] ?? 0;
+            final stepNotes = notesByStep[step] ?? const <JobHistoryEntry>[];
 
             Color dotColor;
             IconData dotIcon;
@@ -635,6 +640,10 @@ class _StepperWidget extends StatelessWidget {
                               color: AppColors.textSecondary,
                             ),
                           ),
+                        if (stepNotes.isNotEmpty) ...[
+                          const SizedBox(height: 8),
+                          ...stepNotes.map((entry) => _StepNoteCard(entry: entry)),
+                        ],
                       ],
                     ),
                   ),
@@ -648,6 +657,58 @@ class _StepperWidget extends StatelessWidget {
   }
 }
 
+class _StepNoteCard extends StatelessWidget {
+  const _StepNoteCard({required this.entry});
+
+  final JobHistoryEntry entry;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: double.infinity,
+      margin: const EdgeInsets.only(top: 6),
+      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
+      decoration: BoxDecoration(
+        color: AppColors.surfaceVariant,
+        borderRadius: BorderRadius.circular(10),
+        border: Border.all(color: AppColors.border),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            _label(entry.action),
+            style: const TextStyle(
+              fontSize: 11,
+              fontWeight: FontWeight.w700,
+              color: AppColors.textSecondary,
+            ),
+          ),
+          const SizedBox(height: 4),
+          Text(
+            entry.note!,
+            style: const TextStyle(
+              fontSize: 12,
+              color: AppColors.textPrimary,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  String _label(JobHistoryAction action) {
+    return switch (action) {
+      JobHistoryAction.revisionRequested => 'Revizyon Notu',
+      JobHistoryAction.handedToClinic => 'Laboratuvar Notu',
+      JobHistoryAction.approved => 'Onay Notu',
+      JobHistoryAction.delivered => 'Teslim Notu',
+      JobHistoryAction.accepted => 'Kabul Notu',
+      JobHistoryAction.cancelled => 'İptal Notu',
+    };
+  }
+}
+
 class _SectionLabel extends StatelessWidget {
   const _SectionLabel({required this.title});
   final String title;