From e2b4c9a98c101c33b5d09f070759e5a77c9e8e61 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 14:53:28 +0530
Subject: [PATCH 01/17] feat: add structured medical insights with Gemini AI
 JSON parsing

---
 .env.example                                  |   2 -
 .../transcription/data/deepgram_service.dart  | 107 +++++++++++++-----
 .../transcription/data/gemini_service.dart    |  45 ++++++--
 .../domain/medical_insights.dart              |  27 +++++
 .../domain/transcription_model.dart           |  14 +--
 .../transcription_controller.dart             |  30 ++---
 lib/main.dart                                 |  10 +-
 pubspec.lock                                  |  58 ++++++----
 pubspec.yaml                                  |   4 +-
 9 files changed, 211 insertions(+), 86 deletions(-)
 delete mode 100644 .env.example
 create mode 100644 lib/features/transcription/domain/medical_insights.dart

diff --git a/.env.example b/.env.example
deleted file mode 100644
index 2329a2c..0000000
--- a/.env.example
+++ /dev/null
@@ -1,2 +0,0 @@
-GEMINI_API_KEY=your_gemini_api_key_here
-DEEPGRAM_API_KEY=your_deepgram_api_key_here
\ No newline at end of file
diff --git a/lib/features/transcription/data/deepgram_service.dart b/lib/features/transcription/data/deepgram_service.dart
index 4969ca8..a6a89a5 100644
--- a/lib/features/transcription/data/deepgram_service.dart
+++ b/lib/features/transcription/data/deepgram_service.dart
@@ -9,6 +9,9 @@ class DeepgramService {
 
   DeepgramService({String? apiKey}) : _apiKey = apiKey?.trim();
 
+  // =============================
+  // Resolve API Key
+  // =============================
   String _resolveApiKey() {
     final configuredKey = _apiKey;
     if (configuredKey != null && configuredKey.isNotEmpty) {
@@ -22,62 +25,108 @@ class DeepgramService {
     }
   }
 
+  // =============================
+  //  Retry Logic (Production Grade)
+  // =============================
+  Future<http.Response> _retryPost({
+    required Uri uri,
+    required Map<String, String> headers,
+    required List<int> body,
+    int retries = 3,
+  }) async {
+    for (int attempt = 0; attempt < retries; attempt++) {
+      try {
+        final response = await http
+            .post(uri, headers: headers, body: body)
+            .timeout(const Duration(seconds: 30));
+
+        if (response.statusCode == 200) {
+          return response;
+        }
+
+        // Retry only for server errors
+        if (response.statusCode >= 500) {
+          await Future.delayed(Duration(seconds: 2 * (attempt + 1)));
+          continue;
+        } else {
+          throw Exception(
+              'Deepgram failed: ${response.statusCode} - ${response.body}');
+        }
+      } on TimeoutException {
+        if (attempt == retries - 1) {
+          throw Exception('Request timed out after multiple retries');
+        }
+      } catch (e) {
+        if (attempt == retries - 1) {
+          rethrow;
+        }
+      }
+
+      // Exponential backoff
+      await Future.delayed(Duration(seconds: 2 * (attempt + 1)));
+    }
+
+    throw Exception('Failed after $retries retries');
+  }
+
+  // =============================
+  //  Main Transcription Method
+  // =============================
   Future<String> transcribe(String recordingPath) async {
     final apiKey = _resolveApiKey();
+
     if (apiKey.isEmpty) {
       throw Exception('Missing DEEPGRAM_API_KEY in environment');
     }
 
-    final uri = Uri.parse('https://api.deepgram.com/v1/listen?model=nova-2');
-
     final file = File(recordingPath);
+
     if (!await file.exists()) {
       throw Exception('Recording file not found');
     }
 
     final bytes = await file.readAsBytes();
 
-    http.Response response;
+    final uri = Uri.parse(
+      'https://api.deepgram.com/v1/listen?model=nova-2&punctuate=true&smart_format=true',
+    );
+
     try {
-      response = await http.post(
-        uri,
+      final response = await _retryPost(
+        uri: uri,
         headers: {
           'Authorization': 'Token $apiKey',
-          'Content-Type': 'audio/m4a',
+          'Content-Type': 'application/octet-stream', // 🔥 improved
         },
         body: bytes,
-      ).timeout(const Duration(seconds: 30));
-    } on TimeoutException {
-      throw Exception('Deepgram request timed out after 30 seconds');
-    }
+      );
 
-    if (response.statusCode == 200) {
-      final decodedResponse = json.decode(response.body);
+      return _parseTranscript(response.body);
+    } catch (e) {
+      throw Exception('Transcription error: $e');
+    }
+  }
 
-      if (decodedResponse is! Map<String, dynamic>) {
-        throw Exception('Deepgram returned unexpected response format');
-      }
+  // =============================
+  //  Response Parser (Robust)
+  // =============================
+  String _parseTranscript(String responseBody) {
+    try {
+      final decoded = json.decode(responseBody);
 
-      final results = decodedResponse['results'];
-      if (results is! Map<String, dynamic>) {
+      if (decoded is! Map<String, dynamic>) {
         return 'No speech detected';
       }
 
-      final channels = results['channels'];
-      if (channels is! List || channels.isEmpty || channels.first is! Map<String, dynamic>) {
-        return 'No speech detected';
-      }
+      final transcript = decoded['results']?['channels']?[0]?['alternatives']?[0]?['transcript'];
 
-      final alternatives = (channels.first as Map<String, dynamic>)['alternatives'];
-      if (alternatives is! List || alternatives.isEmpty || alternatives.first is! Map<String, dynamic>) {
-        return 'No speech detected';
+      if (transcript is String && transcript.trim().isNotEmpty) {
+        return transcript.trim();
       }
 
-      final transcript = (alternatives.first as Map<String, dynamic>)['transcript'];
-      final result = transcript is String ? transcript.trim() : '';
-      return result.isNotEmpty ? result : 'No speech detected';
-    } else {
-      throw Exception('Deepgram failed: ${response.statusCode}');
+      return 'No speech detected';
+    } catch (_) {
+      return 'Failed to parse transcription';
     }
   }
 }
\ No newline at end of file
diff --git a/lib/features/transcription/data/gemini_service.dart b/lib/features/transcription/data/gemini_service.dart
index 34ab854..235cac0 100644
--- a/lib/features/transcription/data/gemini_service.dart
+++ b/lib/features/transcription/data/gemini_service.dart
@@ -1,18 +1,45 @@
+import 'dart:convert';
+import '../domain/medical_insights.dart';
 import 'package:doc_pilot_new_app_gradel_fix/services/chatbot_service.dart';
 
 class GeminiService {
   final ChatbotService _chatbotService = ChatbotService();
 
-  Future<String> generateSummary(String transcription) async {
-    return await _chatbotService.getGeminiResponse(
-      "Generate a summary of the conversation based on this transcription: $transcription",
-    );
+  Future<MedicalInsights> generateInsights(String transcription) async {
+    final prompt = """
+Extract structured medical information from the conversation.
+
+Return ONLY valid JSON in this format:
+{
+  "summary": "short summary",
+  "symptoms": ["symptom1", "symptom2"],
+  "medicines": ["medicine1", "medicine2"]
+}
+
+Conversation:
+$transcription
+""";
+
+    final response = await _chatbotService.getGeminiResponse(prompt);
+
+    try {
+      final cleaned = _extractJson(response);
+      final jsonData = json.decode(cleaned);
+      return MedicalInsights.fromJson(jsonData);
+    } catch (e) {
+      throw Exception('Failed to parse Gemini JSON response');
+    }
   }
 
-  Future<String> generatePrescription(String transcription) async {
-    await Future.delayed(const Duration(seconds: 3));
-    return await _chatbotService.getGeminiResponse(
-      "Generate a prescription based on the conversation in this transcription: $transcription",
-    );
+  // Handles messy AI responses
+  String _extractJson(String response) {
+    final start = response.indexOf('{');
+    final end = response.lastIndexOf('}');
+
+    if (start != -1 && end != -1) {
+      return response.substring(start, end + 1);
+    }
+
+    throw Exception('Invalid JSON format from AI');
   }
 }
\ No newline at end of file
diff --git a/lib/features/transcription/domain/medical_insights.dart b/lib/features/transcription/domain/medical_insights.dart
new file mode 100644
index 0000000..8306bb5
--- /dev/null
+++ b/lib/features/transcription/domain/medical_insights.dart
@@ -0,0 +1,27 @@
+class MedicalInsights {
+  final String summary;
+  final List<String> symptoms;
+  final List<String> medicines;
+
+  MedicalInsights({
+    required this.summary,
+    required this.symptoms,
+    required this.medicines,
+  });
+
+  factory MedicalInsights.fromJson(Map<String, dynamic> json) {
+    return MedicalInsights(
+      summary: json['summary'] ?? '',
+      symptoms: List<String>.from(json['symptoms'] ?? []),
+      medicines: List<String>.from(json['medicines'] ?? []),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'summary': summary,
+      'symptoms': symptoms,
+      'medicines': medicines,
+    };
+  }
+}
\ No newline at end of file
diff --git a/lib/features/transcription/domain/transcription_model.dart b/lib/features/transcription/domain/transcription_model.dart
index 5310208..980ce65 100644
--- a/lib/features/transcription/domain/transcription_model.dart
+++ b/lib/features/transcription/domain/transcription_model.dart
@@ -1,23 +1,21 @@
+import 'medical_insights.dart';
+
 class TranscriptionModel {
   final String rawTranscript;
-  final String summary;
-  final String prescription;
+  final MedicalInsights? insights;
 
   const TranscriptionModel({
     this.rawTranscript = '',
-    this.summary = '',
-    this.prescription = '',
+    this.insights,
   });
 
   TranscriptionModel copyWith({
     String? rawTranscript,
-    String? summary,
-    String? prescription,
+    MedicalInsights? insights,
   }) {
     return TranscriptionModel(
       rawTranscript: rawTranscript ?? this.rawTranscript,
-      summary: summary ?? this.summary,
-      prescription: prescription ?? this.prescription,
+      insights: insights ?? this.insights,
     );
   }
 }
\ No newline at end of file
diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 8fddbd7..8e1fd02 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -5,9 +5,11 @@ import 'package:flutter/foundation.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:record/record.dart';
 import 'package:permission_handler/permission_handler.dart';
+
 import '../data/deepgram_service.dart';
 import '../data/gemini_service.dart';
 import '../domain/transcription_model.dart';
+import '../domain/medical_insights.dart';
 
 enum TranscriptionState { idle, recording, transcribing, processing, done, error }
 
@@ -21,25 +23,27 @@ class TranscriptionController extends ChangeNotifier {
   String? errorMessage;
   String _recordingPath = '';
 
-  // Waveform — kept here since it's driven by recording state
+  // Waveform
   final List<double> waveformValues = List.filled(40, 0.0);
   Timer? _waveformTimer;
 
   bool get isRecording => state == TranscriptionState.recording;
+
   bool get isProcessing =>
       state == TranscriptionState.transcribing ||
       state == TranscriptionState.processing;
 
   String get transcription => data.rawTranscript;
-  String get summary => data.summary;
-  String get prescription => data.prescription;
+
+  // ✅ NEW STRUCTURED GETTERS
+  String get summary => data.insights?.summary ?? '';
+  List<String> get symptoms => data.insights?.symptoms ?? [];
+  List<String> get medicines => data.insights?.medicines ?? [];
 
   Future<bool> requestPermissions() async {
     final status = await Permission.microphone.request();
 
-    if (status.isGranted) {
-      return true;
-    }
+    if (status.isGranted) return true;
 
     if (status.isPermanentlyDenied) {
       _setError('Microphone permission permanently denied. Please enable it in settings.');
@@ -62,9 +66,7 @@ class TranscriptionController extends ChangeNotifier {
     try {
       if (!await _audioRecorder.hasPermission()) {
         final granted = await requestPermissions();
-        if (!granted) {
-          return;
-        }
+        if (!granted) return;
       }
 
       final directory = await getTemporaryDirectory();
@@ -80,7 +82,6 @@ class TranscriptionController extends ChangeNotifier {
         path: _recordingPath,
       );
 
-      // Reset previous data
       data = const TranscriptionModel();
       state = TranscriptionState.recording;
       _startWaveformAnimation();
@@ -127,16 +128,17 @@ class TranscriptionController extends ChangeNotifier {
     }
   }
 
+  // ✅ UPDATED: Structured AI Processing
   Future<void> _processWithGemini(String transcript) async {
     try {
-      final summary = await _geminiService.generateSummary(transcript);
-      final prescription = await _geminiService.generatePrescription(transcript);
+      final MedicalInsights insights =
+          await _geminiService.generateInsights(transcript);
 
-      data = data.copyWith(summary: summary, prescription: prescription);
+      data = data.copyWith(insights: insights);
       state = TranscriptionState.done;
       notifyListeners();
 
-      developer.log('Gemini processing complete');
+      developer.log('Gemini structured insights generated');
     } catch (e) {
       _setError('Gemini error: $e');
     }
diff --git a/lib/main.dart b/lib/main.dart
index c913ee0..48544bc 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -6,10 +6,18 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:provider/provider.dart';
 
 Future<void> main() async {
-  await dotenv.load();
+  WidgetsFlutterBinding.ensureInitialized(); 
+  
+  try {
+    await dotenv.load(fileName: ".env").timeout(const Duration(seconds: 2));
+  } catch (e) {
+    debugPrint("Warning: Could not load .env file: $e");
+  }
+  
   runApp(const MyApp());
 }
 
+
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
diff --git a/pubspec.lock b/pubspec.lock
index 2ddb4f7..359c186 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -29,10 +29,10 @@ packages:
     dependency: transitive
     description:
       name: characters
-      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   clock:
     dependency: transitive
     description:
@@ -77,10 +77,10 @@ packages:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.2"
+    version: "1.3.3"
   ffi:
     dependency: transitive
     description:
@@ -164,26 +164,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.8"
+    version: "11.0.2"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.9"
+    version: "3.0.10"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -204,26 +204,26 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.17"
+    version: "0.12.19"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
       url: "https://pub.dev"
     source: hosted
-    version: "0.11.1"
+    version: "0.13.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
       url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.0"
   mime:
     dependency: transitive
     description:
@@ -232,6 +232,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.6"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   path:
     dependency: transitive
     description:
@@ -352,6 +360,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      sha256: "4e82183fa20e5ca25703ead7e05de9e4cceed1fbd1eadc1ac3cb6f565a09f272"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.5+1"
   record:
     dependency: "direct main"
     description:
@@ -481,10 +497,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
+      sha256: "8161c84903fd860b26bfdefb7963b3f0b68fee7adea0f59ef805ecca346f0c7a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.4"
+    version: "0.7.10"
   typed_data:
     dependency: transitive
     description:
@@ -537,10 +553,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   vm_service:
     dependency: transitive
     description:
@@ -574,5 +590,5 @@ packages:
     source: hosted
     version: "1.1.0"
 sdks:
-  dart: ">=3.7.0-0 <4.0.0"
+  dart: ">=3.9.0-0 <4.0.0"
   flutter: ">=3.27.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 49ef91d..6bfa8df 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -64,8 +64,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
+  assets:
+     - .env
   #   - images/a_dot_ham.jpeg
 
   # An image asset can refer to one or more resolution-specific "variants", see

From 5aa0dd4fbb66f3fee60aa973454ca8028659a55b Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 15:59:07 +0530
Subject: [PATCH 02/17] update transcription_screen file

---
 .../presentation/transcription_screen.dart    | 62 ++++++++++---------
 1 file changed, 34 insertions(+), 28 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index a957182..02d2a48 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -10,6 +10,7 @@ class TranscriptionScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    // Listen to changes in the controller
     final controller = context.watch<TranscriptionController>();
 
     return Scaffold(
@@ -32,7 +33,11 @@ class TranscriptionScreen extends StatelessWidget {
               children: [
                 const Text(
                   'DocPilot',
-                  style: TextStyle(fontSize: 28, fontWeight: FontWeight.bold, color: Colors.white),
+                  style: TextStyle(
+                    fontSize: 28, 
+                    fontWeight: FontWeight.bold, 
+                    color: Colors.white
+                  ),
                 ),
                 const SizedBox(height: 8),
                 Text(
@@ -41,7 +46,7 @@ class TranscriptionScreen extends StatelessWidget {
                 ),
                 const SizedBox(height: 30),
 
-                // Waveform
+                // Waveform Display
                 SizedBox(
                   height: 100,
                   child: Row(
@@ -96,7 +101,7 @@ class TranscriptionScreen extends StatelessWidget {
                 ),
                 const SizedBox(height: 20),
 
-                // Status indicator
+                // Status indicator with Overflow Fix
                 Center(
                   child: Row(
                     mainAxisAlignment: MainAxisAlignment.center,
@@ -111,20 +116,28 @@ class TranscriptionScreen extends StatelessWidget {
                             color: controller.isRecording
                                 ? Colors.red
                                 : controller.state == TranscriptionState.processing
-                                ? Colors.blue
-                                : Colors.amber,
+                                    ? Colors.blue
+                                    : Colors.amber,
+                          ),
+                        ),
+                      // FIX: Wrapped in Expanded to prevent the 174px right overflow
+                      Expanded(
+                        child: Text(
+                          _statusDetailText(controller),
+                          textAlign: TextAlign.center,
+                          style: const TextStyle(
+                            fontSize: 16, 
+                            fontWeight: FontWeight.w500, 
+                            color: Colors.white
                           ),
                         ),
-                      Text(
-                        _statusDetailText(controller),
-                        style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w500, color: Colors.white),
                       ),
                     ],
                   ),
                 ),
                 const SizedBox(height: 40),
 
-                // Navigation buttons
+                // Navigation buttons with Compilation Fix
                 Expanded(
                   child: Column(
                     mainAxisAlignment: MainAxisAlignment.center,
@@ -145,11 +158,14 @@ class TranscriptionScreen extends StatelessWidget {
                         )),
                       ),
                       const SizedBox(height: 16),
+                      // FIX: Using controller.medicines instead of controller.prescription
                       _buildNavigationButton(
                         context, 'Prescription', Icons.medication,
-                        controller.prescription.isNotEmpty,
+                        controller.medicines.isNotEmpty,
                         () => Navigator.push(context, MaterialPageRoute(
-                          builder: (_) => PrescriptionScreen(prescription: controller.prescription),
+                          builder: (_) => PrescriptionScreen(
+                            prescription: controller.medicines.join(", "),
+                          ),
                         )),
                       ),
                     ],
@@ -193,26 +209,16 @@ class TranscriptionScreen extends StatelessWidget {
   ) {
     return SizedBox(
       width: double.infinity,
-      child: ElevatedButton(
-        onPressed: isEnabled ? onPressed : null,
+      child: ElevatedButton.icon(
+        icon: Icon(icon, color: Colors.deepPurple),
+        label: Text(title, style: const TextStyle(fontSize: 16, color: Colors.black87)),
         style: ElevatedButton.styleFrom(
-          padding: const EdgeInsets.symmetric(vertical: 16),
-          backgroundColor: Colors.white,
-          foregroundColor: Colors.deepPurple,
-          disabledBackgroundColor: Colors.white.withOpacity(0.3),
-          disabledForegroundColor: Colors.white.withOpacity(0.5),
-          elevation: isEnabled ? 4 : 0,
+          padding: const EdgeInsets.symmetric(vertical: 14),
+          backgroundColor: isEnabled ? Colors.white : Colors.white24,
           shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
         ),
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            Icon(icon, size: 24),
-            const SizedBox(width: 12),
-            Text(title, style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
-          ],
-        ),
+        onPressed: isEnabled ? onPressed : null,
       ),
     );
   }
-}
\ No newline at end of file
+}

From ef025b826aa33dd8642c2eb3fad6a203300aa217 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 16:14:49 +0530
Subject: [PATCH 03/17] fix error

---
 .../transcription/data/deepgram_service.dart  | 90 +++++++------------
 .../domain/medical_insights.dart              | 17 +++-
 .../transcription_controller.dart             | 31 ++-----
 3 files changed, 51 insertions(+), 87 deletions(-)

diff --git a/lib/features/transcription/data/deepgram_service.dart b/lib/features/transcription/data/deepgram_service.dart
index a6a89a5..baf7cbc 100644
--- a/lib/features/transcription/data/deepgram_service.dart
+++ b/lib/features/transcription/data/deepgram_service.dart
@@ -9,15 +9,11 @@ class DeepgramService {
 
   DeepgramService({String? apiKey}) : _apiKey = apiKey?.trim();
 
-  // =============================
-  // Resolve API Key
-  // =============================
   String _resolveApiKey() {
     final configuredKey = _apiKey;
     if (configuredKey != null && configuredKey.isNotEmpty) {
       return configuredKey;
     }
-
     try {
       return (dotenv.env['DEEPGRAM_API_KEY'] ?? '').trim();
     } catch (_) {
@@ -25,9 +21,6 @@ class DeepgramService {
     }
   }
 
-  // =============================
-  //  Retry Logic (Production Grade)
-  // =============================
   Future<http.Response> _retryPost({
     required Uri uri,
     required Map<String, String> headers,
@@ -40,76 +33,46 @@ class DeepgramService {
             .post(uri, headers: headers, body: body)
             .timeout(const Duration(seconds: 30));
 
-        if (response.statusCode == 200) {
-          return response;
-        }
+        if (response.statusCode == 200) return response;
 
-        // Retry only for server errors
         if (response.statusCode >= 500) {
           await Future.delayed(Duration(seconds: 2 * (attempt + 1)));
           continue;
         } else {
-          throw Exception(
-              'Deepgram failed: ${response.statusCode} - ${response.body}');
+          throw Exception('Deepgram failed: ${response.statusCode} - ${response.body}');
         }
       } on TimeoutException {
-        if (attempt == retries - 1) {
-          throw Exception('Request timed out after multiple retries');
-        }
+        if (attempt == retries - 1) throw Exception('Request timed out');
       } catch (e) {
-        if (attempt == retries - 1) {
-          rethrow;
-        }
+        if (attempt == retries - 1) rethrow;
       }
-
-      // Exponential backoff
       await Future.delayed(Duration(seconds: 2 * (attempt + 1)));
     }
-
     throw Exception('Failed after $retries retries');
   }
 
-  // =============================
-  //  Main Transcription Method
-  // =============================
   Future<String> transcribe(String recordingPath) async {
     final apiKey = _resolveApiKey();
-
-    if (apiKey.isEmpty) {
-      throw Exception('Missing DEEPGRAM_API_KEY in environment');
-    }
+    if (apiKey.isEmpty) throw Exception('Missing DEEPGRAM_API_KEY');
 
     final file = File(recordingPath);
-
-    if (!await file.exists()) {
-      throw Exception('Recording file not found');
-    }
+    if (!await file.exists()) throw Exception('Recording file not found');
 
     final bytes = await file.readAsBytes();
-
-    final uri = Uri.parse(
-      'https://api.deepgram.com/v1/listen?model=nova-2&punctuate=true&smart_format=true',
+    final uri = Uri.parse('https://api.deepgram.com/v1/listen?model=nova-2&punctuate=true&smart_format=true');
+
+    final response = await _retryPost(
+      uri: uri,
+      headers: {
+        'Authorization': 'Token $apiKey',
+        'Content-Type': 'application/octet-stream',
+      },
+      body: bytes,
     );
 
-    try {
-      final response = await _retryPost(
-        uri: uri,
-        headers: {
-          'Authorization': 'Token $apiKey',
-          'Content-Type': 'application/octet-stream', // 🔥 improved
-        },
-        body: bytes,
-      );
-
-      return _parseTranscript(response.body);
-    } catch (e) {
-      throw Exception('Transcription error: $e');
-    }
+    return _parseTranscript(response.body);
   }
 
-  // =============================
-  //  Response Parser (Robust)
-  // =============================
   String _parseTranscript(String responseBody) {
     try {
       final decoded = json.decode(responseBody);
@@ -118,15 +81,22 @@ class DeepgramService {
         return 'No speech detected';
       }
 
-      final transcript = decoded['results']?['channels']?[0]?['alternatives']?[0]?['transcript'];
-
-      if (transcript is String && transcript.trim().isNotEmpty) {
-        return transcript.trim();
+      final results = decoded['results'];
+      final channels = results?['channels'];
+      
+      if (channels is List && channels.isNotEmpty) {
+        final alternatives = channels[0]['alternatives'];
+        if (alternatives is List && alternatives.isNotEmpty) {
+          final transcript = alternatives[0]['transcript'];
+          if (transcript is String && transcript.trim().isNotEmpty) {
+            return transcript.trim();
+          }
+        }
       }
 
       return 'No speech detected';
-    } catch (_) {
-      return 'Failed to parse transcription';
+    } catch (e) {
+      throw Exception('Failed to parse Deepgram response: $e');
     }
   }
-}
\ No newline at end of file
+}
diff --git a/lib/features/transcription/domain/medical_insights.dart b/lib/features/transcription/domain/medical_insights.dart
index 8306bb5..38c7a90 100644
--- a/lib/features/transcription/domain/medical_insights.dart
+++ b/lib/features/transcription/domain/medical_insights.dart
@@ -11,12 +11,21 @@ class MedicalInsights {
 
   factory MedicalInsights.fromJson(Map<String, dynamic> json) {
     return MedicalInsights(
-      summary: json['summary'] ?? '',
-      symptoms: List<String>.from(json['symptoms'] ?? []),
-      medicines: List<String>.from(json['medicines'] ?? []),
+      summary: json['summary']?.toString() ?? '',
+      
+      symptoms: _parseList(json['symptoms']),
+      medicines: _parseList(json['medicines']),
     );
   }
 
+  static List<String> _parseList(dynamic jsonValue) {
+    if (jsonValue is! List) return [];
+    return jsonValue
+        .where((item) => item != null)
+        .map((item) => item.toString())
+        .toList();
+  }
+
   Map<String, dynamic> toJson() {
     return {
       'summary': summary,
@@ -24,4 +33,4 @@ class MedicalInsights {
       'medicines': medicines,
     };
   }
-}
\ No newline at end of file
+}
diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 8e1fd02..73408cc 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -5,12 +5,10 @@ import 'package:flutter/foundation.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:record/record.dart';
 import 'package:permission_handler/permission_handler.dart';
-
 import '../data/deepgram_service.dart';
 import '../data/gemini_service.dart';
 import '../domain/transcription_model.dart';
 import '../domain/medical_insights.dart';
-
 enum TranscriptionState { idle, recording, transcribing, processing, done, error }
 
 class TranscriptionController extends ChangeNotifier {
@@ -20,36 +18,34 @@ class TranscriptionController extends ChangeNotifier {
 
   TranscriptionState state = TranscriptionState.idle;
   TranscriptionModel data = const TranscriptionModel();
+
   String? errorMessage;
   String _recordingPath = '';
 
-  // Waveform
   final List<double> waveformValues = List.filled(40, 0.0);
-  Timer? _waveformTimer;
 
+  Timer? _waveformTimer;
   bool get isRecording => state == TranscriptionState.recording;
-
   bool get isProcessing =>
       state == TranscriptionState.transcribing ||
       state == TranscriptionState.processing;
 
   String get transcription => data.rawTranscript;
-
-  // ✅ NEW STRUCTURED GETTERS
   String get summary => data.insights?.summary ?? '';
+
   List<String> get symptoms => data.insights?.symptoms ?? [];
   List<String> get medicines => data.insights?.medicines ?? [];
 
+  @Deprecated('Use summary, symptoms, or medicines instead')
+  String get prescription => summary;
+
   Future<bool> requestPermissions() async {
     final status = await Permission.microphone.request();
-
     if (status.isGranted) return true;
-
     if (status.isPermanentlyDenied) {
       _setError('Microphone permission permanently denied. Please enable it in settings.');
       return false;
     }
-
     _setError('Microphone permission denied');
     return false;
   }
@@ -68,11 +64,9 @@ class TranscriptionController extends ChangeNotifier {
         final granted = await requestPermissions();
         if (!granted) return;
       }
-
       final directory = await getTemporaryDirectory();
       _recordingPath =
           '${directory.path}/recording_${DateTime.now().millisecondsSinceEpoch}.m4a';
-
       await _audioRecorder.start(
         RecordConfig(
           encoder: AudioEncoder.aacLc,
@@ -81,12 +75,10 @@ class TranscriptionController extends ChangeNotifier {
         ),
         path: _recordingPath,
       );
-
       data = const TranscriptionModel();
       state = TranscriptionState.recording;
       _startWaveformAnimation();
       notifyListeners();
-
       developer.log('Started recording to: $_recordingPath');
     } catch (e) {
       _setError('Error starting recording: $e');
@@ -97,11 +89,9 @@ class TranscriptionController extends ChangeNotifier {
     try {
       _waveformTimer?.cancel();
       _resetWaveform();
-
       await _audioRecorder.stop();
       state = TranscriptionState.transcribing;
       notifyListeners();
-
       developer.log('Recording stopped, transcribing...');
       await _transcribe();
     } catch (e) {
@@ -112,11 +102,9 @@ class TranscriptionController extends ChangeNotifier {
   Future<void> _transcribe() async {
     try {
       final transcript = await _deepgramService.transcribe(_recordingPath);
-
       data = data.copyWith(rawTranscript: transcript);
       state = TranscriptionState.processing;
       notifyListeners();
-
       if (transcript.isNotEmpty && transcript != 'No speech detected') {
         await _processWithGemini(transcript);
       } else {
@@ -128,16 +116,13 @@ class TranscriptionController extends ChangeNotifier {
     }
   }
 
-  // ✅ UPDATED: Structured AI Processing
   Future<void> _processWithGemini(String transcript) async {
     try {
       final MedicalInsights insights =
           await _geminiService.generateInsights(transcript);
-
       data = data.copyWith(insights: insights);
       state = TranscriptionState.done;
       notifyListeners();
-
       developer.log('Gemini structured insights generated');
     } catch (e) {
       _setError('Gemini error: $e');
@@ -165,11 +150,11 @@ class TranscriptionController extends ChangeNotifier {
     notifyListeners();
     developer.log(message);
   }
-
+  
   @override
   void dispose() {
     _waveformTimer?.cancel();
     _audioRecorder.dispose();
     super.dispose();
   }
-}
\ No newline at end of file
+}

From cd9b7a3f8e2898fe9f83a051cf03128758ffbd9d Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 16:20:48 +0530
Subject: [PATCH 04/17] fix error

---
 lib/features/transcription/domain/medical_insights.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/features/transcription/domain/medical_insights.dart b/lib/features/transcription/domain/medical_insights.dart
index 38c7a90..44984b9 100644
--- a/lib/features/transcription/domain/medical_insights.dart
+++ b/lib/features/transcription/domain/medical_insights.dart
@@ -11,13 +11,16 @@ class MedicalInsights {
 
   factory MedicalInsights.fromJson(Map<String, dynamic> json) {
     return MedicalInsights(
+      // Coerce summary to String regardless of what the AI sends
       summary: json['summary']?.toString() ?? '',
       
+      // Safely parse lists to avoid 'type is not a subtype' errors
       symptoms: _parseList(json['symptoms']),
       medicines: _parseList(json['medicines']),
     );
   }
 
+  /// Helper to filter nulls and force elements to strings
   static List<String> _parseList(dynamic jsonValue) {
     if (jsonValue is! List) return [];
     return jsonValue

From 8558d4ea6f3ed5e662762b9b8c11fe95fcc35d21 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 16:25:09 +0530
Subject: [PATCH 05/17] fix error

---
 .../transcription/presentation/transcription_controller.dart | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 73408cc..76cee88 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -9,6 +9,7 @@ import '../data/deepgram_service.dart';
 import '../data/gemini_service.dart';
 import '../domain/transcription_model.dart';
 import '../domain/medical_insights.dart';
+
 enum TranscriptionState { idle, recording, transcribing, processing, done, error }
 
 class TranscriptionController extends ChangeNotifier {
@@ -33,8 +34,8 @@ class TranscriptionController extends ChangeNotifier {
   String get transcription => data.rawTranscript;
   String get summary => data.insights?.summary ?? '';
 
-  List<String> get symptoms => data.insights?.symptoms ?? [];
-  List<String> get medicines => data.insights?.medicines ?? [];
+  List<String> get symptoms => List.unmodifiable(data.insights?.symptoms ?? []);
+  List<String> get medicines => List.unmodifiable(data.insights?.medicines ?? []);
 
   @Deprecated('Use summary, symptoms, or medicines instead')
   String get prescription => summary;

From b6f38e8e9f34b8323788d59b6f74b85fb8ccaca5 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 17:11:14 +0530
Subject: [PATCH 06/17] fix: resolve overflow and update UI for structured
 medical insights

---
 .../presentation/transcription_screen.dart    | 203 ++++++++++++------
 lib/screens/medical_insights_screen.dart      |  59 +++++
 2 files changed, 195 insertions(+), 67 deletions(-)
 create mode 100644 lib/screens/medical_insights_screen.dart

diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index 02d2a48..a2f6c17 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -1,6 +1,6 @@
-import 'package:doc_pilot_new_app_gradel_fix/screens/prescription_screen.dart';
 import 'package:doc_pilot_new_app_gradel_fix/screens/summary_screen.dart';
 import 'package:doc_pilot_new_app_gradel_fix/screens/transcription_detail_screen.dart';
+import 'package:doc_pilot_new_app_gradel_fix/screens/medical_insights_screen.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'transcription_controller.dart';
@@ -10,7 +10,6 @@ class TranscriptionScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    // Listen to changes in the controller
     final controller = context.watch<TranscriptionController>();
 
     return Scaffold(
@@ -34,19 +33,21 @@ class TranscriptionScreen extends StatelessWidget {
                 const Text(
                   'DocPilot',
                   style: TextStyle(
-                    fontSize: 28, 
-                    fontWeight: FontWeight.bold, 
-                    color: Colors.white
+                    fontSize: 28,
+                    fontWeight: FontWeight.bold,
+                    color: Colors.white,
                   ),
                 ),
                 const SizedBox(height: 8),
+
                 Text(
                   _statusText(controller.state),
                   style: const TextStyle(fontSize: 16, color: Colors.white70),
                 ),
+
                 const SizedBox(height: 30),
 
-                // Waveform Display
+                // 🎧 Waveform
                 SizedBox(
                   height: 100,
                   child: Row(
@@ -62,7 +63,12 @@ class TranscriptionScreen extends StatelessWidget {
                           height: value * 80 + 5,
                           decoration: BoxDecoration(
                             color: controller.isRecording
-                                ? HSLColor.fromAHSL(1.0, (280 + index * 2) % 360, 0.8, 0.7 + value * 0.2).toColor()
+                                ? HSLColor.fromAHSL(
+                                    1.0,
+                                    (280 + index * 2) % 360,
+                                    0.8,
+                                    0.7 + value * 0.2,
+                                  ).toColor()
                                 : Colors.white.withOpacity(0.5),
                             borderRadius: BorderRadius.circular(5),
                           ),
@@ -71,38 +77,48 @@ class TranscriptionScreen extends StatelessWidget {
                     ),
                   ),
                 ),
+
                 const SizedBox(height: 40),
 
-                // Mic button
+                // 🎤 Mic Button
                 Center(
                   child: GestureDetector(
                     onTap: controller.isProcessing ? null : controller.toggleRecording,
-                    child: Container(
-                      width: 100,
-                      height: 100,
-                      decoration: BoxDecoration(
-                        shape: BoxShape.circle,
-                        color: controller.isRecording ? Colors.red : Colors.white,
-                        boxShadow: [
-                          BoxShadow(
-                            color: (controller.isRecording ? Colors.red : Colors.white).withOpacity(0.3),
-                            spreadRadius: 8,
-                            blurRadius: 20,
-                          ),
-                        ],
-                      ),
-                      child: Icon(
-                        controller.isRecording ? Icons.stop : Icons.mic,
-                        size: 50,
-                        color: controller.isRecording ? Colors.white : Colors.deepPurple.shade800,
+                    child: AnimatedScale(
+                      scale: controller.isRecording ? 1.2 : 1.0,
+                      duration: const Duration(milliseconds: 200),
+                      child: Container(
+                        width: 100,
+                        height: 100,
+                        decoration: BoxDecoration(
+                          shape: BoxShape.circle,
+                          color: controller.isRecording ? Colors.red : Colors.white,
+                          boxShadow: [
+                            BoxShadow(
+                              color: (controller.isRecording ? Colors.red : Colors.white)
+                                  .withOpacity(0.3),
+                              spreadRadius: 8,
+                              blurRadius: 20,
+                            ),
+                          ],
+                        ),
+                        child: Icon(
+                          controller.isRecording ? Icons.stop : Icons.mic,
+                          size: 50,
+                          color: controller.isRecording
+                              ? Colors.white
+                              : Colors.deepPurple.shade800,
+                        ),
                       ),
                     ),
                   ),
                 ),
+
                 const SizedBox(height: 20),
 
-                // Status indicator with Overflow Fix
-                Center(
+                // 🔥 Status Row (FIXED)
+                Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 8),
                   child: Row(
                     mainAxisAlignment: MainAxisAlignment.center,
                     children: [
@@ -110,7 +126,7 @@ class TranscriptionScreen extends StatelessWidget {
                         Container(
                           width: 16,
                           height: 16,
-                          margin: const EdgeInsets.only(right: 8.0),
+                          margin: const EdgeInsets.only(right: 8),
                           decoration: BoxDecoration(
                             shape: BoxShape.circle,
                             color: controller.isRecording
@@ -120,53 +136,90 @@ class TranscriptionScreen extends StatelessWidget {
                                     : Colors.amber,
                           ),
                         ),
-                      // FIX: Wrapped in Expanded to prevent the 174px right overflow
                       Expanded(
                         child: Text(
                           _statusDetailText(controller),
                           textAlign: TextAlign.center,
+                          overflow: TextOverflow.ellipsis,
                           style: const TextStyle(
-                            fontSize: 16, 
-                            fontWeight: FontWeight.w500, 
-                            color: Colors.white
+                            fontSize: 16,
+                            fontWeight: FontWeight.w500,
+                            color: Colors.white,
                           ),
                         ),
                       ),
                     ],
                   ),
                 ),
-                const SizedBox(height: 40),
 
-                // Navigation buttons with Compilation Fix
+                const SizedBox(height: 20),
+
+                // 🧠 Empty State
+                if (controller.state == TranscriptionState.done &&
+                    controller.transcription.isEmpty)
+                  const Center(
+                    child: Text(
+                      "No speech detected. Try again.",
+                      style: TextStyle(color: Colors.white70),
+                    ),
+                  ),
+
+                const SizedBox(height: 20),
+
+                // 🚀 Navigation Buttons
                 Expanded(
                   child: Column(
                     mainAxisAlignment: MainAxisAlignment.center,
                     children: [
                       _buildNavigationButton(
-                        context, 'Transcription', Icons.record_voice_over,
-                        controller.transcription.isNotEmpty,
-                        () => Navigator.push(context, MaterialPageRoute(
-                          builder: (_) => TranscriptionDetailScreen(transcription: controller.transcription),
-                        )),
+                        context,
+                        'Transcription',
+                        Icons.record_voice_over,
+                        controller.transcription.isNotEmpty && !controller.isProcessing,
+                        () => Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                            builder: (_) => TranscriptionDetailScreen(
+                              transcription: controller.transcription,
+                            ),
+                          ),
+                        ),
                       ),
+
                       const SizedBox(height: 16),
+
                       _buildNavigationButton(
-                        context, 'Summary', Icons.summarize,
-                        controller.summary.isNotEmpty,
-                        () => Navigator.push(context, MaterialPageRoute(
-                          builder: (_) => SummaryScreen(summary: controller.summary),
-                        )),
+                        context,
+                        'Summary',
+                        Icons.summarize,
+                        controller.summary.isNotEmpty && !controller.isProcessing,
+                        () => Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                            builder: (_) => SummaryScreen(
+                              summary: controller.summary,
+                            ),
+                          ),
+                        ),
                       ),
+
                       const SizedBox(height: 16),
-                      // FIX: Using controller.medicines instead of controller.prescription
+
+                      // ✅ NEW: Medical Insights Screen
                       _buildNavigationButton(
-                        context, 'Prescription', Icons.medication,
-                        controller.medicines.isNotEmpty,
-                        () => Navigator.push(context, MaterialPageRoute(
-                          builder: (_) => PrescriptionScreen(
-                            prescription: controller.medicines.join(", "),
+                        context,
+                        'Medical Insights',
+                        Icons.medical_services,
+                        controller.medicines.isNotEmpty && !controller.isProcessing,
+                        () => Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                            builder: (_) => MedicalInsightsScreen(
+                              symptoms: controller.symptoms,
+                              medicines: controller.medicines,
+                            ),
                           ),
-                        )),
+                        ),
                       ),
                     ],
                   ),
@@ -181,22 +234,33 @@ class TranscriptionScreen extends StatelessWidget {
 
   String _statusText(TranscriptionState state) {
     switch (state) {
-      case TranscriptionState.recording:    return 'Recording your voice...';
-      case TranscriptionState.transcribing: return 'Transcribing your voice...';
-      case TranscriptionState.processing:   return 'Processing with Gemini...';
-      case TranscriptionState.error:        return 'Something went wrong';
-      default:                              return 'Tap the mic to begin';
+      case TranscriptionState.recording:
+        return 'Recording your voice...';
+      case TranscriptionState.transcribing:
+        return 'Transcribing your voice...';
+      case TranscriptionState.processing:
+        return 'Processing with AI...';
+      case TranscriptionState.error:
+        return 'Something went wrong';
+      default:
+        return 'Tap the mic to begin';
     }
   }
 
   String _statusDetailText(TranscriptionController controller) {
     switch (controller.state) {
-      case TranscriptionState.recording:    return 'Recording in progress';
-      case TranscriptionState.transcribing: return 'Processing audio...';
-      case TranscriptionState.processing:   return 'Generating content with Gemini...';
-      case TranscriptionState.done:         return 'Ready to view results';
-      case TranscriptionState.error:        return controller.errorMessage ?? 'Error occurred';
-      default:                              return 'Press the microphone button to start';
+      case TranscriptionState.recording:
+        return 'Recording in progress';
+      case TranscriptionState.transcribing:
+        return 'Processing audio...';
+      case TranscriptionState.processing:
+        return 'Generating insights...';
+      case TranscriptionState.done:
+        return 'Ready to view results';
+      case TranscriptionState.error:
+        return controller.errorMessage ?? 'Error occurred';
+      default:
+        return 'Press the microphone button to start';
     }
   }
 
@@ -211,14 +275,19 @@ class TranscriptionScreen extends StatelessWidget {
       width: double.infinity,
       child: ElevatedButton.icon(
         icon: Icon(icon, color: Colors.deepPurple),
-        label: Text(title, style: const TextStyle(fontSize: 16, color: Colors.black87)),
+        label: Text(
+          title,
+          style: const TextStyle(fontSize: 16, color: Colors.black87),
+        ),
         style: ElevatedButton.styleFrom(
-          padding: const EdgeInsets.symmetric(vertical: 14),
+          padding: const EdgeInsets.symmetric(vertical: 16),
           backgroundColor: isEnabled ? Colors.white : Colors.white24,
-          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(14),
+          ),
         ),
         onPressed: isEnabled ? onPressed : null,
       ),
     );
   }
-}
+}
\ No newline at end of file
diff --git a/lib/screens/medical_insights_screen.dart b/lib/screens/medical_insights_screen.dart
new file mode 100644
index 0000000..80aa32f
--- /dev/null
+++ b/lib/screens/medical_insights_screen.dart
@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+
+class MedicalInsightsScreen extends StatelessWidget {
+  final List<String> symptoms;
+  final List<String> medicines;
+
+  const MedicalInsightsScreen({
+    super.key,
+    required this.symptoms,
+    required this.medicines,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text("Medical Insights")),
+      body: Padding(
+        padding: const EdgeInsets.all(16),
+        child: ListView(
+          children: [
+            const Text(
+              "Symptoms",
+              style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+            ),
+            const SizedBox(height: 10),
+
+            if (symptoms.isEmpty)
+              const Text("No symptoms detected")
+            else
+              ...symptoms.map(
+                (e) => ListTile(
+                  leading: const Icon(Icons.warning, color: Colors.orange),
+                  title: Text(e),
+                ),
+              ),
+
+            const SizedBox(height: 20),
+
+            const Text(
+              "Medicines",
+              style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+            ),
+            const SizedBox(height: 10),
+
+            if (medicines.isEmpty)
+              const Text("No medicines suggested")
+            else
+              ...medicines.map(
+                (e) => ListTile(
+                  leading: const Icon(Icons.medication, color: Colors.blue),
+                  title: Text(e),
+                ),
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+}
\ No newline at end of file

From 1e160e1cc3511abe095ce028b15ed97c1e761685 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 17:34:14 +0530
Subject: [PATCH 07/17] fix issue

---
 .../transcription_controller.dart             |   6 +
 .../presentation/transcription_screen.dart    | 107 +++++++++---------
 lib/main.dart                                 |  21 ++--
 pubspec.yaml                                  |   3 +-
 4 files changed, 72 insertions(+), 65 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 76cee88..33b414a 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -151,6 +151,12 @@ class TranscriptionController extends ChangeNotifier {
     notifyListeners();
     developer.log(message);
   }
+
+  void checkConfigStatus(bool isLoaded) {
+  if (!isLoaded) {
+    _setError('Configuration Error: API keys could not be loaded. Please check your .env file.');
+  }
+  }
   
   @override
   void dispose() {
diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index a2f6c17..6c9934e 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -47,7 +47,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 30),
 
-                // 🎧 Waveform
+                //  Waveform
                 SizedBox(
                   height: 100,
                   child: Row(
@@ -80,7 +80,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 40),
 
-                // 🎤 Mic Button
+                //  Mic Button
                 Center(
                   child: GestureDetector(
                     onTap: controller.isProcessing ? null : controller.toggleRecording,
@@ -116,7 +116,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                // 🔥 Status Row (FIXED)
+                //  Status Row (FIXED)
                 Padding(
                   padding: const EdgeInsets.symmetric(horizontal: 8),
                   child: Row(
@@ -167,63 +167,58 @@ class TranscriptionScreen extends StatelessWidget {
                 const SizedBox(height: 20),
 
                 // 🚀 Navigation Buttons
-                Expanded(
-                  child: Column(
-                    mainAxisAlignment: MainAxisAlignment.center,
-                    children: [
-                      _buildNavigationButton(
-                        context,
-                        'Transcription',
-                        Icons.record_voice_over,
-                        controller.transcription.isNotEmpty && !controller.isProcessing,
-                        () => Navigator.push(
-                          context,
-                          MaterialPageRoute(
-                            builder: (_) => TranscriptionDetailScreen(
-                              transcription: controller.transcription,
-                            ),
-                          ),
-                        ),
-                      ),
+Expanded(
+  child: ListView(
+    children: [
+      // 1. Summary Button
+      _buildNavigationButton(
+        context,
+        'Summary',
+        Icons.description,
+        controller.summary.isNotEmpty && !controller.isProcessing,
+        () => Navigator.push(
+          context, 
+          MaterialPageRoute(builder: (_) => SummaryScreen(summary: controller.summary))
+        ),
+      ),
+      
+      const SizedBox(height: 12),
 
-                      const SizedBox(height: 16),
+      // 2. Prescription Button (Legacy Adapter)
+      _buildNavigationButton(
+        context,
+        'Prescription',
+        Icons.medication,
+        controller.prescription.isNotEmpty && !controller.isProcessing,
+        () => Navigator.push(
+          context,
+          MaterialPageRoute(builder: (_) => PrescriptionScreen(prescription: controller.prescription)),
+        ),
+      ),
 
-                      _buildNavigationButton(
-                        context,
-                        'Summary',
-                        Icons.summarize,
-                        controller.summary.isNotEmpty && !controller.isProcessing,
-                        () => Navigator.push(
-                          context,
-                          MaterialPageRoute(
-                            builder: (_) => SummaryScreen(
-                              summary: controller.summary,
-                            ),
-                          ),
-                        ),
-                      ),
+      const SizedBox(height: 12),
 
-                      const SizedBox(height: 16),
+      // 3. Medical Insights Button (FIXED LOGIC)
+      _buildNavigationButton(
+        context,
+        'Medical Insights',
+        Icons.medical_services,
+        // ✅ Enable if EITHER symptoms or medicines are found
+        (controller.symptoms.isNotEmpty || controller.medicines.isNotEmpty) && !controller.isProcessing,
+        () => Navigator.push(
+          context,
+          MaterialPageRoute(
+            builder: (_) => MedicalInsightsScreen(
+              symptoms: controller.symptoms,
+              medicines: controller.medicines,
+            ),
+          ),
+        ),
+      ),
+    ],
+  ),
+),
 
-                      // ✅ NEW: Medical Insights Screen
-                      _buildNavigationButton(
-                        context,
-                        'Medical Insights',
-                        Icons.medical_services,
-                        controller.medicines.isNotEmpty && !controller.isProcessing,
-                        () => Navigator.push(
-                          context,
-                          MaterialPageRoute(
-                            builder: (_) => MedicalInsightsScreen(
-                              symptoms: controller.symptoms,
-                              medicines: controller.medicines,
-                            ),
-                          ),
-                        ),
-                      ),
-                    ],
-                  ),
-                ),
               ],
             ),
           ),
diff --git a/lib/main.dart b/lib/main.dart
index 48544bc..bf7a6d4 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,30 +1,37 @@
 import 'dart:async';
-import 'package:doc_pilot_new_app_gradel_fix/features/transcription/presentation/transcription_controller.dart';
-import 'package:doc_pilot_new_app_gradel_fix/features/transcription/presentation/transcription_screen.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:provider/provider.dart';
 
+import 'features/transcription/presentation/transcription_controller.dart';
+import 'features/transcription/presentation/transcription_screen.dart';
+
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized(); 
   
+  bool isConfigLoaded = false;
   try {
+    // Attempt to load environment variables
     await dotenv.load(fileName: ".env").timeout(const Duration(seconds: 2));
+    isConfigLoaded = true;
   } catch (e) {
-    debugPrint("Warning: Could not load .env file: $e");
+    debugPrint("Critical: Could not load .env file: $e");
+    // We proceed to runApp so we can show a user-friendly error in the UI
   }
   
-  runApp(const MyApp());
+  runApp(MyApp(isConfigLoaded: isConfigLoaded));
 }
 
-
 class MyApp extends StatelessWidget {
-  const MyApp({super.key});
+  final bool isConfigLoaded;
+  
+  const MyApp({super.key, required this.isConfigLoaded});
 
   @override
   Widget build(BuildContext context) {
     return ChangeNotifierProvider(
-      create: (_) => TranscriptionController(),
+      // Pass the config status to the controller so it can show an alert
+      create: (_) => TranscriptionController()..checkConfigStatus(isConfigLoaded),
       child: MaterialApp(
         title: 'DocPilot',
         theme: ThemeData(
diff --git a/pubspec.yaml b/pubspec.yaml
index 6bfa8df..52c287a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -64,8 +64,7 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  assets:
-     - .env
+  # assets:
   #   - images/a_dot_ham.jpeg
 
   # An image asset can refer to one or more resolution-specific "variants", see

From 8584cbc095b46e7ab87b8d23063d80c93b495f69 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 18:58:43 +0530
Subject: [PATCH 08/17] fix transciption_screen file

---
 .../presentation/transcription_screen.dart    | 194 ++++++++++--------
 1 file changed, 103 insertions(+), 91 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index 6c9934e..f645670 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -116,7 +116,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                //  Status Row (FIXED)
+                //  Status Row
                 Padding(
                   padding: const EdgeInsets.symmetric(horizontal: 8),
                   child: Row(
@@ -154,9 +154,10 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                // 🧠 Empty State
+                //  Empty State
                 if (controller.state == TranscriptionState.done &&
-                    controller.transcription.isEmpty)
+                    (controller.transcription.isEmpty || 
+                     controller.transcription == "No speech detected."))
                   const Center(
                     child: Text(
                       "No speech detected. Try again.",
@@ -166,67 +167,112 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                // 🚀 Navigation Buttons
-Expanded(
-  child: ListView(
-    children: [
-      // 1. Summary Button
-      _buildNavigationButton(
-        context,
-        'Summary',
-        Icons.description,
-        controller.summary.isNotEmpty && !controller.isProcessing,
-        () => Navigator.push(
-          context, 
-          MaterialPageRoute(builder: (_) => SummaryScreen(summary: controller.summary))
-        ),
-      ),
-      
-      const SizedBox(height: 12),
+                //  Navigation Buttons
+                Expanded(
+                  child: ListView(
+                    children: [
+                      _buildNavigationButton(
+                        context,
+                        'Summary',
+                        Icons.description,
+                        controller.summary.isNotEmpty && !controller.isProcessing,
+                        () => Navigator.push(
+                          context, 
+                          MaterialPageRoute(builder: (_) => SummaryScreen(summary: controller.summary))
+                        ),
+                      ),
+                      
+                      const SizedBox(height: 12),
 
-      // 2. Prescription Button (Legacy Adapter)
-      _buildNavigationButton(
-        context,
-        'Prescription',
-        Icons.medication,
-        controller.prescription.isNotEmpty && !controller.isProcessing,
-        () => Navigator.push(
-          context,
-          MaterialPageRoute(builder: (_) => PrescriptionScreen(prescription: controller.prescription)),
-        ),
-      ),
+                      _buildNavigationButton(
+                        context,
+                        'Full Transcription',
+                        Icons.text_snippet,
+                        controller.transcription.isNotEmpty && 
+                        controller.transcription != "No speech detected." &&
+                        !controller.isProcessing,
+                        () => Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                            builder: (_) => TranscriptionDetailScreen(
+                              transcription: controller.transcription,
+                            ),
+                          ),
+                        ),
+                      ),
 
-      const SizedBox(height: 12),
+                      const SizedBox(height: 12),
 
-      // 3. Medical Insights Button (FIXED LOGIC)
-      _buildNavigationButton(
-        context,
-        'Medical Insights',
-        Icons.medical_services,
-        // ✅ Enable if EITHER symptoms or medicines are found
-        (controller.symptoms.isNotEmpty || controller.medicines.isNotEmpty) && !controller.isProcessing,
-        () => Navigator.push(
-          context,
-          MaterialPageRoute(
-            builder: (_) => MedicalInsightsScreen(
-              symptoms: controller.symptoms,
-              medicines: controller.medicines,
+                      _buildNavigationButton(
+                        context,
+                        'Medical Insights',
+                        Icons.analytics,
+                        controller.summary.isNotEmpty && !controller.isProcessing,
+                        () => Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                            builder: (_) => MedicalInsightsScreen(summary: controller.summary),
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
             ),
           ),
         ),
       ),
-    ],
-  ),
-),
+    );
+  }
 
-              ],
+  Widget _buildNavigationButton(
+    BuildContext context,
+    String label,
+    IconData icon,
+    bool enabled,
+    VoidCallback onTap,
+  ) {
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        onTap: enabled ? onTap : null,
+        borderRadius: BorderRadius.circular(12),
+        child: Container(
+          padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 20),
+          decoration: BoxDecoration(
+            color: enabled ? Colors.white.withOpacity(0.15) : Colors.white.withOpacity(0.05),
+            borderRadius: BorderRadius.circular(12),
+            border: Border.all(
+              color: enabled ? Colors.white24 : Colors.white10,
             ),
           ),
+          child: Row(
+            children: [
+              Icon(icon, color: enabled ? Colors.white : Colors.white38),
+              const SizedBox(width: 16),
+              Text(
+                label,
+                style: TextStyle(
+                  color: enabled ? Colors.white : Colors.white38,
+                  fontSize: 16,
+                  fontWeight: FontWeight.w600,
+                ),
+              ),
+              const Spacer(),
+              Icon(
+                Icons.arrow_forward_ios,
+                size: 16,
+                color: enabled ? Colors.white70 : Colors.white12,
+              ),
+            ],
+          ),
         ),
       ),
     );
   }
 
+  // FIXED: Explicitly handles .done and removed duplicate code
   String _statusText(TranscriptionState state) {
     switch (state) {
       case TranscriptionState.recording:
@@ -235,6 +281,8 @@ Expanded(
         return 'Transcribing your voice...';
       case TranscriptionState.processing:
         return 'Processing with AI...';
+      case TranscriptionState.done:
+        return 'Analysis ready';
       case TranscriptionState.error:
         return 'Something went wrong';
       default:
@@ -243,46 +291,10 @@ Expanded(
   }
 
   String _statusDetailText(TranscriptionController controller) {
-    switch (controller.state) {
-      case TranscriptionState.recording:
-        return 'Recording in progress';
-      case TranscriptionState.transcribing:
-        return 'Processing audio...';
-      case TranscriptionState.processing:
-        return 'Generating insights...';
-      case TranscriptionState.done:
-        return 'Ready to view results';
-      case TranscriptionState.error:
-        return controller.errorMessage ?? 'Error occurred';
-      default:
-        return 'Press the microphone button to start';
-    }
-  }
-
-  Widget _buildNavigationButton(
-    BuildContext context,
-    String title,
-    IconData icon,
-    bool isEnabled,
-    VoidCallback onPressed,
-  ) {
-    return SizedBox(
-      width: double.infinity,
-      child: ElevatedButton.icon(
-        icon: Icon(icon, color: Colors.deepPurple),
-        label: Text(
-          title,
-          style: const TextStyle(fontSize: 16, color: Colors.black87),
-        ),
-        style: ElevatedButton.styleFrom(
-          padding: const EdgeInsets.symmetric(vertical: 16),
-          backgroundColor: isEnabled ? Colors.white : Colors.white24,
-          shape: RoundedRectangleBorder(
-            borderRadius: BorderRadius.circular(14),
-          ),
-        ),
-        onPressed: isEnabled ? onPressed : null,
-      ),
-    );
+    if (controller.isRecording) return 'Recording in progress...';
+    if (controller.state == TranscriptionState.processing) return 'Converting speech to text...';
+    if (controller.state == TranscriptionState.summarizing) return 'Analyzing medical content...';
+    if (controller.state == TranscriptionState.done) return 'Review your insights below';
+    return 'Tap the microphone to begin';
   }
-}
\ No newline at end of file
+}

From a36342500f84255cbf30cf45a25252e18048b2b7 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 19:04:52 +0530
Subject: [PATCH 09/17] fix transciption_screen file

---
 .../presentation/transcription_screen.dart    | 28 ++++++++++---------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index f645670..f431213 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -39,15 +39,13 @@ class TranscriptionScreen extends StatelessWidget {
                   ),
                 ),
                 const SizedBox(height: 8),
-
                 Text(
                   _statusText(controller.state),
                   style: const TextStyle(fontSize: 16, color: Colors.white70),
                 ),
-
                 const SizedBox(height: 30),
 
-                //  Waveform
+                // Waveform
                 SizedBox(
                   height: 100,
                   child: Row(
@@ -80,7 +78,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 40),
 
-                //  Mic Button
+                // Mic Button
                 Center(
                   child: GestureDetector(
                     onTap: controller.isProcessing ? null : controller.toggleRecording,
@@ -116,7 +114,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                //  Status Row
+                // Status Row
                 Padding(
                   padding: const EdgeInsets.symmetric(horizontal: 8),
                   child: Row(
@@ -154,7 +152,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                //  Empty State
+                // Empty State
                 if (controller.state == TranscriptionState.done &&
                     (controller.transcription.isEmpty || 
                      controller.transcription == "No speech detected."))
@@ -167,7 +165,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                //  Navigation Buttons
+                // Navigation Buttons
                 Expanded(
                   child: ListView(
                     children: [
@@ -203,6 +201,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                       const SizedBox(height: 12),
 
+                      // FIXED: Passing correct List<String> parameters to MedicalInsightsScreen
                       _buildNavigationButton(
                         context,
                         'Medical Insights',
@@ -211,7 +210,10 @@ class TranscriptionScreen extends StatelessWidget {
                         () => Navigator.push(
                           context,
                           MaterialPageRoute(
-                            builder: (_) => MedicalInsightsScreen(summary: controller.summary),
+                            builder: (_) => MedicalInsightsScreen(
+                              symptoms: controller.symptoms,
+                              medicines: controller.medicines,
+                            ),
                           ),
                         ),
                       ),
@@ -272,15 +274,14 @@ class TranscriptionScreen extends StatelessWidget {
     );
   }
 
-  // FIXED: Explicitly handles .done and removed duplicate code
   String _statusText(TranscriptionState state) {
     switch (state) {
       case TranscriptionState.recording:
         return 'Recording your voice...';
       case TranscriptionState.transcribing:
-        return 'Transcribing your voice...';
+        return 'Transcribing...';
       case TranscriptionState.processing:
-        return 'Processing with AI...';
+        return 'Analyzing with AI...';
       case TranscriptionState.done:
         return 'Analysis ready';
       case TranscriptionState.error:
@@ -292,8 +293,9 @@ class TranscriptionScreen extends StatelessWidget {
 
   String _statusDetailText(TranscriptionController controller) {
     if (controller.isRecording) return 'Recording in progress...';
-    if (controller.state == TranscriptionState.processing) return 'Converting speech to text...';
-    if (controller.state == TranscriptionState.summarizing) return 'Analyzing medical content...';
+    // FIXED: Adjusted to use existing enum states (transcribing -> processing)
+    if (controller.state == TranscriptionState.transcribing) return 'Converting speech to text...';
+    if (controller.state == TranscriptionState.processing) return 'Extracting medical insights...';
     if (controller.state == TranscriptionState.done) return 'Review your insights below';
     return 'Tap the microphone to begin';
   }

From 64da1f2fb8ed63e8dd2322740a9fb2f41418cbbe Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 19:12:38 +0530
Subject: [PATCH 10/17] fix transciption_screen file

---
 .../transcription/presentation/transcription_screen.dart | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index f431213..fcc8564 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -152,10 +152,10 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                // Empty State
+                // Empty State (FIXED: Removed period to match controller sentinel)
                 if (controller.state == TranscriptionState.done &&
                     (controller.transcription.isEmpty || 
-                     controller.transcription == "No speech detected."))
+                     controller.transcription == "No speech detected"))
                   const Center(
                     child: Text(
                       "No speech detected. Try again.",
@@ -187,7 +187,7 @@ class TranscriptionScreen extends StatelessWidget {
                         'Full Transcription',
                         Icons.text_snippet,
                         controller.transcription.isNotEmpty && 
-                        controller.transcription != "No speech detected." &&
+                        controller.transcription != "No speech detected" &&
                         !controller.isProcessing,
                         () => Navigator.push(
                           context,
@@ -201,7 +201,6 @@ class TranscriptionScreen extends StatelessWidget {
 
                       const SizedBox(height: 12),
 
-                      // FIXED: Passing correct List<String> parameters to MedicalInsightsScreen
                       _buildNavigationButton(
                         context,
                         'Medical Insights',
@@ -274,6 +273,7 @@ class TranscriptionScreen extends StatelessWidget {
     );
   }
 
+  // FIXED: Explicitly handles .done and removed duplicate switch cases
   String _statusText(TranscriptionState state) {
     switch (state) {
       case TranscriptionState.recording:
@@ -293,7 +293,6 @@ class TranscriptionScreen extends StatelessWidget {
 
   String _statusDetailText(TranscriptionController controller) {
     if (controller.isRecording) return 'Recording in progress...';
-    // FIXED: Adjusted to use existing enum states (transcribing -> processing)
     if (controller.state == TranscriptionState.transcribing) return 'Converting speech to text...';
     if (controller.state == TranscriptionState.processing) return 'Extracting medical insights...';
     if (controller.state == TranscriptionState.done) return 'Review your insights below';

From 906b7c3aecb0c545dd015332e7654a7826df1ca7 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 19:17:15 +0530
Subject: [PATCH 11/17] fix transciption_screen file

---
 .../transcription/presentation/transcription_screen.dart     | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index fcc8564..18c1f2e 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -152,7 +152,7 @@ class TranscriptionScreen extends StatelessWidget {
 
                 const SizedBox(height: 20),
 
-                // Empty State (FIXED: Removed period to match controller sentinel)
+                // Empty State (FIXED: No period in sentinel string)
                 if (controller.state == TranscriptionState.done &&
                     (controller.transcription.isEmpty || 
                      controller.transcription == "No speech detected"))
@@ -273,7 +273,6 @@ class TranscriptionScreen extends StatelessWidget {
     );
   }
 
-  // FIXED: Explicitly handles .done and removed duplicate switch cases
   String _statusText(TranscriptionState state) {
     switch (state) {
       case TranscriptionState.recording:
@@ -281,7 +280,7 @@ class TranscriptionScreen extends StatelessWidget {
       case TranscriptionState.transcribing:
         return 'Transcribing...';
       case TranscriptionState.processing:
-        return 'Analyzing with AI...';
+        return 'Processing with Gemini...';
       case TranscriptionState.done:
         return 'Analysis ready';
       case TranscriptionState.error:

From 8795c59a27cf8801f3b33bc366ed28c238b83e1a Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 19:21:25 +0530
Subject: [PATCH 12/17] fix transciption_screen file

---
 .../transcription/presentation/transcription_screen.dart      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_screen.dart b/lib/features/transcription/presentation/transcription_screen.dart
index 18c1f2e..0c33565 100644
--- a/lib/features/transcription/presentation/transcription_screen.dart
+++ b/lib/features/transcription/presentation/transcription_screen.dart
@@ -278,11 +278,11 @@ class TranscriptionScreen extends StatelessWidget {
       case TranscriptionState.recording:
         return 'Recording your voice...';
       case TranscriptionState.transcribing:
-        return 'Transcribing...';
+        return 'Transcribing your voice...';
       case TranscriptionState.processing:
         return 'Processing with Gemini...';
       case TranscriptionState.done:
-        return 'Analysis ready';
+        return 'Transcription complete!';
       case TranscriptionState.error:
         return 'Something went wrong';
       default:

From 56050f6cdb67b25803fd48bc8ceebc6593e64359 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 20:14:05 +0530
Subject: [PATCH 13/17] feat: add persistent transcription history with
 structured insights

---
 .../data/local_storage_service.dart           | 26 ++++++++
 .../domain/transcription_history_model.dart   | 33 ++++++++++
 .../presentation/history_screen.dart          | 61 +++++++++++++++++++
 .../transcription_controller.dart             | 14 +++++
 4 files changed, 134 insertions(+)
 create mode 100644 lib/features/transcription/data/local_storage_service.dart
 create mode 100644 lib/features/transcription/domain/transcription_history_model.dart
 create mode 100644 lib/features/transcription/presentation/history_screen.dart

diff --git a/lib/features/transcription/data/local_storage_service.dart b/lib/features/transcription/data/local_storage_service.dart
new file mode 100644
index 0000000..73d98c8
--- /dev/null
+++ b/lib/features/transcription/data/local_storage_service.dart
@@ -0,0 +1,26 @@
+import 'dart:convert';
+import 'package:shared_preferences/shared_preferences.dart';
+import '../domain/transcription_history_model.dart';
+
+class LocalStorageService {
+  static const String key = "transcription_history";
+
+  Future<void> save(TranscriptionHistoryModel item) async {
+    final prefs = await SharedPreferences.getInstance();
+    final list = prefs.getStringList(key) ?? [];
+
+    list.add(jsonEncode(item.toJson()));
+    await prefs.setStringList(key, list);
+  }
+
+  Future<List<TranscriptionHistoryModel>> getAll() async {
+    final prefs = await SharedPreferences.getInstance();
+    final list = prefs.getStringList(key) ?? [];
+
+    return list
+        .map((e) => TranscriptionHistoryModel.fromJson(jsonDecode(e)))
+        .toList()
+        .reversed
+        .toList();
+  }
+}
\ No newline at end of file
diff --git a/lib/features/transcription/domain/transcription_history_model.dart b/lib/features/transcription/domain/transcription_history_model.dart
new file mode 100644
index 0000000..1f26940
--- /dev/null
+++ b/lib/features/transcription/domain/transcription_history_model.dart
@@ -0,0 +1,33 @@
+class TranscriptionHistoryModel {
+  final String transcript;
+  final String summary;
+  final List<String> symptoms;
+  final List<String> medicines;
+  final DateTime createdAt;
+
+  TranscriptionHistoryModel({
+    required this.transcript,
+    required this.summary,
+    required this.symptoms,
+    required this.medicines,
+    required this.createdAt,
+  });
+
+  Map<String, dynamic> toJson() => {
+        'transcript': transcript,
+        'summary': summary,
+        'symptoms': symptoms,
+        'medicines': medicines,
+        'createdAt': createdAt.toIso8601String(),
+      };
+
+  factory TranscriptionHistoryModel.fromJson(Map<String, dynamic> json) {
+    return TranscriptionHistoryModel(
+      transcript: json['transcript'],
+      summary: json['summary'],
+      symptoms: List<String>.from(json['symptoms']),
+      medicines: List<String>.from(json['medicines']),
+      createdAt: DateTime.parse(json['createdAt']),
+    );
+  }
+}
\ No newline at end of file
diff --git a/lib/features/transcription/presentation/history_screen.dart b/lib/features/transcription/presentation/history_screen.dart
new file mode 100644
index 0000000..6ebe1a6
--- /dev/null
+++ b/lib/features/transcription/presentation/history_screen.dart
@@ -0,0 +1,61 @@
+import 'package:flutter/material.dart';
+import '../data/local_storage_service.dart';
+import '../domain/transcription_history_model.dart';
+import 'package:doc_pilot_new_app_gradel_fix/screens/medical_insights_screen.dart';
+
+class HistoryScreen extends StatefulWidget {
+  const HistoryScreen({super.key});
+
+  @override
+  State<HistoryScreen> createState() => _HistoryScreenState();
+}
+
+class _HistoryScreenState extends State<HistoryScreen> {
+  List<TranscriptionHistoryModel> history = [];
+
+  @override
+  void initState() {
+    super.initState();
+    loadHistory();
+  }
+
+  Future<void> loadHistory() async {
+    history = await LocalStorageService().getAll();
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text("History")),
+      body: history.isEmpty
+          ? const Center(child: Text("No history yet"))
+          : ListView.builder(
+              itemCount: history.length,
+              itemBuilder: (context, index) {
+                final item = history[index];
+
+                return ListTile(
+                  title: Text(
+                    item.summary,
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                  ),
+                  subtitle: Text(item.createdAt.toString()),
+                  onTap: () {
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (_) => MedicalInsightsScreen(
+                          symptoms: item.symptoms,
+                          medicines: item.medicines,
+                        ),
+                      ),
+                    );
+                  },
+                );
+              },
+            ),
+    );
+  }
+}
\ No newline at end of file
diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 33b414a..6454885 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -6,9 +6,11 @@ import 'package:path_provider/path_provider.dart';
 import 'package:record/record.dart';
 import 'package:permission_handler/permission_handler.dart';
 import '../data/deepgram_service.dart';
+import '../data/local_storage_service.dart';
 import '../data/gemini_service.dart';
 import '../domain/transcription_model.dart';
 import '../domain/medical_insights.dart';
+import '../domain/transcription_history_model.dart';
 
 enum TranscriptionState { idle, recording, transcribing, processing, done, error }
 
@@ -16,6 +18,7 @@ class TranscriptionController extends ChangeNotifier {
   final _audioRecorder = AudioRecorder();
   final _deepgramService = DeepgramService();
   final _geminiService = GeminiService();
+  final _localStorageService = LocalStorageService();
 
   TranscriptionState state = TranscriptionState.idle;
   TranscriptionModel data = const TranscriptionModel();
@@ -122,6 +125,17 @@ class TranscriptionController extends ChangeNotifier {
       final MedicalInsights insights =
           await _geminiService.generateInsights(transcript);
       data = data.copyWith(insights: insights);
+
+      final historyItem = TranscriptionHistoryModel(
+        transcript: transcript,
+        summary: insights.summary,
+        symptoms: insights.symptoms,
+        medicines: insights.medicines,
+        createdAt: DateTime.now(),
+      );
+
+      await _localStorageService.save(historyItem);
+      
       state = TranscriptionState.done;
       notifyListeners();
       developer.log('Gemini structured insights generated');

From b5eab34f2d0478a76393996d68c797cf888fb722 Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 20:41:20 +0530
Subject: [PATCH 14/17] feat: add persistent transcription history with
 structured insights

---
 .../transcription/data/deepgram_service.dart  |  46 +++---
 .../data/local_storage_service.dart           |  59 ++++++--
 .../domain/transcription_model.dart           |  47 ++++--
 .../presentation/history_screen.dart          |  96 ++++++++----
 .../transcription_controller.dart             | 139 ++++++------------
 5 files changed, 206 insertions(+), 181 deletions(-)

diff --git a/lib/features/transcription/data/deepgram_service.dart b/lib/features/transcription/data/deepgram_service.dart
index baf7cbc..cdacad2 100644
--- a/lib/features/transcription/data/deepgram_service.dart
+++ b/lib/features/transcription/data/deepgram_service.dart
@@ -11,14 +11,8 @@ class DeepgramService {
 
   String _resolveApiKey() {
     final configuredKey = _apiKey;
-    if (configuredKey != null && configuredKey.isNotEmpty) {
-      return configuredKey;
-    }
-    try {
-      return (dotenv.env['DEEPGRAM_API_KEY'] ?? '').trim();
-    } catch (_) {
-      return '';
-    }
+    if (configuredKey != null && configuredKey.isNotEmpty) return configuredKey;
+    return (dotenv.env['DEEPGRAM_API_KEY'] ?? '').trim();
   }
 
   Future<http.Response> _retryPost({
@@ -27,6 +21,8 @@ class DeepgramService {
     required List<int> body,
     int retries = 3,
   }) async {
+    http.Response? lastResponse;
+
     for (int attempt = 0; attempt < retries; attempt++) {
       try {
         final response = await http
@@ -35,20 +31,29 @@ class DeepgramService {
 
         if (response.statusCode == 200) return response;
 
+        lastResponse = response;
+
         if (response.statusCode >= 500) {
           await Future.delayed(Duration(seconds: 2 * (attempt + 1)));
           continue;
         } else {
-          throw Exception('Deepgram failed: ${response.statusCode} - ${response.body}');
+          throw Exception('Deepgram error (${response.statusCode}): ${response.body}');
         }
       } on TimeoutException {
-        if (attempt == retries - 1) throw Exception('Request timed out');
+        if (attempt == retries - 1) throw Exception('Deepgram request timed out');
+      } on Exception {
+        rethrow;
       } catch (e) {
         if (attempt == retries - 1) rethrow;
       }
+      
       await Future.delayed(Duration(seconds: 2 * (attempt + 1)));
     }
-    throw Exception('Failed after $retries retries');
+
+    throw Exception(
+      'Deepgram failed after $retries attempts. '
+      'Last status: ${lastResponse?.statusCode ?? "Unknown"}'
+    );
   }
 
   Future<String> transcribe(String recordingPath) async {
@@ -76,24 +81,11 @@ class DeepgramService {
   String _parseTranscript(String responseBody) {
     try {
       final decoded = json.decode(responseBody);
-
-      if (decoded is! Map<String, dynamic>) {
-        return 'No speech detected';
-      }
-
-      final results = decoded['results'];
-      final channels = results?['channels'];
+      final transcript = decoded['results']?['channels']?[0]?['alternatives']?[0]?['transcript'];
       
-      if (channels is List && channels.isNotEmpty) {
-        final alternatives = channels[0]['alternatives'];
-        if (alternatives is List && alternatives.isNotEmpty) {
-          final transcript = alternatives[0]['transcript'];
-          if (transcript is String && transcript.trim().isNotEmpty) {
-            return transcript.trim();
-          }
-        }
+      if (transcript is String && transcript.trim().isNotEmpty) {
+        return transcript.trim();
       }
-
       return 'No speech detected';
     } catch (e) {
       throw Exception('Failed to parse Deepgram response: $e');
diff --git a/lib/features/transcription/data/local_storage_service.dart b/lib/features/transcription/data/local_storage_service.dart
index 73d98c8..0d9986d 100644
--- a/lib/features/transcription/data/local_storage_service.dart
+++ b/lib/features/transcription/data/local_storage_service.dart
@@ -1,26 +1,55 @@
 import 'dart:convert';
-import 'package:shared_preferences/shared_preferences.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import '../domain/transcription_history_model.dart';
 
 class LocalStorageService {
-  static const String key = "transcription_history";
+  static const String _key = "transcription_history_secure";
+  
+  // Encrypted storage instance
+  final _storage = const FlutterSecureStorage(
+    aOptions: AndroidOptions(encryptedSharedPreferences: true),
+    iOptions: IOSOptions(accessibility: KeychainAccessibility.first_unlock),
+  );
 
+  /// Saves a history item securely by encrypting the JSON string
   Future<void> save(TranscriptionHistoryModel item) async {
-    final prefs = await SharedPreferences.getInstance();
-    final list = prefs.getStringList(key) ?? [];
-
-    list.add(jsonEncode(item.toJson()));
-    await prefs.setStringList(key, list);
+    try {
+      final List<TranscriptionHistoryModel> currentHistory = await getAll();
+      currentHistory.add(item);
+      
+      final String encodedData = jsonEncode(
+        currentHistory.map((e) => e.toJson()).toList(),
+      );
+      
+      await _storage.write(key: _key, value: encodedData);
+    } catch (e) {
+      throw Exception("Failed to secure medical data: $e");
+    }
   }
 
+  /// Retrieves and decrypts all transcription history
   Future<List<TranscriptionHistoryModel>> getAll() async {
-    final prefs = await SharedPreferences.getInstance();
-    final list = prefs.getStringList(key) ?? [];
+    try {
+      final String? securedJson = await _storage.read(key: _key);
+      
+      if (securedJson == null || securedJson.isEmpty) {
+        return [];
+      }
+
+      final List<dynamic> decodedList = jsonDecode(securedJson);
+      
+      return decodedList
+          .map((item) => TranscriptionHistoryModel.fromJson(item))
+          .toList()
+          .reversed // Newest first
+          .toList();
+    } catch (e) {
+      return [];
+    }
+  }
 
-    return list
-        .map((e) => TranscriptionHistoryModel.fromJson(jsonDecode(e)))
-        .toList()
-        .reversed
-        .toList();
+  /// Optional: Clear all history for privacy compliance
+  Future<void> clearAll() async {
+    await _storage.delete(key: _key);
   }
-}
\ No newline at end of file
+}
diff --git a/lib/features/transcription/domain/transcription_model.dart b/lib/features/transcription/domain/transcription_model.dart
index 980ce65..2b64cae 100644
--- a/lib/features/transcription/domain/transcription_model.dart
+++ b/lib/features/transcription/domain/transcription_model.dart
@@ -1,21 +1,40 @@
 import 'medical_insights.dart';
 
-class TranscriptionModel {
-  final String rawTranscript;
-  final MedicalInsights? insights;
+class TranscriptionHistoryModel {
+  final String transcript;
+  final String summary;
+  final List<String> symptoms;
+  final List<String> medicines;
+  final DateTime createdAt;
 
-  const TranscriptionModel({
-    this.rawTranscript = '',
-    this.insights,
+  const TranscriptionHistoryModel({
+    required this.transcript,
+    required this.summary,
+    required this.symptoms,
+    required this.medicines,
+    required this.createdAt,
   });
 
-  TranscriptionModel copyWith({
-    String? rawTranscript,
-    MedicalInsights? insights,
-  }) {
-    return TranscriptionModel(
-      rawTranscript: rawTranscript ?? this.rawTranscript,
-      insights: insights ?? this.insights,
+  factory TranscriptionHistoryModel.fromJson(Map<String, dynamic> json) {
+    return TranscriptionHistoryModel(
+      transcript: json['transcript'] ?? '',
+      summary: json['summary'] ?? '',
+      // FIXED: Use null-coalescing and casting to prevent crashes on missing lists
+      symptoms: (json['symptoms'] as List?)?.map((e) => e.toString()).toList() ?? [],
+      medicines: (json['medicines'] as List?)?.map((e) => e.toString()).toList() ?? [],
+      createdAt: json['createdAt'] != null 
+          ? DateTime.parse(json['createdAt']) 
+          : DateTime.now(),
     );
   }
-}
\ No newline at end of file
+
+  Map<String, dynamic> toJson() {
+    return {
+      'transcript': transcript,
+      'summary': summary,
+      'symptoms': symptoms,
+      'medicines': medicines,
+      'createdAt': createdAt.toIso8601String(),
+    };
+  }
+}
diff --git a/lib/features/transcription/presentation/history_screen.dart b/lib/features/transcription/presentation/history_screen.dart
index 6ebe1a6..9ed260b 100644
--- a/lib/features/transcription/presentation/history_screen.dart
+++ b/lib/features/transcription/presentation/history_screen.dart
@@ -12,6 +12,7 @@ class HistoryScreen extends StatefulWidget {
 
 class _HistoryScreenState extends State<HistoryScreen> {
   List<TranscriptionHistoryModel> history = [];
+  bool isLoading = true;
 
   @override
   void initState() {
@@ -20,42 +21,73 @@ class _HistoryScreenState extends State<HistoryScreen> {
   }
 
   Future<void> loadHistory() async {
-    history = await LocalStorageService().getAll();
-    setState(() {});
+    final results = await LocalStorageService().getAll();
+    
+    // FIXED: Guard against calling setState if the widget is no longer in the tree
+    if (!mounted) return;
+
+    setState(() {
+      history = results;
+      isLoading = false;
+    });
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: const Text("History")),
-      body: history.isEmpty
-          ? const Center(child: Text("No history yet"))
-          : ListView.builder(
-              itemCount: history.length,
-              itemBuilder: (context, index) {
-                final item = history[index];
-
-                return ListTile(
-                  title: Text(
-                    item.summary,
-                    maxLines: 1,
-                    overflow: TextOverflow.ellipsis,
-                  ),
-                  subtitle: Text(item.createdAt.toString()),
-                  onTap: () {
-                    Navigator.push(
-                      context,
-                      MaterialPageRoute(
-                        builder: (_) => MedicalInsightsScreen(
-                          symptoms: item.symptoms,
-                          medicines: item.medicines,
-                        ),
-                      ),
-                    );
-                  },
-                );
-              },
-            ),
+      appBar: AppBar(title: const Text("Transcription History")),
+      body: _buildBody(),
+    );
+  }
+
+  Widget _buildBody() {
+    if (isLoading) {
+      return const Center(child: CircularProgressIndicator());
+    }
+
+    if (history.isEmpty) {
+      return const Center(child: Text("No history found"));
+    }
+
+    return ListView.builder(
+      itemCount: history.length,
+      padding: const EdgeInsets.symmetric(vertical: 8),
+      itemBuilder: (context, index) {
+        final item = history[index];
+
+        return ListTile(
+          leading: const Icon(Icons.history_medical, color: Colors.blue),
+          title: Text(
+            item.summary.isNotEmpty ? item.summary : "No Summary Available",
+            maxLines: 1,
+            overflow: TextOverflow.ellipsis,
+            style: const TextStyle(fontWeight: FontWeight.w600),
+          ),
+          subtitle: Text(
+            _formatDate(item.createdAt),
+            style: TextStyle(color: Colors.grey[600], fontSize: 12),
+          ),
+          trailing: const Icon(Icons.chevron_right),
+          onTap: () {
+            // FIXED: Passing full data so the insights screen isn't incomplete
+            Navigator.push(
+              context,
+              MaterialPageRoute(
+                builder: (_) => MedicalInsightsScreen(
+                  symptoms: item.symptoms,
+                  medicines: item.medicines,
+                  summary: item.summary, // Added summary
+                  transcript: item.transcript, // Added transcript if supported
+                ),
+              ),
+            );
+          },
+        );
+      },
     );
   }
-}
\ No newline at end of file
+
+  String _formatDate(DateTime date) {
+    return "${date.day}/${date.month}/${date.year} ${date.hour}:${date.minute.toString().padLeft(2, '0')}";
+  }
+}
diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 6454885..e82c943 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -1,10 +1,10 @@
 import 'dart:developer' as developer;
-import 'dart:math';
 import 'dart:async';
 import 'package:flutter/foundation.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:record/record.dart';
 import 'package:permission_handler/permission_handler.dart';
+
 import '../data/deepgram_service.dart';
 import '../data/local_storage_service.dart';
 import '../data/gemini_service.dart';
@@ -18,6 +18,7 @@ class TranscriptionController extends ChangeNotifier {
   final _audioRecorder = AudioRecorder();
   final _deepgramService = DeepgramService();
   final _geminiService = GeminiService();
+  
   final _localStorageService = LocalStorageService();
 
   TranscriptionState state = TranscriptionState.idle;
@@ -25,10 +26,9 @@ class TranscriptionController extends ChangeNotifier {
 
   String? errorMessage;
   String _recordingPath = '';
-
   final List<double> waveformValues = List.filled(40, 0.0);
-
   Timer? _waveformTimer;
+
   bool get isRecording => state == TranscriptionState.recording;
   bool get isProcessing =>
       state == TranscriptionState.transcribing ||
@@ -36,96 +36,66 @@ class TranscriptionController extends ChangeNotifier {
 
   String get transcription => data.rawTranscript;
   String get summary => data.insights?.summary ?? '';
-
+  String get prescription => data.prescription ?? ''; // FIXED: Return actual prescription
+  
   List<String> get symptoms => List.unmodifiable(data.insights?.symptoms ?? []);
   List<String> get medicines => List.unmodifiable(data.insights?.medicines ?? []);
 
-  @Deprecated('Use summary, symptoms, or medicines instead')
-  String get prescription => summary;
+  bool get hasInsights => symptoms.isNotEmpty || medicines.isNotEmpty || summary.isNotEmpty;
 
   Future<bool> requestPermissions() async {
     final status = await Permission.microphone.request();
     if (status.isGranted) return true;
-    if (status.isPermanentlyDenied) {
-      _setError('Microphone permission permanently denied. Please enable it in settings.');
-      return false;
-    }
-    _setError('Microphone permission denied');
+    
+    _setError(status.isPermanentlyDenied 
+        ? 'Microphone permission permanently denied. Please enable it in settings.' 
+        : 'Microphone permission denied');
     return false;
   }
 
-  Future<void> toggleRecording() async {
-    if (isRecording) {
-      await _stopRecording();
-    } else {
-      await _startRecording();
-    }
-  }
-
-  Future<void> _startRecording() async {
-    try {
-      if (!await _audioRecorder.hasPermission()) {
-        final granted = await requestPermissions();
-        if (!granted) return;
-      }
-      final directory = await getTemporaryDirectory();
-      _recordingPath =
-          '${directory.path}/recording_${DateTime.now().millisecondsSinceEpoch}.m4a';
-      await _audioRecorder.start(
-        RecordConfig(
-          encoder: AudioEncoder.aacLc,
-          bitRate: 128000,
-          sampleRate: 44100,
-        ),
-        path: _recordingPath,
-      );
-      data = const TranscriptionModel();
-      state = TranscriptionState.recording;
-      _startWaveformAnimation();
+  Future<void> _processWithGemini(String transcript) async {
+    // 1. Handle Empty Input Early
+    if (transcript.trim().isEmpty || transcript == "No speech detected") {
+      state = TranscriptionState.idle;
       notifyListeners();
-      developer.log('Started recording to: $_recordingPath');
-    } catch (e) {
-      _setError('Error starting recording: $e');
+      return;
     }
-  }
 
-  Future<void> _stopRecording() async {
     try {
-      _waveformTimer?.cancel();
-      _resetWaveform();
-      await _audioRecorder.stop();
-      state = TranscriptionState.transcribing;
+      state = TranscriptionState.processing;
       notifyListeners();
-      developer.log('Recording stopped, transcribing...');
-      await _transcribe();
-    } catch (e) {
-      _setError('Error stopping recording: $e');
-    }
-  }
 
-  Future<void> _transcribe() async {
-    try {
-      final transcript = await _deepgramService.transcribe(_recordingPath);
-      data = data.copyWith(rawTranscript: transcript);
-      state = TranscriptionState.processing;
+      // Parallelize AI calls for better performance
+      final results = await Future.wait([
+        _geminiService.generateSummary(transcript),
+        _geminiService.generatePrescription(transcript),
+        _geminiService.generateInsights(transcript),
+      ]);
+
+      final String summaryText = results[0] as String;
+      final String prescriptionText = results[1] as String;
+      final MedicalInsights insights = results[2] as MedicalInsights;
+
+      data = data.copyWith(
+        insights: insights,
+        summary: summaryText,
+        prescription: prescriptionText,
+      );
+
+      // 2. Mark UI Done BEFORE persistence to ensure responsiveness
+      state = TranscriptionState.done;
       notifyListeners();
-      if (transcript.isNotEmpty && transcript != 'No speech detected') {
-        await _processWithGemini(transcript);
-      } else {
-        state = TranscriptionState.done;
-        notifyListeners();
-      }
+
+      // 3. Isolated Persistence (Doesn't break UI on failure)
+      _persistHistory(transcript, insights);
+
     } catch (e) {
-      _setError('Transcription error: $e');
+      _setError('Gemini error: $e');
     }
   }
 
-  Future<void> _processWithGemini(String transcript) async {
+  Future<void> _persistHistory(String transcript, MedicalInsights insights) async {
     try {
-      final MedicalInsights insights =
-          await _geminiService.generateInsights(transcript);
-      data = data.copyWith(insights: insights);
-
       final historyItem = TranscriptionHistoryModel(
         transcript: transcript,
         summary: insights.summary,
@@ -133,29 +103,10 @@ class TranscriptionController extends ChangeNotifier {
         medicines: insights.medicines,
         createdAt: DateTime.now(),
       );
-
       await _localStorageService.save(historyItem);
-      
-      state = TranscriptionState.done;
-      notifyListeners();
-      developer.log('Gemini structured insights generated');
+      developer.log('History persisted successfully');
     } catch (e) {
-      _setError('Gemini error: $e');
-    }
-  }
-
-  void _startWaveformAnimation() {
-    _waveformTimer = Timer.periodic(const Duration(milliseconds: 100), (_) {
-      for (int i = 0; i < waveformValues.length; i++) {
-        waveformValues[i] = Random().nextDouble();
-      }
-      notifyListeners();
-    });
-  }
-
-  void _resetWaveform() {
-    for (int i = 0; i < waveformValues.length; i++) {
-      waveformValues[i] = 0.0;
+      developer.log('Persistence failed: $e', level: 1000);
     }
   }
 
@@ -163,7 +114,7 @@ class TranscriptionController extends ChangeNotifier {
     errorMessage = message;
     state = TranscriptionState.error;
     notifyListeners();
-    developer.log(message);
+    developer.log(message, name: 'TranscriptionController', error: message);
   }
 
   void checkConfigStatus(bool isLoaded) {
@@ -179,3 +130,5 @@ class TranscriptionController extends ChangeNotifier {
     super.dispose();
   }
 }
+
+

From 916c5664a58c9a65d0a55db649a72831edd9db7b Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 21:00:37 +0530
Subject: [PATCH 15/17] feat: add persistent transcription history with
 structured insights

---
 .../gradle/wrapper/gradle-wrapper.properties  |   2 +-
 android/settings.gradle                       |   2 +-
 .../data/local_storage_service.dart           |  56 +++------
 .../domain/transcription_history_model.dart   |  50 ++++----
 .../transcription_controller.dart             | 114 ++++++++----------
 linux/flutter/generated_plugin_registrant.cc  |   4 +
 linux/flutter/generated_plugins.cmake         |   1 +
 macos/Flutter/GeneratedPluginRegistrant.swift |   2 +
 pubspec.lock                                  |  56 +++++++++
 pubspec.yaml                                  |   1 +
 10 files changed, 152 insertions(+), 136 deletions(-)

diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index aa49780..3c85cfe 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip
diff --git a/android/settings.gradle b/android/settings.gradle
index a42444d..10fd726 100644
--- a/android/settings.gradle
+++ b/android/settings.gradle
@@ -18,7 +18,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.2.1" apply false
+    id "com.android.application" version "8.6.0" apply false
     id "org.jetbrains.kotlin.android" version "1.8.22" apply false
 }
 
diff --git a/lib/features/transcription/data/local_storage_service.dart b/lib/features/transcription/data/local_storage_service.dart
index 0d9986d..256ee59 100644
--- a/lib/features/transcription/data/local_storage_service.dart
+++ b/lib/features/transcription/data/local_storage_service.dart
@@ -4,52 +4,26 @@ import '../domain/transcription_history_model.dart';
 
 class LocalStorageService {
   static const String _key = "transcription_history_secure";
-  
-  // Encrypted storage instance
-  final _storage = const FlutterSecureStorage(
-    aOptions: AndroidOptions(encryptedSharedPreferences: true),
-    iOptions: IOSOptions(accessibility: KeychainAccessibility.first_unlock),
-  );
+  final _storage = const FlutterSecureStorage();
 
-  /// Saves a history item securely by encrypting the JSON string
-  Future<void> save(TranscriptionHistoryModel item) async {
+  // Internal helper to get RAW list without reversing (prevents corruption)
+  Future<List<TranscriptionHistoryModel>> _getRawList() async {
     try {
-      final List<TranscriptionHistoryModel> currentHistory = await getAll();
-      currentHistory.add(item);
-      
-      final String encodedData = jsonEncode(
-        currentHistory.map((e) => e.toJson()).toList(),
-      );
-      
-      await _storage.write(key: _key, value: encodedData);
-    } catch (e) {
-      throw Exception("Failed to secure medical data: $e");
-    }
+      final jsonStr = await _storage.read(key: _key);
+      if (jsonStr == null) return [];
+      final List<dynamic> decoded = jsonDecode(jsonStr);
+      return decoded.map((item) => TranscriptionHistoryModel.fromJson(item)).toList();
+    } catch (_) { return []; }
   }
 
-  /// Retrieves and decrypts all transcription history
-  Future<List<TranscriptionHistoryModel>> getAll() async {
-    try {
-      final String? securedJson = await _storage.read(key: _key);
-      
-      if (securedJson == null || securedJson.isEmpty) {
-        return [];
-      }
-
-      final List<dynamic> decodedList = jsonDecode(securedJson);
-      
-      return decodedList
-          .map((item) => TranscriptionHistoryModel.fromJson(item))
-          .toList()
-          .reversed // Newest first
-          .toList();
-    } catch (e) {
-      return [];
-    }
+  Future<void> save(TranscriptionHistoryModel item) async {
+    final list = await _getRawList(); // Get chronological order
+    list.add(item);
+    await _storage.write(key: _key, value: jsonEncode(list.map((e) => e.toJson()).toList()));
   }
 
-  /// Optional: Clear all history for privacy compliance
-  Future<void> clearAll() async {
-    await _storage.delete(key: _key);
+  Future<List<TranscriptionHistoryModel>> getAll() async {
+    final list = await _getRawList();
+    return list.reversed.toList(); // Reverse ONLY for UI display
   }
 }
diff --git a/lib/features/transcription/domain/transcription_history_model.dart b/lib/features/transcription/domain/transcription_history_model.dart
index 1f26940..4a42a57 100644
--- a/lib/features/transcription/domain/transcription_history_model.dart
+++ b/lib/features/transcription/domain/transcription_history_model.dart
@@ -1,33 +1,29 @@
-class TranscriptionHistoryModel {
-  final String transcript;
+import 'medical_insights.dart';
+
+class TranscriptionModel {
+  final String rawTranscript;
   final String summary;
-  final List<String> symptoms;
-  final List<String> medicines;
-  final DateTime createdAt;
+  final String prescription;
+  final MedicalInsights? insights;
 
-  TranscriptionHistoryModel({
-    required this.transcript,
-    required this.summary,
-    required this.symptoms,
-    required this.medicines,
-    required this.createdAt,
+  const TranscriptionModel({
+    this.rawTranscript = '',
+    this.summary = '',
+    this.prescription = '',
+    this.insights,
   });
 
-  Map<String, dynamic> toJson() => {
-        'transcript': transcript,
-        'summary': summary,
-        'symptoms': symptoms,
-        'medicines': medicines,
-        'createdAt': createdAt.toIso8601String(),
-      };
-
-  factory TranscriptionHistoryModel.fromJson(Map<String, dynamic> json) {
-    return TranscriptionHistoryModel(
-      transcript: json['transcript'],
-      summary: json['summary'],
-      symptoms: List<String>.from(json['symptoms']),
-      medicines: List<String>.from(json['medicines']),
-      createdAt: DateTime.parse(json['createdAt']),
+  TranscriptionModel copyWith({
+    String? rawTranscript,
+    String? summary,
+    String? prescription,
+    MedicalInsights? insights,
+  }) {
+    return TranscriptionModel(
+      rawTranscript: rawTranscript ?? this.rawTranscript,
+      summary: summary ?? this.summary,
+      prescription: prescription ?? this.prescription,
+      insights: insights ?? this.insights,
     );
   }
-}
\ No newline at end of file
+}
diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index e82c943..1f3f1d6 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -1,13 +1,12 @@
-import 'dart:developer' as developer;
 import 'dart:async';
+import 'dart:developer' as developer;
 import 'package:flutter/foundation.dart';
-import 'package:path_provider/path_provider.dart';
 import 'package:record/record.dart';
-import 'package:permission_handler/permission_handler.dart';
+import 'package:path_provider/path_provider.dart';
 
 import '../data/deepgram_service.dart';
-import '../data/local_storage_service.dart';
 import '../data/gemini_service.dart';
+import '../data/local_storage_service.dart';
 import '../domain/transcription_model.dart';
 import '../domain/medical_insights.dart';
 import '../domain/transcription_history_model.dart';
@@ -18,103 +17,86 @@ class TranscriptionController extends ChangeNotifier {
   final _audioRecorder = AudioRecorder();
   final _deepgramService = DeepgramService();
   final _geminiService = GeminiService();
-  
   final _localStorageService = LocalStorageService();
 
   TranscriptionState state = TranscriptionState.idle;
   TranscriptionModel data = const TranscriptionModel();
-
   String? errorMessage;
   String _recordingPath = '';
-  final List<double> waveformValues = List.filled(40, 0.0);
-  Timer? _waveformTimer;
 
   bool get isRecording => state == TranscriptionState.recording;
-  bool get isProcessing =>
-      state == TranscriptionState.transcribing ||
-      state == TranscriptionState.processing;
 
+  // UI Helper Getters
   String get transcription => data.rawTranscript;
   String get summary => data.insights?.summary ?? '';
-  String get prescription => data.prescription ?? ''; // FIXED: Return actual prescription
-  
-  List<String> get symptoms => List.unmodifiable(data.insights?.symptoms ?? []);
-  List<String> get medicines => List.unmodifiable(data.insights?.medicines ?? []);
-
-  bool get hasInsights => symptoms.isNotEmpty || medicines.isNotEmpty || summary.isNotEmpty;
-
-  Future<bool> requestPermissions() async {
-    final status = await Permission.microphone.request();
-    if (status.isGranted) return true;
-    
-    _setError(status.isPermanentlyDenied 
-        ? 'Microphone permission permanently denied. Please enable it in settings.' 
-        : 'Microphone permission denied');
-    return false;
+  List<String> get symptoms => data.insights?.symptoms ?? [];
+  List<String> get medicines => data.insights?.medicines ?? [];
+
+  Future<void> toggleRecording() async {
+    isRecording ? await _stopRecording() : await _startRecording();
   }
 
-  Future<void> _processWithGemini(String transcript) async {
-    // 1. Handle Empty Input Early
-    if (transcript.trim().isEmpty || transcript == "No speech detected") {
-      state = TranscriptionState.idle;
+  Future<void> _startRecording() async {
+    try {
+      if (!await _audioRecorder.hasPermission()) return;
+      final dir = await getTemporaryDirectory();
+      _recordingPath = '${dir.path}/rec_${DateTime.now().millisecondsSinceEpoch}.m4a';
+      
+      await _audioRecorder.start(const RecordConfig(), path: _recordingPath);
+      state = TranscriptionState.recording;
+      data = const TranscriptionModel(); 
       notifyListeners();
-      return;
-    }
+    } catch (e) { _setError("Record start failed: $e"); }
+  }
 
+  Future<void> _stopRecording() async {
     try {
-      state = TranscriptionState.processing;
+      final path = await _audioRecorder.stop();
+      if (path == null) return;
+      
+      state = TranscriptionState.transcribing;
       notifyListeners();
+      
+      final transcript = await _deepgramService.transcribe(path);
+      await _processWithGemini(transcript);
+    } catch (e) { _setError("Transcription failed: $e"); }
+  }
 
-      // Parallelize AI calls for better performance
-      final results = await Future.wait([
-        _geminiService.generateSummary(transcript),
-        _geminiService.generatePrescription(transcript),
-        _geminiService.generateInsights(transcript),
-      ]);
-
-      final String summaryText = results[0] as String;
-      final String prescriptionText = results[1] as String;
-      final MedicalInsights insights = results[2] as MedicalInsights;
+  Future<void> _processWithGemini(String transcript) async {
+    state = TranscriptionState.processing;
+    notifyListeners();
 
+    try {
+      // GeminiService only has generateInsights; we derive summary from it.
+      final insights = await _geminiService.generateInsights(transcript);
+      
       data = data.copyWith(
+        rawTranscript: transcript,
         insights: insights,
-        summary: summaryText,
-        prescription: prescriptionText,
+        summary: insights.summary,
       );
 
-      // 2. Mark UI Done BEFORE persistence to ensure responsiveness
-      state = TranscriptionState.done;
-      notifyListeners();
-
-      // 3. Isolated Persistence (Doesn't break UI on failure)
-      _persistHistory(transcript, insights);
-
-    } catch (e) {
-      _setError('Gemini error: $e');
-    }
-  }
-
-  Future<void> _persistHistory(String transcript, MedicalInsights insights) async {
-    try {
-      final historyItem = TranscriptionHistoryModel(
+      final history = TranscriptionHistoryModel(
         transcript: transcript,
         summary: insights.summary,
         symptoms: insights.symptoms,
         medicines: insights.medicines,
         createdAt: DateTime.now(),
       );
-      await _localStorageService.save(historyItem);
-      developer.log('History persisted successfully');
+
+      await _localStorageService.save(history);
+      state = TranscriptionState.done;
     } catch (e) {
-      developer.log('Persistence failed: $e', level: 1000);
+      _setError("AI Processing failed: $e");
+    } finally {
+      notifyListeners();
     }
   }
 
-  void _setError(String message) {
-    errorMessage = message;
+  void _setError(String msg) {
+    errorMessage = msg;
     state = TranscriptionState.error;
     notifyListeners();
-    developer.log(message, name: 'TranscriptionController', error: message);
   }
 
   void checkConfigStatus(bool isLoaded) {
diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc
index 7415768..dd2b952 100644
--- a/linux/flutter/generated_plugin_registrant.cc
+++ b/linux/flutter/generated_plugin_registrant.cc
@@ -6,10 +6,14 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
 #include <record_linux/record_linux_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
+  flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
   g_autoptr(FlPluginRegistrar) record_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "RecordLinuxPlugin");
   record_linux_plugin_register_with_registrar(record_linux_registrar);
diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake
index cf0c42e..4cb83d1 100644
--- a/linux/flutter/generated_plugins.cmake
+++ b/linux/flutter/generated_plugins.cmake
@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  flutter_secure_storage_linux
   record_linux
   url_launcher_linux
 )
diff --git a/macos/Flutter/GeneratedPluginRegistrant.swift b/macos/Flutter/GeneratedPluginRegistrant.swift
index a235ca0..14e18af 100644
--- a/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -5,11 +5,13 @@
 import FlutterMacOS
 import Foundation
 
+import flutter_secure_storage_macos
 import path_provider_foundation
 import record_darwin
 import share_plus
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   RecordPlugin.register(with: registry.registrar(forPlugin: "RecordPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
diff --git a/pubspec.lock b/pubspec.lock
index 359c186..e2c275e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -134,6 +134,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.6.23"
+  flutter_secure_storage:
+    dependency: "direct main"
+    description:
+      name: flutter_secure_storage
+      sha256: "9cad52d75ebc511adfae3d447d5d13da15a55a92c9410e50f67335b6d21d16ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.2.4"
+  flutter_secure_storage_linux:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_linux
+      sha256: be76c1d24a97d0b98f8b54bce6b481a380a6590df992d0098f868ad54dc8f688
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.3"
+  flutter_secure_storage_macos:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_macos
+      sha256: "6c0a2795a2d1de26ae202a0d78527d163f4acbb11cde4c75c670f3a0fc064247"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
+  flutter_secure_storage_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_platform_interface
+      sha256: cf91ad32ce5adef6fba4d736a542baca9daf3beac4db2d04be350b87f69ac4a8
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  flutter_secure_storage_web:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_web
+      sha256: f4ebff989b4f07b2656fb16b47852c0aab9fed9b4ec1c70103368337bc1886a9
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  flutter_secure_storage_windows:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_windows
+      sha256: b20b07cb5ed4ed74fc567b78a72936203f587eba460af1df11281c9326cd3709
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -160,6 +208,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.2"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.7"
   leak_tracker:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 52c287a..cee651a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -39,6 +39,7 @@ dependencies:
   share_plus: ^7.0.0
   flutter_dotenv: ^5.1.0
   provider: ^6.1.5+1
+  flutter_secure_storage: ^9.2.2
 
 dev_dependencies:
   flutter_test:

From 12cce525527a7aa37ed6be6df22c45882047c57d Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 21:12:32 +0530
Subject: [PATCH 16/17] feat: add persistent transcription history with
 structured insights

---
 .../transcription_controller.dart             | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 1f3f1d6..84d121e 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -24,6 +24,10 @@ class TranscriptionController extends ChangeNotifier {
   String? errorMessage;
   String _recordingPath = '';
 
+  // FIXED: Declared missing waveform fields
+  final List<double> waveformValues = List.filled(40, 0.0);
+  Timer? _waveformTimer;
+
   bool get isRecording => state == TranscriptionState.recording;
 
   // UI Helper Getters
@@ -63,11 +67,16 @@ class TranscriptionController extends ChangeNotifier {
   }
 
   Future<void> _processWithGemini(String transcript) async {
+    if (transcript.isEmpty || transcript == "No speech detected") {
+      state = TranscriptionState.idle;
+      notifyListeners();
+      return;
+    }
+
     state = TranscriptionState.processing;
     notifyListeners();
 
     try {
-      // GeminiService only has generateInsights; we derive summary from it.
       final insights = await _geminiService.generateInsights(transcript);
       
       data = data.copyWith(
@@ -100,9 +109,9 @@ class TranscriptionController extends ChangeNotifier {
   }
 
   void checkConfigStatus(bool isLoaded) {
-  if (!isLoaded) {
-    _setError('Configuration Error: API keys could not be loaded. Please check your .env file.');
-  }
+    if (!isLoaded) {
+      _setError('Configuration Error: API keys could not be loaded. Please check your .env file.');
+    }
   }
   
   @override
@@ -112,5 +121,3 @@ class TranscriptionController extends ChangeNotifier {
     super.dispose();
   }
 }
-
-

From f1ec913cbebffe2bb3ad62f9ec34e5f77f53698b Mon Sep 17 00:00:00 2001
From: shwet-07 <shwetasalunkhe281@gmail.com>
Date: Sun, 29 Mar 2026 21:23:14 +0530
Subject: [PATCH 17/17] feat: add persistent transcription history with
 structured insights

---
 .../presentation/transcription_controller.dart       | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/features/transcription/presentation/transcription_controller.dart b/lib/features/transcription/presentation/transcription_controller.dart
index 84d121e..39ceefe 100644
--- a/lib/features/transcription/presentation/transcription_controller.dart
+++ b/lib/features/transcription/presentation/transcription_controller.dart
@@ -42,7 +42,11 @@ class TranscriptionController extends ChangeNotifier {
 
   Future<void> _startRecording() async {
     try {
-      if (!await _audioRecorder.hasPermission()) return;
+      if (!await _audioRecorder.hasPermission()) {
+        // FIXED: Provide user feedback instead of failing silently
+        _setError("Microphone permission is required to record audio.");
+        return;
+      }
       final dir = await getTemporaryDirectory();
       _recordingPath = '${dir.path}/rec_${DateTime.now().millisecondsSinceEpoch}.m4a';
       
@@ -56,7 +60,11 @@ class TranscriptionController extends ChangeNotifier {
   Future<void> _stopRecording() async {
     try {
       final path = await _audioRecorder.stop();
-      if (path == null) return;
+      if (path == null) {
+        state = TranscriptionState.idle;
+        notifyListeners();
+        return;
+      }
       
       state = TranscriptionState.transcribing;
       notifyListeners();