diff --git a/scripts/validate_bicep_params.py b/scripts/validate_bicep_params.py
index 9320633a..b8d27b8c 100644
--- a/scripts/validate_bicep_params.py
+++ b/scripts/validate_bicep_params.py
@@ -110,7 +110,7 @@ def parse_parameters_env_vars(json_path: Path) -> dict[str, list[str]]:
         data = json.loads(sanitized)
         params = data.get("parameters", {})
     except json.JSONDecodeError:
-        pass
+        pass  # File is not valid JSON after azd variable substitution; fall through to regex scan
 
     # Walk each top-level parameter and scan its entire serialized value
     # for ${VAR} references from the original text.
diff --git a/src/backend-api/src/app/application.py b/src/backend-api/src/app/application.py
index 4100decf..80094ffe 100644
--- a/src/backend-api/src/app/application.py
+++ b/src/backend-api/src/app/application.py
@@ -133,7 +133,7 @@ def _register_dependencies(self):
             )
             .add_singleton(ILoggerService, ConsoleLoggerService)
             .add_transient(IHttpService, HttpClientService)
-            .add_singleton(IDataService, lambda: InMemoryDataService())
+            .add_singleton(IDataService, InMemoryDataService)
         )
 
     def run(self, host: str = "0.0.0.0", port: int = 8000, reload: bool = True):
diff --git a/src/backend-api/src/app/libs/base/SKLogicBase.py b/src/backend-api/src/app/libs/base/SKLogicBase.py
index 1659712a..b9a2a17f 100644
--- a/src/backend-api/src/app/libs/base/SKLogicBase.py
+++ b/src/backend-api/src/app/libs/base/SKLogicBase.py
@@ -81,7 +81,7 @@ def _init_agent(self):
         """
         raise NotImplementedError("This method should be overridden in subclasses")
 
-    async def execute(func_params: dict[str, any]):
+    async def execute(self, func_params: dict[str, any]):
         raise NotImplementedError("Execute method not implemented")
 
     @overload
@@ -92,7 +92,7 @@ async def execute_thread(
         thread: AgentThread | AssistantAgentThread | AzureAIAgentThread = None,
     ) -> tuple[str, AgentThread | AssistantAgentThread | AzureAIAgentThread]:
         """When response_format is None, returns string response."""
-        ...
+        pass
 
     @overload
     async def execute_thread(
@@ -102,7 +102,7 @@ async def execute_thread(
         thread: AgentThread | AssistantAgentThread | AzureAIAgentThread = None,
     ) -> tuple[T, AgentThread | AssistantAgentThread | AzureAIAgentThread]:
         """When response_format is provided, returns typed Pydantic BaseModel response."""
-        ...
+        pass
 
     @abstractmethod
     async def execute_thread(
diff --git a/src/backend-api/src/app/libs/base/fastapi_protocol.py b/src/backend-api/src/app/libs/base/fastapi_protocol.py
index cf9622d0..1a87bf74 100644
--- a/src/backend-api/src/app/libs/base/fastapi_protocol.py
+++ b/src/backend-api/src/app/libs/base/fastapi_protocol.py
@@ -16,7 +16,8 @@ class FastAPIWithContext(Protocol):
     app_context: AppContext
 
     # Include essential FastAPI methods for type checking
-    def include_router(self, *args, **kwargs) -> None: ...
+    def include_router(self, *args, **kwargs) -> None:
+        pass
 
 
 def add_app_context_to_fastapi(
diff --git a/src/backend-api/src/tests/application/test_dependency_injection.py b/src/backend-api/src/tests/application/test_dependency_injection.py
index 15fd9527..7db8c277 100644
--- a/src/backend-api/src/tests/application/test_dependency_injection.py
+++ b/src/backend-api/src/tests/application/test_dependency_injection.py
@@ -126,7 +126,7 @@ def test_factory_registration():
     app_context = AppContext()
 
     # Register with factory function
-    app_context.add_singleton(IDataService, lambda: InMemoryDataService())
+    app_context.add_singleton(IDataService, InMemoryDataService)
 
     data_service = app_context.get_service(IDataService)
     assert isinstance(data_service, InMemoryDataService)
diff --git a/src/frontend/frontend_server.py b/src/frontend/frontend_server.py
index 1ab61f5a..0d8a2113 100644
--- a/src/frontend/frontend_server.py
+++ b/src/frontend/frontend_server.py
@@ -4,7 +4,7 @@
 from dotenv import load_dotenv
 from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi.responses import FileResponse, HTMLResponse, JSONResponse
+from fastapi.responses import FileResponse, JSONResponse
 from fastapi.staticfiles import StaticFiles
 
 # Load environment variables from .env file
@@ -42,7 +42,6 @@ async def serve_index():
 async def get_config(request: Request):
     # Only serve config to same-origin requests by checking the Referer/Origin
     origin = request.headers.get("origin") or ""
-    referer = request.headers.get("referer") or ""
     host = request.headers.get("host") or ""
     if origin and not origin.endswith(host):
         return JSONResponse(status_code=403, content={"detail": "Forbidden"})
diff --git a/src/frontend/src/api/utils.tsx b/src/frontend/src/api/utils.tsx
index 95ce5459..5bbedf36 100644
--- a/src/frontend/src/api/utils.tsx
+++ b/src/frontend/src/api/utils.tsx
@@ -414,7 +414,7 @@ export const renderErrorSection = (batchSummary, expandedSections, setExpandedSe
 
 export const renderErrorContent = (batchSummary) => {
   // Group errors by file
-  const errorFiles = batchSummary.files.filter(file => file.error_count && file.error_count);
+  const errorFiles = batchSummary.files.filter(file => file.error_count > 0);
   if (errorFiles.length === 0) {
     return (
       <div className={useStyles().errorItem}>
diff --git a/src/frontend/src/commonComponents/ProgressModal/progressModal.tsx b/src/frontend/src/commonComponents/ProgressModal/progressModal.tsx
index 3f741260..f800e29e 100644
--- a/src/frontend/src/commonComponents/ProgressModal/progressModal.tsx
+++ b/src/frontend/src/commonComponents/ProgressModal/progressModal.tsx
@@ -41,8 +41,8 @@ const ProgressModal: React.FC<ProgressModalProps> = ({
 }) => {
   // Calculate progress percentage based on step (stable step-level identifier)
   const getProgressPercentage = () => {
+    if (processingCompleted) return 100;
     if (migrationError) return 0; // Show 0% progress for errors
-    if (processingCompleted && !migrationError) return 100;
     if (!apiData) return 0;
 
     // Use apiData.step (stable: "analysis", "design", "yaml_conversion", "documentation")
diff --git a/src/frontend/src/components/batchHistoryPanel.tsx b/src/frontend/src/components/batchHistoryPanel.tsx
index 0e0259d9..d180b78c 100644
--- a/src/frontend/src/components/batchHistoryPanel.tsx
+++ b/src/frontend/src/components/batchHistoryPanel.tsx
@@ -21,7 +21,7 @@ interface BatchHistoryItem {
   status: string;
 }
 const HistoryPanel: React.FC<HistoryPanelProps> = ({ isOpen, onClose }) => {
-  const headers = {}
+  const headers = {};
   const [batchHistory, setBatchHistory] = useState<BatchHistoryItem[]>([]);
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState<string | null>(null);
@@ -81,46 +81,6 @@ const HistoryPanel: React.FC<HistoryPanelProps> = ({ isOpen, onClose }) => {
     }
   };
 
-  // Function to categorize batches
-  const categorizeBatches = () => {
-    const now = new Date();
-    const userTimeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;
-
-    // Get start of "Today", "Past 7 days", and "Past 30 days" in LOCAL time
-    const todayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate());
-    const past7DaysStart = new Date(todayStart);
-    const past30DaysStart = new Date(todayStart);
-
-    past7DaysStart.setDate(todayStart.getDate() - 7);
-    past30DaysStart.setDate(todayStart.getDate() - 30);
-
-    const todayBatches: BatchHistoryItem[] = [];
-    const past7DaysBatches: BatchHistoryItem[] = [];
-    const past30DaysBatches: BatchHistoryItem[] = [];
-
-    batchHistory.forEach(batch => {
-      // Convert UTC timestamp to user's local date
-      const updatedAtUTC = new Date(batch.created_at);
-      const updatedAtLocal = new Date(updatedAtUTC.toLocaleString("en-US", { timeZone: userTimeZone }));
-
-      // Extract only the local **date** part for comparison
-      const updatedDate = new Date(updatedAtLocal.getFullYear(), updatedAtLocal.getMonth(), updatedAtLocal.getDate());
-
-      // Categorize based on **exact day comparison**
-      if (updatedDate.getTime() === todayStart.getTime()) {
-        todayBatches.push(batch);
-      } else if (updatedDate.getTime() >= past7DaysStart.getTime()) {
-        past7DaysBatches.push(batch);
-      } else if (updatedDate.getTime() >= past30DaysStart.getTime()) {
-        past30DaysBatches.push(batch);
-      }
-    });
-
-    return { todayBatches, past7DaysBatches, past30DaysBatches };
-  };
-
-  // const { todayBatches, past7DaysBatches, past30DaysBatches } = categorizeBatches();
-
   const deleteBatchFromHistory = (batchId: string) => {
     // Get the current URL path
     const currentPath = window.location.pathname;
diff --git a/src/frontend/src/components/bottomBar.tsx b/src/frontend/src/components/bottomBar.tsx
index 3041a988..e43aa3d9 100644
--- a/src/frontend/src/components/bottomBar.tsx
+++ b/src/frontend/src/components/bottomBar.tsx
@@ -1,5 +1,5 @@
 import { Button, Card, Dropdown, DropdownProps, Option } from "@fluentui/react-components"
-import React, { useState } from "react"
+import React from "react"
 import { useNavigate } from "react-router-dom"
 
 // Define possible upload states
diff --git a/src/frontend/src/components/uploadButton.tsx b/src/frontend/src/components/uploadButton.tsx
index 345bba5b..631493ea 100644
--- a/src/frontend/src/components/uploadButton.tsx
+++ b/src/frontend/src/components/uploadButton.tsx
@@ -9,7 +9,7 @@ import {
   Tooltip,
 } from "@fluentui/react-components";
 import { MessageBar, MessageBarType } from "@fluentui/react";
-import { deleteBatch, deleteFileFromBatch, createProcess, uploadFiles, startProcessing, deleteFile } from '../slices/batchSlice';
+import { deleteBatch, createProcess, uploadFiles, startProcessing, deleteFile } from '../slices/batchSlice';
 import { useDispatch } from 'react-redux';
 import ConfirmationDialog from '../commonComponents/ConfirmationDialog/confirmationDialogue';
 import { AppDispatch } from '../store/store'
@@ -53,7 +53,6 @@ const FileUploadZone: React.FC<FileUploadZoneProps> = ({
   const [allUploadsComplete, setAllUploadsComplete] = useState(false);
   const [fileLimitExceeded, setFileLimitExceeded] = useState(false);
   const [showFileLimitDialog, setShowFileLimitDialog] = useState(false);
-  const [isCreatingProcess, setIsCreatingProcess] = useState(false);
   const [rejectedFiles, setRejectedFiles] = useState<FileRejection[]>([]);
   const [showFileRejectionError, setShowFileRejectionError] = useState(false);
   const [showNetworkError, setShowNetworkError] = useState(false);
@@ -823,12 +822,6 @@ const FileUploadZone: React.FC<FileUploadZoneProps> = ({
   }, [showFileRejectionError]);
 
 
-  const handleStartProcessing = () => {
-    if (uploadState === 'COMPLETED' && onStartTranslating) {
-      onStartTranslating();
-    }
-  };
-
   return (
     <div 
       className="upload-container"
diff --git a/src/frontend/src/main.jsx b/src/frontend/src/main.jsx
index 3a4856c4..8cdbeda1 100644
--- a/src/frontend/src/main.jsx
+++ b/src/frontend/src/main.jsx
@@ -25,7 +25,7 @@ const Main = () => {
     const initMsal = async () => {
       try {
         const response = await fetch('/config');
-        let config = defaultConfig;
+        let config;
         
         if (response.ok) {
           config = await response.json();
diff --git a/src/frontend/src/msal-auth/apiHeaders.ts b/src/frontend/src/msal-auth/apiHeaders.ts
index 932c23ec..c7432e9f 100644
--- a/src/frontend/src/msal-auth/apiHeaders.ts
+++ b/src/frontend/src/msal-auth/apiHeaders.ts
@@ -1,5 +1,4 @@
 // apiHeaders.ts - Utility for creating API headers with user info
-import { getMsalInstance } from './msalInstance';
 
 export interface ApiHeaders {
   'Authorization': string;
diff --git a/src/frontend/src/pages/batchView.tsx b/src/frontend/src/pages/batchView.tsx
index 1ec56c81..0f40c131 100644
--- a/src/frontend/src/pages/batchView.tsx
+++ b/src/frontend/src/pages/batchView.tsx
@@ -13,7 +13,6 @@ import {
   Card,
   tokens,
   Spinner,
-  Tooltip,
 } from "@fluentui/react-components"
 import {
   DismissCircle24Regular,
@@ -183,7 +182,6 @@ const BatchStoryPage = () => {
   const [selectedFileId, setSelectedFileId] = useState<string>("");
   const [expandedSections, setExpandedSections] = useState(["errors"]);
   const [batchSummary, setBatchSummary] = useState<BatchSummary | null>(null);
-  const [selectedFileContent, setSelectedFileContent] = useState<string>("");
   const [selectedFileTranslatedContent, setSelectedFileTranslatedContent] = useState<string>("");
   const [telemetryData, setTelemetryData] = useState<any>(null);
 
@@ -339,7 +337,6 @@ const BatchStoryPage = () => {
         const data = await apiService.get(`/process/${batchId}/file/${encodeURIComponent(selectedFileId)}`);
 
         if (data) {
-          setSelectedFileContent(data.content || "");
           setSelectedFileTranslatedContent(data.content || ""); // Use content for both since we only have one version
         }
 
@@ -354,38 +351,6 @@ const BatchStoryPage = () => {
   }, [selectedFileId]);
 
 
-  const renderWarningContent = () => {
-    if (!expandedSections.includes("warnings")) return null;
-
-    if (!batchSummary) return null;
-
-    // Group warnings by file
-    const warningFiles = files.filter(file => file.warningCount && file.warningCount > 0 && file.id !== "summary");
-
-    if (warningFiles.length === 0) {
-      return (
-        <div className={styles.errorItem}>
-          <Text>No warnings found.</Text>
-        </div>
-      );
-    }
-
-    return (
-      <div>
-        {warningFiles.map((file, fileIndex) => (
-          <div key={fileIndex} className={styles.errorItem}>
-            <div className={styles.errorTitle}>
-              <Text weight="semibold">{file.name} ({file.warningCount})</Text>
-              <Text className={styles.errorSource}>source</Text>
-            </div>
-            <div className={styles.errorDetails}>
-              <Text>Warning in file processing. See file for details.</Text>
-            </div>
-          </div>
-        ))}
-      </div>
-    );
-  };
 
   // Helper function to count JSON/YAML files
   const getJsonYamlFileCount = () => {
@@ -601,7 +566,7 @@ const BatchStoryPage = () => {
     }
 
     // Show the summary page when summary is selected
-    if (selectedFile.id === "summary" && batchSummary) {
+    if (selectedFile.id === "summary") {
       // Check if there are no errors and all JSON/YAML files are processed successfully
       const noErrors = (batchSummary.error_count === 0);
       const jsonYamlFileCount = getJsonYamlFileCount();
diff --git a/src/frontend/src/pages/landingPage.tsx b/src/frontend/src/pages/landingPage.tsx
index 07bea471..619ee84d 100644
--- a/src/frontend/src/pages/landingPage.tsx
+++ b/src/frontend/src/pages/landingPage.tsx
@@ -9,10 +9,6 @@ declare global {
     startTranslating?: () => Promise<string | null>;
   }
 }
-import {
-  Button,
-  Tooltip,
-} from "@fluentui/react-components";
 import Content from "../components/Content/Content";
 import Header from "../components/Header/Header";
 import HeaderTools from "../components/Header/HeaderTools";
@@ -29,7 +25,6 @@ export const History = bundleIcon(HistoryFilled, HistoryRegular);
 
 export const LandingPage = (): JSX.Element => {
   const dispatch = useDispatch(); // Add dispatch hook
-  const batchHistoryRef = useRef<{ triggerDeleteAll: () => void } | null>(null);
   const isPanelOpen = useSelector((state: RootState) => state.historyPanel.isOpen);
   const navigate = useNavigate();
 
@@ -43,21 +38,13 @@ export const LandingPage = (): JSX.Element => {
     setUploadState(state);
   };
 
-  const handleCancelUploads = () => {
-    // This function will be called from BottomBar
-    if (window.cancelUploads) {
-      window.cancelUploads();
-    }
-    setUploadState('IDLE');
-  };
-
   const handleStartTranslating = async () => {
     console.log('Starting translation...');
 
     try {
       if (window.startTranslating) {
         // Get the batchId from startTranslating first
-        const resultBatchId = await window.startTranslating();
+        await window.startTranslating();
         navigate('/start');
       //   if (resultBatchId) {
       //     // Once processing is complete, navigate to the modern page
diff --git a/src/frontend/src/pages/modernizationPage.tsx b/src/frontend/src/pages/modernizationPage.tsx
index 233f3891..b3390791 100644
--- a/src/frontend/src/pages/modernizationPage.tsx
+++ b/src/frontend/src/pages/modernizationPage.tsx
@@ -35,7 +35,7 @@ import BatchHistoryPanel from "../components/batchHistoryPanel"
 import PanelRight from "../components/Panels/PanelRight";
 import PanelRightToolbar from "../components/Panels/PanelRightToolbar";
 import PanelRightToggles from "../components/Header/PanelRightToggles";
-import { filesLogsBuilder, BatchSummary, completedFiles, filesErrorCounter, hasFiles, renderFileError, fileErrorCounter, renderErrorContent, filesFinalErrorCounter, formatAgent, formatDescription, fileWarningCounter } from "../api/utils";
+import { filesLogsBuilder, BatchSummary, completedFiles, filesErrorCounter, hasFiles, renderFileError, fileErrorCounter, renderErrorContent, filesFinalErrorCounter, fileWarningCounter } from "../api/utils";
 import { format } from "sql-formatter";
 
 export const History = bundleIcon(HistoryFilled, HistoryRegular);
@@ -431,33 +431,6 @@ enum Agents {
   Agents = "Agent"
 }
 
-
-
-const getTrackPercentage = (status: string, fileTrackLog: TrackLogMessage[]): number => {
-  switch (status?.toLowerCase()) {
-    case "completed":
-      return ProcessingStage.Completed;
-    case "in_process":
-      if (fileTrackLog && fileTrackLog.length > 0) {
-        if (fileTrackLog.some(entry => entry.agent_type === Agents.Checker)) {
-          return ProcessingStage.FinalChecks;
-        } else if (fileTrackLog.some(entry => entry.agent_type === Agents.Picker)) {
-          return ProcessingStage.Processing;
-        } else if (fileTrackLog.some(entry => entry.agent_type === Agents.Migrator)) {
-          return ProcessingStage.Parsing;
-        }
-        return ProcessingStage.Starting;
-      }
-      return ProcessingStage.Queued;
-    case "ready_to_process":
-      return ProcessingStage.Queued;
-    default:
-      return ProcessingStage.NotStarted;
-  }
-};
-
-
-
 const getPrintFileStatus = (status: string): string => {
   switch (status) {
     case "completed":
@@ -475,10 +448,10 @@ const getPrintFileStatus = (status: string): string => {
 
 const ModernizationPage = () => {
   const { batchId } = useParams<{ batchId: string }>();
-  const navigate = useNavigate()
+  const navigate = useNavigate();
 
   const [batchSummary, setBatchSummary] = useState<BatchSummary | null>(null);
-  const styles = useStyles()
+  const styles = useStyles();
   const [text, setText] = useState("");
   const [isPanelOpen, setIsPanelOpen] = React.useState(false); // Add state management
 
@@ -487,16 +460,14 @@ const ModernizationPage = () => {
 
   // State for the loading component
   const [showLoading, setShowLoading] = useState(true);
-  const [loadingError, setLoadingError] = useState<string | null>(null);
   const [selectedFilebg, setSelectedFile] = useState<string | null>(null);
-  const [selectedFileId, setSelectedFileId] = React.useState<string>("")
-  const [fileId, setFileId] = React.useState<string>("");
-  const [expandedSections, setExpandedSections] = React.useState<string[]>([])
-  const [progressPercentage, setProgressPercentage] = useState(0);
+  const [selectedFileId, setSelectedFileId] = React.useState<string>("");
+  const fileId = selectedFileId;
+  const [expandedSections, setExpandedSections] = React.useState<string[]>([]);
+  const [progressPercentage] = useState(0);
   const [allFilesCompleted, setAllFilesCompleted] = useState(false);
   const [isZipButtonDisabled, setIsZipButtonDisabled] = useState(true);
   const [fileLoading, setFileLoading] = useState(false);
-  const [selectedFileTranslatedContent, setSelectedFileTranslatedContent] = useState<string>("");
   const [processingStarted, setProcessingStarted] = useState(false);
 
   // Fetch file content when a file is selected
@@ -511,11 +482,7 @@ const ModernizationPage = () => {
         if (!selectedFile || !selectedFile.translatedCode) {
           setFileLoading(true);
           const newFileUpdate = await fetchFileFromAPI(selectedFile?.fileId || "");
-          setSelectedFileTranslatedContent(newFileUpdate.translatedContent);
           setFileLoading(false);
-        } else {
-
-          setSelectedFileTranslatedContent(selectedFile.translatedCode);
         }
 
       } catch (err) {
@@ -575,14 +542,13 @@ const ModernizationPage = () => {
         setReduxFileList(updatedFiles);
 
       } else {
-        setLoadingError("No data received from server");
+        console.log("No data received from server");
       }
       if (isInitialLoad) {
         setShowLoading(false);
       }
     } catch (err) {
       console.error("Error fetching batch data:", err);
-      setLoadingError(err instanceof Error ? err.message : "An unknown error occurred");
       if (isInitialLoad) {
         setShowLoading(false);
       }
@@ -591,7 +557,7 @@ const ModernizationPage = () => {
 
   useEffect(() => {
     if (!batchId || batchId.length !== 36) {
-      setLoadingError("No valid batch ID provided");
+      console.log("No valid batch ID provided");
       setShowLoading(false);
       return;
     }
@@ -801,9 +767,6 @@ const ModernizationPage = () => {
     }
   }, [batchId]);
 
-  const highestProgressRef = useRef(0);
-  const currentProcessingFileRef = useRef<string | null>(null);
-
 
   //new PT FR ends
   const updateSummaryStatus = async () => {
@@ -875,7 +838,7 @@ useEffect(() => {
   useEffect(() => {
     const loadingTimeout = setTimeout(() => {
       if (progressPercentage < 5 && showLoading) {
-        setLoadingError('Processing is taking longer than expected. You can continue waiting or try again later.');
+        console.log('Processing is taking longer than expected. You can continue waiting or try again later.');
       }
     }, 30000);
 
@@ -1083,7 +1046,7 @@ useEffect(() => {
     }
 
     // Show the full summary page only when all files are completed and summary is selected
-    if (allFilesCompleted && selectedFile?.id === "summary") {
+    if (selectedFile?.id === "summary") {
       const completedCount = files.filter(file => file.status === "completed" && file.file_result !== "error" && file.id !== "summary").length;
       const totalCount = files.filter(file => file.id !== "summary").length;
       const errorCount = selectedFile.errorCount || 0;
diff --git a/src/frontend/src/pages/processPage.tsx b/src/frontend/src/pages/processPage.tsx
index dbca75bf..a85f8d30 100644
--- a/src/frontend/src/pages/processPage.tsx
+++ b/src/frontend/src/pages/processPage.tsx
@@ -14,10 +14,9 @@ import PanelRightToolbar from "../components/Panels/PanelRightToolbar";
 import PanelRight from "../components/Panels/PanelRight";
 import BatchHistoryPanel from "../components/batchHistoryPanel";
 import { HistoryRegular, HistoryFilled, bundleIcon } from "@fluentui/react-icons";
-import { CircleCheck, X } from "lucide-react";
+import { CircleCheck } from "lucide-react";
 import Lottie from 'lottie-react';
 import documentLoader from "../../public/images/loader.json";
-import { getApiUrl, headerBuilder } from '../api/config';
 import { apiService } from '../services/ApiService';
 import ProgressModal from "../commonComponents/ProgressModal/progressModal";
 
@@ -115,7 +114,6 @@ const ProcessPage: React.FC = () => {
   const [currentPhase, setCurrentPhase] = useState<string>("");
   const [phaseSteps, setPhaseSteps] = useState<string[]>([]);
   const [apiData, setApiData] = useState<any>(null);
-  const [lastUpdateTime, setLastUpdateTime] = useState<string>("");
   const [processingCompleted, setProcessingCompleted] = useState(false);
   const stepsContainerRef = useRef<HTMLDivElement>(null);
   // Track the last seen phase to prevent duplicate phase messages
@@ -210,10 +208,6 @@ const ProcessPage: React.FC = () => {
         setShowProgressModal(true);
       }
 
-      // Update the stored last update time
-      if (response.last_update_time) {
-        setLastUpdateTime(response.last_update_time);
-      }
 
       // Update current phase - only add a new message when the phase actually changes
       // This prevents duplicate messages from agent activity changes within the same phase
diff --git a/src/frontend/vite.config.js b/src/frontend/vite.config.js
index 0d05262f..d239b70e 100644
--- a/src/frontend/vite.config.js
+++ b/src/frontend/vite.config.js
@@ -1,6 +1,5 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
-import path from 'path'
 import tailwindcss from '@tailwindcss/vite'
 
 export default defineConfig({
diff --git a/src/processor/src/libs/agent_framework/agent_framework_helper.py b/src/processor/src/libs/agent_framework/agent_framework_helper.py
index d892b1f7..61da842a 100644
--- a/src/processor/src/libs/agent_framework/agent_framework_helper.py
+++ b/src/processor/src/libs/agent_framework/agent_framework_helper.py
@@ -148,7 +148,7 @@ def create_client(
         env_file_encoding: str | None = None,
         instruction_role: str | None = None,
     ) -> "AzureOpenAIChatClient":
-        ...
+        pass
 
     @overload
     @staticmethod
@@ -172,7 +172,7 @@ def create_client(
         env_file_path: str | None = None,
         env_file_encoding: str | None = None,
     ) -> "AzureOpenAIAssistantsClient":
-        ...
+        pass
 
     @overload
     @staticmethod
@@ -194,7 +194,7 @@ def create_client(
         env_file_encoding: str | None = None,
         instruction_role: str | None = None,
     ) -> "AzureOpenAIResponsesClient":
-        ...
+        pass
 
     @overload
     @staticmethod
@@ -217,7 +217,7 @@ def create_client(
         instruction_role: str | None = None,
         retry_config: RateLimitRetryConfig | None = None,
     ) -> AzureOpenAIResponseClientWithRetry:
-        ...
+        pass
 
     @overload
     @staticmethod
@@ -234,7 +234,7 @@ def create_client(
         env_file_path: str | None = None,
         env_file_encoding: str | None = None,
     ) -> "AzureAIAgentClient":
-        ...
+        pass
 
     @staticmethod
     def create_client(
diff --git a/src/processor/src/libs/agent_framework/azure_openai_response_retry.py b/src/processor/src/libs/agent_framework/azure_openai_response_retry.py
index 5851b809..48b829b3 100644
--- a/src/processor/src/libs/agent_framework/azure_openai_response_retry.py
+++ b/src/processor/src/libs/agent_framework/azure_openai_response_retry.py
@@ -654,7 +654,7 @@ async def _tail():
                     try:
                         await close()
                     except Exception:
-                        pass
+                        logger.debug("Best-effort close of response stream failed", exc_info=True)
 
                 # Progressive retry for context-length failures.
                 if (
diff --git a/src/processor/src/libs/agent_framework/qdrant_memory_store.py b/src/processor/src/libs/agent_framework/qdrant_memory_store.py
index b71d9371..d5fbc455 100644
--- a/src/processor/src/libs/agent_framework/qdrant_memory_store.py
+++ b/src/processor/src/libs/agent_framework/qdrant_memory_store.py
@@ -263,7 +263,11 @@ async def close(self) -> None:
             try:
                 await self._client.delete_collection(self.collection_name)
             except Exception:
-                pass
+                logger.debug(
+                    "Best-effort delete of collection %s failed",
+                    self.collection_name,
+                    exc_info=True,
+                )
             await self._client.close()
             self._client = None
         self._initialized = False
diff --git a/src/processor/src/libs/mcp_server/datetime/mcp_datetime.py b/src/processor/src/libs/mcp_server/datetime/mcp_datetime.py
index dc6e5cd9..77d9b73b 100644
--- a/src/processor/src/libs/mcp_server/datetime/mcp_datetime.py
+++ b/src/processor/src/libs/mcp_server/datetime/mcp_datetime.py
@@ -550,7 +550,6 @@ def convert_timezone(
         )
 
         return "\n".join(error_report)
-        return f"Error converting timezone: {str(e)}"
 
 
 @mcp.tool()
@@ -864,7 +863,6 @@ def calculate_time_difference(
 [PROCESSING] EXAMPLE WORKING CALLS:
 calculate_time_difference('2023-12-25 10:00:00', '2023-12-25 15:30:00', 'hours')
 calculate_time_difference('2023-12-25', '2023-12-26', 'days')"""
-        return f"Error calculating time difference: {str(e)}"
 
 
 @mcp.tool()
diff --git a/src/processor/src/libs/mcp_server/mermaid/mcp_mermaid.py b/src/processor/src/libs/mcp_server/mermaid/mcp_mermaid.py
index 7652ca76..c55c0700 100644
--- a/src/processor/src/libs/mcp_server/mermaid/mcp_mermaid.py
+++ b/src/processor/src/libs/mcp_server/mermaid/mcp_mermaid.py
@@ -388,7 +388,7 @@ def _mermaid_render_check(code: str, timeout: int = 10) -> tuple[bool, str]:
                         :200
                     ]
             except json.JSONDecodeError:
-                pass
+                pass  # Non-JSON output from mermaid CLI; fall through to accept
 
         return True, ""
     except (subprocess.TimeoutExpired, OSError):
diff --git a/src/processor/src/libs/reporting/migration_report_generator.py b/src/processor/src/libs/reporting/migration_report_generator.py
index 5749d5bc..5afdf508 100644
--- a/src/processor/src/libs/reporting/migration_report_generator.py
+++ b/src/processor/src/libs/reporting/migration_report_generator.py
@@ -96,7 +96,7 @@ def set_current_file(
                 if os.path.exists(file_path):
                     file_size = os.path.getsize(file_path)
             except Exception:
-                pass
+                logger.debug("Failed to get file size for %s", file_path, exc_info=True)
 
             self._file_contexts[file_name] = FileContext(
                 file_name=file_name,
diff --git a/src/processor/src/services/control_api.py b/src/processor/src/services/control_api.py
index de0d38d5..56911dc5 100644
--- a/src/processor/src/services/control_api.py
+++ b/src/processor/src/services/control_api.py
@@ -159,12 +159,12 @@ async def stop(self) -> None:
             try:
                 await self._site.stop()
             except Exception:
-                pass
+                logger.debug("Best-effort stop of control API site failed", exc_info=True)
             self._site = None
 
         if self._runner:
             try:
                 await self._runner.cleanup()
             except Exception:
-                pass
+                logger.debug("Best-effort cleanup of control API runner failed", exc_info=True)
             self._runner = None
diff --git a/src/processor/src/services/queue_service.py b/src/processor/src/services/queue_service.py
index a6b1be1e..41d26a4b 100644
--- a/src/processor/src/services/queue_service.py
+++ b/src/processor/src/services/queue_service.py
@@ -348,7 +348,7 @@ async def start_service(self):
                         self._control_watcher_task, return_exceptions=True
                     )
                 except Exception:
-                    pass
+                    logger.debug("Best-effort cancel of control watcher failed", exc_info=True)
                 self._control_watcher_task = None
 
             self._worker_tasks.clear()
@@ -391,7 +391,7 @@ async def stop_service(self):
             try:
                 await asyncio.gather(self._control_watcher_task, return_exceptions=True)
             except Exception:
-                pass
+                logger.debug("Best-effort cancel of control watcher failed", exc_info=True)
             self._control_watcher_task = None
 
         # Clear inflight tracking
@@ -405,12 +405,12 @@ async def stop_service(self):
             if self.main_queue:
                 self.main_queue.close()
         except Exception:
-            pass
+            logger.debug("Best-effort close of main_queue failed", exc_info=True)
 
         try:
             self.queue_service.close()
         except Exception:
-            pass
+            logger.debug("Best-effort close of queue_service failed", exc_info=True)
 
     async def stop_process(
         self, process_id: str, timeout_seconds: float = 10.0
@@ -478,7 +478,11 @@ async def stop_process(
                     target_worker_id,
                 )
             except Exception:
-                pass
+                logger.debug(
+                    "Unexpected error during job cancellation for process_id=%s",
+                    process_id,
+                    exc_info=True,
+                )
 
         return True
 
@@ -1116,7 +1120,7 @@ async def _process_queue_message(self, worker_id: int, queue_message: QueueMessa
                     task_param=task_param,
                 )
             finally:
-                migration_processor = None
+                migration_processor = None  # noqa: F841 — release reference for GC
 
         except asyncio.CancelledError:
             # When cancelled, we assume stop_process has already deleted the message
@@ -1146,7 +1150,7 @@ async def _process_queue_message(self, worker_id: int, queue_message: QueueMessa
                     task_param=None,
                 )
             except Exception:
-                pass
+                logger.debug("Failed to record failure for message_id=%s", getattr(queue_message, "id", "<unknown>"), exc_info=True)
         finally:
             self._worker_inflight.pop(worker_id, None)
             self._worker_inflight_message.pop(worker_id, None)
diff --git a/src/processor/src/steps/migration_processor.py b/src/processor/src/steps/migration_processor.py
index 0ded130f..73b2954a 100644
--- a/src/processor/src/steps/migration_processor.py
+++ b/src/processor/src/steps/migration_processor.py
@@ -403,7 +403,7 @@ async def _generate_report_summary(
                                 ),
                             }
                         except Exception:
-                            pass
+                            logger.debug("Failed to generate report summary for failure details", exc_info=True)
 
                         await telemetry.record_failure_outcome(
                             process_id=input_data.process_id,
@@ -506,7 +506,7 @@ async def _generate_report_summary(
                                 ),
                             }
                         except Exception:
-                            pass
+                            logger.debug("Failed to generate report summary for hard termination", exc_info=True)
 
                         await telemetry.record_failure_outcome(
                             process_id=input_data.process_id,
@@ -557,7 +557,7 @@ async def _generate_report_summary(
                                 "migration_report_summary"
                             ] = await _generate_report_summary(ReportStatus.SUCCESS)
                         except Exception:
-                            pass
+                            logger.debug("Failed to generate report summary for outcome", exc_info=True)
 
                         await telemetry.record_final_outcome(
                             process_id=input_data.process_id,
@@ -565,7 +565,7 @@ async def _generate_report_summary(
                             success=True,
                         )
                     except Exception:
-                        pass
+                        logger.debug("Failed to record final outcome telemetry", exc_info=True)
 
                     await telemetry.update_process_status(
                         process_id=input_data.process_id, status="completed"
@@ -623,7 +623,7 @@ async def _generate_report_summary(
                             ),
                         }
                     except Exception:
-                        pass
+                        logger.debug("Failed to generate report summary for executor failure", exc_info=True)
 
                     await telemetry.record_failure_outcome(
                         process_id=input_data.process_id,
@@ -688,7 +688,7 @@ async def _generate_report_summary(
                                 mem_count,
                             )
                         except Exception:
-                            pass
+                            logger.debug("Failed to log memory store count after step", exc_info=True)
 
                     # step name -> executor_id
                     # output result -> event.data => if event.data is not None
@@ -740,3 +740,5 @@ async def _generate_report_summary(
                 start_dt.isoformat(timespec="seconds"),
                 end_dt.isoformat(timespec="seconds"),
             )
+
+        return None
diff --git a/src/processor/src/tests/conftest.py b/src/processor/src/tests/conftest.py
index 26493453..f2adbaaf 100644
--- a/src/processor/src/tests/conftest.py
+++ b/src/processor/src/tests/conftest.py
@@ -16,7 +16,8 @@
 # pick up our `src/sitecustomize.py` unless `PYTHONPATH=src` is set. Import it
 # explicitly after adding `src/` to `sys.path` so test collection works.
 try:
-    import sitecustomize  # noqa: F401
+    import sitecustomize  # noqa: F401  # Intentional side-effect import for compatibility hook
+    _ = sitecustomize  # Prevent unused-import warnings
 except Exception:
     # Tests should still be able to run even if the compatibility hook is absent.
     pass
diff --git a/src/processor/src/utils/agent_telemetry.py b/src/processor/src/utils/agent_telemetry.py
index 9e574377..dd1ec0de 100644
--- a/src/processor/src/utils/agent_telemetry.py
+++ b/src/processor/src/utils/agent_telemetry.py
@@ -120,18 +120,6 @@ def get_orchestration_agents() -> set[str]:
     }
 
 
-# def get_common_agents() -> list[str]:
-#     """Get common agent names."""
-#     return [
-#         "Chief_Architect",
-#         "EKS_Expert",
-#         "GKE_Expert",
-#         "Azure_Expert",
-#         "Technical_Writer",
-#         "QA_Engineer",
-#     ]
-
-
 def _get_utc_timestamp() -> str:
     """Get current UTC timestamp in human-readable format"""
     return datetime.now(UTC).strftime("%Y-%m-%d %H:%M:%S UTC")
@@ -362,15 +350,6 @@ async def init_process(self, process_id: str, phase: str, step: str):
         """Initialize telemetry for a new process."""
         initial_agents = {}
 
-        # Initialize orchestration agents
-        # for agent_name in get_orchestration_agents():
-        #     initial_agents[agent_name] = AgentActivity(
-        #         name=agent_name,
-        #         current_action="ready",
-        #         participation_status="standby",
-        #         is_active=False,
-        #     )
-
         # Initialize core system agents (not actual responding agents)
         for agent_name in get_orchestration_agents():
             initial_agents[agent_name] = AgentActivity(
@@ -612,9 +591,6 @@ async def track_tool_usage(
 
     async def update_process_status(self, process_id: str, status: str):
         """Update the overall process status."""
-        # if self.current_process:
-        #     self.current_process.status = status
-        #     self.current_process.last_update_time = _get_utc_timestamp()
         current_process: ProcessStatus | None = None
 
         if self.repository:
@@ -752,15 +728,6 @@ async def transition_to_phase(self, process_id: str, phase: str, step: str):
                         step,
                     )
 
-    # async def _cleanup_phase_agents(self, process_id: str, previous_phase: str):
-    #     """Remove or mark inactive agents not relevant to current phase."""
-    #     if not self.current_process:
-    #         return
-
-    #     # Note: Removed fake orchestration agent cleanup since we no longer create them
-    #     # Phase orchestrators are Python classes, not agents to be tracked
-    #     logger.debug(f"[TELEMETRY] Phase cleanup completed: {previous_phase}")
-
     async def _initialize_phase_agents(self, process_id: str, phase: str):
         """Initialize agents relevant to the new phase."""
         current_process: ProcessStatus | None = None
@@ -844,6 +811,7 @@ async def get_current_process(self, process_id: str) -> ProcessStatus | None:
         """Get the current process status."""
         if self.repository:
             return await self.repository.get_async(process_id)
+        return None
 
     async def get_process_outcome(self, process_id: str) -> str:
         """Get a human-readable process outcome."""
@@ -1129,7 +1097,7 @@ async def record_step_result(
                     ):
                         current_process.step_results[step_name]["result"] = stored[0]
                 except Exception:
-                    pass
+                    logger.debug("Failed to unwrap singleton step result for step=%s", step_name, exc_info=True)
 
                 # Lap time: end the timer for this step.
                 if step_name:
@@ -1444,7 +1412,7 @@ async def record_failure_outcome(
                         else current_process.failure_details
                     )
                 except Exception:
-                    pass
+                    logger.debug("Failed to serialize failure_details for Cosmos", exc_info=True)
                 current_process.failure_step = failed_step or current_process.step
                 current_process.failure_timestamp = _get_utc_timestamp()