Add local LCM source mode workflow

Author: johnml1135

.github/workflows/patch-installer-cd.yml

@@ -151,7 +151,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: | 
+          dotnet-version: |
             3.1.x
             5.0.x
 
@@ -166,7 +166,7 @@ jobs:
           choco install wixtoolset --version 3.11.2 --allow-downgrade --force
           echo "C:\Program Files (x86)\WiX Toolset v3.11\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
         if: github.event_name != 'pull_request'
-        
+
       - name: Import Base Build Artifacts
         shell: pwsh
         run: |
@@ -211,7 +211,7 @@ jobs:
           )
           $valueName = "Switch.System.DisableTempFileCollectionDirectoryFeature"
           $expectedValue = "true"
-          
+
           foreach ($path in $regPaths) {
               Write-Host "Adding or updating registry value in $path..."
               if (-not (Test-Path $path)) {
@@ -233,11 +233,11 @@ jobs:
           $results = Select-String -Path "build.log" -Pattern "^\s*[1-9][0-9]* Error\(s\)"
           if ($results) {
               foreach ($result in $results) {
-                  Write-Host "Found errors in build.log $($result.LineNumber): $($result.Line)" -ForegroundColor red 
+                  Write-Host "Found errors in build.log $($result.LineNumber): $($result.Line)" -ForegroundColor red
               }
               exit 1
           } else {
-              Write-Host "No errors found" -ForegroundColor green 
+              Write-Host "No errors found" -ForegroundColor green
               exit 0
           }
 

.serena/project.yml

@@ -93,7 +93,7 @@ initial_prompt: |
   Key build facts:
   - Uses MSBuild Traversal SDK via FieldWorks.proj (21 ordered phases, 110+ projects)
   - Native C++ (Phase 2) must build before managed code (Phases 3+)
-  - Build command: .\build.ps1 or msbuild FieldWorks.proj /p:Configuration=Debug /p:Platform=x64 /m
+  - Build command: .\build.ps1 or msbuild FieldWorks.proj /p:Configuration=Debug /m
   - Check .github/instructions/*.instructions.md for coding guidelines (managed, native, testing, etc.)
   - Per-folder AGENTS.md files describe component contracts and dependencies
 # project_name: Intentionally left out so that the folder name will be used and worktrees will not conflict
@@ -136,3 +136,12 @@ symbol_info_budget:
 # Note: the backend is fixed at startup. If a project with a different backend
 # is activated post-init, an error will be returned.
 language_backend:
+
+# line ending convention to use when writing source files.
+# Possible values: unset (use global setting), "lf", "crlf", or "native" (platform default)
+# This does not affect Serena's own files (e.g. memories and configuration files), which always use native line endings.
+line_ending:
+
+# list of regex patterns which, when matched, mark a memory entry as read‑only.
+# Extends the list from the global configuration, merging the two lists.
+read_only_memory_patterns: []

.vscode/extensions.json

@@ -5,6 +5,9 @@
     // C# language + test explorer in VS Code (ReSharper-first)
     "jetbrains.resharper-code",
 
+    // Use the official C# extension for debugging language support, but disable its test runner to avoid conflicts with ReSharper's test runner.
+    "ms-dotnettools.csharp",
+
     // PowerShell scripts are part of the standard workflow (build.ps1/test.ps1/etc.)
     "ms-vscode.powershell",
 
@@ -17,6 +20,5 @@
   "unwantedRecommendations": [
     // This workspace is ReSharper-first; dotnet test providers are discouraged.
     "ms-dotnettools.csdevkit",
-    "ms-dotnettools.csharp"
   ]
 }

.vscode/launch.json

@@ -2,19 +2,43 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "FieldWorks",
+      "name": "FieldWorks (.NET Framework, Package)",
       "type": "clr",
       "request": "launch",
+      "preLaunchTask": "Prepare Debug (Package)",
       "program": "${workspaceFolder}\\Output\\Debug\\FieldWorks.exe",
       "cwd": "${workspaceFolder}\\Output\\Debug",
       "console": "externalTerminal",
       "justMyCode": false,
+      "requireExactSource": false,
+      "symbolOptions": {
+        "searchPaths": [
+          "${workspaceFolder}\\Output\\Debug"
+        ]
+      }
+    },
+    {
+      "name": "FieldWorks (.NET Framework, Local LCM)",
+      "type": "clr",
+      "request": "launch",
+      "preLaunchTask": "Prepare Debug (Local LCM)",
+      "program": "${workspaceFolder}\\Output\\Debug\\FieldWorks.exe",
+      "cwd": "${workspaceFolder}\\Output\\Debug",
+      "console": "externalTerminal",
+      "justMyCode": false,
+      "requireExactSource": false,
+      "symbolOptions": {
+        "searchPaths": [
+          "${workspaceFolder}\\Output\\Debug",
+          "${workspaceFolder}\\Localizations\\LCM\\artifacts\\Debug\\net462"
+        ]
+      }
     },
     {
       "name": "Debug NUnit Tests",
       "type": "clr",
       "request": "launch",
-      "preLaunchTask": "Build Debug",
+      "preLaunchTask": "Build",
       "program": "dotnet",
       "args": [
         "test",

.vscode/tasks.json

@@ -211,12 +211,96 @@
     {
       "label": "Build",
       "type": "shell",
-      "command": "./build.ps1",
+      "command": "./build.ps1 -LcmMode Auto",
       "group": {
         "kind": "build",
         "isDefault": true
       },
-      "detail": "Build FieldWorks (auto-detects worktree)",
+      "detail": "Build FieldWorks (package-backed by default; use explicit local LCM tasks for source mode)",
+      "options": {
+        "shell": {
+          "executable": "powershell.exe",
+          "args": ["-NoProfile", "-ExecutionPolicy", "Bypass", "-Command"]
+        }
+      },
+      "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "Build (Package)",
+      "type": "shell",
+      "command": "./build.ps1 -LcmMode Package",
+      "group": "build",
+      "detail": "Build FieldWorks against the pinned liblcm packages",
+      "options": {
+        "shell": {
+          "executable": "powershell.exe",
+          "args": ["-NoProfile", "-ExecutionPolicy", "Bypass", "-Command"]
+        }
+      },
+      "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "Build (Package, VS Code Debug)",
+      "type": "shell",
+      "command": "./build.ps1 -LcmMode Package -ManagedDebugType portable",
+      "group": "build",
+      "detail": "Build FieldWorks against pinned liblcm packages with portable managed PDBs for the VS Code debugger",
+      "options": {
+        "shell": {
+          "executable": "powershell.exe",
+          "args": ["-NoProfile", "-ExecutionPolicy", "Bypass", "-Command"]
+        }
+      },
+      "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "Prepare Debug (Package)",
+      "type": "shell",
+      "command": "./Build/Agent/Invoke-VsCodeDebugBuild.ps1 -LcmMode Package -ManagedDebugType portable",
+      "group": "build",
+      "detail": "Build for VS Code debugging only when relevant files changed since the last successful package-mode portable-PDB debug build",
+      "options": {
+        "shell": {
+          "executable": "powershell.exe",
+          "args": ["-NoProfile", "-ExecutionPolicy", "Bypass", "-Command"]
+        }
+      },
+      "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "Build (Local LCM)",
+      "type": "shell",
+      "command": "./build.ps1 -LcmMode Local",
+      "group": "build",
+      "detail": "Build FieldWorks against the nested Localizations/LCM checkout",
+      "options": {
+        "shell": {
+          "executable": "powershell.exe",
+          "args": ["-NoProfile", "-ExecutionPolicy", "Bypass", "-Command"]
+        }
+      },
+      "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "Build (Local LCM, VS Code Debug)",
+      "type": "shell",
+      "command": "./build.ps1 -LcmMode Local -ManagedDebugType portable",
+      "group": "build",
+      "detail": "Build FieldWorks against the nested local LCM checkout with portable managed PDBs for the VS Code debugger",
+      "options": {
+        "shell": {
+          "executable": "powershell.exe",
+          "args": ["-NoProfile", "-ExecutionPolicy", "Bypass", "-Command"]
+        }
+      },
+      "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "Prepare Debug (Local LCM)",
+      "type": "shell",
+      "command": "./Build/Agent/Invoke-VsCodeDebugBuild.ps1 -LcmMode Local -ManagedDebugType portable",
+      "group": "build",
+      "detail": "Build for VS Code debugging only when relevant files changed since the last successful local-LCM portable-PDB debug build",
       "options": {
         "shell": {
           "executable": "powershell.exe",
@@ -239,7 +323,6 @@
       },
       "problemMatcher": "$msCompile"
     },
-
     // ==================== Test Tasks ====================
     {
       "label": "Test",
@@ -249,7 +332,7 @@
         "kind": "test",
         "isDefault": true
       },
-      "detail": "Run all tests (auto-detects worktree). See specs/007-test-modernization-vstest/IGNORED_TESTS.md for the tracked skip/ignore inventory.",
+      "detail": "Run all tests. See specs/007-test-modernization-vstest/IGNORED_TESTS.md for the tracked skip/ignore inventory.",
       "options": {
         "shell": {
           "executable": "powershell.exe",
@@ -484,9 +567,9 @@
       "problemMatcher": []
     },
     {
-      "label": "Installer Check: Bundle (Debug, x64)",
+      "label": "Installer Check: Bundle (Debug)",
       "type": "shell",
-      "command": "./scripts/Agent/Invoke-InstallerCheck.ps1 -InstallerType Bundle -Configuration Debug -Platform x64",
+      "command": "./scripts/Agent/Invoke-InstallerCheck.ps1 -InstallerType Bundle -Configuration Debug",
       "detail": "Run snapshot -> install bundle -> snapshot -> diff (writes evidence under Output/InstallerEvidence/<RunId>)",
       "options": {
         "shell": {