Update flake.lock and vscode configuration

- Updated package references in flake.lock for various dependencies.
- Changed VSCode package from vscodium to vscode and updated extensions.
- Enabled SSH agent start in ssh.nix.
- Refined overlays in default.nix for better package management.

home/panotaka/common/optional/coding/vscode/default.nix

@@ -16,7 +16,7 @@
 
   programs.vscode = {
     enable = true;
-    package = pkgs.vscodium;
+    package = pkgs.vscode;
     enableUpdateCheck = false; # Disable VSCode self-update and let Home Manager to manage VSCode versions instead.
     enableExtensionUpdateCheck = false; # Disable extensions auto-update and let nix4vscode manage updates and extensions
     mutableExtensionsDir = false;
@@ -25,8 +25,10 @@
       # General extensions
 
       ## Code Completion
-      "continue.continue"
-      "rooveterinaryinc.roo-cline"
+      "GitHub.copilot"
+      "GitHub.copilot-chat"
+      #"continue.continue"
+      #"rooveterinaryinc.roo-cline"
       #"saoudrizwan.claude-dev"
 
       ## Development Environment
@@ -70,7 +72,6 @@
     # Settings
     userSettings = {
       "telemetry.feedback.enabled" = false;
-      "telemetry.telemetryLevel" = "off";
       "github.copilot.enableTelemetry" = false;
 
       "editor.linkedEditing" = true;
@@ -83,8 +84,38 @@
       "workbench.navigationControl.enabled" = false;
       "workbench.layoutControl.enabled" = false;
 
-      #"github.copilot.editor.enableAutoCompletions" = true;
+      # Privacy and Security
+      # 🛑 Core telemetry & crash reporting
+      "telemetry.telemetryLevel" = "off";
+      "telemetry.enableTelemetry" = false;
+      "telemetry.enableCrashReporter" = false;
+
+      # 🚫 Disable feedback prompts
+      "telemetry.disableFeedback" = true;
+
+      # 🔬 Turn off experiments and natural‑language features
+      "workbench.enableExperiments" = false;
+      "workbench.settings.enableNaturalLanguageSearch" = false;
+
+      # 🔄 Prevent auto‑updates & recommendations
+      "extensions.autoUpdate" = false;
+      "extensions.ignoreRecommendations" = true;
+
+      # 🧩 Popular extension‑specific telemetry opt‑outs
+      "code-runner.enableAppInsights" = false;
+      "docker-explorer.enableTelemetry" = false;
+      "gitlens.showWelcomeOnInstall" = false;
+      "gitlens.showWhatsNewAfterUpgrades" = false;
+      "java.help.showReleaseNotes" = false;
+      "julia.enableTelemetry" = false;
+      "Lua.telemetry.enable" = false;
+      "material-icon-theme.showWelcomeMessage" = false;
+      "pros.showWelcomeOnStartup" = false;
       "redhat.telemetry.enabled" = false;
+      "sonarlint.disableTelemetry" = true;
+      "terraform.telemetry.enabled" = false;
+      "vsicons.dontShowNewVersionMessage" = true;
+      "workbench.welcomePage.walkthroughs.openOnInstall" = false;
     };
   };
 }