feat: move projects to sidebar rail and speed up session switching (#506)

* feat: move projects from header tabs to left sidebar rail

* refactor: remove variant from git generation session context

* feat: implemented drandrop action for navrails

* refactor: improve sidebar drag-and-drop smoothness and remove floating overlay

* fix: prevent mobile nav rail touch from closing drawer and opening menu

* fix: hide header tabs on desktop

* fix: prevent session flicker when switching projects

* style: soften chat panel divider borders

* style: improve icon contrast across core navigation

* fix: stabilize session selection during project switching

* style: unify sidebar surfaces and transparent section layers

* style: remove UI shadows and keep only scroll shadow

* perf: speed up project switching with cached session loading

* perf: speed up Git changes view and background refresh

* perf: make session switching lighter and less aggressive

* perf: optimized sessions list loading while project switching

* perf: smooth chat rendering and reduce interaction spikes

* fix: restore reliable load older messages visibility

packages/ui/src/lib/gitApi.ts

@@ -128,7 +128,6 @@ export async function generateCommitMessage(
     providerId: generationSession.providerID,
     modelId: generationSession.modelID,
     agent: generationSession.agent,
-    variant: generationSession.variant,
   });
 
   const prompt = `You are generating a Conventional Commits subject line using session context and selected file paths.
@@ -251,7 +250,6 @@ export async function generatePullRequestDescription(
     providerId: generationSession.providerID,
     modelId: generationSession.modelID,
     agent: generationSession.agent,
-    variant: generationSession.variant,
     base: payload.base,
     head: payload.head,
     commits: commits.length,
@@ -324,7 +322,6 @@ type SessionGenerationContext = {
   providerID: string;
   modelID: string;
   agent?: string;
-  variant?: string;
 };
 
 const resolveSessionGenerationContext = (): SessionGenerationContext | null => {
@@ -347,16 +344,11 @@ const resolveSessionGenerationContext = (): SessionGenerationContext | null => {
     return null;
   }
 
-  const variant = agent
-    ? context.getAgentModelVariantForSession(sessionId, agent, selectedModel.providerId, selectedModel.modelId)
-    : (config.currentVariant || undefined);
-
   return {
     sessionId,
     providerID: selectedModel.providerId,
     modelID: selectedModel.modelId,
     agent,
-    variant,
   };
 };
 
@@ -381,7 +373,6 @@ const runStructuredGenerationInActiveSession = async ({
     providerID: generationSession.providerID,
     modelID: generationSession.modelID,
     agent: generationSession.agent,
-    variant: generationSession.variant,
   });
   const trimmedDirectory = typeof directory === 'string' ? directory.trim() : '';
   const firstNewlineIndex = prompt.indexOf('\n');
@@ -407,7 +398,6 @@ const runStructuredGenerationInActiveSession = async ({
         modelID: generationSession.modelID,
       },
       ...(generationSession.agent ? { agent: generationSession.agent } : {}),
-      ...(generationSession.variant ? { variant: generationSession.variant } : {}),
       format: {
         type: 'json_schema',
         schema,

packages/ui/src/lib/theme/themes/flexoki-dark.json

@@ -12,12 +12,12 @@
       "base": "#DA702C",
       "hover": "#DA702C",
       "active": "#F9AE77",
-      "foreground": "#111010",
+      "foreground": "#151313",
       "muted": "#DA702C80",
       "emphasis": "#F9AE77"
     },
     "surface": {
-      "background": "#111010",
+      "background": "#151313",
       "foreground": "#CECDC3",
       "muted": "#1C1B1A",
       "mutedForeground": "#878580",
@@ -40,19 +40,19 @@
     },
     "status": {
       "error": "#D14D41",
-      "errorForeground": "#111010",
+      "errorForeground": "#151313",
       "errorBackground": "#AF302920",
       "errorBorder": "#AF302950",
       "warning": "#DA702C",
-      "warningForeground": "#111010",
+      "warningForeground": "#151313",
       "warningBackground": "#BC521520",
       "warningBorder": "#BC521550",
       "success": "#A0AF54",
-      "successForeground": "#111010",
+      "successForeground": "#151313",
       "successBackground": "#66800B20",
       "successBorder": "#66800B50",
       "info": "#4385BE",
-      "infoForeground": "#111010",
+      "infoForeground": "#151313",
       "infoBackground": "#205EA620",
       "infoBorder": "#205EA650"
     },
@@ -138,9 +138,9 @@
     },
     "chat": {
       "userMessage": "#CECDC3",
-      "userMessageBackground": "#2E1B10",
+      "userMessageBackground": "#27180E",
       "assistantMessage": "#CECDC3",
-      "assistantMessageBackground": "#111010",
+      "assistantMessageBackground": "#151313",
       "timestamp": "#878580",
       "divider": "#343331"
     },