stuff

src/App.svelte

@@ -133,10 +133,10 @@
     projectEditor.setContent(value);
   }
 
-  function handleNewEmptyFile() {
+  async function handleNewEmptyFile() {
     const emptyTemplate = templateRegistry.getEmpty();
-    const result = projectEditor.requestSwitch(() =>
-      projectEditor.createNew(emptyTemplate.content),
+    const result = projectEditor.requestSwitch(async () =>
+      await projectEditor.createNew(emptyTemplate.content, emptyTemplate.mode),
     );
 
     if (result === "confirm-unsaved") {
@@ -148,11 +148,11 @@
     uiState.showTemplateDialog();
   }
 
-  function handleTemplateSelect(template: CsoundTemplate) {
+  async function handleTemplateSelect(template: CsoundTemplate) {
     uiState.hideTemplateDialog();
 
-    const result = projectEditor.requestSwitch(() =>
-      projectEditor.createNew(template.content),
+    const result = projectEditor.requestSwitch(async () =>
+      await projectEditor.createNew(template.content, template.mode),
     );
 
     if (result === "confirm-unsaved") {
@@ -181,11 +181,6 @@
   }
 
   async function handleSave() {
-    if (projectEditor.isNewUnsavedBuffer) {
-      uiState.showSaveAsDialog();
-      return;
-    }
-
     await projectEditor.save();
   }
 
@@ -208,14 +203,8 @@
   }
 
   async function handleSwitchSave() {
-    const result = await projectEditor.confirmSaveAndSwitch();
-
-    if (result === "show-save-as") {
+    await projectEditor.confirmSaveAndSwitch();
     uiState.hideUnsavedChangesDialog();
-      uiState.showSaveAsDialog();
-    } else {
-      uiState.hideUnsavedChangesDialog();
-    }
   }
 
   function handleSwitchDiscard() {

src/lib/components/ui/SidePanel.svelte

@@ -28,7 +28,23 @@
   let isResizing = $state(false);
   let startPos = $state(0);
   let startWidth = $state(0);
-  let activeTab = $state(tabs[0]?.id || '');
+  let activeTab = $state('');
+
+  function loadActiveTab(): string | null {
+    try {
+      return localStorage.getItem('sidePanelActiveTab');
+    } catch {
+      return null;
+    }
+  }
+
+  function saveActiveTab(tabId: string) {
+    try {
+      localStorage.setItem('sidePanelActiveTab', tabId);
+    } catch {
+      // Ignore localStorage errors
+    }
+  }
 
   function handleResizeStart(e: MouseEvent) {
     isResizing = true;
@@ -62,7 +78,12 @@
   }
 
   onMount(() => {
-    if (tabs.length > 0 && !activeTab) {
+    const savedTab = loadActiveTab();
+    const savedTabExists = tabs.some(tab => tab.id === savedTab);
+
+    if (savedTabExists) {
+      activeTab = savedTab!;
+    } else if (tabs.length > 0 && !activeTab) {
       activeTab = tabs[0].id;
     }
 
@@ -75,6 +96,12 @@
     };
   });
 
+  $effect(() => {
+    if (activeTab) {
+      saveActiveTab(activeTab);
+    }
+  });
+
   export function toggle() {
     visible = !visible;
   }

src/lib/stores/projectEditor.svelte.ts

@@ -1,11 +1,11 @@
 import type { CsoundProject, ProjectManager } from '../project-system';
 import { saveLastProjectId } from '../project-system/persistence';
+import type { ProjectMode } from '../project-system/types';
 
 interface ProjectEditorState {
   currentProject: CsoundProject | null;
   content: string;
   hasUnsavedChanges: boolean;
-  isNewUnsavedBuffer: boolean;
 }
 
 export class ProjectEditor {
@@ -14,8 +14,7 @@ export class ProjectEditor {
   private state = $state<ProjectEditorState>({
     currentProject: null,
     content: '',
-    hasUnsavedChanges: false,
-    isNewUnsavedBuffer: false
+    hasUnsavedChanges: false
   });
 
   private pendingAction: (() => void) | null = null;
@@ -37,14 +36,31 @@ export class ProjectEditor {
     return this.state.hasUnsavedChanges;
   }
 
-  get isNewUnsavedBuffer() {
-    return this.state.isNewUnsavedBuffer;
-  }
-
   get currentProjectId() {
     return this.state.currentProject?.id ?? null;
   }
 
+  private async generateUnnamedTitle(): Promise<string> {
+    const result = await this.projectManager.getAllProjects();
+    if (!result.success) {
+      return 'Unnamed-1';
+    }
+
+    const projects = result.data;
+    const unnamedPattern = /^Unnamed-(\d+)$/;
+    const unnamedNumbers = projects
+      .map(p => p.title.match(unnamedPattern)?.[1])
+      .filter((n): n is string => n !== undefined)
+      .map(n => parseInt(n, 10));
+
+    if (unnamedNumbers.length === 0) {
+      return 'Unnamed-1';
+    }
+
+    const maxNumber = Math.max(...unnamedNumbers);
+    return `Unnamed-${maxNumber + 1}`;
+  }
+
   setContent(content: string) {
     this.state.content = content;
     this.state.hasUnsavedChanges = true;
@@ -54,23 +70,32 @@ export class ProjectEditor {
     this.state.currentProject = project;
     this.state.content = project.content;
     this.state.hasUnsavedChanges = false;
-    this.state.isNewUnsavedBuffer = false;
     saveLastProjectId(project.id);
   }
 
-  createNew(template: string) {
-    this.state.currentProject = null;
-    this.state.content = template;
+  async createNew(content: string, mode: ProjectMode = 'composition'): Promise<boolean> {
+    const title = await this.generateUnnamedTitle();
+
+    const result = await this.projectManager.createProject({
+      title,
+      author: 'Anonymous',
+      content,
+      tags: [],
+      mode
+    });
+
+    if (result.success) {
+      this.state.currentProject = result.data;
+      this.state.content = result.data.content;
       this.state.hasUnsavedChanges = false;
-    this.state.isNewUnsavedBuffer = true;
-    saveLastProjectId(null);
+      saveLastProjectId(result.data.id);
+      return true;
+    }
+
+    return false;
   }
 
   async save(): Promise<boolean> {
-    if (this.state.isNewUnsavedBuffer) {
-      throw new Error('Cannot save new buffer without title. Use saveAs instead.');
-    }
-
     if (!this.state.currentProject) {
       return false;
     }
@@ -91,24 +116,22 @@ export class ProjectEditor {
     return false;
   }
 
-  async saveAs(title: string, author: string = 'Anonymous'): Promise<boolean> {
+  async saveAs(title: string): Promise<boolean> {
+    if (!this.state.currentProject) {
+      return false;
+    }
+
     const finalTitle = title.trim() || 'Untitled';
 
-    const isLiveCodingTemplate = this.state.content.includes('Live Coding Template');
-
-    const result = await this.projectManager.createProject({
+    const result = await this.projectManager.updateProject({
+      id: this.state.currentProject.id,
       title: finalTitle,
-      author,
-      content: this.state.content,
-      tags: [],
-      mode: isLiveCodingTemplate ? 'livecoding' : 'composition'
+      content: this.state.content
     });
 
-    if (result.success) {
+    if (result.success && result.data) {
       this.state.currentProject = result.data;
       this.state.hasUnsavedChanges = false;
-      this.state.isNewUnsavedBuffer = false;
-      saveLastProjectId(result.data.id);
       return true;
     }
 
@@ -143,15 +166,10 @@ export class ProjectEditor {
     return 'confirm-unsaved';
   }
 
-  async confirmSaveAndSwitch(): Promise<'show-save-as' | 'done'> {
-    if (this.state.isNewUnsavedBuffer) {
-      return 'show-save-as';
-    }
-
+  async confirmSaveAndSwitch(): Promise<void> {
     await this.save();
     this.pendingAction?.();
     this.pendingAction = null;
-    return 'done';
   }
 
   confirmDiscardAndSwitch(): void {

src/lib/templates/template-registry.ts

@@ -71,24 +71,15 @@ const LIVECODING_TEMPLATE: CsoundTemplate = {
   id: 'livecoding',
   name: 'Live Coding',
   mode: 'livecoding',
-  content: `; LIVE CODING MODE
-; Engine auto-initializes on first evaluation (Ctrl+E)
-; Evaluate instruments/opcodes with Ctrl+E to define them
-; Evaluate score events (i-statements) to trigger sounds
-; Press Ctrl+. to stop all audio
-
-gaReverb init 0
+  content: `gaReverb init 0
 
 instr 1
   kFreq chnget "freq"
   kFreq = (kFreq == 0 ? p4 : kFreq)
   kAmp = p5
-
   kEnv linsegr 0, 0.01, 1, 0.1, 0.7, 0.2, 0
   aOsc vco2 kAmp * kEnv, kFreq
-
   aFilt moogladder aOsc, 2000, 0.3
-
   outs aFilt, aFilt
   gaReverb = gaReverb + aFilt * 0.3
 endin
@@ -96,12 +87,9 @@ endin
 instr 2
   iFreq = p4
   iAmp = p5
-
   kEnv linsegr 0, 0.005, 1, 0.05, 0.5, 0.1, 0
   aOsc vco2 iAmp * kEnv, iFreq, 10
-
   aFilt butterlp aOsc, 800
-
   outs aFilt, aFilt
 endin
 
@@ -115,10 +103,6 @@ endin
 i 99 0 -1
 
 
-; === LIVE CODING EXAMPLES ===
-; Select a block and press Ctrl+E to evaluate
-
-; Basic note
 i 1 0 2 440 0.3
 
 ; Arpeggio
@@ -134,9 +118,8 @@ i 2 1.0 0.5 164.81 0.4
 i 2 1.5 0.5 130.81 0.4
 
 ; Long note for channel control
-i 1 0 30 440 0.3
+i 1 0 10 440 0.3
 
-; Change frequency while playing (select and evaluate)
 freq = 440
 
 freq = 554.37