v0.2.0: Theme system, OAuth onboarding, native streaming agent

- Replace all hardcoded hex colors with CSS custom properties for full dark/light theme support
- Add OAuth/subscription sign-in to onboarding (Anthropic PKCE, OpenAI device code flow)
- Rewrite agent.ts with native Anthropic tool_use and OpenAI function calling APIs
- Real streaming (chunk-by-chunk) for both providers, max_tokens=16384, 25 tool steps
- Remove portable exe target, NSIS installer only
- Bump version to 0.2.0

Author: Snowy7

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sncode",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "private": true,
   "author": {
     "name": "Snowy7",
@@ -84,12 +84,6 @@
           "arch": [
             "x64"
           ]
-        },
-        {
-          "target": "portable",
-          "arch": [
-            "x64"
-          ]
         }
       ],
       "artifactName": "${productName}-${version}-win-${arch}.${ext}"

src/main/main.ts

@@ -55,6 +55,10 @@ function createWindow() {
   });
 
   mainWindow.webContents.setWindowOpenHandler(({ url }) => {
+    // Allow DevTools windows to open
+    if (url === "about:blank" || url.startsWith("devtools://")) {
+      return { action: "allow" };
+    }
     void shell.openExternal(url);
     return { action: "deny" };
   });
@@ -65,11 +69,16 @@ function createWindow() {
 
   // DevTools shortcuts: F12, Ctrl+Shift+I, Cmd+Option+I
   mainWindow.webContents.on("before-input-event", (_event, input) => {
-    if (input.key === "F12" && input.type === "keyDown") {
-      mainWindow?.webContents.toggleDevTools();
-    }
-    if (input.key === "I" && input.type === "keyDown" && input.shift && (input.control || input.meta)) {
-      mainWindow?.webContents.toggleDevTools();
+    if (input.type !== "keyDown") return;
+    const wantsDevTools =
+      input.key === "F12" ||
+      (input.key === "I" && input.shift && (input.control || input.meta));
+    if (wantsDevTools) {
+      if (mainWindow?.webContents.isDevToolsOpened()) {
+        mainWindow.webContents.closeDevTools();
+      } else {
+        mainWindow?.webContents.openDevTools({ mode: "detach" });
+      }
     }
   });
 
@@ -250,7 +259,7 @@ function registerIpc() {
   });
 
   ipcMain.handle("app:open-devtools", () => {
-    mainWindow?.webContents.openDevTools();
+    mainWindow?.webContents.openDevTools({ mode: "detach" });
   });
 
   ipcMain.handle("git:branches", async (_event, projectPath: unknown) => {