feat(port): ported pi-mono improvements + worker & patch improvements

- added Azure OpenAI Responses support and OpenRouter routing compat
- improved patch applicator diagnostics and subagent context propagation
- updated editor cursor handling, keybindings, and working message API
- refreshed porting sync metadata

packages/coding-agent/src/modes/controllers/event-controller.ts

@@ -68,6 +68,7 @@ export class EventController {
 					getSymbolTheme().spinnerFrames,
 				);
 				this.ctx.statusContainer.addChild(this.ctx.loadingAnimation);
+				this.ctx.applyPendingWorkingMessage();
 				this.ctx.ui.requestRender();
 				break;
 

packages/coding-agent/src/modes/controllers/extension-ui-controller.ts

@@ -30,6 +30,7 @@ export class ExtensionUiController {
 			input: (title, placeholder, _dialogOptions) => this.showHookInput(title, placeholder),
 			notify: (message, type) => this.showHookNotify(message, type),
 			setStatus: (key, text) => this.setHookStatus(key, text),
+			setWorkingMessage: message => this.ctx.setWorkingMessage(message),
 			setWidget: (key, content) => this.setHookWidget(key, content),
 			setTitle: title => setTerminalTitle(title),
 			custom: (factory, _options) => this.showHookCustom(factory),
@@ -389,6 +390,7 @@ export class ExtensionUiController {
 			input: async (_title: string, _placeholder?: string, _dialogOptions?: unknown) => undefined,
 			notify: () => {},
 			setStatus: () => {},
+			setWorkingMessage: () => {},
 			setWidget: () => {},
 			setTitle: () => {},
 			custom: async () => undefined as never,

packages/coding-agent/src/modes/controllers/input-controller.ts

@@ -541,9 +541,9 @@ export class InputController {
 					data: imageData.data,
 					mimeType: imageData.mimeType,
 				});
-				// Insert styled placeholder at cursor like Claude does
+				// Insert placeholder at cursor like Claude does
 				const imageNum = this.ctx.pendingImages.length;
-				const placeholder = theme.bold(theme.underline(`[Image #${imageNum}]`));
+				const placeholder = `[Image #${imageNum}]`;
 				this.ctx.editor.insertText(`${placeholder} `);
 				this.ctx.ui.requestRender();
 				return true;